hack: sync with master branch (needed for release)

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

hack/scripts-dev/docker-dns/certs-wildcard/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 https://127.0.0.1:2379 --advertise-client-urls https://m1.etcd.local:2379 --listen-peer-urls https://127.0.0.1:2380 --initial-advertise-peer-urls=https://m1.etcd.local:2380 --initial-cluster-token tkn --initial-cluster=m1=https://m1.etcd.local:2380,m2=https://m2.etcd.local:22380,m3=https://m3.etcd.local:32380 --initial-cluster-state new --peer-cert-file=/certs-wildcard/server.crt --peer-key-file=/certs-wildcard/server.key.insecure --peer-trusted-ca-file=/certs-wildcard/ca.crt --peer-client-cert-auth --cert-file=/certs-wildcard/server.crt --key-file=/certs-wildcard/server.key.insecure --trusted-ca-file=/certs-wildcard/ca.crt --client-cert-auth
+
+etcd2: ./etcd --name m2 --data-dir /tmp/m2.data --listen-client-urls https://127.0.0.1:22379 --advertise-client-urls https://m2.etcd.local:22379 --listen-peer-urls https://127.0.0.1:22380 --initial-advertise-peer-urls=https://m2.etcd.local:22380 --initial-cluster-token tkn --initial-cluster=m1=https://m1.etcd.local:2380,m2=https://m2.etcd.local:22380,m3=https://m3.etcd.local:32380 --initial-cluster-state new --peer-cert-file=/certs-wildcard/server.crt --peer-key-file=/certs-wildcard/server.key.insecure --peer-trusted-ca-file=/certs-wildcard/ca.crt --peer-client-cert-auth --cert-file=/certs-wildcard/server.crt --key-file=/certs-wildcard/server.key.insecure --trusted-ca-file=/certs-wildcard/ca.crt --client-cert-auth
+
+etcd3: ./etcd --name m3 --data-dir /tmp/m3.data --listen-client-urls https://127.0.0.1:32379 --advertise-client-urls https://m3.etcd.local:32379 --listen-peer-urls https://127.0.0.1:32380 --initial-advertise-peer-urls=https://m3.etcd.local:32380 --initial-cluster-token tkn --initial-cluster=m1=https://m1.etcd.local:2380,m2=https://m2.etcd.local:22380,m3=https://m3.etcd.local:32380 --initial-cluster-state new --peer-cert-file=/certs-wildcard/server.crt --peer-key-file=/certs-wildcard/server.key.insecure --peer-trusted-ca-file=/certs-wildcard/ca.crt --peer-client-cert-auth --cert-file=/certs-wildcard/server.crt --key-file=/certs-wildcard/server.key.insecure --trusted-ca-file=/certs-wildcard/ca.crt --client-cert-auth

hack/scripts-dev/docker-dns/certs-wildcard/ca-csr.json

@@ -0,0 +1,19 @@
+{
+  "key": {
+    "algo": "rsa",
+    "size": 2048
+  },
+  "names": [
+    {
+      "O": "etcd",
+      "OU": "etcd Security",
+      "L": "San Francisco",
+      "ST": "California",
+      "C": "USA"
+    }
+  ],
+  "CN": "ca",
+  "ca": {
+    "expiry": "87600h"
+  }
+}

hack/scripts-dev/docker-dns/certs-wildcard/ca.crt

@@ -0,0 +1,22 @@
+-----BEGIN CERTIFICATE-----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+IKH/M3/ido1PqN/CxhfqvMj3ap3ZkV81nvwn3XhciCGca1CyLzij9RroO0Ee+R3h
+mK5A38I1YeRMNOnNAJAW+5scaVtPe6famG2p/OcswobF+ojeZIQJcuk7/FP5iXGA
+UfG5WaW3bVfSr5aUGtf/RYZvYu3kWZlAzGaey5iLutRc7f63Ma4jjEEauiGLqQ+6
+F17Feafs2ibRr1wes11O0B/9Ivx9qM/CFgEYhJfp/nBgY/UZXw==
+-----END CERTIFICATE-----

hack/scripts-dev/docker-dns/certs-wildcard/gencert.json

@@ -0,0 +1,13 @@
+{
+  "signing": {
+    "default": {
+        "usages": [
+          "signing",
+          "key encipherment",
+          "server auth",
+          "client auth"
+        ],
+        "expiry": "87600h"
+    }
+  }
+}

hack/scripts-dev/docker-dns/certs-wildcard/gencerts.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+if ! [[ "$0" =~ "./gencerts.sh" ]]; then
+	echo "must be run from 'fixtures'"
+	exit 255
+fi
+
+if ! which cfssl; then
+	echo "cfssl is not installed"
+	exit 255
+fi
+
+cfssl gencert --initca=true ./ca-csr.json | cfssljson --bare ./ca
+mv ca.pem ca.crt
+openssl x509 -in ca.crt -noout -text
+
+# generate wildcard certificates DNS: *.etcd.local
+cfssl gencert \
+    --ca ./ca.crt \
+    --ca-key ./ca-key.pem \
+    --config ./gencert.json \
+    ./server-ca-csr.json | cfssljson --bare ./server
+mv server.pem server.crt
+mv server-key.pem server.key.insecure
+
+rm -f *.csr *.pem *.stderr *.txt

hack/scripts-dev/docker-dns/certs-wildcard/run.sh

@@ -0,0 +1,33 @@
+#!/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 /certs-wildcard/Procfile start &
+
+# TODO: remove random sleeps
+sleep 7s
+
+ETCDCTL_API=3 ./etcdctl \
+  --cacert=/certs-wildcard/ca.crt \
+  --cert=/certs-wildcard/server.crt \
+  --key=/certs-wildcard/server.key.insecure \
+  --endpoints=https://m1.etcd.local:2379 \
+  endpoint health --cluster
+
+ETCDCTL_API=3 ./etcdctl \
+  --cacert=/certs-wildcard/ca.crt \
+  --cert=/certs-wildcard/server.crt \
+  --key=/certs-wildcard/server.key.insecure \
+  --endpoints=https://m1.etcd.local:2379,https://m2.etcd.local:22379,https://m3.etcd.local:32379 \
+  put abc def
+
+ETCDCTL_API=3 ./etcdctl \
+  --cacert=/certs-wildcard/ca.crt \
+  --cert=/certs-wildcard/server.crt \
+  --key=/certs-wildcard/server.key.insecure \
+  --endpoints=https://m1.etcd.local:2379,https://m2.etcd.local:22379,https://m3.etcd.local:32379 \
+  get abc

hack/scripts-dev/docker-dns/certs-wildcard/server-ca-csr.json

@@ -0,0 +1,20 @@
+{
+  "key": {
+    "algo": "rsa",
+    "size": 2048
+  },
+  "names": [
+    {
+      "O": "etcd",
+      "OU": "etcd Security",
+      "L": "San Francisco",
+      "ST": "California",
+      "C": "USA"
+    }
+  ],
+  "hosts": [
+    "*.etcd.local",
+    "127.0.0.1",
+    "localhost"
+  ]
+}

hack/scripts-dev/docker-dns/certs-wildcard/server.crt

@@ -0,0 +1,24 @@
+-----BEGIN CERTIFICATE-----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+/EKcz7GJKmgDLUBi3kRSMB8GA1UdIwQYMBaAFL6nsHdEuMjwc44+9WGq0FA1GYdl
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+dss3CKs6TWe5LWXThCIJ2WldI/VgPe63Ezz7WuP3EJxt9QclYArIklS/WN+Bjbn7
+6b8KAtGQkFh7hhjoyilBixpGjECcc7lbriXoEpmUZj9DYQymXWtjKeUJCfQjseNS
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+lsGNUDkrKKJVs2PiVsy8p8sF1h7zAQ+gSqk3ZuWjrTqIIMHtRfIaNICimc7wEy1t
+u5fbySMusy1PRAwHVdl5yPxx++KlHyBNowh/9OJh
+-----END CERTIFICATE-----

hack/scripts-dev/docker-dns/certs-wildcard/server.key.insecure

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEowIBAAKCAQEA0yo0SjOF0uYrkBNKSAg7JCYGahQKCJYH4/nZhbN+bBpbBA/Y
+UWzeqKHZzcMccfuzbN1x5cpPZk2W9I7zKPTyyUs9hILgtDey7yeMYmVqwnbwkyNG
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+5sQUYUXc5E3qDQhHCGDzbT7wP+bCDnWKgvV6smshuQSW8M+tFIOQ
+-----END RSA PRIVATE KEY-----