Add an integration test for etcd

hack/util.sh

@@ -0,0 +1,66 @@
+#!/bin/bash
+
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# 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.
+
+# Provides simple utility functions
+
+function wait_for_url {
+  url=$1
+  prefix=${2:-}
+  wait=${3:-0.2}
+  times=${4:-10}
+
+  set +e
+  for i in $(seq 1 $times); do
+    out=$(curl -fs $url 2>/dev/null)
+    if [ $? -eq 0 ]; then
+      set -e
+      echo ${prefix}${out}
+      return 0
+    fi
+    sleep $wait
+  done
+  echo "ERROR: timed out for $url"
+  set -e
+  return 1
+}
+
+function start_etcd {
+  host=${ETCD_HOST:-127.0.0.1}
+  port=${ETCD_PORT:-4001}
+
+  set +e
+
+  if [ "$(which etcd)" == "" ]; then
+    echo "etcd must be in your PATH"
+    exit 1
+  fi
+
+  running_etcd=$(ps -ef | grep etcd | grep -c name)
+  if [ "$running_etcd" != "0" ]; then
+    echo "etcd appears to already be running on this machine, please kill and restart the test."
+    exit 1
+  fi
+
+  # Stop on any failures
+  set -e
+
+  # Start etcd
+  export ETCD_DIR=$(mktemp -d -t test-etcd.XXXXXX)
+  etcd -name test -data-dir ${ETCD_DIR} -bind-addr ${host}:${port} >/dev/null 2>/dev/null &
+  export ETCD_PID=$!
+
+  wait_for_url "http://localhost:4001/v2/keys/" "etcd: "
+}