Simplifying deployment for containered apps. (#442)

.buildkite/steps/deploy.sh

@@ -2,6 +2,22 @@
 
 set -eo pipefail
 
+function slackpost {
+    # Usage: slackpost <channel> <message>
+    # Requires SLACK_WEBOOK_URL environment variable to be set
+    # to a valid incoming webhook URL
+
+    if [ -n "$SLACK_WEBHOOK_URL" ]; then
+        channel=$1
+        shift
+        text=$*
+
+        escapedText=$(echo $text | sed 's/"/\"/g' | sed "s/'/\'/g" )
+        json="{\"channel\": \"$channel\", \"icon_emoji\": \":mltshp:\", \"text\": \"$escapedText\"}"
+        curl -s -d "payload=$json" "$SLACK_WEBHOOK_URL" > /dev/null
+    fi
+}
+
 # Grab CI images
 docker pull mltshp/mltshp-web:build-${BUILDKITE_BUILD_NUMBER}
 docker tag mltshp/mltshp-web:build-${BUILDKITE_BUILD_NUMBER} mltshp/mltshp-web:latest
@@ -11,10 +27,4 @@ docker pull mltshp/mltshp-worker:build-${BUILDKITE_BUILD_NUMBER}
 docker tag mltshp/mltshp-worker:build-${BUILDKITE_BUILD_NUMBER} mltshp/mltshp-worker:latest
 docker push mltshp/mltshp-worker:latest
 
-# Rebuild Linode instances...
-docker build -t linode .buildkite/linode-cli
-export DEPLOY_PUBLIC_KEY="/tmp/setup/production/mltshp-web-key.pub"
-alias linode="docker run -i --volume $PWD/setup/production:/tmp/setup/production --rm -e LINODE_API_KEY linode"
-
-# Then deploy (rebuild script waits for user to press enter)
-source ./setup/linode-rebuild.sh mltshp/mltshp-web:build-${BUILDKITE_BUILD_NUMBER}
+slackpost "#operations" "Build ${BUILDKITE_BUILD_NUMBER} has been pushed to Docker cloud: ${BUILDKITE_BUILD_URL}"