Merge pull request #7 from cityindex/zero-downtime-deploy

Zero downtime deploy

.build/deploy.sh

@@ -0,0 +1,83 @@
+#!/bin/bash -e
+pushd `dirname $0` > /dev/null
+SCRIPT_PATH=`pwd`
+popd > /dev/null
+
+APP=${1:-cityindex-kibana}
+LIVE_URL_HOST=${2:-cityindex-kibana-live}
+LIVE_URL_DOMAIN=${3:-monitor-cloud.cityindextest5.co.uk}
+RUN_SMOKE_TESTS=${4:-$SCRIPT_PATH/run_smoke_tests.sh}
+DIST_FOLDER=${5:-dist/}
+
+CF_DOMAIN=${6:-monitor-cloud.cityindextest5.co.uk}
+CF_API=${7:-http://api.$CF_DOMAIN}
+CF_USER=${CF_USER:?"env CF_USER must be defined"}
+CF_PASSWD=${CF_PASSWD:?"env CF_PASSWD must be defined"}
+CF_ORG=${CF_ORG:?"env CF_ORG must be defined"}
+CF_SPACE=${CF_SPACE:?"env CF_SPACE must be defined"}
+CF_HOME=$SCRIPT_PATH
+
+# sed -l basically makes sed replace and buffer through stdin to stdout
+# so you get updates while the command runs and dont wait for the end
+# e.g. npm install | indent
+indent() {
+  c='s/^/       /'
+  case $(uname) in
+    Darwin) sed -l "$c";; # mac/bsd sed: -l buffers on line boundaries
+    *)      sed -u "$c";; # unix/gnu sed: -u unbuffered (arbitrary) chunks of data
+  esac
+}
+
+echo "=====> Checking dependancies"
+echo $(date)
+
+	if [[ ! "$(cf --version)" =~ "cf version 6" ]]; then
+	  echo "!!! cf must be installed and in the PATH"
+	  exit 1
+	fi
+	echo "$(cf --version)" | head -n 1 | indent
+
+echo "=====> Connecting to CF at $CF_API as $CF_USER"
+echo $(date)
+
+	cf login -a $CF_API -u $CF_USER -p "$CF_PASSWD" -o $CF_ORG -s $CF_SPACE | indent
+
+echo "=====> Ensuring $LIVE_URL_HOST.$LIVE_URL_DOMAIN exists"	
+echo $(date)
+
+	if [[ ! "$(cf routes)" =~ "$LIVE_URL_HOST" ]]; then
+		echo "!!! Route $LIVE_URL_HOST.$LIVE_URL_DOMAIN must be set up before running this script"
+	  	exit 1
+	fi
+
+echo "=====> Starting zero-downtime deploy..."
+echo $(date)
+	cf apps | grep $APP | indent
+	echo "Moving $APP to $APP-old "
+	cf delete $APP-old -f | indent
+	cf rename $APP $APP-old | indent
+	cf apps | grep $APP | indent
+
+echo "=====> Pushing new version..."
+echo $(date)
+	cf push $APP -p=$DIST_FOLDER -m=64m -b=https://github.com/cloudfoundry-community/nginx-buildpack.git | indent
+	cf apps | grep $APP | indent
+
+echo "=====> Running smoke tests against $APP"
+echo $(date)
+$RUN_SMOKE_TESTS http://$APP.$CF_DOMAIN
+
+echo "=====> Routing $LIVE_URL_HOST.$LIVE_URL_DOMAIN to $APP"
+echo $(date)
+cf map-route $APP $LIVE_URL_DOMAIN -n $LIVE_URL_HOST | indent
+
+echo "=====> Stopping old $APP-old"
+echo $(date)
+	cf stop $APP-old | indent
+	cf apps | grep $APP | indent
+
+echo "=====> Completed!"
+echo $(date)
+
+	echo "live-url:$LIVE_URL_HOST.$LIVE_URL_DOMAIN"
+

.build/run_smoke_tests.sh

@@ -0,0 +1,17 @@
+#!/bin/bash -e
+DEPLOY_URL=${3:-http://kibana.cityindex.logsearch.io}
+
+echo "====> Running smoke tests against $DEPLOY_URL"
+
+echo "Checking Kibana status from IP $(curl -s icanhazip.com)"
+echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="
+STATUS=$(curl -s $DEPLOY_URL) 
+if [[ "$STATUS" =~ "Kibana 3" ]]; then
+  echo "All smoke tests passing.  Yay!"
+else
+  echo "Smoke tests failed :-# "
+  echo "curl -s $DEPLOY_URL returned:"
+  echo $STATUS
+  exit 1
+fi
+echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-="