version: bump up to 3.5.7

[3.5] etcdserver: return membership.ErrIDNotFound when the memberID not found

.github/workflows/e2e.yaml

@@ -13,7 +13,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: "^1.16"
+        go-version: "1.17.13"
     - run: date
     - env:
         TARGET: ${{ matrix.target }}

.github/workflows/functional.yaml

@@ -12,7 +12,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: "^1.16"
+        go-version: "1.17.13"
     - run: date
     - env:
         TARGET: ${{ matrix.target }}

.github/workflows/grpcproxy.yaml

@@ -12,7 +12,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: "^1.16"
+        go-version: "1.17.13"
     - run: date
     - env:
         TARGET: ${{ matrix.target }}

.github/workflows/release.yaml

@@ -0,0 +1,24 @@
+name: Release
+on: [push, pull_request]
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-go@v2
+      with:
+        go-version: "1.17.13"
+    - run: |
+        git config --global user.email "github-action@etcd.io"
+        git config --global user.name "Github Action"
+        gpg --batch --gen-key <<EOF
+        %no-protection
+        Key-Type: 1
+        Key-Length: 2048
+        Subkey-Type: 1
+        Subkey-Length: 2048
+        Name-Real: Github Action
+        Name-Email: github-action@etcd.io
+        Expire-Date: 0
+        EOF
+        DRY_RUN=true BRANCH=release-3.5 ./scripts/release --no-upload --no-docker-push 3.5.99

.github/workflows/self-hosted-linux-arm64-graviton2-tests.yml

@@ -1,19 +0,0 @@
-name: Linux ARM64 Graviton2
-on: [push, pull_request]
-
-jobs:
-  test:
-    runs-on: [self-hosted, linux, ARM64, graviton2]
-    steps:
-      - uses: actions/checkout@v2
-      - name: install dependencies
-        run: |
-          sudo amazon-linux-extras install epel
-          sudo yum install -y git gcc ShellCheck
-      - uses: actions/setup-go@v2
-        with:
-          go-version: "^1.16"
-      - run: go version
-      - run: date
-      - name: Run tests
-        run: TEST_OPTS="PASSES='fmt bom dep build unit integration_e2e'" make test

.github/workflows/self-hosted-linux-arm64-graviton2-tests.yml.md

@@ -1,142 +0,0 @@
-
-## Graviton-based self-hosted github action worker
-
-### Step 1. Create an EC2 instance with Graviton
-
-Create an AWS Graviton-based EC2 instance. For example,
-
-```
-# or download from https://github.com/aws/aws-k8s-tester/releases
-cd ${HOME}/go/src/github.com/aws/aws-k8s-tester
-go install -v ./cmd/ec2-utils
-
-# create arm64 AL2 instance
-AWS_K8S_TESTER_EC2_ON_FAILURE_DELETE=true \
-AWS_K8S_TESTER_EC2_LOG_COLOR=true \
-AWS_K8S_TESTER_EC2_REGION=us-west-2 \
-AWS_K8S_TESTER_EC2_S3_BUCKET_CREATE=true \
-AWS_K8S_TESTER_EC2_S3_BUCKET_CREATE_KEEP=true \
-AWS_K8S_TESTER_EC2_REMOTE_ACCESS_KEY_CREATE=true \
-AWS_K8S_TESTER_EC2_ASGS_FETCH_LOGS=false \
-AWS_K8S_TESTER_EC2_ASGS='{"GetRef.Name-arm64-al2-cpu":{"name":"GetRef.Name-arm64-al2-cpu","remote-access-user-name":"ec2-user","ami-type":"AL2_arm_64","image-id-ssm-parameter":"/aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-arm64-gp2","instance-types":["m6g.xlarge"],"volume-size":40,"asg-min-size":1,"asg-max-size":1,"asg-desired-capacity":1}}' \
-AWS_K8S_TESTER_EC2_ROLE_CREATE=true \
-AWS_K8S_TESTER_EC2_VPC_CREATE=true \
-ec2-utils create instances --enable-prompt=true --auto-path
-```
-
-### Step 2. Install github action on the host
-
-SSH into the instance, and install the github action self-hosted runner (see [install scripts](https://github.com/etcd-io/etcd/settings/actions/runners/new?arch=arm64&os=linux)).
-
-### Step 3. Configure github action on the host
-
-SSH into the instance, and configure the github action self-hosted runner.
-
-First, we need disable ICU install (see [actions/runner issue on ARM64](https://github.com/actions/runner/issues/629)):
-
-```
-sudo yum install -y patch
-```
-
-And write this bash script:
-
-```
-#!/bin/bash -e
-
-patch -p1 <<ICU_PATCH
-diff -Naur a/bin/Runner.Listener.runtimeconfig.json b/bin/Runner.Listener.runtimeconfig.json
---- a/bin/Runner.Listener.runtimeconfig.json	2020-07-01 02:21:09.000000000 +0000
-+++ b/bin/Runner.Listener.runtimeconfig.json	2020-07-28 00:02:38.748868613 +0000
-@@ -8,7 +8,8 @@
-       }
-     ],
-     "configProperties": {
--      "System.Runtime.TieredCompilation.QuickJit": true
-+      "System.Runtime.TieredCompilation.QuickJit": true,
-+      "System.Globalization.Invariant": true
-     }
-   }
--}
-\ No newline at end of file
-+}
-diff -Naur a/bin/Runner.PluginHost.runtimeconfig.json b/bin/Runner.PluginHost.runtimeconfig.json
---- a/bin/Runner.PluginHost.runtimeconfig.json	2020-07-01 02:21:22.000000000 +0000
-+++ b/bin/Runner.PluginHost.runtimeconfig.json	2020-07-28 00:02:59.358680003 +0000
-@@ -8,7 +8,8 @@
-       }
-     ],
-     "configProperties": {
--      "System.Runtime.TieredCompilation.QuickJit": true
-+      "System.Runtime.TieredCompilation.QuickJit": true,
-+      "System.Globalization.Invariant": true
-     }
-   }
--}
-\ No newline at end of file
-+}
-diff -Naur a/bin/Runner.Worker.runtimeconfig.json b/bin/Runner.Worker.runtimeconfig.json
---- a/bin/Runner.Worker.runtimeconfig.json	2020-07-01 02:21:16.000000000 +0000
-+++ b/bin/Runner.Worker.runtimeconfig.json	2020-07-28 00:02:19.159028531 +0000
-@@ -8,7 +8,8 @@
-       }
-     ],
-     "configProperties": {
--      "System.Runtime.TieredCompilation.QuickJit": true
-+      "System.Runtime.TieredCompilation.QuickJit": true,
-+      "System.Globalization.Invariant": true
-     }
-   }
--}
-\ No newline at end of file
-+}
-ICU_PATCH
-```
-
-And now patch the github action runner:
-
-```
-cd ${HOME}/actions-runner
-bash patch.sh
-```
-
-```
-patching file bin/Runner.Listener.runtimeconfig.json
-patching file bin/Runner.PluginHost.runtimeconfig.json
-patching file bin/Runner.Worker.runtimeconfig.json
-```
-
-And now configure:
-
-```
-sudo yum install -y wget
-INSTANCE_ID=$(wget -q -O - http://169.254.169.254/latest/meta-data/instance-id)
-echo ${INSTANCE_ID}
-
-# get token from https://github.com/etcd-io/etcd/settings/actions/runners/new?arch=arm64&os=linux
-cd ${HOME}/actions-runner
-./config.sh \
---work "_work" \
---name ${INSTANCE_ID} \
---labels self-hosted,linux,ARM64,graviton2 \
---url https://github.com/etcd-io/etcd \
---token ...
-```
-
-And run:
-
-```
-# run this as a process in the terminal
-cd ${HOME}/actions-runner
-./run.sh
-
-# or run this as a systemd service
-cd ${HOME}/actions-runner
-sudo ./svc.sh install
-sudo ./svc.sh start
-sudo ./svc.sh status
-```
-
-### Step 4. Create github action configuration
-
-See https://github.com/etcd-io/etcd/pull/12928.
-

.github/workflows/tests.yaml

@@ -18,7 +18,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-        go-version: "^1.16"
+        go-version: "1.17.13"
     - run: date
     - env:
         TARGET: ${{ matrix.target }}
@@ -44,6 +44,7 @@ jobs:
             GOARCH=amd64 PASSES='build' ./test.sh
             GOARCH=386 PASSES='build' ./test.sh
             GO_BUILD_FLAGS='-v -mod=readonly' GOOS=darwin GOARCH=amd64 ./build.sh
+            GO_BUILD_FLAGS='-v -mod=readonly' GOOS=darwin GOARCH=arm64 ./build.sh
             GO_BUILD_FLAGS='-v -mod=readonly' GOOS=windows GOARCH=amd64 ./build.sh
             GO_BUILD_FLAGS='-v -mod=readonly' GOARCH=arm ./build.sh
             GO_BUILD_FLAGS='-v -mod=readonly' GOARCH=arm64 ./build.sh

.github/workflows/trivy-nightly-scan.yaml

@@ -0,0 +1,37 @@
+name: Trivy Nightly Scan
+on:
+  schedule:
+    - cron: '0 2 * * *' # run at 2 AM UTC
+
+permissions: read-all 
+jobs:
+  nightly-scan:
+    name: Trivy Scan nightly
+    strategy:
+      fail-fast: false
+      matrix:
+        # maintain the versions of etcd that need to be actively
+        # security scanned
+        versions: [v3.5.6]
+    permissions:
+      security-events: write  # for github/codeql-action/upload-sarif to upload SARIF results
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
+        with:
+          ref: release-3.5
+      - name: Run Trivy vulnerability scanner
+        uses: aquasecurity/trivy-action@9ab158e8597f3b310480b9a69402b419bc03dbd5 # master
+        with:
+          image-ref: 'gcr.io/etcd-development/etcd:${{ matrix.versions }}'
+          severity: 'CRITICAL,HIGH'
+          format: 'template'
+          template: '@/contrib/sarif.tpl'
+          output: 'trivy-results-3-5.sarif'
+
+      - name: Upload Trivy scan results to GitHub Security tab
+        uses: github/codeql-action/upload-sarif@a669cc5936cc5e1b6a362ec1ff9e410dc570d190 # v2.1.36
+        with:
+          sarif_file: 'trivy-results-3-5.sarif'

.travis.yml

@@ -1,51 +0,0 @@
-language: go
-go_import_path: go.etcd.io/etcd/v3
-
-sudo: required
-
-services: docker
-
-go:
-  - "1.16.3"
-  - tip
-
-notifications:
-  on_success: never
-  on_failure: never
-
-env:
-  matrix:
-    - TARGET=linux-amd64-coverage
-    - TARGET=linux-amd64-fmt-unit-go-tip-2-cpu
-
-matrix:
-  fast_finish: true
-  allow_failures:
-    - go: "1.16.3"
-      env: TARGET=linux-amd64-coverage
-    - go: tip
-      env: TARGET=linux-amd64-fmt-unit-go-tip-2-cpu
-  exclude:
-    - go: tip
-      env: TARGET=linux-amd64-coverage
-    - go: "1.16.3"
-      env: TARGET=linux-amd64-fmt-unit-go-tip-2-cpu
-
-before_install:
-  - if [[ $TRAVIS_GO_VERSION == 1.* ]]; then docker pull gcr.io/etcd-development/etcd-test:go${TRAVIS_GO_VERSION}; fi
-
-install:
-  - date
-
-script:
-  - date
-  - echo "TRAVIS_GO_VERSION=${TRAVIS_GO_VERSION}"
-  - >
-    case "${TARGET}" in
-      linux-amd64-coverage)
-        sudo HOST_TMP_DIR=/tmp TEST_OPTS="VERBOSE='1'" make docker-test-coverage
-        ;;
-      linux-amd64-fmt-unit-go-tip-2-cpu)
-        GOARCH=amd64 PASSES='fmt unit' CPU='2' RACE='false' ./test.sh -p=2
-        ;;
-    esac

Dockerfile-release.amd64

@@ -1,16 +1,16 @@
-FROM k8s.gcr.io/build-image/debian-base:buster-v1.4.0
+FROM --platform=linux/amd64 gcr.io/distroless/static-debian11
 
 ADD etcd /usr/local/bin/
 ADD etcdctl /usr/local/bin/
 ADD etcdutl /usr/local/bin/
-RUN mkdir -p /var/etcd/
-RUN mkdir -p /var/lib/etcd/
+
+WORKDIR /var/etcd/
+WORKDIR /var/lib/etcd/
 
 # Alpine Linux doesn't use pam, which means that there is no /etc/nsswitch.conf,
 # but Golang relies on /etc/nsswitch.conf to check the order of DNS resolving
 # (see https://github.com/golang/go/commit/9dee7771f561cf6aee081c0af6658cc81fac3918)
-# To fix this we just create /etc/nsswitch.conf and add the following line:
-RUN echo 'hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4' >> /etc/nsswitch.conf
+ADD nsswitch.conf /etc/nsswitch.conf
 
 EXPOSE 2379 2380
 

Dockerfile-release.arm64

@@ -1,11 +1,11 @@
-FROM k8s.gcr.io/build-image/debian-base-arm64:buster-v1.4.0
+FROM --platform=linux/arm64 gcr.io/distroless/static-debian11
 
 ADD etcd /usr/local/bin/
 ADD etcdctl /usr/local/bin/
 ADD etcdutl /usr/local/bin/
-ADD var/etcd /var/etcd
-ADD var/lib/etcd /var/lib/etcd
-ENV ETCD_UNSUPPORTED_ARCH=arm64
+
+WORKDIR /var/etcd/
+WORKDIR /var/lib/etcd/
 
 EXPOSE 2379 2380
 

Dockerfile-release.ppc64le

@@ -1,10 +1,11 @@
-FROM k8s.gcr.io/build-image/debian-base-ppc64le:buster-v1.4.0
+FROM --platform=linux/ppc64le gcr.io/distroless/static-debian11
 
 ADD etcd /usr/local/bin/
 ADD etcdctl /usr/local/bin/
 ADD etcdutl /usr/local/bin/
-ADD var/etcd /var/etcd
-ADD var/lib/etcd /var/lib/etcd
+
+WORKDIR /var/etcd/
+WORKDIR /var/lib/etcd/
 
 EXPOSE 2379 2380
 

Dockerfile-release.s390x

@@ -1,10 +1,11 @@
-FROM k8s.gcr.io/build-image/debian-base-s390x:buster-v1.4.0
+FROM --platform=linux/s390x gcr.io/distroless/static-debian11
 
 ADD etcd /usr/local/bin/
 ADD etcdctl /usr/local/bin/
 ADD etcdutl /usr/local/bin/
-ADD var/etcd /var/etcd
-ADD var/lib/etcd /var/lib/etcd
+
+WORKDIR /var/etcd/
+WORKDIR /var/lib/etcd/
 
 EXPOSE 2379 2380
 

Makefile

@@ -55,7 +55,7 @@ docker-remove:
 
 
 
-GO_VERSION ?= 1.16.3
+GO_VERSION ?= 1.17.13
 ETCD_VERSION ?= $(shell git rev-parse --short HEAD || echo "GitNotFound")
 
 TEST_SUFFIX = $(shell date +%s | base64 | head -c 15)
@@ -161,7 +161,10 @@ test-full:
 	$(info log-file: test-$(TEST_SUFFIX).log)
 	PASSES="fmt build release unit integration functional e2e grpcproxy" ./test.sh 2<&1 | tee test-$(TEST_SUFFIX).log
 
-docker-test:
+ensure-docker-test-image-exists:
+	make pull-docker-test || ( echo "WARNING: Container Image not found in registry, building locally"; make build-docker-test )
+
+docker-test: ensure-docker-test-image-exists
 	$(info GO_VERSION: $(GO_VERSION))
 	$(info ETCD_VERSION: $(ETCD_VERSION))
 	$(info TEST_OPTS: $(TEST_OPTS))

api/go.mod

@@ -1,14 +1,22 @@
 module go.etcd.io/etcd/api/v3
 
-go 1.16
+go 1.17
 
 require (
 	github.com/coreos/go-semver v0.3.0
 	github.com/gogo/protobuf v1.3.2
 	github.com/golang/protobuf v1.5.2
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
-	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013
-	google.golang.org/grpc v1.37.0
+	google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c
+	google.golang.org/grpc v1.41.0
+)
+
+require (
+	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 // indirect
+	golang.org/x/sys v0.0.0-20210510120138-977fb7262007 // indirect
+	golang.org/x/text v0.3.5 // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
 
 // Bad imports are sometimes causing attempts to pull that code.

api/go.sum

@@ -3,16 +3,20 @@ cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
@@ -29,6 +33,7 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
@@ -49,8 +54,11 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -58,8 +66,11 @@ golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -69,8 +80,9 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
-golang.org/x/net v0.0.0-20201021035429-f5854403a974 h1:IX6qOQeG5uLjB/hjjwjedwfjND0hgjPMMyO1RoIXQNI=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 h1:4nGaVu0QrbjT/AK2PRLuQfQuh6DJve+pELhqTdAj3x0=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -79,23 +91,31 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007 h1:gG67DSER+11cZvqIMb8S8bt0vZtiN6xWYARwirrOSfE=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.5 h1:i6eZZ+zk0SOf0xgBpEpPD18qWcJda6q1sxt3S0kzyUQ=
+golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -106,15 +126,18 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c h1:wtujag7C+4D6KMoulW9YauvK2lgdvCMS260jsqqBXr0=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
-google.golang.org/grpc v1.37.0 h1:uSZWeQJX5j11bIQ4AJoj+McDBo29cY1MCoC1wO3ts+c=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.41.0 h1:f+PlOh7QV4iIJkPrx5NQ7qaNGFQ3OTse67yaDHfju4E=
+google.golang.org/grpc v1.41.0/go.mod h1:U3l9uK9J0sini8mHphKoXyaqDA/8VyGnDee1zzIUK6k=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -129,7 +152,9 @@ google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/l
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3 h1:fvjTMHxHEw/mxHbtzPi3JCcKXQRAnQTBRo6YCJSVHKI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

api/v3rpc/rpctypes/error.go

@@ -58,12 +58,14 @@ var (
 	ErrGRPCRoleNotFound         = status.New(codes.FailedPrecondition, "etcdserver: role name not found").Err()
 	ErrGRPCRoleEmpty            = status.New(codes.InvalidArgument, "etcdserver: role name is empty").Err()
 	ErrGRPCAuthFailed           = status.New(codes.InvalidArgument, "etcdserver: authentication failed, invalid user ID or password").Err()
+	ErrGRPCPermissionNotGiven   = status.New(codes.InvalidArgument, "etcdserver: permission not given").Err()
 	ErrGRPCPermissionDenied     = status.New(codes.PermissionDenied, "etcdserver: permission denied").Err()
 	ErrGRPCRoleNotGranted       = status.New(codes.FailedPrecondition, "etcdserver: role is not granted to the user").Err()
 	ErrGRPCPermissionNotGranted = status.New(codes.FailedPrecondition, "etcdserver: permission is not granted to the role").Err()
 	ErrGRPCAuthNotEnabled       = status.New(codes.FailedPrecondition, "etcdserver: authentication is not enabled").Err()
 	ErrGRPCInvalidAuthToken     = status.New(codes.Unauthenticated, "etcdserver: invalid auth token").Err()
 	ErrGRPCInvalidAuthMgmt      = status.New(codes.InvalidArgument, "etcdserver: invalid auth management").Err()
+	ErrGRPCAuthOldRevision      = status.New(codes.InvalidArgument, "etcdserver: revision of auth store is old").Err()
 
 	ErrGRPCNoLeader                   = status.New(codes.Unavailable, "etcdserver: no leader").Err()
 	ErrGRPCNotLeader                  = status.New(codes.FailedPrecondition, "etcdserver: not leader").Err()
@@ -73,6 +75,7 @@ var (
 	ErrGRPCTimeout                    = status.New(codes.Unavailable, "etcdserver: request timed out").Err()
 	ErrGRPCTimeoutDueToLeaderFail     = status.New(codes.Unavailable, "etcdserver: request timed out, possibly due to previous leader failure").Err()
 	ErrGRPCTimeoutDueToConnectionLost = status.New(codes.Unavailable, "etcdserver: request timed out, possibly due to connection lost").Err()
+	ErrGRPCTimeoutWaitAppliedIndex    = status.New(codes.Unavailable, "etcdserver: request timed out, waiting for the applied index took too long").Err()
 	ErrGRPCUnhealthy                  = status.New(codes.Unavailable, "etcdserver: unhealthy cluster").Err()
 	ErrGRPCCorrupt                    = status.New(codes.DataLoss, "etcdserver: corrupt cluster").Err()
 	ErrGPRCNotSupportedForLearner     = status.New(codes.Unavailable, "etcdserver: rpc not supported for learner").Err()
@@ -130,6 +133,7 @@ var (
 		ErrorDesc(ErrGRPCAuthNotEnabled):       ErrGRPCAuthNotEnabled,
 		ErrorDesc(ErrGRPCInvalidAuthToken):     ErrGRPCInvalidAuthToken,
 		ErrorDesc(ErrGRPCInvalidAuthMgmt):      ErrGRPCInvalidAuthMgmt,
+		ErrorDesc(ErrGRPCAuthOldRevision):      ErrGRPCAuthOldRevision,
 
 		ErrorDesc(ErrGRPCNoLeader):                   ErrGRPCNoLeader,
 		ErrorDesc(ErrGRPCNotLeader):                  ErrGRPCNotLeader,
@@ -194,6 +198,7 @@ var (
 	ErrPermissionNotGranted = Error(ErrGRPCPermissionNotGranted)
 	ErrAuthNotEnabled       = Error(ErrGRPCAuthNotEnabled)
 	ErrInvalidAuthToken     = Error(ErrGRPCInvalidAuthToken)
+	ErrAuthOldRevision      = Error(ErrGRPCAuthOldRevision)
 	ErrInvalidAuthMgmt      = Error(ErrGRPCInvalidAuthMgmt)
 
 	ErrNoLeader                   = Error(ErrGRPCNoLeader)
@@ -204,6 +209,7 @@ var (
 	ErrTimeout                    = Error(ErrGRPCTimeout)
 	ErrTimeoutDueToLeaderFail     = Error(ErrGRPCTimeoutDueToLeaderFail)
 	ErrTimeoutDueToConnectionLost = Error(ErrGRPCTimeoutDueToConnectionLost)
+	ErrTimeoutWaitAppliedIndex    = Error(ErrGRPCTimeoutWaitAppliedIndex)
 	ErrUnhealthy                  = Error(ErrGRPCUnhealthy)
 	ErrCorrupt                    = Error(ErrGRPCCorrupt)
 	ErrBadLeaderTransferee        = Error(ErrGRPCBadLeaderTransferee)

api/version/version.go

@@ -26,7 +26,7 @@ import (
 var (
 	// MinClusterVersion is the min cluster version this etcd binary is compatible with.
 	MinClusterVersion = "3.0.0"
-	Version           = "3.5.0-beta.3"
+	Version           = "3.5.7"
 	APIVersion        = "unknown"
 
 	// Git SHA Value will be set during build

bill-of-materials.json

@@ -18,10 +18,10 @@
 		]
 	},
 	{
-		"project": "github.com/certifi/gocertifi",
+		"project": "github.com/cenkalti/backoff/v4",
 		"licenses": [
 			{
-				"type": "Mozilla Public License 2.0",
+				"type": "MIT License",
 				"confidence": 1
 			}
 		]
@@ -62,6 +62,15 @@
 			}
 		]
 	},
+	{
+		"project": "github.com/cockroachdb/redact",
+		"licenses": [
+			{
+				"type": "Apache License 2.0",
+				"confidence": 1
+			}
+		]
+	},
 	{
 		"project": "github.com/coreos/go-semver/semver",
 		"licenses": [
@@ -126,20 +135,11 @@
 		]
 	},
 	{
-		"project": "github.com/form3tech-oss/jwt-go",
+		"project": "github.com/getsentry/sentry-go",
 		"licenses": [
 			{
-				"type": "MIT License",
-				"confidence": 0.9891304347826086
-			}
-		]
-	},
-	{
-		"project": "github.com/getsentry/raven-go",
-		"licenses": [
-			{
-				"type": "BSD 3-clause \"New\" or \"Revised\" License",
-				"confidence": 0.9663865546218487
+				"type": "BSD 2-clause \"Simplified\" License",
+				"confidence": 1
 			}
 		]
 	},
@@ -152,6 +152,15 @@
 			}
 		]
 	},
+	{
+		"project": "github.com/golang-jwt/jwt/v4",
+		"licenses": [
+			{
+				"type": "MIT License",
+				"confidence": 0.9891304347826086
+			}
+		]
+	},
 	{
 		"project": "github.com/golang/groupcache/lru",
 		"licenses": [
@@ -242,6 +251,24 @@
 			}
 		]
 	},
+	{
+		"project": "github.com/kr/pretty",
+		"licenses": [
+			{
+				"type": "MIT License",
+				"confidence": 0.9891304347826086
+			}
+		]
+	},
+	{
+		"project": "github.com/kr/text",
+		"licenses": [
+			{
+				"type": "MIT License",
+				"confidence": 0.9891304347826086
+			}
+		]
+	},
 	{
 		"project": "github.com/mattn/go-runewidth",
 		"licenses": [
@@ -341,6 +368,15 @@
 			}
 		]
 	},
+	{
+		"project": "github.com/rogpeppe/go-internal/fmtsort",
+		"licenses": [
+			{
+				"type": "BSD 3-clause \"New\" or \"Revised\" License",
+				"confidence": 0.9663865546218487
+			}
+		]
+	},
 	{
 		"project": "github.com/russross/blackfriday/v2",
 		"licenses": [
@@ -539,15 +575,6 @@
 			}
 		]
 	},
-	{
-		"project": "go.opentelemetry.io/contrib",
-		"licenses": [
-			{
-				"type": "Apache License 2.0",
-				"confidence": 1
-			}
-		]
-	},
 	{
 		"project": "go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc",
 		"licenses": [
@@ -567,7 +594,7 @@
 		]
 	},
 	{
-		"project": "go.opentelemetry.io/otel/exporters/otlp",
+		"project": "go.opentelemetry.io/otel/exporters/otlp/otlptrace",
 		"licenses": [
 			{
 				"type": "Apache License 2.0",
@@ -576,7 +603,7 @@
 		]
 	},
 	{
-		"project": "go.opentelemetry.io/otel/metric",
+		"project": "go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc",
 		"licenses": [
 			{
 				"type": "Apache License 2.0",
@@ -593,24 +620,6 @@
 			}
 		]
 	},
-	{
-		"project": "go.opentelemetry.io/otel/sdk/export/metric",
-		"licenses": [
-			{
-				"type": "Apache License 2.0",
-				"confidence": 1
-			}
-		]
-	},
-	{
-		"project": "go.opentelemetry.io/otel/sdk/metric",
-		"licenses": [
-			{
-				"type": "Apache License 2.0",
-				"confidence": 1
-			}
-		]
-	},
 	{
 		"project": "go.opentelemetry.io/otel/trace",
 		"licenses": [

build.sh

@@ -42,6 +42,7 @@ etcd_build() {
     # Static compilation is useful when etcd is run in a container. $GO_BUILD_FLAGS is OK
     # shellcheck disable=SC2086
     run env "${GO_BUILD_ENV[@]}" go build $GO_BUILD_FLAGS \
+      -trimpath \
       -installsuffix=cgo \
       "-ldflags=${GO_LDFLAGS[*]}" \
       -o="../${out}/etcd" . || return 2
@@ -52,6 +53,7 @@ etcd_build() {
   (
     cd ./etcdutl
     run env GO_BUILD_FLAGS="${GO_BUILD_FLAGS}" "${GO_BUILD_ENV[@]}" go build $GO_BUILD_FLAGS \
+      -trimpath \
       -installsuffix=cgo \
       "-ldflags=${GO_LDFLAGS[*]}" \
       -o="../${out}/etcdutl" . || return 2
@@ -62,6 +64,7 @@ etcd_build() {
   (
     cd ./etcdctl
     run env GO_BUILD_FLAGS="${GO_BUILD_FLAGS}" "${GO_BUILD_ENV[@]}" go build $GO_BUILD_FLAGS \
+      -trimpath \
       -installsuffix=cgo \
       "-ldflags=${GO_LDFLAGS[*]}" \
       -o="../${out}/etcdctl" . || return 2
@@ -92,8 +95,9 @@ tools_build() {
     run rm -f "${out}/${tool}"
     # shellcheck disable=SC2086
     run env GO_BUILD_FLAGS="${GO_BUILD_FLAGS}" CGO_ENABLED=0 go build ${GO_BUILD_FLAGS} \
+      -trimpath \
       -installsuffix=cgo \
-      "-ldflags='${GO_LDFLAGS[*]}'" \
+      "-ldflags=${GO_LDFLAGS[*]}" \
       -o="${out}/${tool}" "./${tool}" || return 2
   done
   tests_build "${@}"
@@ -116,7 +120,7 @@ tests_build() {
       # shellcheck disable=SC2086
       run env CGO_ENABLED=0 GO_BUILD_FLAGS="${GO_BUILD_FLAGS}" go build ${GO_BUILD_FLAGS} \
         -installsuffix=cgo \
-        "-ldflags='${GO_LDFLAGS[*]}'" \
+        "-ldflags=${GO_LDFLAGS[*]}" \
         -o="../${out}/${tool}" "./${tool}" || return 2
     done
   ) || return 2

client/pkg/fileutil/filereader.go

@@ -0,0 +1,60 @@
+// Copyright 2022 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package fileutil
+
+import (
+	"bufio"
+	"io"
+	"io/fs"
+	"os"
+)
+
+// FileReader is a wrapper of io.Reader. It also provides file info.
+type FileReader interface {
+	io.Reader
+	FileInfo() (fs.FileInfo, error)
+}
+
+type fileReader struct {
+	*os.File
+}
+
+func NewFileReader(f *os.File) FileReader {
+	return &fileReader{f}
+}
+
+func (fr *fileReader) FileInfo() (fs.FileInfo, error) {
+	return fr.Stat()
+}
+
+// FileBufReader is a wrapper of bufio.Reader. It also provides file info.
+type FileBufReader struct {
+	*bufio.Reader
+	fi fs.FileInfo
+}
+
+func NewFileBufReader(fr FileReader) *FileBufReader {
+	bufReader := bufio.NewReader(fr)
+	fi, err := fr.FileInfo()
+	if err != nil {
+		// This should never happen.
+		panic(err)
+	}
+	return &FileBufReader{bufReader, fi}
+}
+
+func (fbr *FileBufReader) FileInfo() fs.FileInfo {
+	return fbr.fi
+}

client/pkg/fileutil/filereader_test.go

@@ -0,0 +1,44 @@
+// Copyright 2022 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package fileutil
+
+import (
+	"os"
+	"strings"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestFileBufReader(t *testing.T) {
+	f, err := os.CreateTemp(t.TempDir(), "wal")
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+	fi, err := f.Stat()
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+
+	fbr := NewFileBufReader(NewFileReader(f))
+
+	if !strings.HasPrefix(fbr.FileInfo().Name(), "wal") {
+		t.Errorf("Unexpected file name: %s", fbr.FileInfo().Name())
+	}
+	assert.Equal(t, fi.Size(), fbr.FileInfo().Size())
+	assert.Equal(t, fi.IsDir(), fbr.FileInfo().IsDir())
+	assert.Equal(t, fi.Mode(), fbr.FileInfo().Mode())
+	assert.Equal(t, fi.ModTime(), fbr.FileInfo().ModTime())
+}

client/pkg/fileutil/fileutil.go

@@ -44,16 +44,12 @@ func IsDirWriteable(dir string) error {
 
 // TouchDirAll is similar to os.MkdirAll. It creates directories with 0700 permission if any directory
 // does not exists. TouchDirAll also ensures the given directory is writable.
-func TouchDirAll(dir string) error {
+func TouchDirAll(lg *zap.Logger, dir string) error {
 	// If path is already a directory, MkdirAll does nothing and returns nil, so,
 	// first check if dir exist with an expected permission mode.
 	if Exist(dir) {
 		err := CheckDirPermission(dir, PrivateDirMode)
 		if err != nil {
-			lg, _ := zap.NewProduction()
-			if lg == nil {
-				lg = zap.NewExample()
-			}
 			lg.Warn("check file permission", zap.Error(err))
 		}
 	} else {
@@ -70,8 +66,8 @@ func TouchDirAll(dir string) error {
 
 // CreateDirAll is similar to TouchDirAll but returns error
 // if the deepest directory was not empty.
-func CreateDirAll(dir string) error {
-	err := TouchDirAll(dir)
+func CreateDirAll(lg *zap.Logger, dir string) error {
+	err := TouchDirAll(lg, dir)
 	if err == nil {
 		var ns []string
 		ns, err = ReadDir(dir)

client/pkg/fileutil/fileutil_test.go

@@ -67,7 +67,7 @@ func TestCreateDirAll(t *testing.T) {
 	defer os.RemoveAll(tmpdir)
 
 	tmpdir2 := filepath.Join(tmpdir, "testdir")
-	if err = CreateDirAll(tmpdir2); err != nil {
+	if err = CreateDirAll(zaptest.NewLogger(t), tmpdir2); err != nil {
 		t.Fatal(err)
 	}
 
@@ -75,7 +75,7 @@ func TestCreateDirAll(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	if err = CreateDirAll(tmpdir2); err == nil || !strings.Contains(err.Error(), "to be empty, got") {
+	if err = CreateDirAll(zaptest.NewLogger(t), tmpdir2); err == nil || !strings.Contains(err.Error(), "to be empty, got") {
 		t.Fatalf("unexpected error %v", err)
 	}
 }
@@ -186,7 +186,7 @@ func TestDirPermission(t *testing.T) {
 
 	tmpdir2 := filepath.Join(tmpdir, "testpermission")
 	// create a new dir with 0700
-	if err = CreateDirAll(tmpdir2); err != nil {
+	if err = CreateDirAll(zaptest.NewLogger(t), tmpdir2); err != nil {
 		t.Fatal(err)
 	}
 	// check dir permission with mode different than created dir

client/pkg/fileutil/purge.go

@@ -41,6 +41,12 @@ func purgeFile(lg *zap.Logger, dirname string, suffix string, max uint, interval
 		lg = zap.NewNop()
 	}
 	errC := make(chan error, 1)
+	lg.Info("started to purge file",
+		zap.String("dir", dirname),
+		zap.String("suffix", suffix),
+		zap.Uint("max", max),
+		zap.Duration("interval", interval))
+
 	go func() {
 		if donec != nil {
 			defer close(donec)
@@ -63,14 +69,16 @@ func purgeFile(lg *zap.Logger, dirname string, suffix string, max uint, interval
 				f := filepath.Join(dirname, newfnames[0])
 				l, err := TryLockFile(f, os.O_WRONLY, PrivateFileMode)
 				if err != nil {
+					lg.Warn("failed to lock file", zap.String("path", f), zap.Error(err))
 					break
 				}
 				if err = os.Remove(f); err != nil {
+					lg.Error("failed to remove file", zap.String("path", f), zap.Error(err))
 					errC <- err
 					return
 				}
 				if err = l.Close(); err != nil {
-					lg.Warn("failed to unlock/close", zap.String("path", l.Name()), zap.Error(err))
+					lg.Error("failed to unlock/close", zap.String("path", l.Name()), zap.Error(err))
 					errC <- err
 					return
 				}

client/pkg/go.mod

@@ -1,10 +1,18 @@
 module go.etcd.io/etcd/client/pkg/v3
 
-go 1.16
+go 1.17
 
 require (
-	github.com/coreos/go-systemd/v22 v22.3.1
-	go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19
+	github.com/coreos/go-systemd/v22 v22.3.2
+	github.com/stretchr/testify v1.7.0
+	go.uber.org/zap v1.17.0
 	golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57
-	google.golang.org/grpc v1.37.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )

client/pkg/go.sum

@@ -1,96 +1,29 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/coreos/go-systemd/v22 v22.3.1 h1:7OO2CXWMYNDdaAzP51t4lCCZWwpQHmvPbm9sxWjm3So=
-github.com/coreos/go-systemd/v22 v22.3.1/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.3.2 h1:D9/bQk5vlXQFZ6Kwuu6zaiXJ9oTPe68++AzAJc1DzSI=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
-github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
-github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
-github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
-github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
-github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
-github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
-github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
-github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
-github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
-go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19 h1:040c3dLNhgFQkoojH2AMpHCy4SrvhmxdU72d9GLGGE0=
-go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19/go.mod h1:aMfIlz3TDBfB0BwTCKFU1XbEmj9zevr5S5LcBr85MXw=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
-golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
-golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
-golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
-golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+go.uber.org/zap v1.17.0 h1:MTjgFu6ZLKvY6Pvaqk97GlxNBuMpV4Hy/3P6tRGlI2U=
+go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57 h1:F5Gozwx4I1xtr/sr/8CFbb57iKi3297KFs0QDbGN60A=
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
-golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.37.0 h1:uSZWeQJX5j11bIQ4AJoj+McDBo29cY1MCoC1wO3ts+c=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
-google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
-google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
-google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
-google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

client/pkg/logutil/zap.go

@@ -21,6 +21,17 @@ import (
 	"go.uber.org/zap/zapcore"
 )
 
+// CreateDefaultZapLogger creates a logger with default zap configuration
+func CreateDefaultZapLogger(level zapcore.Level) (*zap.Logger, error) {
+	lcfg := DefaultZapLoggerConfig
+	lcfg.Level = zap.NewAtomicLevelAt(level)
+	c, err := lcfg.Build()
+	if err != nil {
+		return nil, err
+	}
+	return c, nil
+}
+
 // DefaultZapLoggerConfig defines default zap logger configuration.
 var DefaultZapLoggerConfig = zap.Config{
 	Level: zap.NewAtomicLevelAt(ConvertToZapLevel(DefaultLogLevel)),

client/pkg/logutil/zap_grpc.go

@@ -1,111 +0,0 @@
-// Copyright 2018 The etcd Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package logutil
-
-import (
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-	"google.golang.org/grpc/grpclog"
-)
-
-// NewGRPCLoggerV2 converts "*zap.Logger" to "grpclog.LoggerV2".
-// It discards all INFO level logging in gRPC, if debug level
-// is not enabled in "*zap.Logger".
-func NewGRPCLoggerV2(lcfg zap.Config) (grpclog.LoggerV2, error) {
-	lg, err := lcfg.Build(zap.AddCallerSkip(1)) // to annotate caller outside of "logutil"
-	if err != nil {
-		return nil, err
-	}
-	return &zapGRPCLogger{lg: lg, sugar: lg.Sugar()}, nil
-}
-
-// NewGRPCLoggerV2FromZapCore creates "grpclog.LoggerV2" from "zap.Core"
-// and "zapcore.WriteSyncer". It discards all INFO level logging in gRPC,
-// if debug level is not enabled in "*zap.Logger".
-func NewGRPCLoggerV2FromZapCore(cr zapcore.Core, syncer zapcore.WriteSyncer) grpclog.LoggerV2 {
-	// "AddCallerSkip" to annotate caller outside of "logutil"
-	lg := zap.New(cr, zap.AddCaller(), zap.AddCallerSkip(1), zap.ErrorOutput(syncer)).Named("grpc")
-	return &zapGRPCLogger{lg: lg, sugar: lg.Sugar()}
-}
-
-type zapGRPCLogger struct {
-	lg    *zap.Logger
-	sugar *zap.SugaredLogger
-}
-
-func (zl *zapGRPCLogger) Info(args ...interface{}) {
-	if !zl.lg.Core().Enabled(zapcore.DebugLevel) {
-		return
-	}
-	zl.sugar.Info(args...)
-}
-
-func (zl *zapGRPCLogger) Infoln(args ...interface{}) {
-	if !zl.lg.Core().Enabled(zapcore.DebugLevel) {
-		return
-	}
-	zl.sugar.Info(args...)
-}
-
-func (zl *zapGRPCLogger) Infof(format string, args ...interface{}) {
-	if !zl.lg.Core().Enabled(zapcore.DebugLevel) {
-		return
-	}
-	zl.sugar.Infof(format, args...)
-}
-
-func (zl *zapGRPCLogger) Warning(args ...interface{}) {
-	zl.sugar.Warn(args...)
-}
-
-func (zl *zapGRPCLogger) Warningln(args ...interface{}) {
-	zl.sugar.Warn(args...)
-}
-
-func (zl *zapGRPCLogger) Warningf(format string, args ...interface{}) {
-	zl.sugar.Warnf(format, args...)
-}
-
-func (zl *zapGRPCLogger) Error(args ...interface{}) {
-	zl.sugar.Error(args...)
-}
-
-func (zl *zapGRPCLogger) Errorln(args ...interface{}) {
-	zl.sugar.Error(args...)
-}
-
-func (zl *zapGRPCLogger) Errorf(format string, args ...interface{}) {
-	zl.sugar.Errorf(format, args...)
-}
-
-func (zl *zapGRPCLogger) Fatal(args ...interface{}) {
-	zl.sugar.Fatal(args...)
-}
-
-func (zl *zapGRPCLogger) Fatalln(args ...interface{}) {
-	zl.sugar.Fatal(args...)
-}
-
-func (zl *zapGRPCLogger) Fatalf(format string, args ...interface{}) {
-	zl.sugar.Fatalf(format, args...)
-}
-
-func (zl *zapGRPCLogger) V(l int) bool {
-	// infoLog == 0
-	if l <= 0 { // debug level, then we ignore info level in gRPC
-		return !zl.lg.Core().Enabled(zapcore.DebugLevel)
-	}
-	return true
-}

client/pkg/logutil/zap_grpc_test.go

@@ -1,91 +0,0 @@
-// Copyright 2018 The etcd Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package logutil
-
-import (
-	"bytes"
-	"fmt"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"strings"
-	"testing"
-	"time"
-
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-)
-
-func TestNewGRPCLoggerV2(t *testing.T) {
-	logPath := filepath.Join(os.TempDir(), fmt.Sprintf("test-log-%d", time.Now().UnixNano()))
-	defer os.RemoveAll(logPath)
-
-	lcfg := zap.Config{
-		Level:       zap.NewAtomicLevelAt(zap.InfoLevel),
-		Development: false,
-		Sampling: &zap.SamplingConfig{
-			Initial:    100,
-			Thereafter: 100,
-		},
-		Encoding:         "json",
-		EncoderConfig:    DefaultZapLoggerConfig.EncoderConfig,
-		OutputPaths:      []string{logPath},
-		ErrorOutputPaths: []string{logPath},
-	}
-	gl, err := NewGRPCLoggerV2(lcfg)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	// debug level is not enabled,
-	// so info level gRPC-side logging is discarded
-	gl.Info("etcd-logutil-1")
-	data, err := ioutil.ReadFile(logPath)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if bytes.Contains(data, []byte("etcd-logutil-1")) {
-		t.Fatalf("unexpected line %q", string(data))
-	}
-
-	gl.Warning("etcd-logutil-2")
-	data, err = ioutil.ReadFile(logPath)
-	if err != nil {
-		t.Fatal(err)
-	}
-	if !bytes.Contains(data, []byte("etcd-logutil-2")) {
-		t.Fatalf("can't find data in log %q", string(data))
-	}
-	if !bytes.Contains(data, []byte("logutil/zap_grpc_test.go:")) {
-		t.Fatalf("unexpected caller; %q", string(data))
-	}
-}
-
-func TestNewGRPCLoggerV2FromZapCore(t *testing.T) {
-	buf := bytes.NewBuffer(nil)
-	syncer := zapcore.AddSync(buf)
-	cr := zapcore.NewCore(
-		zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig()),
-		syncer,
-		zap.NewAtomicLevelAt(zap.InfoLevel),
-	)
-
-	lg := NewGRPCLoggerV2FromZapCore(cr, syncer)
-	lg.Warning("TestNewGRPCLoggerV2FromZapCore")
-	txt := buf.String()
-	if !strings.Contains(txt, "TestNewGRPCLoggerV2FromZapCore") {
-		t.Fatalf("unexpected log %q", txt)
-	}
-}

client/pkg/srv/srv_test.go

@@ -228,10 +228,10 @@ func TestSRVDiscover(t *testing.T) {
 			[]*net.SRV{
 				{Target: "a.example.com", Port: 2480},
 				{Target: "b.example.com", Port: 2480},
-				{Target: "c.example.com", Port: 2480},
+				{Target: "c.example.com.", Port: 2480},
 			},
 			[]*net.SRV{},
-			[]string{"https://a.example.com:2480", "https://b.example.com:2480", "https://c.example.com:2480"},
+			[]string{"https://a.example.com:2480", "https://b.example.com:2480", "https://c.example.com.:2480"},
 			false,
 		},
 	}

client/pkg/testutil/leak.go

@@ -16,6 +16,8 @@ import (
 	"time"
 )
 
+// TODO: Replace with https://github.com/uber-go/goleak.
+
 /*
 CheckLeakedGoroutine verifies tests do not leave any leaky
 goroutines. It returns true when there are goroutines still
@@ -28,10 +30,9 @@ running(leaking) after all tests.
 	}
 
 	func TestSample(t *testing.T) {
-		BeforeTest(t)
+		RegisterLeakDetection(t)
 		...
 	}
-
 */
 func CheckLeakedGoroutine() bool {
 	gs := interestingGoroutines()
@@ -94,22 +95,22 @@ func CheckAfterTest(d time.Duration) error {
 	return fmt.Errorf("appears to have leaked %s:\n%s", bad, stacks)
 }
 
-// BeforeTest is a convenient way to register before-and-after code to a test.
-// If you execute BeforeTest, you don't need to explicitly register AfterTest.
-func BeforeTest(t TB) {
+// RegisterLeakDetection is a convenient way to register before-and-after code to a test.
+// If you execute RegisterLeakDetection, you don't need to explicitly register AfterTest.
+func RegisterLeakDetection(t TB) {
 	if err := CheckAfterTest(10 * time.Millisecond); err != nil {
 		t.Skip("Found leaked goroutined BEFORE test", err)
 		return
 	}
 	t.Cleanup(func() {
-		AfterTest(t)
+		afterTest(t)
 	})
 }
 
-// AfterTest is meant to run in a defer that executes after a test completes.
+// afterTest is meant to run in a defer that executes after a test completes.
 // It will detect common goroutine leaks, retrying in case there are goroutines
 // not synchronously torn down, and fail the test if any goroutines are stuck.
-func AfterTest(t TB) {
+func afterTest(t TB) {
 	// If test-failed the leaked goroutines list is hidding the real
 	// source of problem.
 	if !t.Failed() {

client/pkg/testutil/leak_test.go

@@ -35,7 +35,7 @@ func TestMain(m *testing.M) {
 
 func TestSample(t *testing.T) {
 	SkipTestIfShortMode(t, "Counting leaked routines is disabled in --short tests")
-	defer AfterTest(t)
+	defer afterTest(t)
 	ranSample = true
 	for range make([]struct{}, 100) {
 		go func() {

client/pkg/tlsutil/cipher_suites.go

@@ -14,7 +14,10 @@
 
 package tlsutil
 
-import "crypto/tls"
+import (
+	"crypto/tls"
+	"fmt"
+)
 
 // GetCipherSuite returns the corresponding cipher suite,
 // and boolean value if it is supported.
@@ -37,3 +40,17 @@ func GetCipherSuite(s string) (uint16, bool) {
 	}
 	return 0, false
 }
+
+// GetCipherSuites returns list of corresponding cipher suite IDs.
+func GetCipherSuites(ss []string) ([]uint16, error) {
+	cs := make([]uint16, len(ss))
+	for i, s := range ss {
+		var ok bool
+		cs[i], ok = GetCipherSuite(s)
+		if !ok {
+			return nil, fmt.Errorf("unexpected TLS cipher suite %q", s)
+		}
+	}
+
+	return cs, nil
+}

client/pkg/transport/keepalive_listener.go

@@ -21,26 +21,29 @@ import (
 	"time"
 )
 
-type keepAliveConn interface {
-	SetKeepAlive(bool) error
-	SetKeepAlivePeriod(d time.Duration) error
-}
-
 // NewKeepAliveListener returns a listener that listens on the given address.
 // Be careful when wrap around KeepAliveListener with another Listener if TLSInfo is not nil.
 // Some pkgs (like go/http) might expect Listener to return TLSConn type to start TLS handshake.
 // http://tldp.org/HOWTO/TCP-Keepalive-HOWTO/overview.html
+//
+// Note(ahrtr):
+// only `net.TCPConn` supports `SetKeepAlive` and `SetKeepAlivePeriod`
+// by default, so if you want to wrap multiple layers of net.Listener,
+// the `keepaliveListener` should be the one which is closest to the
+// original `net.Listener` implementation, namely `TCPListener`.
 func NewKeepAliveListener(l net.Listener, scheme string, tlscfg *tls.Config) (net.Listener, error) {
+	kal := &keepaliveListener{
+		Listener: l,
+	}
+
 	if scheme == "https" {
 		if tlscfg == nil {
 			return nil, fmt.Errorf("cannot listen on TLS for given listener: KeyFile and CertFile are not presented")
 		}
-		return newTLSKeepaliveListener(l, tlscfg), nil
+		return newTLSKeepaliveListener(kal, tlscfg), nil
 	}
 
-	return &keepaliveListener{
-		Listener: l,
-	}, nil
+	return kal, nil
 }
 
 type keepaliveListener struct{ net.Listener }
@@ -50,13 +53,43 @@ func (kln *keepaliveListener) Accept() (net.Conn, error) {
 	if err != nil {
 		return nil, err
 	}
-	kac := c.(keepAliveConn)
+
+	kac, err := createKeepaliveConn(c)
+	if err != nil {
+		return nil, fmt.Errorf("create keepalive connection failed, %w", err)
+	}
 	// detection time: tcp_keepalive_time + tcp_keepalive_probes + tcp_keepalive_intvl
 	// default on linux:  30 + 8 * 30
 	// default on osx:    30 + 8 * 75
-	kac.SetKeepAlive(true)
-	kac.SetKeepAlivePeriod(30 * time.Second)
-	return c, nil
+	if err := kac.SetKeepAlive(true); err != nil {
+		return nil, fmt.Errorf("SetKeepAlive failed, %w", err)
+	}
+	if err := kac.SetKeepAlivePeriod(30 * time.Second); err != nil {
+		return nil, fmt.Errorf("SetKeepAlivePeriod failed, %w", err)
+	}
+	return kac, nil
+}
+
+func createKeepaliveConn(c net.Conn) (*keepAliveConn, error) {
+	tcpc, ok := c.(*net.TCPConn)
+	if !ok {
+		return nil, ErrNotTCP
+	}
+	return &keepAliveConn{tcpc}, nil
+}
+
+type keepAliveConn struct {
+	*net.TCPConn
+}
+
+// SetKeepAlive sets keepalive
+func (l *keepAliveConn) SetKeepAlive(doKeepAlive bool) error {
+	return l.TCPConn.SetKeepAlive(doKeepAlive)
+}
+
+// SetKeepAlivePeriod sets keepalive period
+func (l *keepAliveConn) SetKeepAlivePeriod(d time.Duration) error {
+	return l.TCPConn.SetKeepAlivePeriod(d)
 }
 
 // A tlsKeepaliveListener implements a network listener (net.Listener) for TLS connections.
@@ -72,12 +105,6 @@ func (l *tlsKeepaliveListener) Accept() (c net.Conn, err error) {
 	if err != nil {
 		return
 	}
-	kac := c.(keepAliveConn)
-	// detection time: tcp_keepalive_time + tcp_keepalive_probes + tcp_keepalive_intvl
-	// default on linux:  30 + 8 * 30
-	// default on osx:    30 + 8 * 75
-	kac.SetKeepAlive(true)
-	kac.SetKeepAlivePeriod(30 * time.Second)
 	c = tls.Server(c, l.config)
 	return c, nil
 }

client/pkg/transport/keepalive_listener_test.go

@@ -40,6 +40,9 @@ func TestNewKeepAliveListener(t *testing.T) {
 	if err != nil {
 		t.Fatalf("unexpected Accept error: %v", err)
 	}
+	if _, ok := conn.(*keepAliveConn); !ok {
+		t.Fatalf("Unexpected conn type: %T, wanted *keepAliveConn", conn)
+	}
 	conn.Close()
 	ln.Close()
 

client/pkg/transport/limit_listen.go

@@ -63,6 +63,9 @@ func (l *limitListenerConn) Close() error {
 	return err
 }
 
+// SetKeepAlive sets keepalive
+//
+// Deprecated: use (*keepAliveConn) SetKeepAlive instead.
 func (l *limitListenerConn) SetKeepAlive(doKeepAlive bool) error {
 	tcpc, ok := l.Conn.(*net.TCPConn)
 	if !ok {
@@ -71,6 +74,9 @@ func (l *limitListenerConn) SetKeepAlive(doKeepAlive bool) error {
 	return tcpc.SetKeepAlive(doKeepAlive)
 }
 
+// SetKeepAlivePeriod sets keepalive period
+//
+// Deprecated: use (*keepAliveConn) SetKeepAlivePeriod instead.
 func (l *limitListenerConn) SetKeepAlivePeriod(d time.Duration) error {
 	tcpc, ok := l.Conn.(*net.TCPConn)
 	if !ok {

client/pkg/transport/listener.go

@@ -68,7 +68,7 @@ func newListener(addr, scheme string, opts ...ListenerOption) (net.Listener, err
 		fallthrough
 	case lnOpts.IsTimeout(), lnOpts.IsSocketOpts():
 		// timeout listener with socket options.
-		ln, err := lnOpts.ListenConfig.Listen(context.TODO(), "tcp", addr)
+		ln, err := newKeepAliveListener(&lnOpts.ListenConfig, addr)
 		if err != nil {
 			return nil, err
 		}
@@ -78,7 +78,7 @@ func newListener(addr, scheme string, opts ...ListenerOption) (net.Listener, err
 			writeTimeout: lnOpts.writeTimeout,
 		}
 	case lnOpts.IsTimeout():
-		ln, err := net.Listen("tcp", addr)
+		ln, err := newKeepAliveListener(nil, addr)
 		if err != nil {
 			return nil, err
 		}
@@ -88,7 +88,7 @@ func newListener(addr, scheme string, opts ...ListenerOption) (net.Listener, err
 			writeTimeout: lnOpts.writeTimeout,
 		}
 	default:
-		ln, err := net.Listen("tcp", addr)
+		ln, err := newKeepAliveListener(nil, addr)
 		if err != nil {
 			return nil, err
 		}
@@ -102,6 +102,19 @@ func newListener(addr, scheme string, opts ...ListenerOption) (net.Listener, err
 	return wrapTLS(scheme, lnOpts.tlsInfo, lnOpts.Listener)
 }
 
+func newKeepAliveListener(cfg *net.ListenConfig, addr string) (ln net.Listener, err error) {
+	if cfg != nil {
+		ln, err = cfg.Listen(context.TODO(), "tcp", addr)
+	} else {
+		ln, err = net.Listen("tcp", addr)
+	}
+	if err != nil {
+		return
+	}
+
+	return NewKeepAliveListener(ln, "tcp", nil)
+}
+
 func wrapTLS(scheme string, tlsinfo *TLSInfo, l net.Listener) (net.Listener, error) {
 	if scheme != "https" && scheme != "unixs" {
 		return l, nil
@@ -192,7 +205,7 @@ func SelfCert(lg *zap.Logger, dirpath string, hosts []string, selfSignedCertVali
 		)
 		return
 	}
-	err = fileutil.TouchDirAll(dirpath)
+	err = fileutil.TouchDirAll(lg, dirpath)
 	if err != nil {
 		if info.Logger != nil {
 			info.Logger.Warn(

client/pkg/transport/listener_test.go

@@ -213,6 +213,15 @@ func TestNewListenerWithSocketOpts(t *testing.T) {
 			if !test.expectedErr && err != nil {
 				t.Fatalf("unexpected error: %v", err)
 			}
+
+			if test.scheme == "http" {
+				lnOpts := newListenOpts(test.opts...)
+				if !lnOpts.IsSocketOpts() && !lnOpts.IsTimeout() {
+					if _, ok := ln.(*keepaliveListener); !ok {
+						t.Fatalf("ln: unexpected listener type: %T, wanted *keepaliveListener", ln)
+					}
+				}
+			}
 		})
 	}
 }

client/pkg/transport/sockopt_solaris.go

@@ -0,0 +1,35 @@
+// Copyright 2021 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build solaris
+// +build solaris
+
+package transport
+
+import (
+	"fmt"
+	"syscall"
+
+	"golang.org/x/sys/unix"
+)
+
+func setReusePort(network, address string, c syscall.RawConn) error {
+	return fmt.Errorf("port reuse is not supported on Solaris")
+}
+
+func setReuseAddress(network, address string, conn syscall.RawConn) error {
+	return conn.Control(func(fd uintptr) {
+		syscall.SetsockoptInt(int(fd), syscall.SOL_SOCKET, unix.SO_REUSEADDR, 1)
+	})
+}

client/pkg/transport/sockopt_unix.go

@@ -1,5 +1,19 @@
-//go:build !windows
-// +build !windows
+// Copyright 2021 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build !windows && !solaris
+// +build !windows,!solaris
 
 package transport
 

client/v2/go.mod

@@ -1,12 +1,17 @@
 module go.etcd.io/etcd/client/v2
 
-go 1.16
+go 1.17
 
 require (
-	github.com/json-iterator/go v1.1.10
+	github.com/json-iterator/go v1.1.11
 	github.com/modern-go/reflect2 v1.0.1
-	go.etcd.io/etcd/api/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/client/pkg/v3 v3.5.0-beta.3
+	go.etcd.io/etcd/api/v3 v3.5.7
+	go.etcd.io/etcd/client/pkg/v3 v3.5.7
+)
+
+require (
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
 )
 
 replace (

client/v2/go.sum

@@ -3,19 +3,23 @@ cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMT
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd/v22 v22.3.1/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
@@ -32,6 +36,7 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
@@ -43,8 +48,8 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
-github.com/json-iterator/go v1.1.10 h1:Kz6Cvnvv2wGdaG/V8yMvfkmNiXq9Ya2KUv4rouJJr68=
-github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/json-iterator/go v1.1.11 h1:uVUAXhF2To8cbw/3xN3pxj6kk7TYKs98NIrTqPlMWAQ=
+github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
@@ -59,14 +64,16 @@ github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
-go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19/go.mod h1:aMfIlz3TDBfB0BwTCKFU1XbEmj9zevr5S5LcBr85MXw=
+go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -74,8 +81,11 @@ golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -86,6 +96,7 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -94,22 +105,30 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -120,12 +139,15 @@ google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoA
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.41.0/go.mod h1:U3l9uK9J0sini8mHphKoXyaqDA/8VyGnDee1zzIUK6k=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -139,7 +161,12 @@ google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp0
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3 h1:fvjTMHxHEw/mxHbtzPi3JCcKXQRAnQTBRo6YCJSVHKI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

client/v3/client.go

@@ -24,6 +24,7 @@ import (
 	"time"
 
 	"go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
+	"go.etcd.io/etcd/client/pkg/v3/logutil"
 	"go.etcd.io/etcd/client/v3/credentials"
 	"go.etcd.io/etcd/client/v3/internal/endpoint"
 	"go.etcd.io/etcd/client/v3/internal/resolver"
@@ -184,7 +185,9 @@ func (c *Client) Sync(ctx context.Context) error {
 	}
 	var eps []string
 	for _, m := range mresp.Members {
-		eps = append(eps, m.ClientURLs...)
+		if len(m.Name) != 0 && !m.IsLearner {
+			eps = append(eps, m.ClientURLs...)
+		}
 	}
 	c.SetEndpoints(eps...)
 	return nil
@@ -283,8 +286,7 @@ func (c *Client) dial(creds grpccredentials.TransportCredentials, dopts ...grpc.
 	if err != nil {
 		return nil, fmt.Errorf("failed to configure dialer: %v", err)
 	}
-	if c.Username != "" && c.Password != "" {
-		c.authTokenBundle = credentials.NewBundle(credentials.Config{})
+	if c.authTokenBundle != nil {
 		opts = append(opts, grpc.WithPerRPCCredentials(c.authTokenBundle.PerRPCCredentials()))
 	}
 
@@ -296,9 +298,7 @@ func (c *Client) dial(creds grpccredentials.TransportCredentials, dopts ...grpc.
 		dctx, cancel = context.WithTimeout(c.ctx, c.cfg.DialTimeout)
 		defer cancel() // TODO: Is this right for cases where grpc.WithBlock() is not set on the dial options?
 	}
-
-	initialEndpoints := strings.Join(c.cfg.Endpoints, ";")
-	target := fmt.Sprintf("%s://%p/#initially=[%s]", resolver.Schema, c, initialEndpoints)
+	target := fmt.Sprintf("%s://%p/%s", resolver.Schema, c, authority(c.Endpoints()[0]))
 	conn, err := grpc.DialContext(dctx, target, opts...)
 	if err != nil {
 		return nil, err
@@ -306,6 +306,20 @@ func (c *Client) dial(creds grpccredentials.TransportCredentials, dopts ...grpc.
 	return conn, nil
 }
 
+func authority(endpoint string) string {
+	spl := strings.SplitN(endpoint, "://", 2)
+	if len(spl) < 2 {
+		if strings.HasPrefix(endpoint, "unix:") {
+			return endpoint[len("unix:"):]
+		}
+		if strings.HasPrefix(endpoint, "unixs:") {
+			return endpoint[len("unixs:"):]
+		}
+		return endpoint
+	}
+	return spl[1]
+}
+
 func (c *Client) credentialsForEndpoint(ep string) grpccredentials.TransportCredentials {
 	r := endpoint.RequiresCredentials(ep)
 	switch r {
@@ -356,7 +370,10 @@ func newClient(cfg *Config) (*Client, error) {
 	} else if cfg.LogConfig != nil {
 		client.lg, err = cfg.LogConfig.Build()
 	} else {
-		client.lg, err = createDefaultZapLogger()
+		client.lg, err = logutil.CreateDefaultZapLogger(etcdClientDebugLevel())
+		if client.lg != nil {
+			client.lg = client.lg.Named("etcd-client")
+		}
 	}
 	if err != nil {
 		return nil, err
@@ -365,6 +382,7 @@ func newClient(cfg *Config) (*Client, error) {
 	if cfg.Username != "" && cfg.Password != "" {
 		client.Username = cfg.Username
 		client.Password = cfg.Password
+		client.authTokenBundle = credentials.NewBundle(credentials.Config{})
 	}
 	if cfg.MaxCallSendMsgSize > 0 || cfg.MaxCallRecvMsgSize > 0 {
 		if cfg.MaxCallRecvMsgSize > 0 && cfg.MaxCallSendMsgSize > cfg.MaxCallRecvMsgSize {

client/v3/client_test.go

@@ -17,13 +17,14 @@ package clientv3
 import (
 	"context"
 	"fmt"
-	"go.uber.org/zap"
 	"net"
 	"testing"
 	"time"
 
+	"go.etcd.io/etcd/api/v3/etcdserverpb"
 	"go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
 	"go.etcd.io/etcd/client/pkg/v3/testutil"
+	"go.uber.org/zap"
 	"go.uber.org/zap/zaptest"
 
 	"google.golang.org/grpc"
@@ -35,7 +36,7 @@ func NewClient(t *testing.T, cfg Config) (*Client, error) {
 }
 
 func TestDialCancel(t *testing.T) {
-	testutil.BeforeTest(t)
+	testutil.RegisterLeakDetection(t)
 
 	// accept first connection so client is created with dial timeout
 	ln, err := net.Listen("unix", "dialcancel:12345")
@@ -87,7 +88,7 @@ func TestDialCancel(t *testing.T) {
 }
 
 func TestDialTimeout(t *testing.T) {
-	testutil.BeforeTest(t)
+	testutil.RegisterLeakDetection(t)
 
 	wantError := context.DeadlineExceeded
 
@@ -198,3 +199,98 @@ func TestZapWithLogger(t *testing.T) {
 		t.Errorf("WithZapLogger should modify *zap.Logger")
 	}
 }
+
+func TestAuthTokenBundleNoOverwrite(t *testing.T) {
+	// Create a mock AuthServer to handle Authenticate RPCs.
+	lis, err := net.Listen("unix", "etcd-auth-test:0")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer lis.Close()
+	addr := "unix:" + lis.Addr().String()
+	srv := grpc.NewServer()
+	etcdserverpb.RegisterAuthServer(srv, mockAuthServer{})
+	go srv.Serve(lis)
+	defer srv.Stop()
+
+	// Create a client, which should call Authenticate on the mock server to
+	// exchange username/password for an auth token.
+	c, err := NewClient(t, Config{
+		DialTimeout: 5 * time.Second,
+		Endpoints:   []string{addr},
+		Username:    "foo",
+		Password:    "bar",
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer c.Close()
+	oldTokenBundle := c.authTokenBundle
+
+	// Call the public Dial again, which should preserve the original
+	// authTokenBundle.
+	gc, err := c.Dial(addr)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer gc.Close()
+	newTokenBundle := c.authTokenBundle
+
+	if oldTokenBundle != newTokenBundle {
+		t.Error("Client.authTokenBundle has been overwritten during Client.Dial")
+	}
+}
+
+type mockAuthServer struct {
+	*etcdserverpb.UnimplementedAuthServer
+}
+
+func (mockAuthServer) Authenticate(context.Context, *etcdserverpb.AuthenticateRequest) (*etcdserverpb.AuthenticateResponse, error) {
+	return &etcdserverpb.AuthenticateResponse{Token: "mock-token"}, nil
+}
+
+func TestSyncFiltersMembers(t *testing.T) {
+	c, _ := NewClient(t, Config{Endpoints: []string{"http://254.0.0.1:12345"}})
+	defer c.Close()
+	c.Cluster = &mockCluster{
+		[]*etcdserverpb.Member{
+			{ID: 0, Name: "", ClientURLs: []string{"http://254.0.0.1:12345"}, IsLearner: false},
+			{ID: 1, Name: "isStarted", ClientURLs: []string{"http://254.0.0.2:12345"}, IsLearner: true},
+			{ID: 2, Name: "isStartedAndNotLearner", ClientURLs: []string{"http://254.0.0.3:12345"}, IsLearner: false},
+		},
+	}
+	c.Sync(context.Background())
+
+	endpoints := c.Endpoints()
+	if len(endpoints) != 1 || endpoints[0] != "http://254.0.0.3:12345" {
+		t.Error("Client.Sync uses learner and/or non-started member client URLs")
+	}
+}
+
+type mockCluster struct {
+	members []*etcdserverpb.Member
+}
+
+func (mc *mockCluster) MemberList(ctx context.Context) (*MemberListResponse, error) {
+	return &MemberListResponse{Members: mc.members}, nil
+}
+
+func (mc *mockCluster) MemberAdd(ctx context.Context, peerAddrs []string) (*MemberAddResponse, error) {
+	return nil, nil
+}
+
+func (mc *mockCluster) MemberAddAsLearner(ctx context.Context, peerAddrs []string) (*MemberAddResponse, error) {
+	return nil, nil
+}
+
+func (mc *mockCluster) MemberRemove(ctx context.Context, id uint64) (*MemberRemoveResponse, error) {
+	return nil, nil
+}
+
+func (mc *mockCluster) MemberUpdate(ctx context.Context, id uint64, peerAddrs []string) (*MemberUpdateResponse, error) {
+	return nil, nil
+}
+
+func (mc *mockCluster) MemberPromote(ctx context.Context, id uint64) (*MemberPromoteResponse, error) {
+	return nil, nil
+}

client/v3/experimental/recipes/double_barrier.go

@@ -45,25 +45,46 @@ func NewDoubleBarrier(s *concurrency.Session, key string, count int) *DoubleBarr
 // Enter waits for "count" processes to enter the barrier then returns
 func (b *DoubleBarrier) Enter() error {
 	client := b.s.Client()
+
+	// Check the entered clients before creating the UniqueEphemeralKey,
+	// fail the request if there are already too many clients.
+	if resp1, err := b.enteredClients(client); err != nil {
+		return err
+	} else if len(resp1.Kvs) >= b.count {
+		return ErrTooManyClients
+	}
+
 	ek, err := newUniqueEphemeralKey(b.s, b.key+"/waiters")
 	if err != nil {
 		return err
 	}
 	b.myKey = ek
 
-	resp, err := client.Get(b.ctx, b.key+"/waiters", clientv3.WithPrefix())
+	// Check the entered clients after creating the UniqueEphemeralKey
+	resp2, err := b.enteredClients(client)
 	if err != nil {
 		return err
 	}
+	if len(resp2.Kvs) >= b.count {
+		lastWaiter := resp2.Kvs[b.count-1]
+		if ek.rev > lastWaiter.CreateRevision {
+			// delete itself now, otherwise other processes may need to wait
+			// until these keys are automatically deleted when the related
+			// lease expires.
+			if err = b.myKey.Delete(); err != nil {
+				// Nothing to do here. We have to wait for the key to be
+				// deleted when the lease expires.
+			}
+			return ErrTooManyClients
+		}
 
-	if len(resp.Kvs) > b.count {
-		return ErrTooManyClients
-	}
-
-	if len(resp.Kvs) == b.count {
-		// unblock waiters
-		_, err = client.Put(b.ctx, b.key+"/ready", "")
-		return err
+		if ek.rev == lastWaiter.CreateRevision {
+			// TODO(ahrtr): we might need to compare ek.key and
+			// string(lastWaiter.Key), they should be equal.
+			// unblock all other waiters
+			_, err = client.Put(b.ctx, b.key+"/ready", "")
+			return err
+		}
 	}
 
 	_, err = WaitEvents(
@@ -74,6 +95,18 @@ func (b *DoubleBarrier) Enter() error {
 	return err
 }
 
+// enteredClients gets all the entered clients, which are ordered by the
+// createRevision in ascending order.
+func (b *DoubleBarrier) enteredClients(cli *clientv3.Client) (*clientv3.GetResponse, error) {
+	resp, err := cli.Get(b.ctx, b.key+"/waiters", clientv3.WithPrefix(),
+		clientv3.WithSort(clientv3.SortByCreateRevision, clientv3.SortAscend))
+	if err != nil {
+		return nil, err
+	}
+
+	return resp, nil
+}
+
 // Leave waits for "count" processes to leave the barrier then returns
 func (b *DoubleBarrier) Leave() error {
 	client := b.s.Client()
@@ -96,7 +129,7 @@ func (b *DoubleBarrier) Leave() error {
 	}
 	isLowest := string(lowest.Key) == b.myKey.Key()
 
-	if len(resp.Kvs) == 1 {
+	if len(resp.Kvs) == 1 && isLowest {
 		// this is the only node in the barrier; finish up
 		if _, err = client.Delete(b.ctx, b.key+"/ready"); err != nil {
 			return err

client/v3/go.mod

@@ -1,18 +1,39 @@
 module go.etcd.io/etcd/client/v3
 
-go 1.16
+go 1.17
 
 require (
 	github.com/dustin/go-humanize v1.0.0
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
-	github.com/prometheus/client_golang v1.5.1
-	go.etcd.io/etcd/api/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/client/pkg/v3 v3.5.0-beta.3
-	go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19
-	google.golang.org/grpc v1.37.0
+	github.com/prometheus/client_golang v1.11.1
+	go.etcd.io/etcd/api/v3 v3.5.7
+	go.etcd.io/etcd/client/pkg/v3 v3.5.7
+	go.uber.org/zap v1.17.0
+	google.golang.org/grpc v1.41.0
 	sigs.k8s.io/yaml v1.2.0
 )
 
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.26.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 // indirect
+	golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40 // indirect
+	golang.org/x/text v0.3.5 // indirect
+	google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)
+
 replace (
 	go.etcd.io/etcd/api/v3 => ../../api
 	go.etcd.io/etcd/client/pkg/v3 => ../pkg

client/v3/go.sum

@@ -5,6 +5,7 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@@ -16,10 +17,11 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
-github.com/coreos/go-systemd/v22 v22.3.1 h1:7OO2CXWMYNDdaAzP51t4lCCZWwpQHmvPbm9sxWjm3So=
-github.com/coreos/go-systemd/v22 v22.3.1/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.3.2 h1:D9/bQk5vlXQFZ6Kwuu6zaiXJ9oTPe68++AzAJc1DzSI=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -28,13 +30,17 @@ github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25Kn
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
+github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
+github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
@@ -53,6 +59,7 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
@@ -61,6 +68,7 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
@@ -68,12 +76,16 @@ github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
+github.com/jpillora/backoff v1.0.0/go.mod h1:J/6gKK9jxlEcS3zixgDgUAsiuZ7yrSoa/FX5e0EB2j4=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
-github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
+github.com/julienschmidt/httprouter v1.3.0/go.mod h1:JR6WtHb+2LUe8TCKY3cZOxFyyO8IZAc4RVcycCCAKdM=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
@@ -87,45 +99,54 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJ
 github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
+github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
 github.com/prometheus/client_golang v1.0.0/go.mod h1:db9x61etRT2tGnBNRi70OPL5FsnadC4Ky3P0J6CfImo=
-github.com/prometheus/client_golang v1.5.1 h1:bdHYieyGlH+6OLEk2YQha8THib30KP0/yD0YH9m6xcA=
-github.com/prometheus/client_golang v1.5.1/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3OK1iX/F2sw+iXX5zU=
+github.com/prometheus/client_golang v1.7.1/go.mod h1:PY5Wy2awLA44sXw4AOSfFBetzPP4j5+D6mVACh+pe2M=
+github.com/prometheus/client_golang v1.11.1 h1:+4eQaD7vAZ6DsfsxB15hbE0odUjGI5ARs9yskGu1v4s=
+github.com/prometheus/client_golang v1.11.1/go.mod h1:Z6t4BnS23TR94PD6BsDNk8yVqroYurpAkEiz0P2BEV0=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.2.0 h1:uq5h0d+GuxiXLJLNABMgp2qUWDPiLvgCzz2dUR+/W/M=
 github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
-github.com/prometheus/common v0.9.1 h1:KOMtN28tlbam3/7ZKEYKHhKoJZYYj3gMH4uc62x7X7U=
-github.com/prometheus/common v0.9.1/go.mod h1:yhUN8i9wzaXS3w1O07YhxHEBxD+W35wd8bs7vj7HSQ4=
+github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB80sz/V91rCo=
+github.com/prometheus/common v0.26.0 h1:iMAkS2TDoNWnKM+Kopnx/8tnEStIfpYA0ur0xQzzhMQ=
+github.com/prometheus/common v0.26.0/go.mod h1:M7rCNAaPfAosfx8veZJCuw84e35h3Cfd9VFqTh1DIvc=
 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
-github.com/prometheus/procfs v0.0.8 h1:+fpWZdT24pJBiqJdAwYBjPSk+5YmQzYNPYzQsdzLkt8=
-github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
+github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
+github.com/prometheus/procfs v0.6.0 h1:mxy4L2jP6qMonqmq+aTtOx1ifVWUgG/TAmntgbh3xv4=
+github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
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@@ -134,8 +155,11 @@ golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL
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@@ -146,10 +170,13 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -157,28 +184,42 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
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@@ -189,15 +230,18 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
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@@ -219,8 +263,13 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=

client/v3/lease.go

@@ -397,7 +397,7 @@ func (l *lessor) closeRequireLeader() {
 	}
 }
 
-func (l *lessor) keepAliveOnce(ctx context.Context, id LeaseID) (*LeaseKeepAliveResponse, error) {
+func (l *lessor) keepAliveOnce(ctx context.Context, id LeaseID) (karesp *LeaseKeepAliveResponse, ferr error) {
 	cctx, cancel := context.WithCancel(ctx)
 	defer cancel()
 
@@ -406,6 +406,15 @@ func (l *lessor) keepAliveOnce(ctx context.Context, id LeaseID) (*LeaseKeepAlive
 		return nil, toErr(ctx, err)
 	}
 
+	defer func() {
+		if err := stream.CloseSend(); err != nil {
+			if ferr == nil {
+				ferr = toErr(ctx, err)
+			}
+			return
+		}
+	}()
+
 	err = stream.Send(&pb.LeaseKeepAliveRequest{ID: int64(id)})
 	if err != nil {
 		return nil, toErr(ctx, err)
@@ -416,7 +425,7 @@ func (l *lessor) keepAliveOnce(ctx context.Context, id LeaseID) (*LeaseKeepAlive
 		return nil, toErr(ctx, rerr)
 	}
 
-	karesp := &LeaseKeepAliveResponse{
+	karesp = &LeaseKeepAliveResponse{
 		ResponseHeader: resp.GetHeader(),
 		ID:             LeaseID(resp.ID),
 		TTL:            resp.TTL,

client/v3/logger.go

@@ -19,8 +19,8 @@ import (
 	"os"
 
 	"go.etcd.io/etcd/client/pkg/v3/logutil"
-	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
+	"go.uber.org/zap/zapgrpc"
 	"google.golang.org/grpc/grpclog"
 )
 
@@ -28,14 +28,12 @@ func init() {
 	// We override grpc logger only when the environment variable is set
 	// in order to not interfere by default with user's code or other libraries.
 	if os.Getenv("ETCD_CLIENT_DEBUG") != "" {
-		// We don't use grpc_zap.ReplaceGrpcLoggerV2(lg) to not push (wide) set
-		// of grpc-ecosystem/go-grpc-middleware dependencies on etcd-client users.
-		lg, err := logutil.NewGRPCLoggerV2(createDefaultZapLoggerConfig())
+		lg, err := logutil.CreateDefaultZapLogger(etcdClientDebugLevel())
 		if err != nil {
 			panic(err)
 		}
-
-		grpclog.SetLoggerV2(lg)
+		lg = lg.Named("etcd-client")
+		grpclog.SetLoggerV2(zapgrpc.NewLogger(lg))
 	}
 }
 
@@ -53,23 +51,9 @@ func etcdClientDebugLevel() zapcore.Level {
 		return zapcore.InfoLevel
 	}
 	var l zapcore.Level
-	if err := l.Set(envLevel); err == nil {
-		log.Printf("Deprecated env ETCD_CLIENT_DEBUG value. Using default level: 'info'")
+	if err := l.Set(envLevel); err != nil {
+		log.Printf("Invalid value for environment variable 'ETCD_CLIENT_DEBUG'. Using default level: 'info'")
 		return zapcore.InfoLevel
 	}
 	return l
 }
-
-func createDefaultZapLoggerConfig() zap.Config {
-	lcfg := logutil.DefaultZapLoggerConfig
-	lcfg.Level = zap.NewAtomicLevelAt(etcdClientDebugLevel())
-	return lcfg
-}
-
-func createDefaultZapLogger() (*zap.Logger, error) {
-	c, err := createDefaultZapLoggerConfig().Build()
-	if err != nil {
-		return nil, err
-	}
-	return c.Named("etcd-client"), nil
-}

client/v3/maintenance.go

@@ -92,6 +92,7 @@ func NewMaintenance(c *Client) Maintenance {
 			err = c.getToken(dctx)
 			cancel()
 			if err != nil {
+				conn.Close()
 				return nil, nil, fmt.Errorf("failed to getToken from endpoint %s with maintenance client: %v", endpoint, err)
 			}
 			cancel = func() { conn.Close() }

client/v3/mirror/syncer.go

@@ -18,7 +18,7 @@ package mirror
 import (
 	"context"
 
-	"go.etcd.io/etcd/client/v3"
+	clientv3 "go.etcd.io/etcd/client/v3"
 )
 
 const (
@@ -52,7 +52,13 @@ func (s *syncer) SyncBase(ctx context.Context) (<-chan clientv3.GetResponse, cha
 
 	// if rev is not specified, we will choose the most recent revision.
 	if s.rev == 0 {
-		resp, err := s.c.Get(ctx, "foo")
+		// If len(s.prefix) == 0, we will check a random key to fetch the most recent
+		// revision (foo), otherwise we use the provided prefix.
+		checkPath := "foo"
+		if len(s.prefix) != 0 {
+			checkPath = s.prefix
+		}
+		resp, err := s.c.Get(ctx, checkPath)
 		if err != nil {
 			errchan <- err
 			close(respchan)

client/v3/op.go

@@ -77,6 +77,9 @@ type Op struct {
 	cmps    []Cmp
 	thenOps []Op
 	elseOps []Op
+
+	isOptsWithFromKey bool
+	isOptsWithPrefix  bool
 }
 
 // accessors / mutators
@@ -216,6 +219,10 @@ func (op Op) isWrite() bool {
 	return op.t != tRange
 }
 
+func NewOp() *Op {
+	return &Op{key: []byte("")}
+}
+
 // OpGet returns "get" operation based on given key and operation options.
 func OpGet(key string, opts ...OpOption) Op {
 	// WithPrefix and WithFromKey are not supported together
@@ -382,6 +389,7 @@ func getPrefix(key []byte) []byte {
 // can return 'foo1', 'foo2', and so on.
 func WithPrefix() OpOption {
 	return func(op *Op) {
+		op.isOptsWithPrefix = true
 		if len(op.key) == 0 {
 			op.key, op.end = []byte{0}, []byte{0}
 			return
@@ -406,6 +414,7 @@ func WithFromKey() OpOption {
 			op.key = []byte{0}
 		}
 		op.end = []byte("\x00")
+		op.isOptsWithFromKey = true
 	}
 }
 
@@ -554,7 +563,21 @@ func toLeaseTimeToLiveRequest(id LeaseID, opts ...LeaseOption) *pb.LeaseTimeToLi
 }
 
 // IsOptsWithPrefix returns true if WithPrefix option is called in the given opts.
-func IsOptsWithPrefix(opts []OpOption) bool { return isOpFuncCalled("WithPrefix", opts) }
+func IsOptsWithPrefix(opts []OpOption) bool {
+	ret := NewOp()
+	for _, opt := range opts {
+		opt(ret)
+	}
+
+	return ret.isOptsWithPrefix
+}
 
 // IsOptsWithFromKey returns true if WithFromKey option is called in the given opts.
-func IsOptsWithFromKey(opts []OpOption) bool { return isOpFuncCalled("WithFromKey", opts) }
+func IsOptsWithFromKey(opts []OpOption) bool {
+	ret := NewOp()
+	for _, opt := range opts {
+		opt(ret)
+	}
+
+	return ret.isOptsWithFromKey
+}

client/v3/op_test.go

@@ -36,3 +36,27 @@ func TestOpWithSort(t *testing.T) {
 		t.Fatalf("expected %+v, got %+v", wreq, req)
 	}
 }
+
+func TestIsOptsWithPrefix(t *testing.T) {
+	optswithprefix := []OpOption{WithPrefix()}
+	if !IsOptsWithPrefix(optswithprefix) {
+		t.Errorf("IsOptsWithPrefix = false, expected true")
+	}
+
+	optswithfromkey := []OpOption{WithFromKey()}
+	if IsOptsWithPrefix(optswithfromkey) {
+		t.Errorf("IsOptsWithPrefix = true, expected false")
+	}
+}
+
+func TestIsOptsWithFromKey(t *testing.T) {
+	optswithfromkey := []OpOption{WithFromKey()}
+	if !IsOptsWithFromKey(optswithfromkey) {
+		t.Errorf("IsOptsWithFromKey = false, expected true")
+	}
+
+	optswithprefix := []OpOption{WithPrefix()}
+	if IsOptsWithFromKey(optswithprefix) {
+		t.Errorf("IsOptsWithFromKey = true, expected false")
+	}
+}

client/v3/retry_interceptor.go

@@ -73,14 +73,8 @@ func (c *Client) unaryClientInterceptor(optFuncs ...retryOption) grpc.UnaryClien
 				// its the callCtx deadline or cancellation, in which case try again.
 				continue
 			}
-			if callOpts.retryAuth && rpctypes.Error(lastErr) == rpctypes.ErrInvalidAuthToken {
-				// clear auth token before refreshing it.
-				// call c.Auth.Authenticate with an invalid token will always fail the auth check on the server-side,
-				// if the server has not apply the patch of pr #12165 (https://github.com/etcd-io/etcd/pull/12165)
-				// and a rpctypes.ErrInvalidAuthToken will recursively call c.getToken until system run out of resource.
-				c.authTokenBundle.UpdateAuthToken("")
-
-				gterr := c.getToken(ctx)
+			if c.shouldRefreshToken(lastErr, callOpts) {
+				gterr := c.refreshToken(ctx)
 				if gterr != nil {
 					c.GetLogger().Warn(
 						"retrying of unary invoker failed to fetch new auth token",
@@ -148,6 +142,37 @@ func (c *Client) streamClientInterceptor(optFuncs ...retryOption) grpc.StreamCli
 	}
 }
 
+// shouldRefreshToken checks whether there's a need to refresh the token based on the error and callOptions,
+// and returns a boolean value.
+func (c *Client) shouldRefreshToken(err error, callOpts *options) bool {
+	if rpctypes.Error(err) == rpctypes.ErrUserEmpty {
+		// refresh the token when username, password is present but the server returns ErrUserEmpty
+		// which is possible when the client token is cleared somehow
+		return c.authTokenBundle != nil // equal to c.Username != "" && c.Password != ""
+	}
+
+	return callOpts.retryAuth &&
+		(rpctypes.Error(err) == rpctypes.ErrInvalidAuthToken || rpctypes.Error(err) == rpctypes.ErrAuthOldRevision)
+}
+
+func (c *Client) refreshToken(ctx context.Context) error {
+	if c.authTokenBundle == nil {
+		// c.authTokenBundle will be initialized only when
+		// c.Username != "" && c.Password != "".
+		//
+		// When users use the TLS CommonName based authentication, the
+		// authTokenBundle is always nil. But it's possible for the clients
+		// to get `rpctypes.ErrAuthOldRevision` response when the clients
+		// concurrently modify auth data (e.g, addUser, deleteUser etc.).
+		// In this case, there is no need to refresh the token; instead the
+		// clients just need to retry the operations (e.g. Put, Delete etc).
+		return nil
+	}
+	// clear auth token before refreshing it.
+	c.authTokenBundle.UpdateAuthToken("")
+	return c.getToken(ctx)
+}
+
 // type serverStreamingRetryingStream is the implementation of grpc.ClientStream that acts as a
 // proxy to the underlying call. If any of the RecvMsg() calls fail, it will try to reestablish
 // a new ClientStream according to the retry policy.
@@ -245,11 +270,8 @@ func (s *serverStreamingRetryingStream) receiveMsgAndIndicateRetry(m interface{}
 		// its the callCtx deadline or cancellation, in which case try again.
 		return true, err
 	}
-	if s.callOpts.retryAuth && rpctypes.Error(err) == rpctypes.ErrInvalidAuthToken {
-		// clear auth token to avoid failure when call getToken
-		s.client.authTokenBundle.UpdateAuthToken("")
-
-		gterr := s.client.getToken(s.ctx)
+	if s.client.shouldRefreshToken(err, s.callOpts) {
+		gterr := s.client.refreshToken(s.ctx)
 		if gterr != nil {
 			s.client.lg.Warn("retry failed to fetch new auth token", zap.Error(gterr))
 			return false, err // return the original error for simplicity

client/v3/retry_interceptor_test.go

@@ -0,0 +1,124 @@
+package clientv3
+
+import (
+	"go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
+	"go.etcd.io/etcd/client/v3/credentials"
+	grpccredentials "google.golang.org/grpc/credentials"
+	"testing"
+)
+
+type dummyAuthTokenBundle struct{}
+
+func (d dummyAuthTokenBundle) TransportCredentials() grpccredentials.TransportCredentials {
+	return nil
+}
+
+func (d dummyAuthTokenBundle) PerRPCCredentials() grpccredentials.PerRPCCredentials {
+	return nil
+}
+
+func (d dummyAuthTokenBundle) NewWithMode(mode string) (grpccredentials.Bundle, error) {
+	return nil, nil
+}
+
+func (d dummyAuthTokenBundle) UpdateAuthToken(token string) {
+}
+
+func TestClientShouldRefreshToken(t *testing.T) {
+	type fields struct {
+		authTokenBundle credentials.Bundle
+	}
+	type args struct {
+		err      error
+		callOpts *options
+	}
+
+	optsWithTrue := &options{
+		retryAuth: true,
+	}
+	optsWithFalse := &options{
+		retryAuth: false,
+	}
+
+	tests := []struct {
+		name   string
+		fields fields
+		args   args
+		want   bool
+	}{
+		{
+			name: "ErrUserEmpty and non nil authTokenBundle",
+			fields: fields{
+				authTokenBundle: &dummyAuthTokenBundle{},
+			},
+			args: args{rpctypes.ErrGRPCUserEmpty, optsWithTrue},
+			want: true,
+		},
+		{
+			name: "ErrUserEmpty and nil authTokenBundle",
+			fields: fields{
+				authTokenBundle: nil,
+			},
+			args: args{rpctypes.ErrGRPCUserEmpty, optsWithTrue},
+			want: false,
+		},
+		{
+			name: "ErrGRPCInvalidAuthToken and retryAuth",
+			fields: fields{
+				authTokenBundle: nil,
+			},
+			args: args{rpctypes.ErrGRPCInvalidAuthToken, optsWithTrue},
+			want: true,
+		},
+		{
+			name: "ErrGRPCInvalidAuthToken and !retryAuth",
+			fields: fields{
+				authTokenBundle: nil,
+			},
+			args: args{rpctypes.ErrGRPCInvalidAuthToken, optsWithFalse},
+			want: false,
+		},
+		{
+			name: "ErrGRPCAuthOldRevision and retryAuth",
+			fields: fields{
+				authTokenBundle: nil,
+			},
+			args: args{rpctypes.ErrGRPCAuthOldRevision, optsWithTrue},
+			want: true,
+		},
+		{
+			name: "ErrGRPCAuthOldRevision and !retryAuth",
+			fields: fields{
+				authTokenBundle: nil,
+			},
+			args: args{rpctypes.ErrGRPCAuthOldRevision, optsWithFalse},
+			want: false,
+		},
+		{
+			name: "Other error and retryAuth",
+			fields: fields{
+				authTokenBundle: nil,
+			},
+			args: args{rpctypes.ErrGRPCAuthFailed, optsWithTrue},
+			want: false,
+		},
+		{
+			name: "Other error and !retryAuth",
+			fields: fields{
+				authTokenBundle: nil,
+			},
+			args: args{rpctypes.ErrGRPCAuthFailed, optsWithFalse},
+			want: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			c := &Client{
+				authTokenBundle: tt.fields.authTokenBundle,
+			}
+			if got := c.shouldRefreshToken(tt.args.err, tt.args.callOpts); got != tt.want {
+				t.Errorf("shouldRefreshToken() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}

client/v3/snapshot/v3_snapshot.go

@@ -44,9 +44,6 @@ func hasChecksum(n int64) bool {
 // selected node, and saved snapshot is the point-in-time state of
 // the selected node.
 func Save(ctx context.Context, lg *zap.Logger, cfg clientv3.Config, dbPath string) error {
-	if lg == nil {
-		lg = zap.NewExample()
-	}
 	cfg.Logger = lg.Named("client")
 	if len(cfg.Endpoints) != 1 {
 		return fmt.Errorf("snapshot must be requested to one selected node, not multiple %v", cfg.Endpoints)

client/v3/txn_test.go

@@ -23,7 +23,7 @@ import (
 )
 
 func TestTxnPanics(t *testing.T) {
-	testutil.BeforeTest(t)
+	testutil.RegisterLeakDetection(t)
 
 	kv := &kv{}
 

client/v3/utils.go

@@ -16,9 +16,6 @@ package clientv3
 
 import (
 	"math/rand"
-	"reflect"
-	"runtime"
-	"strings"
 	"time"
 )
 
@@ -32,18 +29,3 @@ func jitterUp(duration time.Duration, jitter float64) time.Duration {
 	multiplier := jitter * (rand.Float64()*2 - 1)
 	return time.Duration(float64(duration) * (1 + multiplier))
 }
-
-// Check if the provided function is being called in the op options.
-func isOpFuncCalled(op string, opts []OpOption) bool {
-	for _, opt := range opts {
-		v := reflect.ValueOf(opt)
-		if v.Kind() == reflect.Func {
-			if opFunc := runtime.FuncForPC(v.Pointer()); opFunc != nil {
-				if strings.Contains(opFunc.Name(), op) {
-					return true
-				}
-			}
-		}
-	}
-	return false
-}

client/v3/watch.go

@@ -37,6 +37,13 @@ const (
 	EventTypePut    = mvccpb.PUT
 
 	closeSendErrTimeout = 250 * time.Millisecond
+
+	// AutoWatchID is the watcher ID passed in WatchStream.Watch when no
+	// user-provided ID is available. If pass, an ID will automatically be assigned.
+	AutoWatchID = 0
+
+	// InvalidWatchID represents an invalid watch ID and prevents duplication with an existing watch.
+	InvalidWatchID = -1
 )
 
 type Event mvccpb.Event
@@ -450,7 +457,7 @@ func (w *watcher) closeStream(wgs *watchGrpcStream) {
 
 func (w *watchGrpcStream) addSubstream(resp *pb.WatchResponse, ws *watcherStream) {
 	// check watch ID for backward compatibility (<= v3.3)
-	if resp.WatchId == -1 || (resp.Canceled && resp.CancelReason != "") {
+	if resp.WatchId == InvalidWatchID || (resp.Canceled && resp.CancelReason != "") {
 		w.closeErr = v3rpc.Error(errors.New(resp.CancelReason))
 		// failed; no channel
 		close(ws.recvc)
@@ -481,7 +488,7 @@ func (w *watchGrpcStream) closeSubstream(ws *watcherStream) {
 	} else if ws.outc != nil {
 		close(ws.outc)
 	}
-	if ws.id != -1 {
+	if ws.id != InvalidWatchID {
 		delete(w.substreams, ws.id)
 		return
 	}
@@ -533,6 +540,7 @@ func (w *watchGrpcStream) run() {
 	cancelSet := make(map[int64]struct{})
 
 	var cur *pb.WatchResponse
+	backoff := time.Millisecond
 	for {
 		select {
 		// Watch() requested
@@ -543,7 +551,7 @@ func (w *watchGrpcStream) run() {
 				// TODO: pass custom watch ID?
 				ws := &watcherStream{
 					initReq: *wreq,
-					id:      -1,
+					id:      InvalidWatchID,
 					outc:    outc,
 					// unbuffered so resumes won't cause repeat events
 					recvc: make(chan *WatchResponse),
@@ -649,6 +657,7 @@ func (w *watchGrpcStream) run() {
 				closeErr = err
 				return
 			}
+			backoff = w.backoffIfUnavailable(backoff, err)
 			if wc, closeErr = w.newWatchClient(); closeErr != nil {
 				return
 			}
@@ -669,7 +678,7 @@ func (w *watchGrpcStream) run() {
 			if len(w.substreams)+len(w.resuming) == 0 {
 				return
 			}
-			if ws.id != -1 {
+			if ws.id != InvalidWatchID {
 				// client is closing an established watch; close it on the server proactively instead of waiting
 				// to close when the next message arrives
 				cancelSet[ws.id] = struct{}{}
@@ -716,9 +725,9 @@ func (w *watchGrpcStream) dispatchEvent(pbresp *pb.WatchResponse) bool {
 		cancelReason:    pbresp.CancelReason,
 	}
 
-	// watch IDs are zero indexed, so request notify watch responses are assigned a watch ID of -1 to
+	// watch IDs are zero indexed, so request notify watch responses are assigned a watch ID of InvalidWatchID to
 	// indicate they should be broadcast.
-	if wr.IsProgressNotify() && pbresp.WatchId == -1 {
+	if wr.IsProgressNotify() && pbresp.WatchId == InvalidWatchID {
 		return w.broadcastResponse(wr)
 	}
 
@@ -873,7 +882,7 @@ func (w *watchGrpcStream) newWatchClient() (pb.Watch_WatchClient, error) {
 	w.resumec = make(chan struct{})
 	w.joinSubstreams()
 	for _, ws := range w.substreams {
-		ws.id = -1
+		ws.id = InvalidWatchID
 		w.resuming = append(w.resuming, ws)
 	}
 	// strip out nils, if any
@@ -963,6 +972,21 @@ func (w *watchGrpcStream) joinSubstreams() {
 
 var maxBackoff = 100 * time.Millisecond
 
+func (w *watchGrpcStream) backoffIfUnavailable(backoff time.Duration, err error) time.Duration {
+	if isUnavailableErr(w.ctx, err) {
+		// retry, but backoff
+		if backoff < maxBackoff {
+			// 25% backoff factor
+			backoff = backoff + backoff/4
+			if backoff > maxBackoff {
+				backoff = maxBackoff
+			}
+		}
+		time.Sleep(backoff)
+	}
+	return backoff
+}
+
 // openWatchClient retries opening a watch client until success or halt.
 // manually retry in case "ws==nil && err==nil"
 // TODO: remove FailFast=false
@@ -983,17 +1007,7 @@ func (w *watchGrpcStream) openWatchClient() (ws pb.Watch_WatchClient, err error)
 		if isHaltErr(w.ctx, err) {
 			return nil, v3rpc.Error(err)
 		}
-		if isUnavailableErr(w.ctx, err) {
-			// retry, but backoff
-			if backoff < maxBackoff {
-				// 25% backoff factor
-				backoff = backoff + backoff/4
-				if backoff > maxBackoff {
-					backoff = maxBackoff
-				}
-			}
-			time.Sleep(backoff)
-		}
+		backoff = w.backoffIfUnavailable(backoff, err)
 	}
 	return ws, nil
 }

etcd.conf.yml.sample

@@ -125,6 +125,9 @@ peer-transport-security:
   # Peer TLS using generated certificates.
   auto-tls: false
 
+# The validity period of the self-signed certificate, the unit is year.
+self-signed-cert-validity: 1
+
 # Enable debug-level logging for etcd.
 log-level: debug
 

etcdctl/ctlv3/command/defrag_command.go

@@ -46,6 +46,7 @@ func defragCommandFunc(cmd *cobra.Command, args []string) {
 		if err != nil {
 			cobrautl.ExitWithError(cobrautl.ExitError, err)
 		}
+		return
 	}
 
 	failures := 0

etcdctl/ctlv3/command/del_command.go

@@ -16,9 +16,10 @@ package command
 
 import (
 	"fmt"
+	"os"
 
 	"github.com/spf13/cobra"
-	"go.etcd.io/etcd/client/v3"
+	clientv3 "go.etcd.io/etcd/client/v3"
 	"go.etcd.io/etcd/pkg/v3/cobrautl"
 )
 
@@ -26,6 +27,7 @@ var (
 	delPrefix  bool
 	delPrevKV  bool
 	delFromKey bool
+	delRange   bool
 )
 
 // NewDelCommand returns the cobra command for "del".
@@ -39,6 +41,7 @@ func NewDelCommand() *cobra.Command {
 	cmd.Flags().BoolVar(&delPrefix, "prefix", false, "delete keys with matching prefix")
 	cmd.Flags().BoolVar(&delPrevKV, "prev-kv", false, "return deleted key-value pairs")
 	cmd.Flags().BoolVar(&delFromKey, "from-key", false, "delete keys that are greater than or equal to the given key using byte compare")
+	cmd.Flags().BoolVar(&delRange, "range", false, "delete range of keys")
 	return cmd
 }
 
@@ -70,6 +73,9 @@ func getDelOp(args []string) (string, []clientv3.OpOption) {
 			cobrautl.ExitWithError(cobrautl.ExitBadArgs, fmt.Errorf("too many arguments, only accept one argument when `--prefix` or `--from-key` is set"))
 		}
 		opts = append(opts, clientv3.WithRange(args[1]))
+		if !delRange {
+			fmt.Fprintln(os.Stderr, "In etcd v3.6, the operation will be suspended for a few seconds to provide the user time to verify range.")
+		}
 	}
 
 	if delPrefix {

etcdctl/ctlv3/command/ep_command.go

@@ -22,6 +22,7 @@ import (
 
 	"go.etcd.io/etcd/api/v3/etcdserverpb"
 	"go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
+	"go.etcd.io/etcd/client/pkg/v3/logutil"
 	v3 "go.etcd.io/etcd/client/v3"
 	"go.etcd.io/etcd/pkg/v3/cobrautl"
 	"go.etcd.io/etcd/pkg/v3/flags"
@@ -88,7 +89,7 @@ type epHealth struct {
 
 // epHealthCommandFunc executes the "endpoint-health" command.
 func epHealthCommandFunc(cmd *cobra.Command, args []string) {
-	lg, err := zap.NewProduction()
+	lg, err := logutil.CreateDefaultZapLogger(zap.InfoLevel)
 	if err != nil {
 		cobrautl.ExitWithError(cobrautl.ExitError, err)
 	}

etcdctl/ctlv3/command/global.go

@@ -25,6 +25,7 @@ import (
 	"time"
 
 	"github.com/bgentry/speakeasy"
+	"go.etcd.io/etcd/client/pkg/v3/logutil"
 	"go.etcd.io/etcd/client/pkg/v3/srv"
 	"go.etcd.io/etcd/client/pkg/v3/transport"
 	"go.etcd.io/etcd/client/v3"
@@ -114,7 +115,7 @@ func (*discardValue) Set(string) error { return nil }
 func (*discardValue) Type() string     { return "" }
 
 func clientConfigFromCmd(cmd *cobra.Command) *clientConfig {
-	lg, err := zap.NewProduction()
+	lg, err := logutil.CreateDefaultZapLogger(zap.InfoLevel)
 	if err != nil {
 		cobrautl.ExitWithError(cobrautl.ExitError, err)
 	}
@@ -193,7 +194,7 @@ func newClientCfg(endpoints []string, dialTimeout, keepAliveTime, keepAliveTimeo
 	// set tls if any one tls option set
 	var cfgtls *transport.TLSInfo
 	tlsinfo := transport.TLSInfo{}
-	tlsinfo.Logger, _ = zap.NewProduction()
+	tlsinfo.Logger, _ = logutil.CreateDefaultZapLogger(zap.InfoLevel)
 	if scfg.cert != "" {
 		tlsinfo.CertFile = scfg.cert
 		cfgtls = &tlsinfo

etcdctl/ctlv3/command/move_leader_command.go

@@ -43,7 +43,8 @@ func transferLeadershipCommandFunc(cmd *cobra.Command, args []string) {
 		cobrautl.ExitWithError(cobrautl.ExitBadArgs, err)
 	}
 
-	c := mustClientFromCmd(cmd)
+	cfg := clientConfigFromCmd(cmd)
+	c := cfg.mustClient()
 	eps := c.Endpoints()
 	c.Close()
 
@@ -53,7 +54,6 @@ func transferLeadershipCommandFunc(cmd *cobra.Command, args []string) {
 	var leaderCli *clientv3.Client
 	var leaderID uint64
 	for _, ep := range eps {
-		cfg := clientConfigFromCmd(cmd)
 		cfg.endpoints = []string{ep}
 		cli := cfg.mustClient()
 		resp, serr := cli.Status(ctx, ep)

etcdctl/ctlv3/command/printer_json.go

@@ -67,7 +67,7 @@ func printMemberListWithHexJSON(r clientv3.MemberListResponse) {
 	b = strconv.AppendUint(nil, r.Header.MemberId, 16)
 	buffer.Write(b)
 	buffer.WriteString("\",\"raft_term\":")
-	b = strconv.AppendUint(nil, r.Header.RaftTerm, 16)
+	b = strconv.AppendUint(nil, r.Header.RaftTerm, 10)
 	buffer.Write(b)
 	buffer.WriteByte('}')
 	for i := 0; i < len(r.Members); i++ {

etcdctl/ctlv3/command/snapshot_command.go

@@ -20,6 +20,7 @@ import (
 	"os"
 
 	"github.com/spf13/cobra"
+	"go.etcd.io/etcd/client/pkg/v3/logutil"
 	snapshot "go.etcd.io/etcd/client/v3/snapshot"
 	"go.etcd.io/etcd/etcdutl/v3/etcdutl"
 	"go.etcd.io/etcd/pkg/v3/cobrautl"
@@ -98,7 +99,7 @@ func snapshotSaveCommandFunc(cmd *cobra.Command, args []string) {
 		cobrautl.ExitWithError(cobrautl.ExitBadArgs, err)
 	}
 
-	lg, err := zap.NewProduction()
+	lg, err := logutil.CreateDefaultZapLogger(zap.InfoLevel)
 	if err != nil {
 		cobrautl.ExitWithError(cobrautl.ExitError, err)
 	}

etcdctl/go.mod

@@ -1,6 +1,6 @@
 module go.etcd.io/etcd/etcdctl/v3
 
-go 1.16
+go 1.17
 
 require (
 	github.com/bgentry/speakeasy v0.1.0
@@ -9,18 +9,58 @@ require (
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5
 	github.com/urfave/cli v1.22.4
-	go.etcd.io/etcd/api/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/client/pkg/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/client/v2 v2.305.0-beta.3
-	go.etcd.io/etcd/client/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/etcdutl/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/pkg/v3 v3.5.0-beta.3
-	go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19
+	go.etcd.io/etcd/api/v3 v3.5.7
+	go.etcd.io/etcd/client/pkg/v3 v3.5.7
+	go.etcd.io/etcd/client/v2 v2.305.7
+	go.etcd.io/etcd/client/v3 v3.5.7
+	go.etcd.io/etcd/etcdutl/v3 v3.5.7
+	go.etcd.io/etcd/pkg/v3 v3.5.7
+	go.uber.org/zap v1.17.0
 	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba
-	google.golang.org/grpc v1.37.0
+	google.golang.org/grpc v1.41.0
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 )
 
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang-jwt/jwt/v4 v4.4.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/btree v1.0.1 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jonboulle/clockwork v0.2.2 // indirect
+	github.com/json-iterator/go v1.1.11 // indirect
+	github.com/mattn/go-runewidth v0.0.9 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/prometheus/client_golang v1.11.1 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.26.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/russross/blackfriday/v2 v2.0.1 // indirect
+	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
+	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
+	go.etcd.io/bbolt v1.3.6 // indirect
+	go.etcd.io/etcd/raft/v3 v3.5.7 // indirect
+	go.etcd.io/etcd/server/v3 v3.5.7 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.25.0 // indirect
+	go.opentelemetry.io/otel v1.0.1 // indirect
+	go.opentelemetry.io/otel/trace v1.0.1 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
+	golang.org/x/net v0.4.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.5.0 // indirect
+	google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+)
+
 replace (
 	go.etcd.io/etcd/api/v3 => ../api
 	go.etcd.io/etcd/client/pkg/v3 => ../client/pkg

etcdctl/go.sum

@@ -19,11 +19,11 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -31,6 +31,7 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQkY=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
+github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054 h1:uH66TXeswKn5PW5zdZ39xEwfS9an067BirqA+P4QaLI=
@@ -42,6 +43,8 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5 h1:xD/lrqdvwsc+O2bjSSi3YqY73Ke3LAiSCx49aCesA0E=
 github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5/go.mod h1:h6jFvWxBdQXxjopDMZyH2UVceIRfR84bdzbkoKrsWNo=
 github.com/cockroachdb/errors v1.2.4 h1:Lap807SXTH5tri2TivECb/4abUkMZC9zRoLarvcKDqs=
@@ -54,8 +57,8 @@ github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmf
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
-github.com/coreos/go-systemd/v22 v22.3.1 h1:7OO2CXWMYNDdaAzP51t4lCCZWwpQHmvPbm9sxWjm3So=
-github.com/coreos/go-systemd/v22 v22.3.1/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.3.2 h1:D9/bQk5vlXQFZ6Kwuu6zaiXJ9oTPe68++AzAJc1DzSI=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
@@ -74,11 +77,11 @@ github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.m
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
+github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
-github.com/form3tech-oss/jwt-go v3.2.3+incompatible h1:7ZaBxOI7TMoYBfyA3cQHErNNyAWIKUMIwqxEtgHOs5c=
-github.com/form3tech-oss/jwt-go v3.2.3+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/getsentry/raven-go v0.2.0 h1:no+xWJRb5ZI7eE8TWgIq1jLulQiIoLG0IfYxv5JYMGs=
 github.com/getsentry/raven-go v0.2.0/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ=
@@ -86,8 +89,10 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
+github.com/go-kit/log v0.1.0/go.mod h1:zbhenjAZHb184qTLMA9ZjW7ThYL0H2mk7Q6pNt4vbaY=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
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@@ -95,6 +100,8 @@ github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zV
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@@ -118,15 +125,18 @@ github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx
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@@ -168,18 +178,21 @@ github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANyt
 github.com/jonboulle/clockwork v0.1.0/go.mod h1:Ii8DK3G1RaLaWxj9trq07+26W01tbo22gdxWY5EU2bo=
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 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
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@@ -210,6 +223,7 @@ github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lN
 github.com/modern-go/reflect2 v1.0.1 h1:9f412s+6RmYXLWZSEzVVgPGK7C2PphHj5RJrvfx9AWI=
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 github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
@@ -226,8 +240,9 @@ github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndr
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
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@@ -236,15 +251,15 @@ github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6T
 github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
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@@ -257,6 +272,7 @@ github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5I
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@@ -289,39 +305,33 @@ github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5
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-go.etcd.io/bbolt v1.3.6-0.20210426205525-9c92be978ae0 h1:FPuyGXkE6qPKJ71PyS0sdXuxUvYGXAXxV0XHpx0qjHE=
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 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -329,8 +339,9 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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@@ -344,14 +355,17 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
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@@ -368,10 +382,16 @@ golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR
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@@ -384,6 +404,9 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -400,17 +423,36 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
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 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM=
+golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiTs/Igowgfkj25AcZrtiE=
@@ -433,12 +475,13 @@ golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
-golang.org/x/tools v0.0.0-20210106214847-113979e3529a h1:CB3a9Nez8M13wwlr/E2YtwoU+qYHKfC+JrDa45RXXoQ=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -465,8 +508,9 @@ google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBr
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c h1:wtujag7C+4D6KMoulW9YauvK2lgdvCMS260jsqqBXr0=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
@@ -476,8 +520,11 @@ google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.37.0 h1:uSZWeQJX5j11bIQ4AJoj+McDBo29cY1MCoC1wO3ts+c=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
+google.golang.org/grpc v1.41.0 h1:f+PlOh7QV4iIJkPrx5NQ7qaNGFQ3OTse67yaDHfju4E=
+google.golang.org/grpc v1.41.0/go.mod h1:U3l9uK9J0sini8mHphKoXyaqDA/8VyGnDee1zzIUK6k=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -488,8 +535,9 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -507,10 +555,12 @@ gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

etcdutl/etcdutl/backup_command.go

@@ -114,7 +114,7 @@ func HandleBackup(withV3 bool, srcDir string, destDir string, srcWAL string, des
 		destWAL = datadir.ToWalDir(destDir)
 	}
 
-	if err := fileutil.CreateDirAll(destSnap); err != nil {
+	if err := fileutil.CreateDirAll(lg, destSnap); err != nil {
 		lg.Fatal("failed creating backup snapshot dir", zap.String("dest-snap", destSnap), zap.Error(err))
 	}
 
@@ -319,10 +319,10 @@ func saveDB(lg *zap.Logger, destDB, srcDB string, idx uint64, term uint64, desir
 
 	if !v3 {
 		tx := be.BatchTx()
-		tx.Lock()
+		tx.LockOutsideApply()
 		defer tx.Unlock()
 		cindex.UnsafeCreateMetaBucket(tx)
-		cindex.UnsafeUpdateConsistentIndex(tx, idx, term, false)
+		cindex.UnsafeUpdateConsistentIndex(tx, idx, term)
 	} else {
 		// Thanks to translateWAL not moving entries, but just replacing them with
 		// 'empty', there is no need to update the consistency index.

etcdutl/etcdutl/common.go

@@ -15,13 +15,14 @@
 package etcdutl
 
 import (
+	"go.etcd.io/etcd/client/pkg/v3/logutil"
 	"go.etcd.io/etcd/pkg/v3/cobrautl"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 )
 
 func GetLogger() *zap.Logger {
-	config := zap.NewProductionConfig()
+	config := logutil.DefaultZapLoggerConfig
 	config.Encoding = "console"
 	config.EncoderConfig.EncodeTime = zapcore.RFC3339TimeEncoder
 	lg, err := config.Build()

etcdutl/go.mod

@@ -1,6 +1,6 @@
 module go.etcd.io/etcd/etcdutl/v3
 
-go 1.16
+go 1.17
 
 replace (
 	go.etcd.io/etcd/api/v3 => ../api
@@ -24,12 +24,50 @@ require (
 	github.com/dustin/go-humanize v1.0.0
 	github.com/olekukonko/tablewriter v0.0.5
 	github.com/spf13/cobra v1.1.3
-	go.etcd.io/bbolt v1.3.6-0.20210426205525-9c92be978ae0
-	go.etcd.io/etcd/api/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/client/pkg/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/client/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/pkg/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/raft/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/server/v3 v3.5.0-beta.3
-	go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19
+	go.etcd.io/bbolt v1.3.6
+	go.etcd.io/etcd/api/v3 v3.5.7
+	go.etcd.io/etcd/client/pkg/v3 v3.5.7
+	go.etcd.io/etcd/client/v3 v3.5.7
+	go.etcd.io/etcd/pkg/v3 v3.5.7
+	go.etcd.io/etcd/raft/v3 v3.5.7
+	go.etcd.io/etcd/server/v3 v3.5.7
+	go.uber.org/zap v1.17.0
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang-jwt/jwt/v4 v4.4.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/btree v1.0.1 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jonboulle/clockwork v0.2.2 // indirect
+	github.com/json-iterator/go v1.1.11 // indirect
+	github.com/mattn/go-runewidth v0.0.9 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/prometheus/client_golang v1.11.1 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.26.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
+	go.etcd.io/etcd/client/v2 v2.305.7 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.25.0 // indirect
+	go.opentelemetry.io/otel v1.0.1 // indirect
+	go.opentelemetry.io/otel/trace v1.0.1 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
+	golang.org/x/net v0.4.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.5.0 // indirect
+	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
+	google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c // indirect
+	google.golang.org/grpc v1.41.0 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
 )

etcdutl/go.sum

@@ -19,17 +19,18 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
+github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
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@@ -41,6 +42,8 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
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@@ -53,8 +56,8 @@ github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmf
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@@ -71,10 +74,10 @@ github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.m
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@@ -82,8 +85,10 @@ github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeME
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@@ -91,6 +96,8 @@ github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zV
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@@ -114,15 +121,18 @@ github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx
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@@ -164,18 +174,21 @@ github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANyt
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@@ -204,6 +217,7 @@ github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lN
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@@ -220,8 +234,9 @@ github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndr
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@@ -230,15 +245,15 @@ github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6T
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 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
-github.com/prometheus/procfs v0.0.8/go.mod h1:7Qr8sr6344vo1JqZ6HhLceV9o3AJ1Ff+GxbHq6oeK9A=
-github.com/prometheus/procfs v0.2.0 h1:wH4vA7pcjKuZzjF7lM8awk4fnuJO6idemZXoKnULUx4=
-github.com/prometheus/procfs v0.2.0/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4OA4YeYWdaU=
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 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
@@ -249,6 +264,7 @@ github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
+github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
 github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
@@ -279,39 +295,33 @@ github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
-go.etcd.io/bbolt v1.3.6-0.20210426205525-9c92be978ae0 h1:FPuyGXkE6qPKJ71PyS0sdXuxUvYGXAXxV0XHpx0qjHE=
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+go.etcd.io/bbolt v1.3.6 h1:/ecaJf0sk1l4l6V4awd65v2C3ILy7MSj+s/x1ADCIMU=
+go.etcd.io/bbolt v1.3.6/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
-go.opentelemetry.io/contrib v0.20.0 h1:ubFQUn0VCZ0gPwIoJfBJVpeBlyRMxu8Mm/huKWYd9p0=
-go.opentelemetry.io/contrib v0.20.0/go.mod h1:G/EtFaa6qaN7+LxqfIAT3GiZa7Wv5DTBUzl5H4LY0Kc=
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-go.opentelemetry.io/otel/oteltest v0.20.0/go.mod h1:L7bgKf9ZB7qCwT9Up7i9/pn0PWIa9FqQ2IQ8LoxiGnw=
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-go.uber.org/goleak v1.1.10 h1:z+mqJhf6ss6BSfSM671tgKyZBFPTTJM+HLxnhPC3wu0=
-go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
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-go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19 h1:040c3dLNhgFQkoojH2AMpHCy4SrvhmxdU72d9GLGGE0=
-go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19/go.mod h1:aMfIlz3TDBfB0BwTCKFU1XbEmj9zevr5S5LcBr85MXw=
+go.uber.org/zap v1.17.0 h1:MTjgFu6ZLKvY6Pvaqk97GlxNBuMpV4Hy/3P6tRGlI2U=
+go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -319,8 +329,9 @@ golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0 h1:hb9wdF1z5waM+dSIICn1l0DkLVDT3hqhhQsDNUmHPRE=
-golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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+golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 h1:kUhD7nTDoI3fVd9G4ORWrbV5NY0liEs/Jg2pv5f+bBA=
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 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -334,14 +345,17 @@ golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTk
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190409202823-959b441ac422/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
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 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20210508222113-6edffad5e616/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
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+golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
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 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -358,10 +372,16 @@ golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb h1:eBmm0M9fYhWpKZLjQUUKka/LtIxf46G4fxeEz5KJr9U=
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+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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+golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
+golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
+golang.org/x/net v0.4.0 h1:Q5QPcMlvfxFTAPV0+07Xz/MpK9NTXu2VDUuy0FeMfaU=
+golang.org/x/net v0.4.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -374,6 +394,9 @@ golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -390,17 +413,36 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200923182605-d9f96fdee20d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57 h1:F5Gozwx4I1xtr/sr/8CFbb57iKi3297KFs0QDbGN60A=
+golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
+golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.3.0/go.mod h1:q750SLmJuPmVoN1blW3UFBPREJfb1KmY3vwxfr+nFDA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM=
+golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba h1:O8mE0/t419eoIwhTFpKVkHiTs/Igowgfkj25AcZrtiE=
@@ -423,12 +465,13 @@ golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20191108193012-7d206e10da11/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
-golang.org/x/tools v0.0.0-20210106214847-113979e3529a h1:CB3a9Nez8M13wwlr/E2YtwoU+qYHKfC+JrDa45RXXoQ=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.1.2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@@ -455,8 +498,9 @@ google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBr
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
 google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c h1:wtujag7C+4D6KMoulW9YauvK2lgdvCMS260jsqqBXr0=
+google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c/go.mod h1:UODoCrxHCcBojKKwX1terBiRUaqAsFqJiF615XL43r0=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
@@ -466,8 +510,11 @@ google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
 google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.37.0 h1:uSZWeQJX5j11bIQ4AJoj+McDBo29cY1MCoC1wO3ts+c=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
+google.golang.org/grpc v1.41.0 h1:f+PlOh7QV4iIJkPrx5NQ7qaNGFQ3OTse67yaDHfju4E=
+google.golang.org/grpc v1.41.0/go.mod h1:U3l9uK9J0sini8mHphKoXyaqDA/8VyGnDee1zzIUK6k=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -478,8 +525,9 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -495,10 +543,12 @@ gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

etcdutl/snapshot/v3_snapshot.go

@@ -69,9 +69,6 @@ type Manager interface {
 
 // NewV3 returns a new snapshot Manager for v3.x snapshot.
 func NewV3(lg *zap.Logger) Manager {
-	if lg == nil {
-		lg = zap.NewExample()
-	}
 	return &v3Manager{lg: lg}
 }
 
@@ -325,7 +322,7 @@ func (s *v3Manager) copyAndVerifyDB() error {
 		return err
 	}
 
-	if err := fileutil.CreateDirAll(s.snapDir); err != nil {
+	if err := fileutil.CreateDirAll(s.lg, s.snapDir); err != nil {
 		return err
 	}
 
@@ -386,7 +383,7 @@ func (s *v3Manager) copyAndVerifyDB() error {
 //
 // TODO: This code ignores learners !!!
 func (s *v3Manager) saveWALAndSnap() (*raftpb.HardState, error) {
-	if err := fileutil.CreateDirAll(s.walDir); err != nil {
+	if err := fileutil.CreateDirAll(s.lg, s.walDir); err != nil {
 		return nil, err
 	}
 
@@ -479,6 +476,6 @@ func (s *v3Manager) updateCIndex(commit uint64, term uint64) error {
 	be := backend.NewDefaultBackend(s.outDbPath())
 	defer be.Close()
 
-	cindex.UpdateConsistentIndex(be.BatchTx(), commit, term, false)
+	cindex.UpdateConsistentIndex(be.BatchTx(), commit, term)
 	return nil
 }

go.mod

@@ -1,6 +1,6 @@
 module go.etcd.io/etcd/v3
 
-go 1.16
+go 1.17
 
 replace (
 	go.etcd.io/etcd/api/v3 => ./api
@@ -19,19 +19,74 @@ require (
 	github.com/bgentry/speakeasy v0.1.0
 	github.com/dustin/go-humanize v1.0.0
 	github.com/spf13/cobra v1.1.3
-	go.etcd.io/bbolt v1.3.6-0.20210426205525-9c92be978ae0
-	go.etcd.io/etcd/api/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/client/pkg/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/client/v2 v2.305.0-beta.3
-	go.etcd.io/etcd/client/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/etcdctl/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/etcdutl/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/pkg/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/raft/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/server/v3 v3.5.0-beta.3
-	go.etcd.io/etcd/tests/v3 v3.5.0-beta.3
-	go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19
+	go.etcd.io/bbolt v1.3.6
+	go.etcd.io/etcd/api/v3 v3.5.7
+	go.etcd.io/etcd/client/pkg/v3 v3.5.7
+	go.etcd.io/etcd/client/v2 v2.305.7
+	go.etcd.io/etcd/client/v3 v3.5.7
+	go.etcd.io/etcd/etcdctl/v3 v3.5.7
+	go.etcd.io/etcd/etcdutl/v3 v3.5.7
+	go.etcd.io/etcd/pkg/v3 v3.5.7
+	go.etcd.io/etcd/raft/v3 v3.5.7
+	go.etcd.io/etcd/server/v3 v3.5.7
+	go.etcd.io/etcd/tests/v3 v3.5.7
+	go.uber.org/zap v1.17.0
 	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba
-	google.golang.org/grpc v1.37.0
+	google.golang.org/grpc v1.41.0
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 )
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cenkalti/backoff/v4 v4.1.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/cockroachdb/datadriven v1.0.1-0.20220214170620-9913f5bc19b7 // indirect
+	github.com/cockroachdb/errors v1.9.0 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang-jwt/jwt/v4 v4.4.2 // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/btree v1.0.1 // indirect
+	github.com/gorilla/websocket v1.4.2 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
+	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jonboulle/clockwork v0.2.2 // indirect
+	github.com/json-iterator/go v1.1.11 // indirect
+	github.com/mattn/go-colorable v0.1.11 // indirect
+	github.com/mattn/go-runewidth v0.0.9 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/prometheus/client_golang v1.11.1 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.26.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	github.com/sirupsen/logrus v1.7.0 // indirect
+	github.com/soheilhy/cmux v0.1.5 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/tmc/grpc-websocket-proxy v0.0.0-20201229170055-e5319fda7802 // indirect
+	github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 // indirect
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.25.0 // indirect
+	go.opentelemetry.io/otel v1.0.1 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.0.1 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.0.1 // indirect
+	go.opentelemetry.io/otel/sdk v1.0.1 // indirect
+	go.opentelemetry.io/otel/trace v1.0.1 // indirect
+	go.opentelemetry.io/proto/otlp v0.9.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 // indirect
+	golang.org/x/net v0.4.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.5.0 // indirect
+	google.golang.org/genproto v0.0.0-20210624195500-8bfb893ecb84 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	sigs.k8s.io/yaml v1.2.0 // indirect
+)

go.sum

@@ -12,20 +12,30 @@ cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqCl
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/CloudyKit/fastprinter v0.0.0-20170127035650-74b38d55f37a/go.mod h1:EFZQ978U7x8IRnstaskI3IysnWY5Ao3QgZUKOXlsAdw=
+github.com/CloudyKit/fastprinter v0.0.0-20200109182630-33d98a066a53/go.mod h1:+3IMCy2vIlbG1XG/0ggNQv0SvxCAIpPM5b1nCz56Xno=
+github.com/CloudyKit/jet v2.1.3-0.20180809161101-62edd43e4f88+incompatible/go.mod h1:HPYO+50pSWkPoj9Q/eq0aRGByCL6ScRlUmiEX5Zgm+w=
+github.com/CloudyKit/jet/v3 v3.0.0/go.mod h1:HKQPgSJmdK8hdoAbKUUWajkHyHo4RaU5rMdUywE7VMo=
+github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
+github.com/Joker/jade v1.0.1-0.20190614124447-d475f43051e7/go.mod h1:6E6s8o2AE4KhCrqr6GRJjdC/gNfTdxkIXvuGZZda2VM=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/Shopify/goreferrer v0.0.0-20181106222321-ec9c9a553398/go.mod h1:a1uqRtAwp2Xwc6WNPJEufxJ7fx3npB4UV/JOLmbu5I0=
+github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
+github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/benbjohnson/clock v1.0.3 h1:vkLuvpK4fmtSCuo60+yC63p7y0BmQ8gm5ZXGuBCJyXg=
-github.com/benbjohnson/clock v1.0.3/go.mod h1:bGMdMPoPVvcYyt1gHDf4J2KE153Yf9BuiUKYMaxlTDM=
+github.com/aymerick/raymond v2.0.3-0.20180322193309-b565731e1464+incompatible/go.mod h1:osfaiScAUVup+UC9Nfq76eWqDhXlp+4UYaA8uhTBO6g=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -33,9 +43,10 @@ github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6r
 github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQkY=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
+github.com/cenkalti/backoff/v4 v4.1.1 h1:G2HAfAmvm/GcKan2oOQpBXOd2tT2G57ZnZGWa1PxPBQ=
+github.com/cenkalti/backoff/v4 v4.1.1/go.mod h1:scbssz8iZGpm3xbr14ovlUdkxfGXNInqkPWOWmG2CLw=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
-github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054 h1:uH66TXeswKn5PW5zdZ39xEwfS9an067BirqA+P4QaLI=
 github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/cespare/xxhash v1.1.0 h1:a6HrQnmkObjyL+Gs60czilIUGqrzKutQD6XZog3p+ko=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
@@ -44,21 +55,37 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5 h1:xD/lrqdvwsc+O2bjSSi3YqY73Ke3LAiSCx49aCesA0E=
+github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5/go.mod h1:h6jFvWxBdQXxjopDMZyH2UVceIRfR84bdzbkoKrsWNo=
-github.com/cockroachdb/errors v1.2.4 h1:Lap807SXTH5tri2TivECb/4abUkMZC9zRoLarvcKDqs=
+github.com/cockroachdb/datadriven v1.0.1-0.20211007161720-b558070c3be0/go.mod h1:5Ib8Meh+jk1RlHIXej6Pzevx/NLlNvQB9pmSBZErGA4=
+github.com/cockroachdb/datadriven v1.0.1-0.20220214170620-9913f5bc19b7 h1:GCR5egmFNSTyGOv9IvMh636aELybEhZOlpPlW2NtuiU=
+github.com/cockroachdb/datadriven v1.0.1-0.20220214170620-9913f5bc19b7/go.mod h1:hi0MtSY3AYDQNDi83kDkMH5/yqM/CsIrsOITkSoH7KI=
 github.com/cockroachdb/errors v1.2.4/go.mod h1:rQD95gz6FARkaKkQXUksEje/d9a6wBJoCr5oaCLELYA=
-github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f h1:o/kfcElHqOiXqcou5a3rIlMc7oJbMQkeLk0VQJ7zgqY=
+github.com/cockroachdb/errors v1.6.1/go.mod h1:tm6FTP5G81vwJ5lC0SizQo374JNCOPrHyXGitRJoDqM=
+github.com/cockroachdb/errors v1.8.8/go.mod h1:z6VnEL3hZ/2ONZEvG7S5Ym0bU2AqPcEKnIiA1wbsSu0=
+github.com/cockroachdb/errors v1.9.0 h1:B48dYem5SlAY7iU8AKsgedb4gH6mo+bDkbtLIvM/a88=
+github.com/cockroachdb/errors v1.9.0/go.mod h1:vaNcEYYqbIqB5JhKBhFV9CneUqeuEbB2OYJBK4GBNYQ=
 github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f/go.mod h1:i/u985jwjWRlyHXQbwatDASoW0RMlZ/3i9yJHE2xLkI=
+github.com/cockroachdb/logtags v0.0.0-20211118104740-dabe8e521a4f h1:6jduT9Hfc0njg5jJ1DdKCFPdMBrp/mdZfCpa5h+WM74=
+github.com/cockroachdb/logtags v0.0.0-20211118104740-dabe8e521a4f/go.mod h1:Vz9DsVWQQhf3vs21MhPMZpMGSht7O/2vFW2xusFUVOs=
+github.com/cockroachdb/redact v1.1.3 h1:AKZds10rFSIj7qADf0g46UixK8NNLwWTNdCIGS5wfSQ=
+github.com/cockroachdb/redact v1.1.3/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZZ2lK+dpvRg=
+github.com/cockroachdb/sentry-go v0.6.1-cockroachdb.2/go.mod h1:8BT+cPK6xvFOcRlk0R8eg+OTkcqI6baNH4xAkpiYVvQ=
+github.com/codegangsta/inject v0.0.0-20150114235600-33e0aa1cb7c0/go.mod h1:4Zcjuz89kmFXt9morQgcfYZAYZ5n8WHjt81YYWIwtTM=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
+github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
+github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e h1:Wf6HqHfScWJN9/ZjdUKyjop4mf3Qdd+1TvvltAvM3m8=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
-github.com/coreos/go-systemd/v22 v22.3.1 h1:7OO2CXWMYNDdaAzP51t4lCCZWwpQHmvPbm9sxWjm3So=
-github.com/coreos/go-systemd/v22 v22.3.1/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.3.2 h1:D9/bQk5vlXQFZ6Kwuu6zaiXJ9oTPe68++AzAJc1DzSI=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
+github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
@@ -66,37 +93,65 @@ github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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@@ -161,6 +223,7 @@ github.com/hashicorp/go-sockaddr v1.0.0/go.mod h1:7Xibr9yA9JjQq1JpNB2Vw7kxv8xerX
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@@ -447,12 +660,14 @@ golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgw
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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@@ -468,6 +683,7 @@ google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3I=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
+google.golang.org/genproto v0.0.0-20180518175338-11a468237815/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
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@@ -479,8 +695,11 @@ google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBr
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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@@ -490,8 +709,11 @@ google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
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@@ -502,8 +724,9 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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@@ -512,10 +735,16 @@ gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8
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 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -523,10 +752,13 @@ gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20191120175047-4206685974f2/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

nsswitch.conf

@@ -0,0 +1,22 @@
+# /etc/nsswitch.conf
+#
+# Example configuration of GNU Name Service Switch functionality.
+# If you have the `glibc-doc-reference' and `info' packages installed, try:
+# `info libc "Name Service Switch"' for information about this file.
+
+passwd:         compat
+group:          compat
+shadow:         compat
+gshadow:        files
+
+hosts:          files dns
+networks:       files
+
+protocols:      db files
+services:       db files
+ethers:         db files
+rpc:            db files
+
+netgroup:       nis
+hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
+

pkg/expect/expect.go

@@ -25,6 +25,7 @@ import (
 	"strings"
 	"sync"
 	"syscall"
+	"time"
 
 	"github.com/creack/pty"
 )
@@ -36,7 +37,6 @@ type ExpectProcess struct {
 	fpty *os.File
 	wg   sync.WaitGroup
 
-	cond  *sync.Cond // for broadcasting updates are available
 	mu    sync.Mutex // protects lines and err
 	lines []string
 	count int // increment whenever new line gets added
@@ -60,7 +60,6 @@ func NewExpectWithEnv(name string, args []string, env []string) (ep *ExpectProce
 		cmd:        cmd,
 		StopSignal: syscall.SIGKILL,
 	}
-	ep.cond = sync.NewCond(&ep.mu)
 	ep.cmd.Stderr = ep.cmd.Stdout
 	ep.cmd.Stdin = nil
 
@@ -77,52 +76,56 @@ func (ep *ExpectProcess) read() {
 	defer ep.wg.Done()
 	printDebugLines := os.Getenv("EXPECT_DEBUG") != ""
 	r := bufio.NewReader(ep.fpty)
-	for ep.err == nil {
-		l, rerr := r.ReadString('\n')
+	for {
+		l, err := r.ReadString('\n')
 		ep.mu.Lock()
-		ep.err = rerr
 		if l != "" {
 			if printDebugLines {
 				fmt.Printf("%s-%d: %s", ep.cmd.Path, ep.cmd.Process.Pid, l)
 			}
 			ep.lines = append(ep.lines, l)
 			ep.count++
-			if len(ep.lines) == 1 {
-				ep.cond.Signal()
-			}
+		}
+		if err != nil {
+			ep.err = err
+			ep.mu.Unlock()
+			break
 		}
 		ep.mu.Unlock()
 	}
-	ep.cond.Signal()
 }
 
 // ExpectFunc returns the first line satisfying the function f.
 func (ep *ExpectProcess) ExpectFunc(f func(string) bool) (string, error) {
-	lastLinesBuffer := make([]string, 0)
+	i := 0
 
-	ep.mu.Lock()
 	for {
-		for len(ep.lines) == 0 && ep.err == nil {
-			ep.cond.Wait()
+		ep.mu.Lock()
+		for i < len(ep.lines) {
+			line := ep.lines[i]
+			i++
+			if f(line) {
+				ep.mu.Unlock()
+				return line, nil
+			}
 		}
-		if len(ep.lines) == 0 {
+		if ep.err != nil {
+			ep.mu.Unlock()
 			break
 		}
-		l := ep.lines[0]
-		ep.lines = ep.lines[1:]
-		lastLinesBuffer = append(lastLinesBuffer, l)
-		if l := len(lastLinesBuffer); l > DEBUG_LINES_TAIL {
-			lastLinesBuffer = lastLinesBuffer[l-DEBUG_LINES_TAIL : l-1]
-		}
-		if f(l) {
-			ep.mu.Unlock()
-			return l, nil
-		}
+		ep.mu.Unlock()
+		time.Sleep(time.Millisecond * 100)
 	}
+	ep.mu.Lock()
+	lastLinesIndex := len(ep.lines) - DEBUG_LINES_TAIL
+	if lastLinesIndex < 0 {
+		lastLinesIndex = 0
+	}
+	lastLines := strings.Join(ep.lines[lastLinesIndex:], "")
 	ep.mu.Unlock()
 	return "", fmt.Errorf("match not found."+
 		" Set EXPECT_DEBUG for more info Err: %v, last lines:\n%s",
-		ep.err, strings.Join(lastLinesBuffer, ""))
+		ep.err, lastLines)
 }
 
 // Expect returns the first line containing the given string.
@@ -189,3 +192,9 @@ func (ep *ExpectProcess) ProcessError() error {
 	}
 	return ep.err
 }
+
+func (ep *ExpectProcess) Lines() []string {
+	ep.mu.Lock()
+	defer ep.mu.Unlock()
+	return ep.lines
+}

pkg/flags/uint32.go

@@ -0,0 +1,45 @@
+// Copyright 2022 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package flags
+
+import (
+	"flag"
+	"strconv"
+)
+
+type uint32Value uint32
+
+// NewUint32Value creates an uint32 instance with the provided value.
+func NewUint32Value(v uint32) *uint32Value {
+	val := new(uint32Value)
+	*val = uint32Value(v)
+	return val
+}
+
+// Set parses a command line uint32 value.
+// Implements "flag.Value" interface.
+func (i *uint32Value) Set(s string) error {
+	v, err := strconv.ParseUint(s, 0, 32)
+	*i = uint32Value(v)
+	return err
+}
+
+func (i *uint32Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
+
+// Uint32FromFlag return the uint32 value of a flag with the given name
+func Uint32FromFlag(fs *flag.FlagSet, name string) uint32 {
+	val := *fs.Lookup(name).Value.(*uint32Value)
+	return uint32(val)
+}

pkg/flags/uint32_test.go

@@ -0,0 +1,111 @@
+// Copyright 2022 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package flags
+
+import (
+	"flag"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestUint32Value(t *testing.T) {
+	cases := []struct {
+		name        string
+		s           string
+		expectedVal uint32
+		expectError bool
+	}{
+		{
+			name:        "normal uint32 value",
+			s:           "200",
+			expectedVal: 200,
+		},
+		{
+			name:        "zero value",
+			s:           "0",
+			expectedVal: 0,
+		},
+		{
+			name:        "negative int value",
+			s:           "-200",
+			expectError: true,
+		},
+		{
+			name:        "invalid integer value",
+			s:           "invalid",
+			expectError: true,
+		},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			var val uint32Value
+			err := val.Set(tc.s)
+
+			if tc.expectError {
+				if err == nil {
+					t.Errorf("Expected failure on parsing uint32 value from %s", tc.s)
+				}
+			} else {
+				if err != nil {
+					t.Errorf("Unexpected error when parsing %s: %v", tc.s, err)
+				}
+				assert.Equal(t, uint32(val), tc.expectedVal)
+			}
+		})
+	}
+}
+
+func TestUint32FromFlag(t *testing.T) {
+	const flagName = "max-concurrent-streams"
+
+	cases := []struct {
+		name        string
+		defaultVal  uint32
+		arguments   []string
+		expectedVal uint32
+	}{
+		{
+			name:        "only default value",
+			defaultVal:  15,
+			arguments:   []string{},
+			expectedVal: 15,
+		},
+		{
+			name:        "argument has different value from the default one",
+			defaultVal:  16,
+			arguments:   []string{"--max-concurrent-streams", "200"},
+			expectedVal: 200,
+		},
+		{
+			name:        "argument has the same value from the default one",
+			defaultVal:  105,
+			arguments:   []string{"--max-concurrent-streams", "105"},
+			expectedVal: 105,
+		},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			fs := flag.NewFlagSet("etcd", flag.ContinueOnError)
+			fs.Var(NewUint32Value(tc.defaultVal), flagName, "Maximum concurrent streams that each client can open at a time.")
+			if err := fs.Parse(tc.arguments); err != nil {
+				t.Fatalf("Unexpected error: %v\n", err)
+			}
+			actualMaxStream := Uint32FromFlag(fs, flagName)
+			assert.Equal(t, actualMaxStream, tc.expectedVal)
+		})
+	}
+}

pkg/go.mod

@@ -1,17 +1,31 @@
 module go.etcd.io/etcd/pkg/v3
 
-go 1.16
+go 1.17
 
 require (
 	github.com/creack/pty v1.1.11
 	github.com/dustin/go-humanize v1.0.0
-	github.com/golang/protobuf v1.5.1 // indirect
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.0
-	go.etcd.io/etcd/client/pkg/v3 v3.5.0-beta.3
-	go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19
-	google.golang.org/grpc v1.37.0
+	go.etcd.io/etcd/client/pkg/v3 v3.5.7
+	go.uber.org/zap v1.17.0
+	google.golang.org/grpc v1.41.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/golang/protobuf v1.5.1 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	golang.org/x/net v0.0.0-20200822124328-c89045814202 // indirect
+	golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57 // indirect
+	golang.org/x/text v0.3.2 // indirect
+	google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
 
 replace (

pkg/go.sum

@@ -16,6 +16,7 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
@@ -25,13 +26,16 @@ github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kB
 github.com/bketelsen/crypt v0.0.3-0.20200106085610-5cbc8cc4026c/go.mod h1:MKsuJmJgSg28kpZDP6UIiPt0e0Oz0kqKNGyRaWEPv84=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
+github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
-github.com/coreos/go-systemd/v22 v22.3.1/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.11 h1:07n33Z8lZxZ2qwegKbObQohDhXDQxiMMz1NOUGYlesw=
@@ -45,7 +49,9 @@ github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
+github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@@ -66,6 +72,7 @@ github.com/golang/mock v1.3.1/go.mod h1:sBzyDLLjw3U8JLTeZvSv8jJB+tU5PVekmnlKIyFU
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
 github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
 github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
@@ -73,6 +80,7 @@ github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:W
 github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
 github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
 github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
+github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.1 h1:jAbXjIeW2ZSW2AwFxlGTDoc2CjI2XujLkV3ArsZFCvc=
 github.com/golang/protobuf v1.5.1/go.mod h1:DopwsBzvsk0Fs44TXzsVbJyPhcCPeIwnvohx4u74HPM=
@@ -97,6 +105,7 @@ github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.0/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/grpc-gateway v1.9.0/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY=
+github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 github.com/hashicorp/consul/api v1.1.0/go.mod h1:VmuI/Lkw1nC05EYQWNKwWGbkg+FbDBtguAZLlVdkD9Q=
 github.com/hashicorp/consul/sdk v0.1.1/go.mod h1:VKf9jXwCTEY1QZP2MOLRhb5i/I/ssyNV1vwHyQBF0x8=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
@@ -169,6 +178,7 @@ github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R
 github.com/prometheus/procfs v0.0.0-20190507164030-5867b95ac084/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
 github.com/prometheus/tsdb v0.7.1/go.mod h1:qhTCs0VvXwvX/y3TZrWD7rabWM+ijKTux40TwIPHuXU=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
+github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
 github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
@@ -192,7 +202,6 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
@@ -202,6 +211,7 @@ github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
+go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
@@ -209,13 +219,14 @@ go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/
 go.uber.org/multierr v1.6.0 h1:y6IPFStTAIT5Ytl7/XYmHvzXQ7S3g/IeZW9hyZ5thw4=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19 h1:040c3dLNhgFQkoojH2AMpHCy4SrvhmxdU72d9GLGGE0=
-go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19/go.mod h1:aMfIlz3TDBfB0BwTCKFU1XbEmj9zevr5S5LcBr85MXw=
+go.uber.org/zap v1.17.0 h1:MTjgFu6ZLKvY6Pvaqk97GlxNBuMpV4Hy/3P6tRGlI2U=
+go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -247,11 +258,13 @@ golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859 h1:R/3boaszxrf1GEUWTVDzSKVwLmSJpwZ1yqXm8j0v2QI=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up98WAHf3f/ulnJ62IyA=
+golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -270,6 +283,7 @@ golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57 h1:F5Gozwx4I1xtr/sr/8CFbb57iKi3297KFs0QDbGN60A=
 golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -297,8 +311,9 @@ golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191012152004-8de300cfc20a/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191112195655-aa38f8e97acc/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
@@ -317,6 +332,7 @@ google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
 google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
+google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -325,8 +341,10 @@ google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ij
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.37.0 h1:uSZWeQJX5j11bIQ4AJoj+McDBo29cY1MCoC1wO3ts+c=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
+google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.41.0 h1:f+PlOh7QV4iIJkPrx5NQ7qaNGFQ3OTse67yaDHfju4E=
+google.golang.org/grpc v1.41.0/go.mod h1:U3l9uK9J0sini8mHphKoXyaqDA/8VyGnDee1zzIUK6k=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -349,11 +367,14 @@ gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

pkg/grpc_testing/recorder.go

@@ -0,0 +1,69 @@
+// Copyright 2021 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package grpc_testing
+
+import (
+	"context"
+	"sync"
+
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/metadata"
+)
+
+type GrpcRecorder struct {
+	mux      sync.RWMutex
+	requests []RequestInfo
+}
+
+type RequestInfo struct {
+	FullMethod string
+	Authority  string
+}
+
+func (ri *GrpcRecorder) UnaryInterceptor() grpc.UnaryServerInterceptor {
+	return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+		ri.record(toRequestInfo(ctx, info))
+		resp, err := handler(ctx, req)
+		return resp, err
+	}
+}
+
+func (ri *GrpcRecorder) RecordedRequests() []RequestInfo {
+	ri.mux.RLock()
+	defer ri.mux.RUnlock()
+	reqs := make([]RequestInfo, len(ri.requests))
+	copy(reqs, ri.requests)
+	return reqs
+}
+
+func toRequestInfo(ctx context.Context, info *grpc.UnaryServerInfo) RequestInfo {
+	req := RequestInfo{
+		FullMethod: info.FullMethod,
+	}
+	md, ok := metadata.FromIncomingContext(ctx)
+	if ok {
+		as := md.Get(":authority")
+		if len(as) != 0 {
+			req.Authority = as[0]
+		}
+	}
+	return req
+}
+
+func (ri *GrpcRecorder) record(r RequestInfo) {
+	ri.mux.Lock()
+	defer ri.mux.Unlock()
+	ri.requests = append(ri.requests, r)
+}

pkg/netutil/netutil.go

@@ -148,20 +148,31 @@ func urlsEqual(ctx context.Context, lg *zap.Logger, a []url.URL, b []url.URL) (b
 	if len(a) != len(b) {
 		return false, fmt.Errorf("len(%q) != len(%q)", urlsToStrings(a), urlsToStrings(b))
 	}
+
+	sort.Sort(types.URLs(a))
+	sort.Sort(types.URLs(b))
+	var needResolve bool
+	for i := range a {
+		if !reflect.DeepEqual(a[i], b[i]) {
+			needResolve = true
+			break
+		}
+	}
+	if !needResolve {
+		return true, nil
+	}
+
+	// If URLs are not equal, try to resolve it and compare again.
 	urls, err := resolveTCPAddrs(ctx, lg, [][]url.URL{a, b})
 	if err != nil {
 		return false, err
 	}
-	preva, prevb := a, b
 	a, b = urls[0], urls[1]
 	sort.Sort(types.URLs(a))
 	sort.Sort(types.URLs(b))
 	for i := range a {
 		if !reflect.DeepEqual(a[i], b[i]) {
-			return false, fmt.Errorf("%q(resolved from %q) != %q(resolved from %q)",
-				a[i].String(), preva[i].String(),
-				b[i].String(), prevb[i].String(),
-			)
+			return false, fmt.Errorf("resolved urls: %q != %q", a[i].String(), b[i].String())
 		}
 	}
 	return true, nil
@@ -174,27 +185,13 @@ func URLStringsEqual(ctx context.Context, lg *zap.Logger, a []string, b []string
 	if len(a) != len(b) {
 		return false, fmt.Errorf("len(%q) != len(%q)", a, b)
 	}
-	urlsA := make([]url.URL, 0)
-	for _, str := range a {
-		u, err := url.Parse(str)
-		if err != nil {
-			return false, fmt.Errorf("failed to parse %q", str)
-		}
-		urlsA = append(urlsA, *u)
+	urlsA, err := stringsToURLs(a)
+	if err != nil {
+		return false, err
 	}
-	urlsB := make([]url.URL, 0)
-	for _, str := range b {
-		u, err := url.Parse(str)
-		if err != nil {
-			return false, fmt.Errorf("failed to parse %q", str)
-		}
-		urlsB = append(urlsB, *u)
-	}
-	if lg == nil {
-		lg, _ = zap.NewProduction()
-		if lg == nil {
-			lg = zap.NewExample()
-		}
+	urlsB, err := stringsToURLs(b)
+	if err != nil {
+		return false, err
 	}
 	return urlsEqual(ctx, lg, urlsA, urlsB)
 }
@@ -207,6 +204,18 @@ func urlsToStrings(us []url.URL) []string {
 	return rs
 }
 
+func stringsToURLs(us []string) ([]url.URL, error) {
+	urls := make([]url.URL, 0, len(us))
+	for _, str := range us {
+		u, err := url.Parse(str)
+		if err != nil {
+			return nil, fmt.Errorf("failed to parse string to URL: %q", str)
+		}
+		urls = append(urls, *u)
+	}
+	return urls, nil
+}
+
 func IsNetworkTimeoutError(err error) bool {
 	nerr, ok := err.(net.Error)
 	return ok && nerr.Timeout()

pkg/netutil/netutil_test.go

@@ -17,6 +17,7 @@ package netutil
 import (
 	"context"
 	"errors"
+	"fmt"
 	"net"
 	"net/url"
 	"reflect"
@@ -166,113 +167,133 @@ func TestURLsEqual(t *testing.T) {
 	}
 
 	tests := []struct {
+		n      int
 		a      []url.URL
 		b      []url.URL
 		expect bool
 		err    error
 	}{
 		{
+			n:      0,
 			a:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2379"}},
 			b:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2379"}},
 			expect: true,
 		},
 		{
+			n:      1,
 			a:      []url.URL{{Scheme: "http", Host: "example.com:2379"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.10.1:2379"}},
 			expect: true,
 		},
 		{
+			n:      2,
 			a:      []url.URL{{Scheme: "http", Host: "example.com:2379"}},
 			b:      []url.URL{{Scheme: "https", Host: "10.0.10.1:2379"}},
 			expect: false,
-			err:    errors.New(`"http://10.0.10.1:2379"(resolved from "http://example.com:2379") != "https://10.0.10.1:2379"(resolved from "https://10.0.10.1:2379")`),
+			err:    errors.New(`resolved urls: "http://10.0.10.1:2379" != "https://10.0.10.1:2379"`),
 		},
 		{
+			n:      3,
 			a:      []url.URL{{Scheme: "https", Host: "example.com:2379"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.10.1:2379"}},
 			expect: false,
-			err:    errors.New(`"https://10.0.10.1:2379"(resolved from "https://example.com:2379") != "http://10.0.10.1:2379"(resolved from "http://10.0.10.1:2379")`),
+			err:    errors.New(`resolved urls: "https://10.0.10.1:2379" != "http://10.0.10.1:2379"`),
 		},
 		{
+			n:      4,
 			a:      []url.URL{{Scheme: "unix", Host: "abc:2379"}},
 			b:      []url.URL{{Scheme: "unix", Host: "abc:2379"}},
 			expect: true,
 		},
 		{
+			n:      5,
 			a:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			b:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			expect: true,
 		},
 		{
+			n:      6,
 			a:      []url.URL{{Scheme: "http", Host: "example.com:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			b:      []url.URL{{Scheme: "http", Host: "example.com:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			expect: true,
 		},
 		{
+			n:      7,
 			a:      []url.URL{{Scheme: "http", Host: "10.0.10.1:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			b:      []url.URL{{Scheme: "http", Host: "example.com:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			expect: true,
 		},
 		{
+			n:      8,
 			a:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2379"}},
 			b:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2380"}},
 			expect: false,
-			err:    errors.New(`"http://127.0.0.1:2379"(resolved from "http://127.0.0.1:2379") != "http://127.0.0.1:2380"(resolved from "http://127.0.0.1:2380")`),
+			err:    errors.New(`resolved urls: "http://127.0.0.1:2379" != "http://127.0.0.1:2380"`),
 		},
 		{
+			n:      9,
 			a:      []url.URL{{Scheme: "http", Host: "example.com:2380"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.10.1:2379"}},
 			expect: false,
-			err:    errors.New(`"http://10.0.10.1:2380"(resolved from "http://example.com:2380") != "http://10.0.10.1:2379"(resolved from "http://10.0.10.1:2379")`),
+			err:    errors.New(`resolved urls: "http://10.0.10.1:2380" != "http://10.0.10.1:2379"`),
 		},
 		{
+			n:      10,
 			a:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2379"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.0.1:2379"}},
 			expect: false,
-			err:    errors.New(`"http://127.0.0.1:2379"(resolved from "http://127.0.0.1:2379") != "http://10.0.0.1:2379"(resolved from "http://10.0.0.1:2379")`),
+			err:    errors.New(`resolved urls: "http://127.0.0.1:2379" != "http://10.0.0.1:2379"`),
 		},
 		{
+			n:      11,
 			a:      []url.URL{{Scheme: "http", Host: "example.com:2379"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.0.1:2379"}},
 			expect: false,
-			err:    errors.New(`"http://10.0.10.1:2379"(resolved from "http://example.com:2379") != "http://10.0.0.1:2379"(resolved from "http://10.0.0.1:2379")`),
+			err:    errors.New(`resolved urls: "http://10.0.10.1:2379" != "http://10.0.0.1:2379"`),
 		},
 		{
+			n:      12,
 			a:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			b:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2380"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			expect: false,
-			err:    errors.New(`"http://127.0.0.1:2379"(resolved from "http://127.0.0.1:2379") != "http://127.0.0.1:2380"(resolved from "http://127.0.0.1:2380")`),
+			err:    errors.New(`resolved urls: "http://127.0.0.1:2379" != "http://127.0.0.1:2380"`),
 		},
 		{
+			n:      13,
 			a:      []url.URL{{Scheme: "http", Host: "example.com:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			b:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2380"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			expect: false,
-			err:    errors.New(`"http://10.0.10.1:2379"(resolved from "http://example.com:2379") != "http://127.0.0.1:2380"(resolved from "http://127.0.0.1:2380")`),
+			err:    errors.New(`resolved urls: "http://10.0.10.1:2379" != "http://127.0.0.1:2380"`),
 		},
 		{
+			n:      14,
 			a:      []url.URL{{Scheme: "http", Host: "127.0.0.1:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.0.1:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			expect: false,
-			err:    errors.New(`"http://127.0.0.1:2379"(resolved from "http://127.0.0.1:2379") != "http://10.0.0.1:2379"(resolved from "http://10.0.0.1:2379")`),
+			err:    errors.New(`resolved urls: "http://127.0.0.1:2379" != "http://10.0.0.1:2379"`),
 		},
 		{
+			n:      15,
 			a:      []url.URL{{Scheme: "http", Host: "example.com:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.0.1:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			expect: false,
-			err:    errors.New(`"http://10.0.10.1:2379"(resolved from "http://example.com:2379") != "http://10.0.0.1:2379"(resolved from "http://10.0.0.1:2379")`),
+			err:    errors.New(`resolved urls: "http://10.0.10.1:2379" != "http://10.0.0.1:2379"`),
 		},
 		{
+			n:      16,
 			a:      []url.URL{{Scheme: "http", Host: "10.0.0.1:2379"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.0.1:2379"}, {Scheme: "http", Host: "127.0.0.1:2380"}},
 			expect: false,
 			err:    errors.New(`len(["http://10.0.0.1:2379"]) != len(["http://10.0.0.1:2379" "http://127.0.0.1:2380"])`),
 		},
 		{
+			n:      17,
 			a:      []url.URL{{Scheme: "http", Host: "first.com:2379"}, {Scheme: "http", Host: "second.com:2380"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.11.1:2379"}, {Scheme: "http", Host: "10.0.11.2:2380"}},
 			expect: true,
 		},
 		{
+			n:      18,
 			a:      []url.URL{{Scheme: "http", Host: "second.com:2380"}, {Scheme: "http", Host: "first.com:2379"}},
 			b:      []url.URL{{Scheme: "http", Host: "10.0.11.1:2379"}, {Scheme: "http", Host: "10.0.11.2:2380"}},
 			expect: true,
@@ -282,21 +303,43 @@ func TestURLsEqual(t *testing.T) {
 	for i, test := range tests {
 		result, err := urlsEqual(context.TODO(), zap.NewExample(), test.a, test.b)
 		if result != test.expect {
-			t.Errorf("#%d: a:%v b:%v, expected %v but %v", i, test.a, test.b, test.expect, result)
+			t.Errorf("idx=%d #%d: a:%v b:%v, expected %v but %v", i, test.n, test.a, test.b, test.expect, result)
 		}
 		if test.err != nil {
 			if err.Error() != test.err.Error() {
-				t.Errorf("#%d: err expected %v but %v", i, test.err, err)
+				t.Errorf("idx=%d #%d: err expected %v but %v", i, test.n, test.err, err)
 			}
 		}
 	}
 }
 func TestURLStringsEqual(t *testing.T) {
-	result, err := URLStringsEqual(context.TODO(), zap.NewExample(), []string{"http://127.0.0.1:8080"}, []string{"http://127.0.0.1:8080"})
-	if !result {
-		t.Errorf("unexpected result %v", result)
+	defer func() { resolveTCPAddr = resolveTCPAddrDefault }()
+	errOnResolve := func(ctx context.Context, addr string) (*net.TCPAddr, error) {
+		return nil, fmt.Errorf("unexpected attempt to resolve: %q", addr)
 	}
-	if err != nil {
-		t.Errorf("unexpected error %v", err)
+	cases := []struct {
+		urlsA    []string
+		urlsB    []string
+		resolver func(ctx context.Context, addr string) (*net.TCPAddr, error)
+	}{
+		{[]string{"http://127.0.0.1:8080"}, []string{"http://127.0.0.1:8080"}, resolveTCPAddrDefault},
+		{[]string{
+			"http://host1:8080",
+			"http://host2:8080",
+		}, []string{
+			"http://host1:8080",
+			"http://host2:8080",
+		}, errOnResolve},
+	}
+	for idx, c := range cases {
+		t.Logf("TestURLStringsEqual, case #%d", idx)
+		resolveTCPAddr = c.resolver
+		result, err := URLStringsEqual(context.TODO(), zap.NewExample(), c.urlsA, c.urlsB)
+		if !result {
+			t.Errorf("unexpected result %v", result)
+		}
+		if err != nil {
+			t.Errorf("unexpected error %v", err)
+		}
 	}
 }

pkg/proxy/server.go

@@ -37,17 +37,8 @@ var (
 	defaultDialTimeout   = 3 * time.Second
 	defaultBufferSize    = 48 * 1024
 	defaultRetryInterval = 10 * time.Millisecond
-	defaultLogger        *zap.Logger
 )
 
-func init() {
-	var err error
-	defaultLogger, err = zap.NewProduction()
-	if err != nil {
-		panic(err)
-	}
-}
-
 // Server defines proxy server layer that simulates common network faults:
 // latency spikes and packet drop or corruption. The proxy overhead is very
 // small overhead (<500μs per request). Please run tests to compute actual
@@ -240,9 +231,6 @@ func NewServer(cfg ServerConfig) Server {
 	if s.retryInterval == 0 {
 		s.retryInterval = defaultRetryInterval
 	}
-	if s.lg == nil {
-		s.lg = defaultLogger
-	}
 
 	close(s.pauseAcceptc)
 	close(s.pauseTxc)

raft/go.mod

@@ -1,14 +1,22 @@
 module go.etcd.io/etcd/raft/v3
 
-go 1.16
+go 1.17
 
 require (
-	github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054 // indirect
 	github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5
 	github.com/gogo/protobuf v1.3.2
 	github.com/golang/protobuf v1.5.2
+	go.etcd.io/etcd/client/pkg/v3 v3.5.7
+)
+
+require (
+	github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054 // indirect
+	github.com/cockroachdb/errors v1.2.4 // indirect
+	github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f // indirect
+	github.com/getsentry/raven-go v0.2.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	go.etcd.io/etcd/client/pkg/v3 v3.5.0-beta.3
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
 )
 
 // Bad imports are sometimes causing attempts to pull that code.

raft/go.sum

@@ -1,52 +1,26 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/certifi/gocertifi v0.0.0-20191021191039-0944d244cd40/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
 github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054 h1:uH66TXeswKn5PW5zdZ39xEwfS9an067BirqA+P4QaLI=
 github.com/certifi/gocertifi v0.0.0-20200922220541-2c3bb06c6054/go.mod h1:sGbDF6GwGcLpkNXPUTkMRoywsNa/ol15pxFe6ERfguA=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5 h1:xD/lrqdvwsc+O2bjSSi3YqY73Ke3LAiSCx49aCesA0E=
 github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5/go.mod h1:h6jFvWxBdQXxjopDMZyH2UVceIRfR84bdzbkoKrsWNo=
 github.com/cockroachdb/errors v1.2.4 h1:Lap807SXTH5tri2TivECb/4abUkMZC9zRoLarvcKDqs=
 github.com/cockroachdb/errors v1.2.4/go.mod h1:rQD95gz6FARkaKkQXUksEje/d9a6wBJoCr5oaCLELYA=
 github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f h1:o/kfcElHqOiXqcou5a3rIlMc7oJbMQkeLk0VQJ7zgqY=
 github.com/cockroachdb/logtags v0.0.0-20190617123548-eb05cc24525f/go.mod h1:i/u985jwjWRlyHXQbwatDASoW0RMlZ/3i9yJHE2xLkI=
-github.com/coreos/go-systemd/v22 v22.3.1/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.3.2/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/getsentry/raven-go v0.2.0 h1:no+xWJRb5ZI7eE8TWgIq1jLulQiIoLG0IfYxv5JYMGs=
 github.com/getsentry/raven-go v0.2.0/go.mod h1:KungGk8q33+aIAZUIVWZDr2OfAEBsO49PX4NzFV5kcQ=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXPKa29o=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
-github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
-github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs=
-github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w=
-github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0=
-github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8=
-github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
 github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
-github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
-github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00=
 github.com/kisielk/errcheck v1.5.0/go.mod h1:pFxgyoBC7bSaBwPgfKdkLd5X25qrDl4LWUI2bnpBCr8=
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
@@ -60,40 +34,26 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
-go.uber.org/zap v1.16.1-0.20210329175301-c23abee72d19/go.mod h1:aMfIlz3TDBfB0BwTCKFU1XbEmj9zevr5S5LcBr85MXw=
+go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
-golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
-golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
-golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -102,10 +62,6 @@ golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
-golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
@@ -114,29 +70,10 @@ golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8T
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
-google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
-google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
-google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
-google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
-google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
-google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

scripts/build-binary

@@ -79,11 +79,15 @@ function main {
       TARGET_ARCHS+=("s390x")
     fi
 
+    if [ ${GOOS} == "darwin" ]; then
+      TARGET_ARCHS+=("arm64")
+    fi
+
     for TARGET_ARCH in "${TARGET_ARCHS[@]}"; do
       export GOARCH=${TARGET_ARCH}
 
       pushd etcd >/dev/null
-      GO_LDFLAGS="-s" ./build.sh
+      GO_LDFLAGS="-s -w" ./build.sh
       popd >/dev/null
 
       TARGET="etcd-${VER}-${GOOS}-${GOARCH}"

scripts/build-docker

@@ -32,6 +32,8 @@ mkdir -p "${IMAGEDIR}"/var/etcd
 mkdir -p "${IMAGEDIR}"/var/lib/etcd
 cp "${BINARYDIR}"/etcd "${BINARYDIR}"/etcdctl "${BINARYDIR}"/etcdutl "${IMAGEDIR}"
 
+cp ./nsswitch.conf "${IMAGEDIR}"
+
 cat ./"${DOCKERFILE}" > "${IMAGEDIR}"/Dockerfile
 
 if [ -z "$TAG" ]; then

scripts/release

@@ -55,7 +55,7 @@ main() {
   RELEASE_VERSION="v${VERSION}"
   MINOR_VERSION=$(echo "${VERSION}" | cut -d. -f 1-2)
   BRANCH=${BRANCH:-"release-${MINOR_VERSION}"}
-  REPOSITORY=${REPOSITORY:-"git@github.com:etcd-io/etcd.git"}
+  REPOSITORY=${REPOSITORY:-"https://github.com/etcd-io/etcd.git"}
 
   log_warning "DRY_RUN=${DRY_RUN}"
   log_callout "RELEASE_VERSION=${RELEASE_VERSION}"
@@ -102,7 +102,7 @@ main() {
 
   # Check go version.
   local go_version current_go_version
-  go_version="go$(run_go_tool "github.com/mikefarah/yq/v3" read .travis.yml "go[0]")"
+  go_version="go$(grep go-version .github/workflows/tests.yaml | awk '{print $2}' | tr -d '"')"
   current_go_version=$(go version | awk '{ print $3 }')
   if [[ "${current_go_version}" != "${go_version}" ]]; then
     log_error "Current go version is ${current_go_version}, but etcd ${RELEASE_VERSION} requires ${go_version} (see .travis.yml)."
@@ -147,7 +147,7 @@ main() {
     fi
 
     # Push the version change if it's not already been pushed.
-    if [ "$(git rev-list --count "origin/${BRANCH}..${BRANCH}")" -gt 0 ]; then
+    if [ "$DRY_RUN" != "true" ] && [ "$(git rev-list --count "origin/${BRANCH}..${BRANCH}")" -gt 0 ]; then
       read -p "Push version bump up to ${VERSION} to '$(git remote get-url origin)' [y/N]? " -r confirm
       [[ "${confirm,,}" == "y" ]] || exit 1
       maybe_run git push
@@ -161,13 +161,6 @@ main() {
       REMOTE_REPO="origin" push_mod_tags_cmd
     fi
 
-    # Verify the latest commit has the version tag
-    local tag="$(git describe --exact-match HEAD)"
-    if [ "${tag}" != "${RELEASE_VERSION}" ]; then
-      log_error "Error: Expected HEAD to be tagged with ${RELEASE_VERSION}, but 'git describe --exact-match HEAD' reported: ${tag}"
-      exit 1
-    fi
-
     # Verify the version tag is on the right branch
     local branch=$(git for-each-ref --contains "${RELEASE_VERSION}" --format="%(refname)" 'refs/heads' | cut -d '/' -f 3)
     if [ "${branch}" != "${BRANCH}" ]; then
@@ -176,18 +169,29 @@ main() {
     fi
   fi
 
+  # Verify the latest commit has the version tag
+  # shellcheck disable=SC2155
+  local tag="$(git describe --exact-match HEAD)"
+  if [ "${tag}" != "${RELEASE_VERSION}" ]; then
+    log_error "Error: Expected HEAD to be tagged with ${RELEASE_VERSION}, but 'git describe --exact-match HEAD' reported: ${tag}"
+    exit 1
+  fi
+
+  # Verify the clean working tree
+  # shellcheck disable=SC2155
+  local diff="$(git diff HEAD --stat)"
+  if [[ "${diff}" != '' ]]; then
+    log_error "Error: Expected clean working tree, but 'git diff --stat' reported: ${diff}"
+    exit 1
+  fi
+
   # Build release.
   # TODO: check the release directory for all required build artifacts.
   if [ -d release ]; then
     log_warning "Skipping release build step. /release directory already exists."
   else
     log_callout "Building release..."
-    if ${DRY_RUN}; then
-      log_warning "In DRY_RUN mode we clone the current release directory (as there was no push)"
-      REPOSITORY=$(pwd) ./scripts/build-release.sh "${RELEASE_VERSION}"
-    else
-      REPOSITORY=${REPOSITORY} ./scripts/build-release.sh "${RELEASE_VERSION}"
-    fi
+    REPOSITORY=$(pwd) ./scripts/build-release.sh "${RELEASE_VERSION}"
   fi
 
   # Sanity checks.
@@ -263,7 +267,11 @@ main() {
 
   # Check image versions
   for IMAGE in "quay.io/coreos/etcd:${RELEASE_VERSION}" "gcr.io/etcd-development/etcd:${RELEASE_VERSION}"; do
-    local image_version=$(dry_run docker run --rm "${IMAGE}" etcd --version | grep "etcd Version" | awk -F: '{print $2}' | tr -d '[:space:]')
+    if [ "${DRY_RUN}" == "true" ] || [ "${NO_DOCKER_PUSH}" == 1 ]; then
+      IMAGE="${IMAGE}-amd64"
+    fi
+    # shellcheck disable=SC2155
+    local image_version=$(docker run --rm "${IMAGE}" etcd --version | grep "etcd Version" | awk -F: '{print $2}' | tr -d '[:space:]')
     if [ "${image_version}" != "${VERSION}" ]; then
       log_error "Check failed: etcd --version output for ${IMAGE} is incorrect: ${image_version}"
       exit 1
@@ -272,7 +280,11 @@ main() {
 
   # Check gsutil binary versions
   local BINARY_TGZ="etcd-${RELEASE_VERSION}-$(go env GOOS)-amd64.tar.gz"
-  gsutil cp "gs://etcd/${RELEASE_VERSION}/${BINARY_TGZ}" downloads
+  if [ "${DRY_RUN}" == "true" ] || [ "${NO_UPLOAD}" == 1 ]; then
+    cp "./release/${BINARY_TGZ}" downloads
+  else
+    gsutil cp "gs://etcd/${RELEASE_VERSION}/${BINARY_TGZ}" downloads
+  fi
   tar -zx -C downloads -f "downloads/${BINARY_TGZ}"
   local binary_version=$("./downloads/etcd-${RELEASE_VERSION}-$(go env GOOS)-amd64/etcd" --version | grep "etcd Version" | awk -F: '{print $2}' | tr -d '[:space:]')
   if [ "${binary_version}" != "${VERSION}" ]; then

scripts/test_lib.sh

@@ -71,7 +71,8 @@ function relativePath {
   local commonPart=$source
   local result=""
 
-  while [[ "${target#$commonPart}" == "${target}" ]]; do
+  # Refer to https://www.shellcheck.net/wiki/SC2295
+  while [[ "${target#"$commonPart"}" == "${target}" ]]; do
     # no match, means that candidate common part is not correct
     # go up one level (reduce common part)
     commonPart="$(dirname "$commonPart")"
@@ -90,7 +91,8 @@ function relativePath {
 
   # since we now have identified the common part,
   # compute the non-common part
-  local forwardPart="${target#$commonPart}"
+  # Refer to https://www.shellcheck.net/wiki/SC2295
+  local forwardPart="${target#"$commonPart"}"
 
   # and now stick all parts together
   if [[ -n $result ]] && [[ -n $forwardPart ]]; then
@@ -308,16 +310,25 @@ fi
 
 # tool_get_bin [tool] - returns absolute path to a tool binary (or returns error)
 function tool_get_bin {
-  tool_exists "gobin" "GO111MODULE=off go get github.com/myitcv/gobin" || return 2
-
   local tool="$1"
+  local pkg_part="$1"
   if [[ "$tool" == *"@"* ]]; then
+    pkg_part=$(echo "${tool}" | cut -d'@' -f1)
     # shellcheck disable=SC2086
-    run gobin ${GOBINARGS:-} -p "${tool}" || return 2
+    run go install ${GOBINARGS:-} "${tool}" || return 2
   else
     # shellcheck disable=SC2086
-    run_for_module ./tools/mod run gobin ${GOBINARGS:-} -p -m --mod=readonly "${tool}" || return 2
+    run_for_module ./tools/mod run go install ${GOBINARGS:-} "${tool}" || return 2
   fi
+
+  # remove the version suffix, such as removing "/v3" from "go.etcd.io/etcd/v3".
+  local cmd_base_name
+  cmd_base_name=$(basename "${pkg_part}")
+  if [[ ${cmd_base_name} =~ ^v[0-9]*$ ]]; then
+    pkg_part=$(dirname "${pkg_part}")
+  fi
+
+  run_for_module ./tools/mod go list -f '{{.Target}}' "${pkg_part}"
 }
 
 # tool_pkg_dir [pkg] - returns absolute path to a directory that stores given pkg.

server/auth/jwt.go

@@ -21,7 +21,7 @@ import (
 	"errors"
 	"time"
 
-	jwt "github.com/form3tech-oss/jwt-go"
+	"github.com/golang-jwt/jwt/v4"
 	"go.uber.org/zap"
 )
 

server/auth/options.go

@@ -21,7 +21,7 @@ import (
 	"io/ioutil"
 	"time"
 
-	jwt "github.com/form3tech-oss/jwt-go"
+	"github.com/golang-jwt/jwt/v4"
 )
 
 const (

server/auth/range_perm_cache.go

@@ -22,7 +22,7 @@ import (
 	"go.uber.org/zap"
 )
 
-func getMergedPerms(lg *zap.Logger, tx backend.BatchTx, userName string) *unifiedRangePermissions {
+func getMergedPerms(lg *zap.Logger, tx backend.ReadTx, userName string) *unifiedRangePermissions {
 	user := getUser(lg, tx, userName)
 	if user == nil {
 		return nil
@@ -105,34 +105,48 @@ func checkKeyPoint(lg *zap.Logger, cachedPerms *unifiedRangePermissions, key []b
 	return false
 }
 
-func (as *authStore) isRangeOpPermitted(tx backend.BatchTx, userName string, key, rangeEnd []byte, permtyp authpb.Permission_Type) bool {
-	// assumption: tx is Lock()ed
-	_, ok := as.rangePermCache[userName]
+func (as *authStore) isRangeOpPermitted(userName string, key, rangeEnd []byte, permtyp authpb.Permission_Type) bool {
+	as.rangePermCacheMu.RLock()
+	defer as.rangePermCacheMu.RUnlock()
+
+	rangePerm, ok := as.rangePermCache[userName]
 	if !ok {
+		as.lg.Error(
+			"user doesn't exist",
+			zap.String("user-name", userName),
+		)
+		return false
+	}
+
+	if len(rangeEnd) == 0 {
+		return checkKeyPoint(as.lg, rangePerm, key, permtyp)
+	}
+
+	return checkKeyInterval(as.lg, rangePerm, key, rangeEnd, permtyp)
+}
+
+func (as *authStore) refreshRangePermCache(tx backend.ReadTx) {
+	// Note that every authentication configuration update calls this method and it invalidates the entire
+	// rangePermCache and reconstruct it based on information of users and roles stored in the backend.
+	// This can be a costly operation.
+	as.rangePermCacheMu.Lock()
+	defer as.rangePermCacheMu.Unlock()
+
+	as.rangePermCache = make(map[string]*unifiedRangePermissions)
+
+	users := getAllUsers(as.lg, tx)
+	for _, user := range users {
+		userName := string(user.Name)
 		perms := getMergedPerms(as.lg, tx, userName)
 		if perms == nil {
 			as.lg.Error(
 				"failed to create a merged permission",
 				zap.String("user-name", userName),
 			)
-			return false
+			continue
 		}
 		as.rangePermCache[userName] = perms
 	}
-
-	if len(rangeEnd) == 0 {
-		return checkKeyPoint(as.lg, as.rangePermCache[userName], key, permtyp)
-	}
-
-	return checkKeyInterval(as.lg, as.rangePermCache[userName], key, rangeEnd, permtyp)
-}
-
-func (as *authStore) clearCachedPerm() {
-	as.rangePermCache = make(map[string]*unifiedRangePermissions)
-}
-
-func (as *authStore) invalidateCachedPerm(userName string) {
-	delete(as.rangePermCache, userName)
 }
 
 type unifiedRangePermissions struct {

server/auth/simple_token.go

@@ -156,6 +156,11 @@ func (t *tokenSimple) invalidateUser(username string) {
 }
 
 func (t *tokenSimple) enable() {
+	t.simpleTokensMu.Lock()
+	defer t.simpleTokensMu.Unlock()
+	if t.simpleTokenKeeper != nil { // already enabled
+		return
+	}
 	if t.simpleTokenTTL <= 0 {
 		t.simpleTokenTTL = simpleTokenTTLDefault
 	}

server/auth/store.go

@@ -30,6 +30,7 @@ import (
 	pb "go.etcd.io/etcd/api/v3/etcdserverpb"
 	"go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
 	"go.etcd.io/etcd/server/v3/mvcc/backend"
+	"go.etcd.io/etcd/server/v3/mvcc/buckets"
 
 	"go.uber.org/zap"
 	"golang.org/x/crypto/bcrypt"
@@ -45,10 +46,6 @@ var (
 
 	revisionKey = []byte("authRevision")
 
-	authBucketName      = []byte("auth")
-	authUsersBucketName = []byte("authUsers")
-	authRolesBucketName = []byte("authRoles")
-
 	ErrRootUserNotExist     = errors.New("auth: root user does not exist")
 	ErrRootRoleNotExist     = errors.New("auth: root user does not have root role")
 	ErrUserAlreadyExist     = errors.New("auth: user already exists")
@@ -57,6 +54,7 @@ var (
 	ErrRoleAlreadyExist     = errors.New("auth: role already exists")
 	ErrRoleNotFound         = errors.New("auth: role not found")
 	ErrRoleEmpty            = errors.New("auth: role name is empty")
+	ErrPermissionNotGiven   = errors.New("auth: permission not given")
 	ErrAuthFailed           = errors.New("auth: authentication failed, invalid user ID or password")
 	ErrNoPasswordUser       = errors.New("auth: authentication failed, password was given for no password user")
 	ErrPermissionDenied     = errors.New("auth: permission denied")
@@ -210,7 +208,14 @@ type authStore struct {
 	enabled   bool
 	enabledMu sync.RWMutex
 
-	rangePermCache map[string]*unifiedRangePermissions // username -> unifiedRangePermissions
+	// rangePermCache needs to be protected by rangePermCacheMu
+	// rangePermCacheMu needs to be write locked only in initialization phase or configuration changes
+	// Hot paths like Range(), needs to acquire read lock for improving performance
+	//
+	// Note that BatchTx and ReadTx cannot be a mutex for rangePermCache because they are independent resources
+	// see also: https://github.com/etcd-io/etcd/pull/13920#discussion_r849114855
+	rangePermCache   map[string]*unifiedRangePermissions // username -> unifiedRangePermissions
+	rangePermCacheMu sync.RWMutex
 
 	tokenProvider TokenProvider
 	bcryptCost    int // the algorithm cost / strength for hashing auth passwords
@@ -225,7 +230,7 @@ func (as *authStore) AuthEnable() error {
 	}
 	b := as.be
 	tx := b.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer func() {
 		tx.Unlock()
 		b.ForceCommit()
@@ -240,12 +245,12 @@ func (as *authStore) AuthEnable() error {
 		return ErrRootRoleNotExist
 	}
 
-	tx.UnsafePut(authBucketName, enableFlagKey, authEnabled)
+	tx.UnsafePut(buckets.Auth, enableFlagKey, authEnabled)
 
 	as.enabled = true
 	as.tokenProvider.enable()
 
-	as.rangePermCache = make(map[string]*unifiedRangePermissions)
+	as.refreshRangePermCache(tx)
 
 	as.setRevision(getRevision(tx))
 
@@ -261,8 +266,8 @@ func (as *authStore) AuthDisable() {
 	}
 	b := as.be
 	tx := b.BatchTx()
-	tx.Lock()
-	tx.UnsafePut(authBucketName, enableFlagKey, authDisabled)
+	tx.LockInsideApply()
+	tx.UnsafePut(buckets.Auth, enableFlagKey, authDisabled)
 	as.commitRevision(tx)
 	tx.Unlock()
 	b.ForceCommit()
@@ -289,7 +294,7 @@ func (as *authStore) Authenticate(ctx context.Context, username, password string
 	}
 
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	user := getUser(as.lg, tx, username)
@@ -326,7 +331,7 @@ func (as *authStore) CheckPassword(username, password string) (uint64, error) {
 	// CompareHashAndPassword is very expensive, so we use closures
 	// to avoid putting it in the critical section of the tx lock.
 	revision, err := func() (uint64, error) {
-		tx := as.be.BatchTx()
+		tx := as.be.ReadTx()
 		tx.Lock()
 		defer tx.Unlock()
 
@@ -355,9 +360,9 @@ func (as *authStore) CheckPassword(username, password string) (uint64, error) {
 func (as *authStore) Recover(be backend.Backend) {
 	enabled := false
 	as.be = be
-	tx := be.BatchTx()
+	tx := be.ReadTx()
 	tx.Lock()
-	_, vs := tx.UnsafeRange(authBucketName, enableFlagKey, nil, 0)
+	_, vs := tx.UnsafeRange(buckets.Auth, enableFlagKey, nil, 0)
 	if len(vs) == 1 {
 		if bytes.Equal(vs[0], authEnabled) {
 			enabled = true
@@ -365,11 +370,15 @@ func (as *authStore) Recover(be backend.Backend) {
 	}
 
 	as.setRevision(getRevision(tx))
+	as.refreshRangePermCache(tx)
 
 	tx.Unlock()
 
 	as.enabledMu.Lock()
 	as.enabled = enabled
+	if enabled {
+		as.tokenProvider.enable()
+	}
 	as.enabledMu.Unlock()
 }
 
@@ -387,7 +396,7 @@ func (as *authStore) UserAdd(r *pb.AuthUserAddRequest) (*pb.AuthUserAddResponse,
 	}
 
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	user := getUser(as.lg, tx, r.Name)
@@ -421,6 +430,7 @@ func (as *authStore) UserAdd(r *pb.AuthUserAddRequest) (*pb.AuthUserAddResponse,
 	putUser(as.lg, tx, newUser)
 
 	as.commitRevision(tx)
+	as.refreshRangePermCache(tx)
 
 	as.lg.Info("added a user", zap.String("user-name", r.Name))
 	return &pb.AuthUserAddResponse{}, nil
@@ -433,7 +443,7 @@ func (as *authStore) UserDelete(r *pb.AuthUserDeleteRequest) (*pb.AuthUserDelete
 	}
 
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	user := getUser(as.lg, tx, r.Name)
@@ -444,8 +454,8 @@ func (as *authStore) UserDelete(r *pb.AuthUserDeleteRequest) (*pb.AuthUserDelete
 	delUser(tx, r.Name)
 
 	as.commitRevision(tx)
+	as.refreshRangePermCache(tx)
 
-	as.invalidateCachedPerm(r.Name)
 	as.tokenProvider.invalidateUser(r.Name)
 
 	as.lg.Info(
@@ -458,7 +468,7 @@ func (as *authStore) UserDelete(r *pb.AuthUserDeleteRequest) (*pb.AuthUserDelete
 
 func (as *authStore) UserChangePassword(r *pb.AuthUserChangePasswordRequest) (*pb.AuthUserChangePasswordResponse, error) {
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	user := getUser(as.lg, tx, r.Name)
@@ -486,8 +496,8 @@ func (as *authStore) UserChangePassword(r *pb.AuthUserChangePasswordRequest) (*p
 	putUser(as.lg, tx, updatedUser)
 
 	as.commitRevision(tx)
+	as.refreshRangePermCache(tx)
 
-	as.invalidateCachedPerm(r.Name)
 	as.tokenProvider.invalidateUser(r.Name)
 
 	as.lg.Info(
@@ -500,7 +510,7 @@ func (as *authStore) UserChangePassword(r *pb.AuthUserChangePasswordRequest) (*p
 
 func (as *authStore) UserGrantRole(r *pb.AuthUserGrantRoleRequest) (*pb.AuthUserGrantRoleResponse, error) {
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	user := getUser(as.lg, tx, r.User)
@@ -531,9 +541,8 @@ func (as *authStore) UserGrantRole(r *pb.AuthUserGrantRoleRequest) (*pb.AuthUser
 
 	putUser(as.lg, tx, user)
 
-	as.invalidateCachedPerm(r.User)
-
 	as.commitRevision(tx)
+	as.refreshRangePermCache(tx)
 
 	as.lg.Info(
 		"granted a role to a user",
@@ -546,7 +555,7 @@ func (as *authStore) UserGrantRole(r *pb.AuthUserGrantRoleRequest) (*pb.AuthUser
 
 func (as *authStore) UserGet(r *pb.AuthUserGetRequest) (*pb.AuthUserGetResponse, error) {
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	user := getUser(as.lg, tx, r.Name)
 	tx.Unlock()
 
@@ -561,7 +570,7 @@ func (as *authStore) UserGet(r *pb.AuthUserGetRequest) (*pb.AuthUserGetResponse,
 
 func (as *authStore) UserList(r *pb.AuthUserListRequest) (*pb.AuthUserListResponse, error) {
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	users := getAllUsers(as.lg, tx)
 	tx.Unlock()
 
@@ -583,7 +592,7 @@ func (as *authStore) UserRevokeRole(r *pb.AuthUserRevokeRoleRequest) (*pb.AuthUs
 	}
 
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	user := getUser(as.lg, tx, r.Name)
@@ -609,9 +618,8 @@ func (as *authStore) UserRevokeRole(r *pb.AuthUserRevokeRoleRequest) (*pb.AuthUs
 
 	putUser(as.lg, tx, updatedUser)
 
-	as.invalidateCachedPerm(r.Name)
-
 	as.commitRevision(tx)
+	as.refreshRangePermCache(tx)
 
 	as.lg.Info(
 		"revoked a role from a user",
@@ -625,7 +633,7 @@ func (as *authStore) UserRevokeRole(r *pb.AuthUserRevokeRoleRequest) (*pb.AuthUs
 
 func (as *authStore) RoleGet(r *pb.AuthRoleGetRequest) (*pb.AuthRoleGetResponse, error) {
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	var resp pb.AuthRoleGetResponse
@@ -640,7 +648,7 @@ func (as *authStore) RoleGet(r *pb.AuthRoleGetRequest) (*pb.AuthRoleGetResponse,
 
 func (as *authStore) RoleList(r *pb.AuthRoleListRequest) (*pb.AuthRoleListResponse, error) {
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	roles := getAllRoles(as.lg, tx)
 	tx.Unlock()
 
@@ -653,7 +661,7 @@ func (as *authStore) RoleList(r *pb.AuthRoleListRequest) (*pb.AuthRoleListRespon
 
 func (as *authStore) RoleRevokePermission(r *pb.AuthRoleRevokePermissionRequest) (*pb.AuthRoleRevokePermissionResponse, error) {
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	role := getRole(as.lg, tx, r.Role)
@@ -677,11 +685,8 @@ func (as *authStore) RoleRevokePermission(r *pb.AuthRoleRevokePermissionRequest)
 
 	putRole(as.lg, tx, updatedRole)
 
-	// TODO(mitake): currently single role update invalidates every cache
-	// It should be optimized.
-	as.clearCachedPerm()
-
 	as.commitRevision(tx)
+	as.refreshRangePermCache(tx)
 
 	as.lg.Info(
 		"revoked a permission on range",
@@ -699,7 +704,7 @@ func (as *authStore) RoleDelete(r *pb.AuthRoleDeleteRequest) (*pb.AuthRoleDelete
 	}
 
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	role := getRole(as.lg, tx, r.Role)
@@ -729,10 +734,10 @@ func (as *authStore) RoleDelete(r *pb.AuthRoleDeleteRequest) (*pb.AuthRoleDelete
 
 		putUser(as.lg, tx, updatedUser)
 
-		as.invalidateCachedPerm(string(user.Name))
 	}
 
 	as.commitRevision(tx)
+	as.refreshRangePermCache(tx)
 
 	as.lg.Info("deleted a role", zap.String("role-name", r.Role))
 	return &pb.AuthRoleDeleteResponse{}, nil
@@ -744,7 +749,7 @@ func (as *authStore) RoleAdd(r *pb.AuthRoleAddRequest) (*pb.AuthRoleAddResponse,
 	}
 
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	role := getRole(as.lg, tx, r.Name)
@@ -783,8 +788,12 @@ func (perms permSlice) Swap(i, j int) {
 }
 
 func (as *authStore) RoleGrantPermission(r *pb.AuthRoleGrantPermissionRequest) (*pb.AuthRoleGrantPermissionResponse, error) {
+	if r.Perm == nil {
+		return nil, ErrPermissionNotGiven
+	}
+
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	defer tx.Unlock()
 
 	role := getRole(as.lg, tx, r.Name)
@@ -813,11 +822,8 @@ func (as *authStore) RoleGrantPermission(r *pb.AuthRoleGrantPermissionRequest) (
 
 	putRole(as.lg, tx, role)
 
-	// TODO(mitake): currently single role update invalidates every cache
-	// It should be optimized.
-	as.clearCachedPerm()
-
 	as.commitRevision(tx)
+	as.refreshRangePermCache(tx)
 
 	as.lg.Info(
 		"granted/updated a permission to a user",
@@ -847,7 +853,7 @@ func (as *authStore) isOpPermitted(userName string, revision uint64, key, rangeE
 		return ErrAuthOldRevision
 	}
 
-	tx := as.be.BatchTx()
+	tx := as.be.ReadTx()
 	tx.Lock()
 	defer tx.Unlock()
 
@@ -862,7 +868,7 @@ func (as *authStore) isOpPermitted(userName string, revision uint64, key, rangeE
 		return nil
 	}
 
-	if as.isRangeOpPermitted(tx, userName, key, rangeEnd, permTyp) {
+	if as.isRangeOpPermitted(userName, key, rangeEnd, permTyp) {
 		return nil
 	}
 
@@ -889,7 +895,7 @@ func (as *authStore) IsAdminPermitted(authInfo *AuthInfo) error {
 		return ErrUserEmpty
 	}
 
-	tx := as.be.BatchTx()
+	tx := as.be.ReadTx()
 	tx.Lock()
 	u := getUser(as.lg, tx, authInfo.Username)
 	tx.Unlock()
@@ -905,8 +911,8 @@ func (as *authStore) IsAdminPermitted(authInfo *AuthInfo) error {
 	return nil
 }
 
-func getUser(lg *zap.Logger, tx backend.BatchTx, username string) *authpb.User {
-	_, vs := tx.UnsafeRange(authUsersBucketName, []byte(username), nil, 0)
+func getUser(lg *zap.Logger, tx backend.ReadTx, username string) *authpb.User {
+	_, vs := tx.UnsafeRange(buckets.AuthUsers, []byte(username), nil, 0)
 	if len(vs) == 0 {
 		return nil
 	}
@@ -923,8 +929,16 @@ func getUser(lg *zap.Logger, tx backend.BatchTx, username string) *authpb.User {
 	return user
 }
 
-func getAllUsers(lg *zap.Logger, tx backend.BatchTx) []*authpb.User {
-	_, vs := tx.UnsafeRange(authUsersBucketName, []byte{0}, []byte{0xff}, -1)
+func getAllUsers(lg *zap.Logger, tx backend.ReadTx) []*authpb.User {
+	var vs [][]byte
+	err := tx.UnsafeForEach(buckets.AuthUsers, func(k []byte, v []byte) error {
+		vs = append(vs, v)
+		return nil
+	})
+	if err != nil {
+		lg.Panic("failed to get users",
+			zap.Error(err))
+	}
 	if len(vs) == 0 {
 		return nil
 	}
@@ -946,15 +960,15 @@ func putUser(lg *zap.Logger, tx backend.BatchTx, user *authpb.User) {
 	if err != nil {
 		lg.Panic("failed to unmarshal 'authpb.User'", zap.Error(err))
 	}
-	tx.UnsafePut(authUsersBucketName, user.Name, b)
+	tx.UnsafePut(buckets.AuthUsers, user.Name, b)
 }
 
 func delUser(tx backend.BatchTx, username string) {
-	tx.UnsafeDelete(authUsersBucketName, []byte(username))
+	tx.UnsafeDelete(buckets.AuthUsers, []byte(username))
 }
 
-func getRole(lg *zap.Logger, tx backend.BatchTx, rolename string) *authpb.Role {
-	_, vs := tx.UnsafeRange(authRolesBucketName, []byte(rolename), nil, 0)
+func getRole(lg *zap.Logger, tx backend.ReadTx, rolename string) *authpb.Role {
+	_, vs := tx.UnsafeRange(buckets.AuthRoles, []byte(rolename), nil, 0)
 	if len(vs) == 0 {
 		return nil
 	}
@@ -967,8 +981,8 @@ func getRole(lg *zap.Logger, tx backend.BatchTx, rolename string) *authpb.Role {
 	return role
 }
 
-func getAllRoles(lg *zap.Logger, tx backend.BatchTx) []*authpb.Role {
-	_, vs := tx.UnsafeRange(authRolesBucketName, []byte{0}, []byte{0xff}, -1)
+func getAllRoles(lg *zap.Logger, tx backend.ReadTx) []*authpb.Role {
+	_, vs := tx.UnsafeRange(buckets.AuthRoles, []byte{0}, []byte{0xff}, -1)
 	if len(vs) == 0 {
 		return nil
 	}
@@ -995,11 +1009,11 @@ func putRole(lg *zap.Logger, tx backend.BatchTx, role *authpb.Role) {
 		)
 	}
 
-	tx.UnsafePut(authRolesBucketName, role.Name, b)
+	tx.UnsafePut(buckets.AuthRoles, role.Name, b)
 }
 
 func delRole(tx backend.BatchTx, rolename string) {
-	tx.UnsafeDelete(authRolesBucketName, []byte(rolename))
+	tx.UnsafeDelete(buckets.AuthRoles, []byte(rolename))
 }
 
 func (as *authStore) IsAuthEnabled() bool {
@@ -1026,14 +1040,14 @@ func NewAuthStore(lg *zap.Logger, be backend.Backend, tp TokenProvider, bcryptCo
 	}
 
 	tx := be.BatchTx()
-	tx.Lock()
+	tx.LockOutsideApply()
 
-	tx.UnsafeCreateBucket(authBucketName)
-	tx.UnsafeCreateBucket(authUsersBucketName)
-	tx.UnsafeCreateBucket(authRolesBucketName)
+	tx.UnsafeCreateBucket(buckets.Auth)
+	tx.UnsafeCreateBucket(buckets.AuthUsers)
+	tx.UnsafeCreateBucket(buckets.AuthRoles)
 
 	enabled := false
-	_, vs := tx.UnsafeRange(authBucketName, enableFlagKey, nil, 0)
+	_, vs := tx.UnsafeRange(buckets.Auth, enableFlagKey, nil, 0)
 	if len(vs) == 1 {
 		if bytes.Equal(vs[0], authEnabled) {
 			enabled = true
@@ -1060,6 +1074,8 @@ func NewAuthStore(lg *zap.Logger, be backend.Backend, tp TokenProvider, bcryptCo
 
 	as.setupMetricsReporter()
 
+	as.refreshRangePermCache(tx)
+
 	tx.Unlock()
 	be.ForceCommit()
 
@@ -1076,11 +1092,11 @@ func (as *authStore) commitRevision(tx backend.BatchTx) {
 	atomic.AddUint64(&as.revision, 1)
 	revBytes := make([]byte, revBytesLen)
 	binary.BigEndian.PutUint64(revBytes, as.Revision())
-	tx.UnsafePut(authBucketName, revisionKey, revBytes)
+	tx.UnsafePut(buckets.Auth, revisionKey, revBytes)
 }
 
-func getRevision(tx backend.BatchTx) uint64 {
-	_, vs := tx.UnsafeRange(authBucketName, revisionKey, nil, 0)
+func getRevision(tx backend.ReadTx) uint64 {
+	_, vs := tx.UnsafeRange(buckets.Auth, revisionKey, nil, 0)
 	if len(vs) != 1 {
 		// this can happen in the initialization phase
 		return 0
@@ -1279,7 +1295,7 @@ func (as *authStore) WithRoot(ctx context.Context) context.Context {
 
 func (as *authStore) HasRole(user, role string) bool {
 	tx := as.be.BatchTx()
-	tx.Lock()
+	tx.LockInsideApply()
 	u := getUser(as.lg, tx, user)
 	tx.Unlock()
 

server/auth/store_test.go

@@ -27,6 +27,7 @@ import (
 	"go.etcd.io/etcd/api/v3/authpb"
 	pb "go.etcd.io/etcd/api/v3/etcdserverpb"
 	"go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
+	"go.etcd.io/etcd/pkg/v3/adt"
 	"go.etcd.io/etcd/server/v3/mvcc/backend"
 	betesting "go.etcd.io/etcd/server/v3/mvcc/backend/testing"
 
@@ -153,7 +154,8 @@ func TestUserAdd(t *testing.T) {
 	as, tearDown := setupAuthStore(t)
 	defer tearDown(t)
 
-	ua := &pb.AuthUserAddRequest{Name: "foo", Options: &authpb.UserAddOptions{NoPassword: false}}
+	const userName = "foo"
+	ua := &pb.AuthUserAddRequest{Name: userName, Options: &authpb.UserAddOptions{NoPassword: false}}
 	_, err := as.UserAdd(ua) // add an existing user
 	if err == nil {
 		t.Fatalf("expected %v, got %v", ErrUserAlreadyExist, err)
@@ -167,6 +169,11 @@ func TestUserAdd(t *testing.T) {
 	if err != ErrUserEmpty {
 		t.Fatal(err)
 	}
+
+	if _, ok := as.rangePermCache[userName]; !ok {
+		t.Fatalf("user %s should be added but it doesn't exist in rangePermCache", userName)
+
+	}
 }
 
 func TestRecover(t *testing.T) {
@@ -182,6 +189,30 @@ func TestRecover(t *testing.T) {
 	}
 }
 
+func TestRecoverWithEmptyRangePermCache(t *testing.T) {
+	as, tearDown := setupAuthStore(t)
+	defer as.Close()
+	defer tearDown(t)
+
+	as.enabled = false
+	as.rangePermCache = map[string]*unifiedRangePermissions{}
+	as.Recover(as.be)
+
+	if !as.IsAuthEnabled() {
+		t.Fatalf("expected auth enabled got disabled")
+	}
+
+	if len(as.rangePermCache) != 2 {
+		t.Fatalf("rangePermCache should have permission information for 2 users (\"root\" and \"foo\"), but has %d information", len(as.rangePermCache))
+	}
+	if _, ok := as.rangePermCache["root"]; !ok {
+		t.Fatal("user \"root\" should be created by setupAuthStore() but doesn't exist in rangePermCache")
+	}
+	if _, ok := as.rangePermCache["foo"]; !ok {
+		t.Fatal("user \"foo\" should be created by setupAuthStore() but doesn't exist in rangePermCache")
+	}
+}
+
 func TestCheckPassword(t *testing.T) {
 	as, tearDown := setupAuthStore(t)
 	defer tearDown(t)
@@ -216,7 +247,8 @@ func TestUserDelete(t *testing.T) {
 	defer tearDown(t)
 
 	// delete an existing user
-	ud := &pb.AuthUserDeleteRequest{Name: "foo"}
+	const userName = "foo"
+	ud := &pb.AuthUserDeleteRequest{Name: userName}
 	_, err := as.UserDelete(ud)
 	if err != nil {
 		t.Fatal(err)
@@ -230,6 +262,47 @@ func TestUserDelete(t *testing.T) {
 	if err != ErrUserNotFound {
 		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
 	}
+
+	if _, ok := as.rangePermCache[userName]; ok {
+		t.Fatalf("user %s should be deleted but it exists in rangePermCache", userName)
+
+	}
+}
+
+func TestUserDeleteAndPermCache(t *testing.T) {
+	as, tearDown := setupAuthStore(t)
+	defer tearDown(t)
+
+	// delete an existing user
+	const deletedUserName = "foo"
+	ud := &pb.AuthUserDeleteRequest{Name: deletedUserName}
+	_, err := as.UserDelete(ud)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// delete a non-existing user
+	_, err = as.UserDelete(ud)
+	if err != ErrUserNotFound {
+		t.Fatalf("expected %v, got %v", ErrUserNotFound, err)
+	}
+
+	if _, ok := as.rangePermCache[deletedUserName]; ok {
+		t.Fatalf("user %s should be deleted but it exists in rangePermCache", deletedUserName)
+	}
+
+	// add a new user
+	const newUser = "bar"
+	ua := &pb.AuthUserAddRequest{Name: newUser, HashedPassword: encodePassword("pwd1"), Options: &authpb.UserAddOptions{NoPassword: false}}
+	_, err = as.UserAdd(ua)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if _, ok := as.rangePermCache[newUser]; !ok {
+		t.Fatalf("user %s should exist but it doesn't exist in rangePermCache", deletedUserName)
+
+	}
 }
 
 func TestUserChangePassword(t *testing.T) {
@@ -448,6 +521,24 @@ func TestRoleGrantPermission(t *testing.T) {
 	if !reflect.DeepEqual(perm, r.Perm[0]) {
 		t.Errorf("expected %v, got %v", perm, r.Perm[0])
 	}
+
+	// trying to grant nil permissions returns an error (and doesn't change the actual permissions!)
+	_, err = as.RoleGrantPermission(&pb.AuthRoleGrantPermissionRequest{
+		Name: "role-test-1",
+	})
+
+	if err != ErrPermissionNotGiven {
+		t.Error(err)
+	}
+
+	r, err = as.RoleGet(&pb.AuthRoleGetRequest{Role: "role-test-1"})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if !reflect.DeepEqual(perm, r.Perm[0]) {
+		t.Errorf("expected %v, got %v", perm, r.Perm[0])
+	}
 }
 
 func TestRoleRevokePermission(t *testing.T) {
@@ -506,17 +597,44 @@ func TestUserRevokePermission(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	_, err = as.UserGrantRole(&pb.AuthUserGrantRoleRequest{User: "foo", Role: "role-test"})
+	const userName = "foo"
+	_, err = as.UserGrantRole(&pb.AuthUserGrantRoleRequest{User: userName, Role: "role-test"})
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	_, err = as.UserGrantRole(&pb.AuthUserGrantRoleRequest{User: "foo", Role: "role-test-1"})
+	_, err = as.UserGrantRole(&pb.AuthUserGrantRoleRequest{User: userName, Role: "role-test-1"})
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	u, err := as.UserGet(&pb.AuthUserGetRequest{Name: "foo"})
+	perm := &authpb.Permission{
+		PermType: authpb.WRITE,
+		Key:      []byte("WriteKeyBegin"),
+		RangeEnd: []byte("WriteKeyEnd"),
+	}
+	_, err = as.RoleGrantPermission(&pb.AuthRoleGrantPermissionRequest{
+		Name: "role-test-1",
+		Perm: perm,
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if _, ok := as.rangePermCache[userName]; !ok {
+		t.Fatalf("User %s should have its entry in rangePermCache", userName)
+	}
+	unifiedPerm := as.rangePermCache[userName]
+	pt1 := adt.NewBytesAffinePoint([]byte("WriteKeyBegin"))
+	if !unifiedPerm.writePerms.Contains(pt1) {
+		t.Fatal("rangePermCache should contain WriteKeyBegin")
+	}
+	pt2 := adt.NewBytesAffinePoint([]byte("OutOfRange"))
+	if unifiedPerm.writePerms.Contains(pt2) {
+		t.Fatal("rangePermCache should not contain OutOfRange")
+	}
+
+	u, err := as.UserGet(&pb.AuthUserGetRequest{Name: userName})
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -526,12 +644,12 @@ func TestUserRevokePermission(t *testing.T) {
 		t.Fatalf("expected %v, got %v", expected, u.Roles)
 	}
 
-	_, err = as.UserRevokeRole(&pb.AuthUserRevokeRoleRequest{Name: "foo", Role: "role-test-1"})
+	_, err = as.UserRevokeRole(&pb.AuthUserRevokeRoleRequest{Name: userName, Role: "role-test-1"})
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	u, err = as.UserGet(&pb.AuthUserGetRequest{Name: "foo"})
+	u, err = as.UserGet(&pb.AuthUserGetRequest{Name: userName})
 	if err != nil {
 		t.Fatal(err)
 	}

server/config/config.go

@@ -120,6 +120,10 @@ type ServerConfig struct {
 	// MaxRequestBytes is the maximum request size to send over raft.
 	MaxRequestBytes uint
 
+	// MaxConcurrentStreams specifies the maximum number of concurrent
+	// streams that each client can open at a time.
+	MaxConcurrentStreams uint32
+
 	WarningApplyDuration time.Duration
 
 	StrictReconfigCheck bool
@@ -133,8 +137,10 @@ type ServerConfig struct {
 
 	// InitialCorruptCheck is true to check data corruption on boot
 	// before serving any peer/client traffic.
-	InitialCorruptCheck bool
-	CorruptCheckTime    time.Duration
+	InitialCorruptCheck     bool
+	CorruptCheckTime        time.Duration
+	CompactHashCheckEnabled bool
+	CompactHashCheckTime    time.Duration
 
 	// PreVote is true to enable Raft Pre-Vote.
 	PreVote bool
@@ -147,10 +153,12 @@ type ServerConfig struct {
 
 	ForceNewCluster bool
 
-	// EnableLeaseCheckpoint enables primary lessor to persist lease remainingTTL to prevent indefinite auto-renewal of long lived leases.
+	// EnableLeaseCheckpoint enables leader to send regular checkpoints to other members to prevent reset of remaining TTL on leader change.
 	EnableLeaseCheckpoint bool
 	// LeaseCheckpointInterval time.Duration is the wait duration between lease checkpoints.
 	LeaseCheckpointInterval time.Duration
+	// LeaseCheckpointPersist enables persisting remainingTTL to prevent indefinite auto-renewal of long lived leases. Always enabled in v3.6. Should be used to ensure smooth upgrade from v3.5 clusters with this feature enabled.
+	LeaseCheckpointPersist bool
 
 	EnableGRPCGateway bool