version: bump up to 3.5.10

[3.5] Bump bbolt to 1.3.8 for release-3.5

.github/workflows/e2e.yaml

@@ -11,22 +11,24 @@ jobs:
         - linux-386-e2e
     steps:
     - uses: actions/checkout@v2
+    - id: goversion
+      run: echo "goversion=$(cat .go-version)" >> "$GITHUB_OUTPUT"
     - uses: actions/setup-go@v2
       with:
-        go-version: "^1.16"
+        go-version: ${{ steps.goversion.outputs.goversion }}
     - run: date
     - env:
         TARGET: ${{ matrix.target }}
       run: |
+        set -euo pipefail
+
         echo "${TARGET}"
         case "${TARGET}" in
           linux-amd64-e2e)
-            PASSES='build release e2e' MANUAL_VER=v3.4.7 CPU='4' EXPECT_DEBUG='true' COVER='false' RACE='true' ./test.sh 2>&1 | tee test.log
-            ! egrep "(--- FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
+            CPU='4' EXPECT_DEBUG='true' COVER='false' RACE='true' make test-e2e-release
             ;;
           linux-386-e2e)
-            GOARCH=386 PASSES='build e2e' CPU='4' EXPECT_DEBUG='true' COVER='false' RACE='true' ./test.sh 2>&1 | tee test.log
-            ! egrep "(--- FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
+            GOARCH=386 CPU='4' EXPECT_DEBUG='true' COVER='false' RACE='true' make test-e2e
             ;;
           *)
             echo "Failed to find target"

.github/workflows/functional.yaml

@@ -10,13 +10,17 @@ jobs:
         - linux-amd64-functional
     steps:
     - uses: actions/checkout@v2
+    - id: goversion
+      run: echo "goversion=$(cat .go-version)" >> "$GITHUB_OUTPUT"
     - uses: actions/setup-go@v2
       with:
-        go-version: "^1.16"
+        go-version: ${{ steps.goversion.outputs.goversion }}
     - run: date
     - env:
         TARGET: ${{ matrix.target }}
       run: |
+        set -euo pipefail
+
         echo "${TARGET}"
         case "${TARGET}" in
           linux-amd64-functional)

.github/workflows/grpcproxy.yaml

@@ -10,18 +10,21 @@ jobs:
         - linux-amd64-grpcproxy
     steps:
     - uses: actions/checkout@v2
+    - id: goversion
+      run: echo "goversion=$(cat .go-version)" >> "$GITHUB_OUTPUT"
     - uses: actions/setup-go@v2
       with:
-        go-version: "^1.16"
+        go-version: ${{ steps.goversion.outputs.goversion }}
     - run: date
     - env:
         TARGET: ${{ matrix.target }}
       run: |
+        set -euo pipefail
+
         echo "${TARGET}"
         case "${TARGET}" in
           linux-amd64-grpcproxy)
-            PASSES='build grpcproxy'  CPU='4' COVER='false' RACE='true' ./test.sh 2>&1 | tee test.log
-            ! egrep "(--- FAIL:|DATA RACE|panic: test timed out|appears to have leaked)" -B50 -A10 test.log
+            PASSES='build grpcproxy'  CPU='4' COVER='false' RACE='true' ./test.sh
             ;;
           *)
             echo "Failed to find target"

.github/workflows/release.yaml

@@ -0,0 +1,32 @@
+name: Release
+on: [push, pull_request]
+jobs:
+  main:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - id: goversion
+      run: echo "goversion=$(cat .go-version)" >> "$GITHUB_OUTPUT"
+    - uses: actions/setup-go@v2
+      with:
+        go-version: ${{ steps.goversion.outputs.goversion }}
+    - name: release
+      run: |
+        set -euo pipefail
+
+        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 ./scripts/release --no-upload --no-docker-push --in-place 3.5.99
+    - name: test-image
+      run: |
+        VERSION=3.5.99 ./scripts/test_images.sh

.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

@@ -16,34 +16,39 @@ jobs:
         - linux-386-unit-1-cpu
     steps:
     - uses: actions/checkout@v2
+    - id: goversion
+      run: echo "goversion=$(cat .go-version)" >> "$GITHUB_OUTPUT"
     - uses: actions/setup-go@v2
       with:
-        go-version: "^1.16"
+        go-version: ${{ steps.goversion.outputs.goversion }}
     - run: date
     - env:
         TARGET: ${{ matrix.target }}
       run: |
+        set -euo pipefail
+
         echo "${TARGET}"
         case "${TARGET}" in
           linux-amd64-fmt)
             GOARCH=amd64 PASSES='fmt bom dep' ./test.sh
             ;;
           linux-amd64-integration-1-cpu)
-            GOARCH=amd64 CPU=1 PASSES='integration' RACE='false' ./test.sh
+            GOARCH=amd64 CPU=1 RACE='false' make test-integration
             ;;
           linux-amd64-integration-2-cpu)
-            GOARCH=amd64 CPU=2 PASSES='integration' RACE='false' ./test.sh
+            GOARCH=amd64 CPU=2 RACE='false' make test-integration
             ;;
           linux-amd64-integration-4-cpu)
-            GOARCH=amd64 CPU=4 PASSES='integration' RACE='false' ./test.sh
+            GOARCH=amd64 CPU=4 RACE='false' make test-integration
             ;;
           linux-amd64-unit-4-cpu-race)
-            GOARCH=amd64 PASSES='unit' RACE='true' CPU='4' ./test.sh -p=2
+            GOARCH=amd64 RACE='true' CPU='4' GO_TEST_FLAGS='-p=2' make test-unit
             ;;
           all-build)
             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
@@ -51,7 +56,7 @@ jobs:
             GO_BUILD_FLAGS='-v -mod=readonly' GOARCH=s390x ./build.sh
             ;;
           linux-386-unit-1-cpu)
-            GOARCH=386 PASSES='unit' RACE='false' CPU='1' ./test -p=4
+            GOARCH=386 RACE='false' CPU='1' GO_TEST_FLAGS='-p=4' make test-unit
             ;;
           *)
             echo "Failed to find target"

.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'

.go-version

@@ -0,0 +1 @@
+1.20.10

.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 +1,11 @@
-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/
 
-# 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
+WORKDIR /var/etcd/
+WORKDIR /var/lib/etcd/
 
 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
 

Documentation/dev-guide/apispec/swagger/rpc.swagger.json

@@ -1276,6 +1276,39 @@
       }
     },
     "/v3/maintenance/hash": {
+      "post": {
+        "tags": [
+          "Maintenance"
+        ],
+        "summary": "Hash computes the hash of whole backend keyspace,\nincluding key, lease, and other buckets in storage.\nThis is designed for testing ONLY!\nDo not rely on this in production with ongoing transactions,\nsince Hash operation does not hold MVCC locks.\nUse \"HashKV\" API instead for \"key\" bucket consistency checks.",
+        "operationId": "Maintenance_Hash",
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbHashRequest"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbHashResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response",
+            "schema": {
+              "$ref": "#/definitions/runtimeError"
+            }
+          }
+        }
+      }
+    },
+    "/v3/maintenance/hashkv": {
       "post": {
         "tags": [
           "Maintenance"

Makefile

@@ -55,7 +55,7 @@ docker-remove:
 
 
 
-GO_VERSION ?= 1.16.3
+GO_VERSION ?= $(shell cat .go-version)
 ETCD_VERSION ?= $(shell git rev-parse --short HEAD || echo "GitNotFound")
 
 TEST_SUFFIX = $(shell date +%s | base64 | head -c 15)
@@ -161,7 +161,26 @@ 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:
+.PHONY: test-unit
+test-unit:
+	PASSES="unit" ./test.sh $(GO_TEST_FLAGS)
+
+.PHONY: test-integration
+test-integration:
+	PASSES="integration" ./test.sh $(GO_TEST_FLAGS)
+
+.PHONY: test-e2e
+test-e2e:
+	PASSES="build e2e" ./test.sh $(GO_TEST_FLAGS)
+
+.PHONY: test-e2e-release
+test-e2e-release:
+	PASSES="build release e2e" ./test.sh $(GO_TEST_FLAGS)
+
+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/etcdserverpb/gw/rpc.pb.gw.go

@@ -3290,7 +3290,7 @@ var (
 
 	pattern_Maintenance_Hash_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"v3", "maintenance", "hash"}, "", runtime.AssumeColonVerbOpt(true)))
 
-	pattern_Maintenance_HashKV_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"v3", "maintenance", "hash"}, "", runtime.AssumeColonVerbOpt(true)))
+	pattern_Maintenance_HashKV_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"v3", "maintenance", "hashkv"}, "", runtime.AssumeColonVerbOpt(true)))
 
 	pattern_Maintenance_Snapshot_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"v3", "maintenance", "snapshot"}, "", runtime.AssumeColonVerbOpt(true)))
 

api/etcdserverpb/raft_internal_stringer_test.go

@@ -20,7 +20,7 @@ import (
 	pb "go.etcd.io/etcd/api/v3/etcdserverpb"
 )
 
-// TestInvalidGoYypeIntPanic tests conditions that caused
+// TestInvalidGoTypeIntPanic tests conditions that caused
 // panic: invalid Go type int for field k8s_io.kubernetes.vendor.go_etcd_io.etcd.etcdserver.etcdserverpb.loggablePutRequest.value_size
 // See https://github.com/kubernetes/kubernetes/issues/91937 for more details
 func TestInvalidGoTypeIntPanic(t *testing.T) {

api/etcdserverpb/rpc.pb.go

@@ -6154,264 +6154,264 @@ func init() {
 func init() { proto.RegisterFile("rpc.proto", fileDescriptor_77a6da22d6a3feb1) }
 
 var fileDescriptor_77a6da22d6a3feb1 = []byte{
-	// 4107 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xbc, 0x5b, 0x5b, 0x73, 0x1b, 0xc9,
-	0x75, 0xe6, 0x00, 0xc4, 0xed, 0xe0, 0x42, 0xb0, 0x79, 0x11, 0x84, 0x95, 0x28, 0x6e, 0x6b, 0xa5,
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+	0x3d, 0x34, 0xee, 0xaf, 0x1b, 0xef, 0x1b, 0x9b, 0xbf, 0x9e, 0x83, 0x39, 0x56, 0xda, 0x45, 0xe7,
+	0x00, 0xd1, 0x6b, 0x4f, 0x7c, 0x76, 0x89, 0xf7, 0xa3, 0xf8, 0xec, 0x92, 0x0f, 0x45, 0xb8, 0xc9,
+	0x40, 0x97, 0xf1, 0x02, 0x05, 0x65, 0x15, 0xe3, 0x16, 0x2b, 0x82, 0x53, 0x3b, 0xfe, 0xad, 0x21,
+	0x2a, 0xdb, 0xfc, 0x2c, 0xa1, 0x34, 0x69, 0xda, 0x93, 0x4f, 0x7c, 0x3b, 0xa4, 0x3c, 0xf7, 0xe0,
+	0xef, 0x32, 0xc0, 0x16, 0xae, 0x47, 0x80, 0x1e, 0xe3, 0x78, 0x68, 0xdc, 0xff, 0xbc, 0x81, 0x97,
+	0x84, 0x95, 0x63, 0x3d, 0xe8, 0x47, 0x50, 0xd3, 0x9f, 0x34, 0xd0, 0x9d, 0x14, 0xac, 0xf8, 0xcb,
+	0x48, 0xf3, 0xad, 0xab, 0x99, 0x84, 0x4e, 0xab, 0x4c, 0x27, 0x01, 0xce, 0x91, 0xcf, 0x09, 0x19,
+	0x59, 0x94, 0x49, 0xac, 0x01, 0xfa, 0x47, 0x43, 0xbc, 0x38, 0x45, 0x6f, 0x14, 0x28, 0x4d, 0x7a,
+	0xe2, 0x05, 0xa4, 0x79, 0xf7, 0x15, 0x5c, 0x42, 0x89, 0x3f, 0x66, 0x4a, 0x7c, 0x80, 0x97, 0x23,
+	0x25, 0x02, 0x7b, 0x48, 0x02, 0x57, 0x68, 0xf1, 0xf9, 0x4d, 0x7c, 0x5d, 0x33, 0x8e, 0xd6, 0x1b,
+	0x2d, 0x16, 0x7f, 0x67, 0x48, 0x5d, 0x2c, 0xed, 0xdd, 0x22, 0x75, 0xb1, 0xf4, 0x47, 0x8a, 0xb4,
+	0xc5, 0xe2, 0xaf, 0x0a, 0x69, 0x8b, 0x15, 0xf6, 0x6c, 0xfe, 0xff, 0x2c, 0x14, 0xb6, 0xf8, 0x37,
+	0xe1, 0xc8, 0x85, 0x52, 0x58, 0xa6, 0x47, 0xab, 0x69, 0x75, 0xc6, 0xe8, 0x5a, 0xd3, 0xbc, 0x9d,
+	0xd9, 0x2f, 0x14, 0x7a, 0x93, 0x29, 0xf4, 0x06, 0x5e, 0xa1, 0xc8, 0xe2, 0xb3, 0xf3, 0x16, 0x2f,
+	0x66, 0xb5, 0xac, 0x7e, 0x9f, 0x1a, 0xe2, 0xcf, 0xa1, 0xa2, 0xd6, 0xd1, 0xd1, 0x9b, 0xa9, 0xb5,
+	0x4d, 0xb5, 0x14, 0xdf, 0xc4, 0x57, 0xb1, 0x08, 0xe4, 0xb7, 0x18, 0xf2, 0x2a, 0xbe, 0x91, 0x82,
+	0xec, 0x31, 0x56, 0x0d, 0x9c, 0xd7, 0xc0, 0xd3, 0xc1, 0xb5, 0x12, 0x7b, 0x3a, 0xb8, 0x5e, 0x42,
+	0xbf, 0x12, 0x7c, 0xcc, 0x58, 0x29, 0xb8, 0x0f, 0x10, 0x55, 0xb2, 0x51, 0xaa, 0x2d, 0x95, 0x7b,
+	0x5d, 0xdc, 0x39, 0x24, 0x8b, 0xe0, 0x18, 0x33, 0x58, 0xb1, 0xef, 0x62, 0xb0, 0x03, 0xdb, 0x0f,
+	0xf8, 0xc1, 0xac, 0x6a, 0xa5, 0x69, 0x94, 0x3a, 0x1f, 0xbd, 0xbe, 0xdd, 0xbc, 0x73, 0x25, 0x8f,
+	0x40, 0xbf, 0xcb, 0xd0, 0x6f, 0xe3, 0x66, 0x0a, 0xfa, 0x88, 0xf3, 0xd2, 0xcd, 0xf6, 0xe3, 0x02,
+	0x94, 0x9f, 0x5a, 0xb6, 0x13, 0x10, 0xc7, 0x72, 0x7a, 0x04, 0x9d, 0xc0, 0x1c, 0x8b, 0xd4, 0x71,
+	0x47, 0xac, 0x96, 0x6d, 0xe3, 0x8e, 0x58, 0xab, 0x69, 0xe2, 0x35, 0x06, 0xdc, 0xc4, 0xd7, 0x28,
+	0xf0, 0x30, 0x12, 0xdd, 0x62, 0xa5, 0x48, 0x3a, 0xe9, 0x17, 0x30, 0x2f, 0x5e, 0xfb, 0x62, 0x82,
+	0xb4, 0xe2, 0x4f, 0xf3, 0x66, 0x7a, 0x67, 0xda, 0x5e, 0x56, 0x61, 0x7c, 0xc6, 0x47, 0x71, 0x26,
+	0x00, 0x51, 0x8d, 0x3d, 0xbe, 0xa2, 0x89, 0x92, 0x7c, 0x73, 0x2d, 0x9b, 0x21, 0xcd, 0xa6, 0x2a,
+	0x66, 0x3f, 0xe4, 0xa5, 0xb8, 0x7f, 0x0a, 0xb3, 0x4f, 0x2c, 0xff, 0x0c, 0xc5, 0x62, 0xaf, 0xf2,
+	0xad, 0x58, 0xb3, 0x99, 0xd6, 0x25, 0x50, 0x6e, 0x33, 0x94, 0x1b, 0xdc, 0x95, 0xa9, 0x28, 0x67,
+	0x96, 0x7f, 0x26, 0xec, 0xc7, 0x3f, 0x1d, 0x8b, 0xdb, 0x4f, 0xfb, 0xfc, 0x2c, 0x6e, 0x3f, 0xfd,
+	0x6b, 0xb3, 0x6c, 0xfb, 0x51, 0x94, 0xf3, 0x09, 0xc5, 0x19, 0x41, 0x51, 0x7e, 0xad, 0x85, 0x62,
+	0x4f, 0xf7, 0xb1, 0x2f, 0xbb, 0x9a, 0xab, 0x59, 0xdd, 0x02, 0xed, 0x0e, 0x43, 0xbb, 0x85, 0x1b,
+	0x89, 0xd5, 0x12, 0x9c, 0x0f, 0x8d, 0xfb, 0xef, 0x1b, 0xe8, 0x47, 0x00, 0xd1, 0xc3, 0x44, 0xe2,
+	0x0c, 0xc6, 0xdf, 0x38, 0x12, 0x67, 0x30, 0xf1, 0xa6, 0x81, 0x37, 0x18, 0xee, 0x3a, 0xbe, 0x13,
+	0xc7, 0x0d, 0x3c, 0xcb, 0xf1, 0x5f, 0x10, 0xef, 0x3d, 0x5e, 0x67, 0xf5, 0xcf, 0xec, 0x11, 0x9d,
+	0xb2, 0x07, 0xa5, 0xb0, 0xee, 0x1c, 0xf7, 0xb7, 0xf1, 0x7a, 0x78, 0xdc, 0xdf, 0x26, 0x0a, 0xd6,
+	0xba, 0xe3, 0xd1, 0xf6, 0x8b, 0x64, 0xa5, 0x47, 0xf0, 0x97, 0x75, 0x98, 0xa5, 0x79, 0x37, 0x4d,
+	0x4f, 0xa2, 0xca, 0x49, 0x7c, 0xf6, 0x89, 0x3a, 0x6a, 0x7c, 0xf6, 0xc9, 0xa2, 0x8b, 0x9e, 0x9e,
+	0xd0, 0x6b, 0x56, 0x8b, 0x17, 0x29, 0xe8, 0x4c, 0x5d, 0x28, 0x2b, 0xa5, 0x15, 0x94, 0x22, 0x4c,
+	0x2f, 0xd0, 0xc6, 0x03, 0x5e, 0x4a, 0x5d, 0x06, 0xbf, 0xc1, 0xf0, 0xae, 0xf1, 0x80, 0xc7, 0xf0,
+	0xfa, 0x9c, 0x83, 0x02, 0x8a, 0xd9, 0x89, 0x93, 0x9f, 0x32, 0x3b, 0xfd, 0xf4, 0xaf, 0x65, 0x33,
+	0x64, 0xce, 0x2e, 0x3a, 0xfa, 0x2f, 0xa1, 0xa2, 0x16, 0x58, 0x50, 0x8a, 0xf2, 0xb1, 0xa2, 0x72,
+	0x3c, 0x92, 0xa4, 0xd5, 0x67, 0x74, 0xdf, 0xc6, 0x20, 0x2d, 0x85, 0x8d, 0x02, 0x0f, 0xa0, 0x20,
+	0x2a, 0x2e, 0x69, 0x26, 0xd5, 0x0b, 0xd0, 0x69, 0x26, 0x8d, 0x95, 0x6b, 0xf4, 0xfc, 0x99, 0x21,
+	0xd2, 0x4b, 0xa5, 0x8c, 0xd6, 0x02, 0xed, 0x31, 0x09, 0xb2, 0xd0, 0xa2, 0x5a, 0x66, 0x16, 0x9a,
+	0x72, 0xa1, 0xcf, 0x42, 0x3b, 0x25, 0x81, 0xf0, 0x07, 0xf2, 0xa2, 0x8c, 0x32, 0x84, 0xa9, 0x11,
+	0x12, 0x5f, 0xc5, 0x92, 0x76, 0xbd, 0x89, 0x00, 0x65, 0x78, 0xbc, 0x00, 0x88, 0xea, 0x41, 0xf1,
+	0x9c, 0x35, 0xb5, 0x0e, 0x1e, 0xcf, 0x59, 0xd3, 0x4b, 0x4a, 0xba, 0x8f, 0x8d, 0x70, 0xf9, 0xed,
+	0x8a, 0x22, 0xff, 0xdc, 0x00, 0x94, 0x2c, 0x1d, 0xa1, 0x07, 0xe9, 0xd2, 0x53, 0xab, 0xeb, 0xcd,
+	0x77, 0x5f, 0x8f, 0x39, 0xcd, 0x21, 0x47, 0x2a, 0xf5, 0x18, 0xf7, 0xe8, 0x25, 0x55, 0xea, 0xc7,
+	0x06, 0x54, 0xb5, 0xba, 0x13, 0xba, 0x97, 0xb1, 0xa6, 0xb1, 0xa2, 0x7b, 0xf3, 0xed, 0x57, 0xf2,
+	0xa5, 0x25, 0xf3, 0xca, 0x0e, 0x90, 0xb7, 0x9a, 0x9f, 0x1a, 0x50, 0xd3, 0xeb, 0x54, 0x28, 0x43,
+	0x76, 0xa2, 0x68, 0xdf, 0x5c, 0x7f, 0x35, 0xe3, 0xd5, 0xcb, 0x13, 0x5d, 0x68, 0x06, 0x50, 0x10,
+	0x95, 0xad, 0xb4, 0x8d, 0xaf, 0x97, 0xfb, 0xd3, 0x36, 0x7e, 0xac, 0x2c, 0x96, 0xb2, 0xf1, 0x3d,
+	0x77, 0x40, 0x94, 0x63, 0x26, 0x4a, 0x5f, 0x59, 0x68, 0x57, 0x1f, 0xb3, 0x58, 0xdd, 0x2c, 0x0b,
+	0x2d, 0x3a, 0x66, 0xb2, 0xe6, 0x85, 0x32, 0x84, 0xbd, 0xe2, 0x98, 0xc5, 0x4b, 0x66, 0x29, 0xc7,
+	0x8c, 0x01, 0x2a, 0xc7, 0x2c, 0xaa, 0x4e, 0xa5, 0x1d, 0xb3, 0xc4, 0xeb, 0x45, 0xda, 0x31, 0x4b,
+	0x16, 0xb8, 0x52, 0xd6, 0x91, 0xe1, 0x6a, 0xc7, 0x6c, 0x29, 0xa5, 0x90, 0x85, 0xde, 0xcd, 0x30,
+	0x62, 0xea, 0xa3, 0x48, 0xf3, 0xbd, 0xd7, 0xe4, 0xce, 0xdc, 0xe3, 0xdc, 0xfc, 0x72, 0x8f, 0xff,
+	0x9d, 0x01, 0xcb, 0x69, 0x45, 0x30, 0x94, 0x81, 0x93, 0xf1, 0x98, 0xd2, 0xdc, 0x78, 0x5d, 0xf6,
+	0xab, 0xad, 0x15, 0xee, 0xfa, 0x47, 0xf5, 0x7f, 0xfb, 0x72, 0xd5, 0xf8, 0xcf, 0x2f, 0x57, 0x8d,
+	0xff, 0xf9, 0x72, 0xd5, 0xf8, 0xfb, 0xff, 0x5d, 0x9d, 0x39, 0x99, 0x67, 0xff, 0xd5, 0xf8, 0xdb,
+	0xbf, 0x0d, 0x00, 0x00, 0xff, 0xff, 0x8b, 0x54, 0x11, 0xdf, 0xef, 0x3c, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.

api/etcdserverpb/rpc.proto

@@ -217,7 +217,7 @@ service Maintenance {
   // It only iterates "key" bucket in backend storage.
   rpc HashKV(HashKVRequest) returns (HashKVResponse) {
       option (google.api.http) = {
-        post: "/v3/maintenance/hash"
+        post: "/v3/maintenance/hashkv"
         body: "*"
     };
   }

api/go.mod

@@ -1,14 +1,24 @@
 module go.etcd.io/etcd/api/v3
 
-go 1.16
+go 1.20
 
 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/golang/protobuf v1.5.3
 	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/googleapis/api v0.0.0-20230711160842-782d3b101e98
+	google.golang.org/grpc v1.58.3
+)
+
+require (
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	google.golang.org/genproto v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
 )
 
 // Bad imports are sometimes causing attempts to pull that code.

api/go.sum

@@ -5,14 +5,11 @@ github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kd
 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 v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/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 v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
 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=
@@ -22,33 +19,20 @@ github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfb
 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 v1.3.3/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=
-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/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/golang/protobuf v1.5.3/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/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0 h1:gmcG1KaJ57LophUzW0Hy8NmPhnMZb4M0+kPpLofRdBo=
 github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw=
 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/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/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/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -69,8 +53,9 @@ 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 v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
+golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
 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=
@@ -83,11 +68,13 @@ golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5h
 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 v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
+golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 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 v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
+golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 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=
@@ -99,37 +86,32 @@ golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4f
 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=
-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 v0.0.0-20200513103714-09dca8ec2884/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 v0.0.0-20230711160842-782d3b101e98 h1:Z0hjGZePRE0ZBWotvtrwxFNrNE9CUAGtplaDK5NNI/g=
+google.golang.org/genproto v0.0.0-20230711160842-782d3b101e98/go.mod h1:S7mY02OqCJTD0E1OiQy1F72PWFB4bZJ87cAtLPYgDR0=
+google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98 h1:FmF5cCW94Ij59cfpoLiwTgodWmm60eEV0CjlsVg2fuw=
+google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98/go.mod h1:rsr7RhLuwsDKL7RmgDDCUc6yaGr1iqceVb5Wv6f6YvQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 h1:bVf09lpb+OJbByTj913DRJioFFAjf/ZGxEz7MajTp2U=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98/go.mod h1:TUfxEVdsvPg18p6AslUXFoLdpED4oBnGwyqk3dV1XzM=
 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/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/grpc v1.58.3 h1:BjnpXut1btbtgN/6sp+brB2Kbm2LjNXnidYujAVbSoQ=
+google.golang.org/grpc v1.58.3/go.mod h1:tgX3ZQDlNJGU96V6yHh1T/JeoBQ2TXdr43YbYSsCJk0=
 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 v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 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=
 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

@@ -45,6 +45,7 @@ var (
 	ErrGRPCMemberNotLearner       = status.New(codes.FailedPrecondition, "etcdserver: can only promote a learner member").Err()
 	ErrGRPCLearnerNotReady        = status.New(codes.FailedPrecondition, "etcdserver: can only promote a learner member which is in sync with leader").Err()
 	ErrGRPCTooManyLearners        = status.New(codes.FailedPrecondition, "etcdserver: too many learner members in cluster").Err()
+	ErrGRPCClusterIdMismatch      = status.New(codes.FailedPrecondition, "etcdserver: cluster ID mismatch").Err()
 
 	ErrGRPCRequestTooLarge        = status.New(codes.InvalidArgument, "etcdserver: request is too large").Err()
 	ErrGRPCRequestTooManyRequests = status.New(codes.ResourceExhausted, "etcdserver: too many requests").Err()
@@ -58,12 +59,14 @@ 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 +76,7 @@ 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()
@@ -111,6 +115,7 @@ var (
 		ErrorDesc(ErrGRPCMemberNotLearner):       ErrGRPCMemberNotLearner,
 		ErrorDesc(ErrGRPCLearnerNotReady):        ErrGRPCLearnerNotReady,
 		ErrorDesc(ErrGRPCTooManyLearners):        ErrGRPCTooManyLearners,
+		ErrorDesc(ErrGRPCClusterIdMismatch):      ErrGRPCClusterIdMismatch,
 
 		ErrorDesc(ErrGRPCRequestTooLarge):        ErrGRPCRequestTooLarge,
 		ErrorDesc(ErrGRPCRequestTooManyRequests): ErrGRPCRequestTooManyRequests,
@@ -130,6 +135,7 @@ var (
 		ErrorDesc(ErrGRPCAuthNotEnabled):       ErrGRPCAuthNotEnabled,
 		ErrorDesc(ErrGRPCInvalidAuthToken):     ErrGRPCInvalidAuthToken,
 		ErrorDesc(ErrGRPCInvalidAuthMgmt):      ErrGRPCInvalidAuthMgmt,
+		ErrorDesc(ErrGRPCAuthOldRevision):      ErrGRPCAuthOldRevision,
 
 		ErrorDesc(ErrGRPCNoLeader):                   ErrGRPCNoLeader,
 		ErrorDesc(ErrGRPCNotLeader):                  ErrGRPCNotLeader,
@@ -194,7 +200,9 @@ var (
 	ErrPermissionNotGranted = Error(ErrGRPCPermissionNotGranted)
 	ErrAuthNotEnabled       = Error(ErrGRPCAuthNotEnabled)
 	ErrInvalidAuthToken     = Error(ErrGRPCInvalidAuthToken)
+	ErrAuthOldRevision      = Error(ErrGRPCAuthOldRevision)
 	ErrInvalidAuthMgmt      = Error(ErrGRPCInvalidAuthMgmt)
+	ErrClusterIdMismatch    = Error(ErrGRPCClusterIdMismatch)
 
 	ErrNoLeader                   = Error(ErrGRPCNoLeader)
 	ErrNotLeader                  = Error(ErrGRPCNotLeader)
@@ -204,6 +212,7 @@ 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           = "3.5.10"
 	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
 			}
 		]
@@ -44,24 +44,6 @@
 			}
 		]
 	},
-	{
-		"project": "github.com/cockroachdb/errors",
-		"licenses": [
-			{
-				"type": "Apache License 2.0",
-				"confidence": 1
-			}
-		]
-	},
-	{
-		"project": "github.com/cockroachdb/logtags",
-		"licenses": [
-			{
-				"type": "Apache License 2.0",
-				"confidence": 1
-			}
-		]
-	},
 	{
 		"project": "github.com/coreos/go-semver/semver",
 		"licenses": [
@@ -125,24 +107,6 @@
 			}
 		]
 	},
-	{
-		"project": "github.com/form3tech-oss/jwt-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
-			}
-		]
-	},
 	{
 		"project": "github.com/gogo/protobuf",
 		"licenses": [
@@ -152,6 +116,15 @@
 			}
 		]
 	},
+	{
+		"project": "github.com/golang-jwt/jwt/v4",
+		"licenses": [
+			{
+				"type": "MIT License",
+				"confidence": 0.9891304347826086
+			}
+		]
+	},
 	{
 		"project": "github.com/golang/groupcache/lru",
 		"licenses": [
@@ -287,15 +260,6 @@
 			}
 		]
 	},
-	{
-		"project": "github.com/pkg/errors",
-		"licenses": [
-			{
-				"type": "BSD 2-clause \"Simplified\" License",
-				"confidence": 1
-			}
-		]
-	},
 	{
 		"project": "github.com/pmezard/go-difflib/difflib",
 		"licenses": [
@@ -539,15 +503,6 @@
 			}
 		]
 	},
-	{
-		"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 +522,7 @@
 		]
 	},
 	{
-		"project": "go.opentelemetry.io/otel/exporters/otlp",
+		"project": "go.opentelemetry.io/otel/exporters/otlp/otlptrace",
 		"licenses": [
 			{
 				"type": "Apache License 2.0",
@@ -576,7 +531,7 @@
 		]
 	},
 	{
-		"project": "go.opentelemetry.io/otel/metric",
+		"project": "go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc",
 		"licenses": [
 			{
 				"type": "Apache License 2.0",
@@ -593,24 +548,6 @@
 			}
 		]
 	},
-	{
-		"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": [
@@ -675,7 +612,16 @@
 		]
 	},
 	{
-		"project": "golang.org/x/sys",
+		"project": "golang.org/x/sync/errgroup",
+		"licenses": [
+			{
+				"type": "BSD 3-clause \"New\" or \"Revised\" License",
+				"confidence": 0.9663865546218487
+			}
+		]
+	},
+	{
+		"project": "golang.org/x/sys/unix",
 		"licenses": [
 			{
 				"type": "BSD 3-clause \"New\" or \"Revised\" License",
@@ -702,7 +648,25 @@
 		]
 	},
 	{
-		"project": "google.golang.org/genproto",
+		"project": "google.golang.org/genproto/googleapis/api",
+		"licenses": [
+			{
+				"type": "Apache License 2.0",
+				"confidence": 1
+			}
+		]
+	},
+	{
+		"project": "google.golang.org/genproto/googleapis/rpc",
+		"licenses": [
+			{
+				"type": "Apache License 2.0",
+				"confidence": 1
+			}
+		]
+	},
+	{
+		"project": "google.golang.org/genproto/protobuf/field_mask",
 		"licenses": [
 			{
 				"type": "Apache License 2.0",

build

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+set -euo pipefail
+
 echo -e "\\e[91mDEPRECATED!!! Use build.sh script instead.\\e[0m\\n"
 sleep 1
 

build.sh

@@ -1,24 +1,30 @@
 #!/usr/bin/env bash
 
+set -euo pipefail
+
 source ./scripts/test_lib.sh
 
 GIT_SHA=$(git rev-parse --short HEAD || echo "GitNotFound")
-if [[ -n "$FAILPOINTS" ]]; then
+if [[ -n "${FAILPOINTS:-}" ]]; then
   GIT_SHA="$GIT_SHA"-FAILPOINTS
 fi
 
 VERSION_SYMBOL="${ROOT_MODULE}/api/v3/version.GitSHA"
 
+# use go env if noset
+GOOS=${GOOS:-$(go env GOOS)}
+GOARCH=${GOARCH:-$(go env GOARCH)}
+
 # Set GO_LDFLAGS="-s" for building without symbols for debugging.
 # shellcheck disable=SC2206
-GO_LDFLAGS=(${GO_LDFLAGS} "-X=${VERSION_SYMBOL}=${GIT_SHA}")
-GO_BUILD_ENV=("CGO_ENABLED=0" "GO_BUILD_FLAGS=${GO_BUILD_FLAGS}" "GOOS=${GOOS}" "GOARCH=${GOARCH}")
+GO_LDFLAGS=(${GO_LDFLAGS:-} "-X=${VERSION_SYMBOL}=${GIT_SHA}")
+GO_BUILD_ENV=("CGO_ENABLED=0" "GO_BUILD_FLAGS=${GO_BUILD_FLAGS:-}" "GOOS=${GOOS}" "GOARCH=${GOARCH}")
 
 # enable/disable failpoints
 toggle_failpoints() {
   mode="$1"
   if command -v gofail >/dev/null 2>&1; then
-    run gofail "$mode" server/etcdserver/ server/mvcc/backend/
+    run gofail "$mode" server/etcdserver/ server/mvcc/backend/ server/wal/
   elif [[ "$mode" != "disable" ]]; then
     log_error "FAILPOINTS set but gofail not found"
     exit 1
@@ -27,13 +33,13 @@ toggle_failpoints() {
 
 toggle_failpoints_default() {
   mode="disable"
-  if [[ -n "$FAILPOINTS" ]]; then mode="enable"; fi
+  if [[ -n "${FAILPOINTS:-}" ]]; then mode="enable"; fi
   toggle_failpoints "$mode"
 }
 
 etcd_build() {
   out="bin"
-  if [[ -n "${BINDIR}" ]]; then out="${BINDIR}"; fi
+  if [[ -n "${BINDIR:-}" ]]; then out="${BINDIR}"; fi
   toggle_failpoints_default
 
   run rm -f "${out}/etcd"
@@ -41,7 +47,8 @@ etcd_build() {
     cd ./server
     # 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 $GO_BUILD_FLAGS \
+    run env "${GO_BUILD_ENV[@]}" go build ${GO_BUILD_FLAGS:-} \
+      -trimpath \
       -installsuffix=cgo \
       "-ldflags=${GO_LDFLAGS[*]}" \
       -o="../${out}/etcd" . || return 2
@@ -51,7 +58,8 @@ etcd_build() {
   # shellcheck disable=SC2086
   (
     cd ./etcdutl
-    run env GO_BUILD_FLAGS="${GO_BUILD_FLAGS}" "${GO_BUILD_ENV[@]}" go build $GO_BUILD_FLAGS \
+    run env GO_BUILD_FLAGS="${GO_BUILD_FLAGS:-}" "${GO_BUILD_ENV[@]}" go build ${GO_BUILD_FLAGS:-} \
+      -trimpath \
       -installsuffix=cgo \
       "-ldflags=${GO_LDFLAGS[*]}" \
       -o="../${out}/etcdutl" . || return 2
@@ -61,7 +69,8 @@ etcd_build() {
   # shellcheck disable=SC2086
   (
     cd ./etcdctl
-    run env GO_BUILD_FLAGS="${GO_BUILD_FLAGS}" "${GO_BUILD_ENV[@]}" go build $GO_BUILD_FLAGS \
+    run env GO_BUILD_FLAGS="${GO_BUILD_FLAGS:-}" "${GO_BUILD_ENV[@]}" go build ${GO_BUILD_FLAGS:-} \
+      -trimpath \
       -installsuffix=cgo \
       "-ldflags=${GO_LDFLAGS[*]}" \
       -o="../${out}/etcdctl" . || return 2
@@ -81,7 +90,7 @@ etcd_build() {
 
 tools_build() {
   out="bin"
-  if [[ -n "${BINDIR}" ]]; then out="${BINDIR}"; fi
+  if [[ -n "${BINDIR:-}" ]]; then out="${BINDIR}"; fi
   tools_path="tools/benchmark
     tools/etcd-dump-db
     tools/etcd-dump-logs
@@ -91,9 +100,10 @@ tools_build() {
     echo "Building" "'${tool}'"...
     run rm -f "${out}/${tool}"
     # shellcheck disable=SC2086
-    run env GO_BUILD_FLAGS="${GO_BUILD_FLAGS}" CGO_ENABLED=0 go build ${GO_BUILD_FLAGS} \
+    run env GO_BUILD_FLAGS="${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 "${@}"
@@ -101,7 +111,7 @@ tools_build() {
 
 tests_build() {
   out="bin"
-  if [[ -n "${BINDIR}" ]]; then out="${BINDIR}"; fi
+  if [[ -n "${BINDIR:-}" ]]; then out="${BINDIR}"; fi
   tools_path="
     functional/cmd/etcd-agent
     functional/cmd/etcd-proxy
@@ -114,9 +124,9 @@ tests_build() {
       run rm -f "../${out}/${tool}"
 
       # shellcheck disable=SC2086
-      run env CGO_ENABLED=0 GO_BUILD_FLAGS="${GO_BUILD_FLAGS}" go build ${GO_BUILD_FLAGS} \
+      run env CGO_ENABLED=0 GO_BUILD_FLAGS="${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 1.20
 
 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 v1.8.1
+	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 v3.0.1 // indirect
 )

client/pkg/go.sum

@@ -1,96 +1,35 @@
-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=
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 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=
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-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=
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-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
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client/pkg/logutil/zap.go

@@ -16,11 +16,23 @@ package logutil
 
 import (
 	"sort"
+	"time"
 
 	"go.uber.org/zap"
 	"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)),
@@ -35,15 +47,20 @@ var DefaultZapLoggerConfig = zap.Config{
 
 	// copied from "zap.NewProductionEncoderConfig" with some updates
 	EncoderConfig: zapcore.EncoderConfig{
-		TimeKey:        "ts",
-		LevelKey:       "level",
-		NameKey:        "logger",
-		CallerKey:      "caller",
-		MessageKey:     "msg",
-		StacktraceKey:  "stacktrace",
-		LineEnding:     zapcore.DefaultLineEnding,
-		EncodeLevel:    zapcore.LowercaseLevelEncoder,
-		EncodeTime:     zapcore.ISO8601TimeEncoder,
+		TimeKey:       "ts",
+		LevelKey:      "level",
+		NameKey:       "logger",
+		CallerKey:     "caller",
+		MessageKey:    "msg",
+		StacktraceKey: "stacktrace",
+		LineEnding:    zapcore.DefaultLineEnding,
+		EncodeLevel:   zapcore.LowercaseLevelEncoder,
+
+		// Custom EncodeTime function to ensure we match format and precision of historic capnslog timestamps
+		EncodeTime: func(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
+			enc.AppendString(t.Format("2006-01-02T15:04:05.999999Z0700"))
+		},
+
 		EncodeDuration: zapcore.StringDurationEncoder,
 		EncodeCaller:   zapcore.ShortCallerEncoder,
 	},

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/tlsutil/versions.go

@@ -0,0 +1,47 @@
+// Copyright 2023 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 tlsutil
+
+import (
+	"crypto/tls"
+	"fmt"
+)
+
+type TLSVersion string
+
+// Constants for TLS versions.
+const (
+	TLSVersionDefault TLSVersion = ""
+	TLSVersion12      TLSVersion = "TLS1.2"
+	TLSVersion13      TLSVersion = "TLS1.3"
+)
+
+// GetTLSVersion returns the corresponding tls.Version or error.
+func GetTLSVersion(version string) (uint16, error) {
+	var v uint16
+
+	switch version {
+	case string(TLSVersionDefault):
+		v = 0 // 0 means let Go decide.
+	case string(TLSVersion12):
+		v = tls.VersionTLS12
+	case string(TLSVersion13):
+		v = tls.VersionTLS13
+	default:
+		return 0, fmt.Errorf("unexpected TLS version %q (must be one of: TLS1.2, TLS1.3)", version)
+	}
+
+	return v, nil
+}

client/pkg/tlsutil/versions_test.go

@@ -0,0 +1,63 @@
+// Copyright 2023 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 tlsutil
+
+import (
+	"crypto/tls"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetVersion(t *testing.T) {
+	tests := []struct {
+		name        string
+		version     string
+		want        uint16
+		expectError bool
+	}{
+		{
+			name:    "TLS1.2",
+			version: "TLS1.2",
+			want:    tls.VersionTLS12,
+		},
+		{
+			name:    "TLS1.3",
+			version: "TLS1.3",
+			want:    tls.VersionTLS13,
+		},
+		{
+			name:    "Empty version",
+			version: "",
+			want:    0,
+		},
+		{
+			name:        "Converting invalid version string to TLS version",
+			version:     "not_existing",
+			expectError: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got, err := GetTLSVersion(tt.version)
+			if err != nil {
+				assert.True(t, tt.expectError, "GetTLSVersion() returned error while expecting success: %v", err)
+				return
+			}
+			assert.Equal(t, tt.want, got)
+		})
+	}
+}

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
@@ -152,6 +165,14 @@ type TLSInfo struct {
 	// Note that cipher suites are prioritized in the given order.
 	CipherSuites []uint16
 
+	// MinVersion is the minimum TLS version that is acceptable.
+	// If not set, the minimum version is TLS 1.2.
+	MinVersion uint16
+
+	// MaxVersion is the maximum TLS version that is acceptable.
+	// If not set, the default used by Go is selected (see tls.Config.MaxVersion).
+	MaxVersion uint16
+
 	selfCert bool
 
 	// parseFunc exists to simplify testing. Typically, parseFunc
@@ -192,7 +213,7 @@ 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(
@@ -326,8 +347,8 @@ func SelfCert(lg *zap.Logger, dirpath string, hosts []string, selfSignedCertVali
 // Previously,
 // 1. Server has non-empty (*tls.Config).Certificates on client hello
 // 2. Server calls (*tls.Config).GetCertificate iff:
-//    - Server's (*tls.Config).Certificates is not empty, or
-//    - Client supplies SNI; non-empty (*tls.ClientHelloInfo).ServerName
+//   - Server's (*tls.Config).Certificates is not empty, or
+//   - Client supplies SNI; non-empty (*tls.ClientHelloInfo).ServerName
 //
 // When (*tls.Config).Certificates is always populated on initial handshake,
 // client is expected to provide a valid matching SNI to pass the TLS
@@ -365,8 +386,17 @@ func (info TLSInfo) baseConfig() (*tls.Config, error) {
 		}
 	}
 
+	var minVersion uint16
+	if info.MinVersion != 0 {
+		minVersion = info.MinVersion
+	} else {
+		// Default minimum version is TLS 1.2, previous versions are insecure and deprecated.
+		minVersion = tls.VersionTLS12
+	}
+
 	cfg := &tls.Config{
-		MinVersion: tls.VersionTLS12,
+		MinVersion: minVersion,
+		MaxVersion: info.MaxVersion,
 		ServerName: info.ServerName,
 	}
 
@@ -497,11 +527,6 @@ func (info TLSInfo) ServerConfig() (*tls.Config, error) {
 	// "h2" NextProtos is necessary for enabling HTTP2 for go's HTTP server
 	cfg.NextProtos = []string{"h2"}
 
-	// go1.13 enables TLS 1.3 by default
-	// and in TLS 1.3, cipher suites are not configurable
-	// setting Max TLS version to TLS 1.2 for go 1.13
-	cfg.MaxVersion = tls.VersionTLS12
-
 	return cfg, nil
 }
 
@@ -556,11 +581,6 @@ func (info TLSInfo) ClientConfig() (*tls.Config, error) {
 		}
 	}
 
-	// go1.13 enables TLS 1.3 by default
-	// and in TLS 1.3, cipher suites are not configurable
-	// setting Max TLS version to TLS 1.2 for go 1.13
-	cfg.MaxVersion = tls.VersionTLS12
-
 	return cfg, nil
 }
 

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.go

@@ -21,12 +21,12 @@ type SocketOpts struct {
 	// in which case lock on data file could result in unexpected
 	// condition. User should take caution to protect against lock race.
 	// [1] https://man7.org/linux/man-pages/man7/socket.7.html
-	ReusePort bool
+	ReusePort bool `json:"reuse-port"`
 	// ReuseAddress enables a socket option SO_REUSEADDR which allows
 	// binding to an address in `TIME_WAIT` state. Useful to improve MTTR
 	// in cases where etcd slow to restart due to excessive `TIME_WAIT`.
 	// [1] https://man7.org/linux/man-pages/man7/socket.7.html
-	ReuseAddress bool
+	ReuseAddress bool `json:"reuse-address"`
 }
 
 func getControls(sopts *SocketOpts) Controls {

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/pkg/transport/tls.go

@@ -15,6 +15,7 @@
 package transport
 
 import (
+	"context"
 	"fmt"
 	"strings"
 	"time"
@@ -27,6 +28,8 @@ func ValidateSecureEndpoints(tlsInfo TLSInfo, eps []string) ([]string, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer t.CloseIdleConnections()
+
 	var errs []string
 	var endpoints []string
 	for _, ep := range eps {
@@ -34,7 +37,7 @@ func ValidateSecureEndpoints(tlsInfo TLSInfo, eps []string) ([]string, error) {
 			errs = append(errs, fmt.Sprintf("%q is insecure", ep))
 			continue
 		}
-		conn, cerr := t.Dial("tcp", ep[len("https://"):])
+		conn, cerr := t.DialContext(context.Background(), "tcp", ep[len("https://"):])
 		if cerr != nil {
 			errs = append(errs, fmt.Sprintf("%q failed to dial (%v)", ep, cerr))
 			continue

client/pkg/transport/tls_test.go

@@ -0,0 +1,90 @@
+// 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 transport
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"reflect"
+	"testing"
+)
+
+func TestValidateSecureEndpoints(t *testing.T) {
+	tlsInfo, certCleanup, err := createSelfCert()
+	if err != nil {
+		t.Fatalf("unable to create cert: %v", err)
+	}
+	defer certCleanup()
+
+	remoteAddr := func(w http.ResponseWriter, r *http.Request) {
+		w.Write([]byte(r.RemoteAddr))
+	}
+	srv := httptest.NewServer(http.HandlerFunc(remoteAddr))
+	defer srv.Close()
+
+	tests := map[string]struct {
+		endPoints         []string
+		expectedEndpoints []string
+		expectedErr       bool
+	}{
+		"invalidEndPoints": {
+			endPoints: []string{
+				"invalid endpoint",
+			},
+			expectedEndpoints: nil,
+			expectedErr:       true,
+		},
+		"insecureEndpoints": {
+			endPoints: []string{
+				"http://127.0.0.1:8000",
+				"http://" + srv.Listener.Addr().String(),
+			},
+			expectedEndpoints: nil,
+			expectedErr:       true,
+		},
+		"secureEndPoints": {
+			endPoints: []string{
+				"https://" + srv.Listener.Addr().String(),
+			},
+			expectedEndpoints: []string{
+				"https://" + srv.Listener.Addr().String(),
+			},
+			expectedErr: false,
+		},
+		"mixEndPoints": {
+			endPoints: []string{
+				"https://" + srv.Listener.Addr().String(),
+				"http://" + srv.Listener.Addr().String(),
+				"invalid end points",
+			},
+			expectedEndpoints: []string{
+				"https://" + srv.Listener.Addr().String(),
+			},
+			expectedErr: true,
+		},
+	}
+	for name, test := range tests {
+		t.Run(name, func(t *testing.T) {
+			secureEps, err := ValidateSecureEndpoints(*tlsInfo, test.endPoints)
+			if test.expectedErr != (err != nil) {
+				t.Errorf("Unexpected error, got: %v, want: %v", err, test.expectedErr)
+			}
+
+			if !reflect.DeepEqual(test.expectedEndpoints, secureEps) {
+				t.Errorf("expected endpoints %v, got %v", test.expectedEndpoints, secureEps)
+			}
+		})
+	}
+}

client/v2/doc.go

@@ -68,6 +68,5 @@ Use a custom context to set timeouts on your operations:
 			// handle error
 		}
 	}
-
 */
 package client

client/v2/go.mod

@@ -1,12 +1,17 @@
 module go.etcd.io/etcd/client/v2
 
-go 1.16
+go 1.20
 
 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 v3.5.10
+	go.etcd.io/etcd/client/pkg/v3 v3.5.10
+)
+
+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

@@ -1,145 +1,20 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-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/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/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=
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-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 v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-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 v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
-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/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=
-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=
+github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

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
@@ -261,6 +264,7 @@ func (c *Client) getToken(ctx context.Context) error {
 	resp, err := c.Auth.Authenticate(ctx, c.Username, c.Password)
 	if err != nil {
 		if err == rpctypes.ErrAuthNotEnabled {
+			c.authTokenBundle.UpdateAuthToken("")
 			return nil
 		}
 		return err
@@ -283,8 +287,7 @@ 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 +299,7 @@ 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 +307,20 @@ 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 +371,10 @@ 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 +383,7 @@ 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 {
@@ -483,7 +502,7 @@ func (c *Client) checkVersion() (err error) {
 					return
 				}
 			}
-			if maj < 3 || (maj == 3 && min < 2) {
+			if maj < 3 || (maj == 3 && min < 4) {
 				rerr = ErrOldCluster
 			}
 			errc <- rerr
@@ -491,7 +510,7 @@ func (c *Client) checkVersion() (err error) {
 	}
 	// wait for success
 	for range eps {
-		if err = <-errc; err == nil {
+		if err = <-errc; err != nil {
 			break
 		}
 	}

client/v3/client_test.go

@@ -17,13 +17,16 @@ package clientv3
 import (
 	"context"
 	"fmt"
-	"go.uber.org/zap"
+	"io"
 	"net"
+	"sync"
 	"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 +38,7 @@ 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 +90,7 @@ func TestDialCancel(t *testing.T) {
 }
 
 func TestDialTimeout(t *testing.T) {
-	testutil.BeforeTest(t)
+	testutil.RegisterLeakDetection(t)
 
 	wantError := context.DeadlineExceeded
 
@@ -198,3 +201,194 @@ 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
+}
+
+func TestClientRejectOldCluster(t *testing.T) {
+	testutil.RegisterLeakDetection(t)
+	var tests = []struct {
+		name          string
+		endpoints     []string
+		versions      []string
+		expectedError error
+	}{
+		{
+			name:          "all new versions with the same value",
+			endpoints:     []string{"192.168.3.41:22379", "192.168.3.41:22479", "192.168.3.41:22579"},
+			versions:      []string{"3.5.4", "3.5.4", "3.5.4"},
+			expectedError: nil,
+		},
+		{
+			name:          "all new versions with different values",
+			endpoints:     []string{"192.168.3.41:22379", "192.168.3.41:22479", "192.168.3.41:22579"},
+			versions:      []string{"3.5.4", "3.5.4", "3.4.0"},
+			expectedError: nil,
+		},
+		{
+			name:          "all old versions with different values",
+			endpoints:     []string{"192.168.3.41:22379", "192.168.3.41:22479", "192.168.3.41:22579"},
+			versions:      []string{"3.3.0", "3.3.0", "3.4.0"},
+			expectedError: ErrOldCluster,
+		},
+		{
+			name:          "all old versions with the same value",
+			endpoints:     []string{"192.168.3.41:22379", "192.168.3.41:22479", "192.168.3.41:22579"},
+			versions:      []string{"3.3.0", "3.3.0", "3.3.0"},
+			expectedError: ErrOldCluster,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if len(tt.endpoints) != len(tt.versions) || len(tt.endpoints) == 0 {
+				t.Errorf("Unexpected endpoints and versions length, len(endpoints):%d, len(versions):%d", len(tt.endpoints), len(tt.versions))
+				return
+			}
+			endpointToVersion := make(map[string]string)
+			for j := range tt.endpoints {
+				endpointToVersion[tt.endpoints[j]] = tt.versions[j]
+			}
+			c := &Client{
+				ctx: context.Background(),
+				cfg: Config{
+					Endpoints: tt.endpoints,
+				},
+				mu: new(sync.RWMutex),
+				Maintenance: &mockMaintenance{
+					Version: endpointToVersion,
+				},
+			}
+
+			if err := c.checkVersion(); err != tt.expectedError {
+				t.Errorf("heckVersion err:%v", err)
+			}
+		})
+
+	}
+
+}
+
+type mockMaintenance struct {
+	Version map[string]string
+}
+
+func (mm mockMaintenance) Status(ctx context.Context, endpoint string) (*StatusResponse, error) {
+	return &StatusResponse{Version: mm.Version[endpoint]}, nil
+}
+
+func (mm mockMaintenance) AlarmList(ctx context.Context) (*AlarmResponse, error) {
+	return nil, nil
+}
+
+func (mm mockMaintenance) AlarmDisarm(ctx context.Context, m *AlarmMember) (*AlarmResponse, error) {
+	return nil, nil
+}
+
+func (mm mockMaintenance) Defragment(ctx context.Context, endpoint string) (*DefragmentResponse, error) {
+	return nil, nil
+}
+
+func (mm mockMaintenance) HashKV(ctx context.Context, endpoint string, rev int64) (*HashKVResponse, error) {
+	return nil, nil
+}
+
+func (mm mockMaintenance) Snapshot(ctx context.Context) (io.ReadCloser, error) {
+	return nil, nil
+}
+
+func (mm mockMaintenance) MoveLeader(ctx context.Context, transfereeID uint64) (*MoveLeaderResponse, error) {
+	return nil, nil
+}

client/v3/doc.go

@@ -61,7 +61,8 @@
 //
 //  1. context error: canceled or deadline exceeded.
 //  2. gRPC error: e.g. when clock drifts in server-side before client's context deadline exceeded.
-//  See https://github.com/etcd-io/etcd/blob/main/api/v3rpc/rpctypes/error.go
+//
+// See https://github.com/etcd-io/etcd/blob/main/api/v3rpc/rpctypes/error.go
 //
 // Here is the example code to handle client errors:
 //
@@ -102,5 +103,4 @@
 // The grpc load balancer is registered statically and is shared across etcd clients.
 // To enable detailed load balancer logging, set the ETCD_CLIENT_DEBUG environment
 // variable.  E.g. "ETCD_CLIENT_DEBUG=1".
-//
 package clientv3

client/v3/experimental/recipes/barrier.go

@@ -49,7 +49,7 @@ func (b *Barrier) Release() error {
 // Wait blocks on the barrier key until it is deleted. If there is no key, Wait
 // assumes Release has already been called and returns immediately.
 func (b *Barrier) Wait() error {
-	resp, err := b.client.Get(b.ctx, b.key, v3.WithFirstKey()...)
+	resp, err := b.client.Get(b.ctx, b.key)
 	if err != nil {
 		return err
 	}

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 +1,41 @@
 module go.etcd.io/etcd/client/v3
 
-go 1.16
+go 1.20
 
 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 v3.5.10
+	go.etcd.io/etcd/client/pkg/v3 v3.5.10
+	go.uber.org/zap v1.17.0
+	google.golang.org/grpc v1.58.3
 	sigs.k8s.io/yaml v1.2.0
 )
 
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // 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/protobuf v1.5.3 // 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 v0.17.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	google.golang.org/genproto v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/protobuf v1.31.0 // 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

@@ -1,79 +1,68 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 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/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 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/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 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/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 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=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 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 v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
-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/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=
 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 v1.3.1/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=
 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 v1.4.3/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=
-github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 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=
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 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 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/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=
@@ -87,141 +76,133 @@ 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=
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-github.com/prometheus/client_golang v1.5.1 h1:bdHYieyGlH+6OLEk2YQha8THib30KP0/yD0YH9m6xcA=
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 github.com/prometheus/client_model v0.0.0-20190129233127-fd36f4220a90/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
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+google.golang.org/genproto v0.0.0-20230711160842-782d3b101e98/go.mod h1:S7mY02OqCJTD0E1OiQy1F72PWFB4bZJ87cAtLPYgDR0=
+google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98 h1:FmF5cCW94Ij59cfpoLiwTgodWmm60eEV0CjlsVg2fuw=
+google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98/go.mod h1:rsr7RhLuwsDKL7RmgDDCUc6yaGr1iqceVb5Wv6f6YvQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 h1:bVf09lpb+OJbByTj913DRJioFFAjf/ZGxEz7MajTp2U=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98/go.mod h1:TUfxEVdsvPg18p6AslUXFoLdpED4oBnGwyqk3dV1XzM=
+google.golang.org/grpc v1.58.3 h1:BjnpXut1btbtgN/6sp+brB2Kbm2LjNXnidYujAVbSoQ=
+google.golang.org/grpc v1.58.3/go.mod h1:tgX3ZQDlNJGU96V6yHh1T/JeoBQ2TXdr43YbYSsCJk0=
 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=
+google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 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 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 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 v2.2.5/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=
-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 v2.3.0/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/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 sigs.k8s.io/yaml v1.2.0 h1:kr/MCeFWJWTwyaHoR9c8EjH9OumOmoF9YGiZd7lFm/Q=
 sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

client/v3/internal/endpoint/endpoint.go

@@ -41,12 +41,8 @@ func extractHostFromHostPort(ep string) string {
 	return host
 }
 
-func extractHostFromPath(pathStr string) string {
-	return extractHostFromHostPort(path.Base(pathStr))
-}
-
-//mustSplit2 returns the values from strings.SplitN(s, sep, 2).
-//If sep is not found, it returns ("", "", false) instead.
+// mustSplit2 returns the values from strings.SplitN(s, sep, 2).
+// If sep is not found, it returns ("", "", false) instead.
 func mustSplit2(s, sep string) (string, string) {
 	spl := strings.SplitN(s, sep, 2)
 	if len(spl) < 2 {
@@ -81,11 +77,12 @@ func schemeToCredsRequirement(schema string) CredsRequirement {
 // The main differences:
 //   - etcd supports unixs & https names as opposed to unix & http to
 //     distinguish need to configure certificates.
-//  -  etcd support http(s) names as opposed to tcp supported by grpc/dial method.
-//  -  etcd supports unix(s)://local-file naming schema
+//   - etcd support http(s) names as opposed to tcp supported by grpc/dial method.
+//   - etcd supports unix(s)://local-file naming schema
 //     (as opposed to unix:local-file canonical name used by grpc for current dir files).
-//  - Within the unix(s) schemas, the last segment (filename) without 'port' (content after colon)
-//    is considered serverName - to allow local testing of cert-protected communication.
+//   - Within the unix(s) schemas, the last segment (filename) without 'port' (content after colon)
+//     is considered serverName - to allow local testing of cert-protected communication.
+//
 // See more:
 //   - https://github.com/grpc/grpc-go/blob/26c143bd5f59344a4b8a1e491e0f5e18aa97abc7/internal/grpcutil/target.go#L47
 //   - https://golang.org/pkg/net/#Dial
@@ -95,29 +92,29 @@ func translateEndpoint(ep string) (addr string, serverName string, requireCreds
 		if strings.HasPrefix(ep, "unix:///") || strings.HasPrefix(ep, "unixs:///") {
 			// absolute path case
 			schema, absolutePath := mustSplit2(ep, "://")
-			return "unix://" + absolutePath, extractHostFromPath(absolutePath), schemeToCredsRequirement(schema)
+			return "unix://" + absolutePath, path.Base(absolutePath), schemeToCredsRequirement(schema)
 		}
 		if strings.HasPrefix(ep, "unix://") || strings.HasPrefix(ep, "unixs://") {
 			// legacy etcd local path
 			schema, localPath := mustSplit2(ep, "://")
-			return "unix:" + localPath, extractHostFromPath(localPath), schemeToCredsRequirement(schema)
+			return "unix:" + localPath, path.Base(localPath), schemeToCredsRequirement(schema)
 		}
 		schema, localPath := mustSplit2(ep, ":")
-		return "unix:" + localPath, extractHostFromPath(localPath), schemeToCredsRequirement(schema)
+		return "unix:" + localPath, path.Base(localPath), schemeToCredsRequirement(schema)
 	}
 
 	if strings.Contains(ep, "://") {
 		url, err := url.Parse(ep)
 		if err != nil {
-			return ep, extractHostFromHostPort(ep), CREDS_OPTIONAL
+			return ep, ep, CREDS_OPTIONAL
 		}
 		if url.Scheme == "http" || url.Scheme == "https" {
-			return url.Host, url.Hostname(), schemeToCredsRequirement(url.Scheme)
+			return url.Host, url.Host, schemeToCredsRequirement(url.Scheme)
 		}
-		return ep, url.Hostname(), schemeToCredsRequirement(url.Scheme)
+		return ep, url.Host, schemeToCredsRequirement(url.Scheme)
 	}
 	// Handles plain addresses like 10.0.0.44:437.
-	return ep, extractHostFromHostPort(ep), CREDS_OPTIONAL
+	return ep, ep, CREDS_OPTIONAL
 }
 
 // RequiresCredentials returns whether given endpoint requires

client/v3/internal/endpoint/endpoint_test.go

@@ -27,35 +27,35 @@ func Test_interpret(t *testing.T) {
 	}{
 		{"127.0.0.1", "127.0.0.1", "127.0.0.1", CREDS_OPTIONAL},
 		{"localhost", "localhost", "localhost", CREDS_OPTIONAL},
-		{"localhost:8080", "localhost:8080", "localhost", CREDS_OPTIONAL},
+		{"localhost:8080", "localhost:8080", "localhost:8080", CREDS_OPTIONAL},
 
 		{"unix:127.0.0.1", "unix:127.0.0.1", "127.0.0.1", CREDS_OPTIONAL},
-		{"unix:127.0.0.1:8080", "unix:127.0.0.1:8080", "127.0.0.1", CREDS_OPTIONAL},
+		{"unix:127.0.0.1:8080", "unix:127.0.0.1:8080", "127.0.0.1:8080", CREDS_OPTIONAL},
 
 		{"unix://127.0.0.1", "unix:127.0.0.1", "127.0.0.1", CREDS_OPTIONAL},
-		{"unix://127.0.0.1:8080", "unix:127.0.0.1:8080", "127.0.0.1", CREDS_OPTIONAL},
+		{"unix://127.0.0.1:8080", "unix:127.0.0.1:8080", "127.0.0.1:8080", CREDS_OPTIONAL},
 
 		{"unixs:127.0.0.1", "unix:127.0.0.1", "127.0.0.1", CREDS_REQUIRE},
-		{"unixs:127.0.0.1:8080", "unix:127.0.0.1:8080", "127.0.0.1", CREDS_REQUIRE},
+		{"unixs:127.0.0.1:8080", "unix:127.0.0.1:8080", "127.0.0.1:8080", CREDS_REQUIRE},
 		{"unixs://127.0.0.1", "unix:127.0.0.1", "127.0.0.1", CREDS_REQUIRE},
-		{"unixs://127.0.0.1:8080", "unix:127.0.0.1:8080", "127.0.0.1", CREDS_REQUIRE},
+		{"unixs://127.0.0.1:8080", "unix:127.0.0.1:8080", "127.0.0.1:8080", CREDS_REQUIRE},
 
 		{"http://127.0.0.1", "127.0.0.1", "127.0.0.1", CREDS_DROP},
-		{"http://127.0.0.1:8080", "127.0.0.1:8080", "127.0.0.1", CREDS_DROP},
+		{"http://127.0.0.1:8080", "127.0.0.1:8080", "127.0.0.1:8080", CREDS_DROP},
 		{"https://127.0.0.1", "127.0.0.1", "127.0.0.1", CREDS_REQUIRE},
-		{"https://127.0.0.1:8080", "127.0.0.1:8080", "127.0.0.1", CREDS_REQUIRE},
-		{"https://localhost:20000", "localhost:20000", "localhost", CREDS_REQUIRE},
+		{"https://127.0.0.1:8080", "127.0.0.1:8080", "127.0.0.1:8080", CREDS_REQUIRE},
+		{"https://localhost:20000", "localhost:20000", "localhost:20000", CREDS_REQUIRE},
 
 		{"unix:///tmp/abc", "unix:///tmp/abc", "abc", CREDS_OPTIONAL},
 		{"unixs:///tmp/abc", "unix:///tmp/abc", "abc", CREDS_REQUIRE},
-		{"unix:///tmp/abc:1234", "unix:///tmp/abc:1234", "abc", CREDS_OPTIONAL},
-		{"unixs:///tmp/abc:1234", "unix:///tmp/abc:1234", "abc", CREDS_REQUIRE},
+		{"unix:///tmp/abc:1234", "unix:///tmp/abc:1234", "abc:1234", CREDS_OPTIONAL},
+		{"unixs:///tmp/abc:1234", "unix:///tmp/abc:1234", "abc:1234", CREDS_REQUIRE},
 		{"etcd.io", "etcd.io", "etcd.io", CREDS_OPTIONAL},
 		{"http://etcd.io/abc", "etcd.io", "etcd.io", CREDS_DROP},
 		{"dns://something-other", "dns://something-other", "something-other", CREDS_OPTIONAL},
 
-		{"http://[2001:db8:1f70::999:de8:7648:6e8]:100/", "[2001:db8:1f70::999:de8:7648:6e8]:100", "2001:db8:1f70::999:de8:7648:6e8", CREDS_DROP},
-		{"[2001:db8:1f70::999:de8:7648:6e8]:100", "[2001:db8:1f70::999:de8:7648:6e8]:100", "2001:db8:1f70::999:de8:7648:6e8", CREDS_OPTIONAL},
+		{"http://[2001:db8:1f70::999:de8:7648:6e8]:100/", "[2001:db8:1f70::999:de8:7648:6e8]:100", "[2001:db8:1f70::999:de8:7648:6e8]:100", CREDS_DROP},
+		{"[2001:db8:1f70::999:de8:7648:6e8]:100", "[2001:db8:1f70::999:de8:7648:6e8]:100", "[2001:db8:1f70::999:de8:7648:6e8]:100", CREDS_OPTIONAL},
 		{"unix:unexpected-file_name#123$456", "unix:unexpected-file_name#123$456", "unexpected-file_name#123$456", CREDS_OPTIONAL},
 	}
 	for _, tt := range tests {

client/v3/lease.go

@@ -294,7 +294,9 @@ func (l *lessor) KeepAlive(ctx context.Context, id LeaseID) (<-chan *LeaseKeepAl
 	}
 	l.mu.Unlock()
 
-	go l.keepAliveCtxCloser(ctx, id, ka.donec)
+	if ctx.Done() != nil {
+		go l.keepAliveCtxCloser(ctx, id, ka.donec)
+	}
 	l.firstKeepAliveOnce.Do(func() {
 		go l.recvKeepAliveLoop()
 		go l.deadlineLoop()
@@ -397,7 +399,7 @@ 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 +408,15 @@ 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 +427,7 @@ 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/leasing/doc.go

@@ -19,28 +19,27 @@
 //
 // First, create a leasing KV from a clientv3.Client 'cli':
 //
-//     lkv, err := leasing.NewKV(cli, "leasing-prefix")
-//     if err != nil {
-//         // handle error
-//     }
+//	lkv, err := leasing.NewKV(cli, "leasing-prefix")
+//	if err != nil {
+//	    // handle error
+//	}
 //
 // A range request for a key "abc" tries to acquire a leasing key so it can cache the range's
 // key locally. On the server, the leasing key is stored to "leasing-prefix/abc":
 //
-//     resp, err := lkv.Get(context.TODO(), "abc")
+//	resp, err := lkv.Get(context.TODO(), "abc")
 //
 // Future linearized read requests using 'lkv' will be served locally for the lease's lifetime:
 //
-//     resp, err = lkv.Get(context.TODO(), "abc")
+//	resp, err = lkv.Get(context.TODO(), "abc")
 //
 // If another leasing client writes to a leased key, then the owner relinquishes its exclusive
 // access, permitting the writer to modify the key:
 //
-//     lkv2, err := leasing.NewKV(cli, "leasing-prefix")
-//     if err != nil {
-//         // handle error
-//     }
-//     lkv2.Put(context.TODO(), "abc", "456")
-//     resp, err = lkv.Get("abc")
-//
+//	lkv2, err := leasing.NewKV(cli, "leasing-prefix")
+//	if err != nil {
+//	    // handle error
+//	}
+//	lkv2.Put(context.TODO(), "abc", "456")
+//	resp, err = lkv.Get("abc")
 package leasing

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/namespace/doc.go

@@ -39,5 +39,4 @@
 //	resp, _ = cli.Get(context.TODO(), "abc")
 //	fmt.Printf("%s\n", resp.Kvs[0].Value)
 //	// Output: 456
-//
 package namespace

client/v3/naming/doc.go

@@ -13,10 +13,10 @@
 // limitations under the License.
 
 // Package naming provides:
-//	- subpackage endpoints: an abstraction layer to store and read endpoints
-//		information from etcd.
-//	- subpackage resolver: an etcd-backed gRPC resolver for discovering gRPC
-//		services based on the endpoints configuration
+//   - subpackage endpoints: an abstraction layer to store and read endpoints
+//     information from etcd.
+//   - subpackage resolver: an etcd-backed gRPC resolver for discovering gRPC
+//     services based on the endpoints configuration
 //
 // To use, first import the packages:
 //
@@ -55,5 +55,4 @@
 //		em := endpoints.NewManager(c, service)
 //		return em.AddEndpoint(c.Ctx(), service+"/"+addr, endpoints.Endpoint{Addr:addr}, clientv3.WithLease(lid));
 //	}
-//
 package naming

client/v3/naming/endpoints/endpoints_impl.go

@@ -78,7 +78,8 @@ func (m *endpointManager) DeleteEndpoint(ctx context.Context, key string, opts .
 }
 
 func (m *endpointManager) NewWatchChannel(ctx context.Context) (WatchChannel, error) {
-	resp, err := m.client.Get(ctx, m.target, clientv3.WithPrefix(), clientv3.WithSerializable())
+	key := m.target + "/"
+	resp, err := m.client.Get(ctx, key, clientv3.WithPrefix(), clientv3.WithSerializable())
 	if err != nil {
 		return nil, err
 	}
@@ -112,7 +113,8 @@ func (m *endpointManager) watch(ctx context.Context, rev int64, upch chan []*Upd
 
 	lg := m.client.GetLogger()
 	opts := []clientv3.OpOption{clientv3.WithRev(rev), clientv3.WithPrefix()}
-	wch := m.client.Watch(ctx, m.target, opts...)
+	key := m.target + "/"
+	wch := m.client.Watch(ctx, key, opts...)
 	for {
 		select {
 		case <-ctx.Done():
@@ -157,7 +159,8 @@ func (m *endpointManager) watch(ctx context.Context, rev int64, upch chan []*Upd
 }
 
 func (m *endpointManager) List(ctx context.Context) (Key2EndpointMap, error) {
-	resp, err := m.client.Get(ctx, m.target, clientv3.WithPrefix(), clientv3.WithSerializable())
+	key := m.target + "/"
+	resp, err := m.client.Get(ctx, key, clientv3.WithPrefix(), clientv3.WithSerializable())
 	if err != nil {
 		return nil, err
 	}

client/v3/naming/resolver/resolver.go

@@ -2,6 +2,7 @@ package resolver
 
 import (
 	"context"
+	"strings"
 	"sync"
 
 	clientv3 "go.etcd.io/etcd/client/v3"
@@ -17,9 +18,15 @@ type builder struct {
 }
 
 func (b builder) Build(target gresolver.Target, cc gresolver.ClientConn, opts gresolver.BuildOptions) (gresolver.Resolver, error) {
+	// Refer to https://github.com/grpc/grpc-go/blob/16d3df80f029f57cff5458f1d6da6aedbc23545d/clientconn.go#L1587-L1611
+	endpoint := target.URL.Path
+	if endpoint == "" {
+		endpoint = target.URL.Opaque
+	}
+	endpoint = strings.TrimPrefix(endpoint, "/")
 	r := &resolver{
 		c:      b.c,
-		target: target.Endpoint,
+		target: endpoint,
 		cc:     cc,
 	}
 	r.ctx, r.cancel = context.WithCancel(context.Background())

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/ordering/doc.go

@@ -38,5 +38,4 @@
 //	cli.KV = ordering.NewKV(cli.KV, vf)
 //
 // Now calls using 'cli' will reject order violations with an error.
-//
 package ordering

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.go

@@ -25,15 +25,14 @@ import (
 
 // Txn is the interface that wraps mini-transactions.
 //
-//	 Txn(context.TODO()).If(
-//	  Compare(Value(k1), ">", v1),
-//	  Compare(Version(k1), "=", 2)
-//	 ).Then(
-//	  OpPut(k2,v2), OpPut(k3,v3)
-//	 ).Else(
-//	  OpPut(k4,v4), OpPut(k5,v5)
-//	 ).Commit()
-//
+//	Txn(context.TODO()).If(
+//	 Compare(Value(k1), ">", v1),
+//	 Compare(Version(k1), "=", 2)
+//	).Then(
+//	 OpPut(k2,v2), OpPut(k3,v3)
+//	).Else(
+//	 OpPut(k4,v4), OpPut(k5,v5)
+//	).Commit()
 type Txn interface {
 	// If takes a list of comparison. If all comparisons passed in succeed,
 	// the operations passed into Then() will be executed. Or the operations

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)
 	}
 
@@ -839,7 +848,7 @@ func (w *watchGrpcStream) serveSubstream(ws *watcherStream, resumec chan struct{
 				}
 			} else {
 				// current progress of watch; <= store revision
-				nextRev = wr.Header.Revision
+				nextRev = wr.Header.Revision + 1
 			}
 
 			if len(wr.Events) > 0 {
@@ -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"
@@ -39,6 +40,8 @@ var (
 	restorePeerURLs     string
 	restoreName         string
 	skipHashCheck       bool
+	markCompacted       bool
+	revisionBump        uint64
 )
 
 // NewSnapshotCommand returns the cobra command for "snapshot".
@@ -88,6 +91,8 @@ func NewSnapshotRestoreCommand() *cobra.Command {
 	cmd.Flags().StringVar(&restorePeerURLs, "initial-advertise-peer-urls", defaultInitialAdvertisePeerURLs, "List of this member's peer URLs to advertise to the rest of the cluster")
 	cmd.Flags().StringVar(&restoreName, "name", defaultName, "Human-readable name for this member")
 	cmd.Flags().BoolVar(&skipHashCheck, "skip-hash-check", false, "Ignore snapshot integrity hash value (required if copied from data directory)")
+	cmd.Flags().Uint64Var(&revisionBump, "bump-revision", 0, "How much to increase the latest revision after restore")
+	cmd.Flags().BoolVar(&markCompacted, "mark-compacted", false, "Mark the latest revision after restore as the point of scheduled compaction (required if --bump-revision > 0, disallowed otherwise)")
 
 	return cmd
 }
@@ -98,7 +103,7 @@ 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)
 	}
@@ -126,7 +131,7 @@ func snapshotStatusCommandFunc(cmd *cobra.Command, args []string) {
 func snapshotRestoreCommandFunc(cmd *cobra.Command, args []string) {
 	fmt.Fprintf(os.Stderr, "Deprecated: Use `etcdutl snapshot restore` instead.\n\n")
 	etcdutl.SnapshotRestoreCommandFunc(restoreCluster, restoreClusterToken, restoreDataDir, restoreWalDir,
-		restorePeerURLs, restoreName, skipHashCheck, args)
+		restorePeerURLs, restoreName, skipHashCheck, revisionBump, markCompacted, args)
 }
 
 func initialClusterFromName(name string) string {

etcdctl/go.mod

@@ -1,6 +1,6 @@
 module go.etcd.io/etcd/etcdctl/v3
 
-go 1.16
+go 1.20
 
 require (
 	github.com/bgentry/speakeasy v0.1.0
@@ -9,18 +9,60 @@ 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 v3.5.10
+	go.etcd.io/etcd/client/pkg/v3 v3.5.10
+	go.etcd.io/etcd/client/v2 v2.305.10
+	go.etcd.io/etcd/client/v3 v3.5.10
+	go.etcd.io/etcd/etcdutl/v3 v3.5.10
+	go.etcd.io/etcd/pkg/v3 v3.5.10
+	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 v1.58.3
 	gopkg.in/cheggaaa/pb.v1 v1.0.28
 )
 
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // 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 v1.5.3 // 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 v1.3.8 // indirect
+	go.etcd.io/etcd/raft/v3 v3.5.10 // indirect
+	go.etcd.io/etcd/server/v3 v3.5.10 // 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 v0.14.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	google.golang.org/genproto v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
+)
+
 replace (
 	go.etcd.io/etcd/api/v3 => ../api
 	go.etcd.io/etcd/client/pkg/v3 => ../client/pkg

etcdctl/go.sum

@@ -4,9 +4,11 @@ cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSR
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3 h1:AVXDdKsrtX33oR9fbCMu/+c1o8Ofjq6Ku/MInaLVg5Y=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.110.4 h1:1JYyxKMN9hd5dR2MYTPWkGUgcoxVVhg0LKNKEo0qvmk=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/compute v1.21.0 h1:JNBsyXVoOoNJtTQcnEY5uYpZIbeCTYIeDe0Xh1bySMk=
+cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
@@ -19,11 +21,11 @@ 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=
@@ -32,36 +34,27 @@ github.com/bgentry/speakeasy v0.1.0 h1:ByYyxL9InA1OWqxJqqp2A5pYHUrCiAL6K3J+LKSsQ
 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/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=
-github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/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/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/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20230607035331-e9ce68804cb4 h1:/inchEIKaYC1Akx+H+gqO04wryn5h75LSazbRlnya1k=
+github.com/cockroachdb/datadriven v1.0.2 h1:H9MtNqVoVhvd9nCBwOyDjUEdZCREqbIdCJD93PBm/jA=
 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 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/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=
 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=
-github.com/creack/pty v1.1.11/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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@@ -73,31 +66,30 @@ github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymF
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@@ -114,19 +106,22 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
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@@ -138,7 +133,6 @@ github.com/googleapis/gax-go/v2 v2.0.5/go.mod h1:DWXyrwAJ9X0FpwwEdw+IPEYBICEFu5m
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@@ -168,23 +162,24 @@ github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANyt
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@@ -210,10 +205,10 @@ github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lN
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@@ -226,8 +221,9 @@ github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndr
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@@ -236,15 +232,15 @@ github.com/prometheus/client_model v0.2.0/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6T
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 github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
@@ -257,11 +253,10 @@ github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5I
 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=
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 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=
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-github.com/soheilhy/cmux v0.1.5/go.mod h1:T7TcVDs9LWfQgPlPsdngu6I6QIoyIFZDDC6sNE1GqG0=
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
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 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
@@ -278,11 +273,10 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 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=
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 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
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 github.com/urfave/cli v1.22.4 h1:u7tSpNPPswAFymm8IehJhy4uJMlUuU/GmqSkvJ1InXA=
 github.com/urfave/cli v1.22.4/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5Qo6v2eYzo7kUS51QINcR5jNpbZS8=
@@ -290,38 +284,26 @@ github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
-go.etcd.io/bbolt v1.3.6-0.20210426205525-9c92be978ae0 h1:FPuyGXkE6qPKJ71PyS0sdXuxUvYGXAXxV0XHpx0qjHE=
-go.etcd.io/bbolt v1.3.6-0.20210426205525-9c92be978ae0/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
+go.etcd.io/bbolt v1.3.8 h1:xs88BrvEv273UsB79e0hcVrlUWmS0a8upikMFhSyAtA=
+go.etcd.io/bbolt v1.3.8/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 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=
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+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=
@@ -329,8 +311,8 @@ 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=
+golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=
+golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
 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=
@@ -344,7 +326,6 @@ 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=
-golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
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@@ -368,15 +349,16 @@ 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=
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+golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
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-golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb h1:eBmm0M9fYhWpKZLjQUUKka/LtIxf46G4fxeEz5KJr9U=
-golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
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+golang.org/x/oauth2 v0.10.0 h1:zHCpF2Khkwy4mMB4bv0U37YtJdTGW8jI0glAApi0Kh8=
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 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=
@@ -384,6 +366,7 @@ 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=
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 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=
@@ -398,26 +381,27 @@ 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 v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 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=
@@ -433,16 +417,13 @@ 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=
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 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 v0.0.0-20200619180055-7c47624df98f/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/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=
-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=
@@ -452,8 +433,8 @@ google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsb
 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/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/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
 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=
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -463,21 +444,25 @@ 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 v0.0.0-20200423170343-7949de9c1215/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=
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 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
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-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 v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
+google.golang.org/grpc v1.58.3 h1:BjnpXut1btbtgN/6sp+brB2Kbm2LjNXnidYujAVbSoQ=
+google.golang.org/grpc v1.58.3/go.mod h1:tgX3ZQDlNJGU96V6yHh1T/JeoBQ2TXdr43YbYSsCJk0=
 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=
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@@ -488,8 +473,9 @@ 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 v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 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=
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@@ -498,7 +484,6 @@ gopkg.in/cheggaaa/pb.v1 v1.0.28 h1:n1tBJnnK2r7g9OW2btFH91V92STTUevLXYFb8gy9EMk=
 gopkg.in/cheggaaa/pb.v1 v1.0.28/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 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=
@@ -507,14 +492,15 @@ 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/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 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=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=

etcdctl/main.go

@@ -27,7 +27,7 @@ const (
 	apiEnv = "ETCDCTL_API"
 )
 
-/**
+/*
 mainWithError is fully analogous to main, but instead of signaling errors
 by os.Exit, it exposes the error explicitly, such that test-logic can intercept
 control to e.g. dump coverage data (even for test-for-failure scenarios).

etcdctl/main_test.go

@@ -36,7 +36,7 @@ func SplitTestArgs(args []string) (testArgs, appArgs []string) {
 	return
 }
 
-// Empty test to avoid no-tests warning.
+// TestEmpty to avoid no-tests warning.
 func TestEmpty(t *testing.T) {}
 
 /**

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/etcdutl/snapshot_command.go

@@ -38,6 +38,8 @@ var (
 	restorePeerURLs     string
 	restoreName         string
 	skipHashCheck       bool
+	markCompacted       bool
+	revisionBump        uint64
 )
 
 // NewSnapshotCommand returns the cobra command for "snapshot".
@@ -91,6 +93,8 @@ func NewSnapshotRestoreCommand() *cobra.Command {
 	cmd.Flags().StringVar(&restorePeerURLs, "initial-advertise-peer-urls", defaultInitialAdvertisePeerURLs, "List of this member's peer URLs to advertise to the rest of the cluster")
 	cmd.Flags().StringVar(&restoreName, "name", defaultName, "Human-readable name for this member")
 	cmd.Flags().BoolVar(&skipHashCheck, "skip-hash-check", false, "Ignore snapshot integrity hash value (required if copied from data directory)")
+	cmd.Flags().Uint64Var(&revisionBump, "bump-revision", 0, "How much to increase the latest revision after restore")
+	cmd.Flags().BoolVar(&markCompacted, "mark-compacted", false, "Mark the latest revision after restore as the point of scheduled compaction (required if --bump-revision > 0, disallowed otherwise)")
 
 	cmd.MarkFlagRequired("data-dir")
 
@@ -115,7 +119,7 @@ func SnapshotStatusCommandFunc(cmd *cobra.Command, args []string) {
 
 func snapshotRestoreCommandFunc(_ *cobra.Command, args []string) {
 	SnapshotRestoreCommandFunc(restoreCluster, restoreClusterToken, restoreDataDir, restoreWalDir,
-		restorePeerURLs, restoreName, skipHashCheck, args)
+		restorePeerURLs, restoreName, skipHashCheck, revisionBump, markCompacted, args)
 }
 
 func SnapshotRestoreCommandFunc(restoreCluster string,
@@ -125,12 +129,19 @@ func SnapshotRestoreCommandFunc(restoreCluster string,
 	restorePeerURLs string,
 	restoreName string,
 	skipHashCheck bool,
+	revisionBump uint64,
+	markCompacted bool,
 	args []string) {
 	if len(args) != 1 {
 		err := fmt.Errorf("snapshot restore requires exactly one argument")
 		cobrautl.ExitWithError(cobrautl.ExitBadArgs, err)
 	}
 
+	if (revisionBump == 0 && markCompacted) || (revisionBump > 0 && !markCompacted) {
+		err := fmt.Errorf("--mark-compacted required if --revision-bump > 0")
+		cobrautl.ExitWithError(cobrautl.ExitBadArgs, err)
+	}
+
 	dataDir := restoreDataDir
 	if dataDir == "" {
 		dataDir = restoreName + ".etcd"
@@ -153,6 +164,8 @@ func SnapshotRestoreCommandFunc(restoreCluster string,
 		InitialCluster:      restoreCluster,
 		InitialClusterToken: restoreClusterToken,
 		SkipHashCheck:       skipHashCheck,
+		RevisionBump:        revisionBump,
+		MarkCompacted:       markCompacted,
 	}); err != nil {
 		cobrautl.ExitWithError(cobrautl.ExitError, err)
 	}

etcdutl/go.mod

@@ -1,6 +1,6 @@
 module go.etcd.io/etcd/etcdutl/v3
 
-go 1.16
+go 1.20
 
 replace (
 	go.etcd.io/etcd/api/v3 => ../api
@@ -24,12 +24,52 @@ 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 v1.3.8
+	go.etcd.io/etcd/api/v3 v3.5.10
+	go.etcd.io/etcd/client/pkg/v3 v3.5.10
+	go.etcd.io/etcd/client/v3 v3.5.10
+	go.etcd.io/etcd/pkg/v3 v3.5.10
+	go.etcd.io/etcd/raft/v3 v3.5.10
+	go.etcd.io/etcd/server/v3 v3.5.10
+	go.uber.org/zap v1.17.0
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // 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/protobuf v1.5.3 // 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 v2.305.10 // 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 v0.14.0 // indirect
+	golang.org/x/net v0.17.0 // indirect
+	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
+	golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba // indirect
+	google.golang.org/genproto v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/grpc v1.58.3 // indirect
+	google.golang.org/protobuf v1.31.0 // indirect
 )