hack/scripts-dev: sync with master branch

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

hack/scripts-dev/docker-dns/insecure/Procfile

@@ -0,0 +1,6 @@
+# Use goreman to run `go get github.com/mattn/goreman`
+etcd1: ./etcd --name m1 --data-dir /tmp/m1.data --listen-client-urls http://127.0.0.1:2379 --advertise-client-urls http://m1.etcd.local:2379 --listen-peer-urls http://127.0.0.1:2380 --initial-advertise-peer-urls=http://m1.etcd.local:2380 --initial-cluster-token tkn --initial-cluster=m1=http://m1.etcd.local:2380,m2=http://m2.etcd.local:22380,m3=http://m3.etcd.local:32380 --host-whitelist "localhost,127.0.0.1,m1.etcd.local"
+
+etcd2: ./etcd --name m2 --data-dir /tmp/m2.data --listen-client-urls http://127.0.0.1:22379 --advertise-client-urls http://m2.etcd.local:22379 --listen-peer-urls http://127.0.0.1:22380 --initial-advertise-peer-urls=http://m2.etcd.local:22380 --initial-cluster-token tkn --initial-cluster=m1=http://m1.etcd.local:2380,m2=http://m2.etcd.local:22380,m3=http://m3.etcd.local:32380 --host-whitelist "localhost,127.0.0.1,m1.etcd.local"
+
+etcd3: ./etcd --name m3 --data-dir /tmp/m3.data --listen-client-urls http://127.0.0.1:32379 --advertise-client-urls http://m3.etcd.local:32379 --listen-peer-urls http://127.0.0.1:32380 --initial-advertise-peer-urls=http://m3.etcd.local:32380 --initial-cluster-token tkn --initial-cluster=m1=http://m1.etcd.local:2380,m2=http://m2.etcd.local:22380,m3=http://m3.etcd.local:32380 --host-whitelist "localhost,127.0.0.1,m1.etcd.local"

hack/scripts-dev/docker-dns/insecure/run.sh

@@ -0,0 +1,89 @@
+#!/bin/sh
+rm -rf /tmp/m1.data /tmp/m2.data /tmp/m3.data
+
+/etc/init.d/bind9 start
+
+# get rid of hosts so go lookup won't resolve 127.0.0.1 to localhost
+cat /dev/null >/etc/hosts
+
+goreman -f /insecure/Procfile start &
+
+# TODO: remove random sleeps
+sleep 7s
+
+ETCDCTL_API=3 ./etcdctl \
+  --endpoints=http://m1.etcd.local:2379 \
+  endpoint health --cluster
+
+ETCDCTL_API=3 ./etcdctl \
+  --endpoints=http://m1.etcd.local:2379,http://m2.etcd.local:22379,http://m3.etcd.local:32379 \
+  put abc def
+
+ETCDCTL_API=3 ./etcdctl \
+  --endpoints=http://m1.etcd.local:2379,http://m2.etcd.local:22379,http://m3.etcd.local:32379 \
+  get abc
+
+printf "\nWriting v2 key...\n"
+curl \
+  -L http://127.0.0.1:2379/v2/keys/queue \
+  -X POST \
+  -d value=data
+
+printf "\nWriting v2 key...\n"
+curl \
+  -L http://m1.etcd.local:2379/v2/keys/queue \
+  -X POST \
+  -d value=data
+
+printf "\nWriting v3 key...\n"
+curl \
+  -L http://127.0.0.1:2379/v3/kv/put \
+	-X POST \
+  -d '{"key": "Zm9v", "value": "YmFy"}'
+
+printf "\n\nWriting v3 key...\n"
+curl \
+  -L http://m1.etcd.local:2379/v3/kv/put \
+	-X POST \
+  -d '{"key": "Zm9v", "value": "YmFy"}'
+
+printf "\n\nReading v3 key...\n"
+curl \
+  -L http://m1.etcd.local:2379/v3/kv/range \
+	-X POST \
+  -d '{"key": "Zm9v"}'
+
+printf "\n\nFetching 'curl http://m1.etcd.local:2379/metrics'...\n"
+curl \
+  -L http://m1.etcd.local:2379/metrics | grep Put | tail -3
+
+name1=$(base64 <<< "/election-prefix")
+val1=$(base64 <<< "v1")
+data1="{\"name\":\"${name1}\", \"value\":\"${val1}\"}"
+
+printf "\n\nCampaign: ${data1}\n"
+result1=$(curl -L http://m1.etcd.local:2379/v3/election/campaign -X POST -d "${data1}")
+echo ${result1}
+
+# should not panic servers
+val2=$(base64 <<< "v2")
+data2="{\"value\": \"${val2}\"}"
+printf "\n\nProclaim (wrong-format): ${data2}\n"
+curl \
+  -L http://m1.etcd.local:2379/v3/election/proclaim \
+  -X POST \
+  -d "${data2}"
+
+printf "\n\nProclaim (wrong-format)...\n"
+curl \
+  -L http://m1.etcd.local:2379/v3/election/proclaim \
+  -X POST \
+  -d '}'
+
+printf "\n\nProclaim (wrong-format)...\n"
+curl \
+  -L http://m1.etcd.local:2379/v3/election/proclaim \
+  -X POST \
+  -d '{"value": "Zm9v"}'
+
+printf "\n\nDone!!!\n\n"