Trigger webhook and send message to slack

- By pushing a dummy image to another ddmal's docker repo

hooks/build

@@ -2,13 +2,6 @@
 # hooks/build
 # https://docs.docker.com/docker-cloud/builds/advanced/
 
-# This "useless" image is build to prevent dockerhub from overwriting
-# the nightly image with it's obligatory minimum of a build rule. If we want a build
-# trigger with a HTTPS POST request, we must have at least 1 build rule.
-docker build \
-  --tag ddmal/rodan:placeholder \
-  .
-
 # RODAN_TAG=`cd rodan-main/code && git describe --tags --always`
 # RODAN_CLIENT_TAG=`cd rodan-client/code && git describe --tags --always`
 # RODAN_DOCKER_TAG=`git describe --tags --always`
@@ -29,6 +22,26 @@ echo "[+] Building images with tag: $DOCKER_TAG"
 
 set -o errexit
 
+# Fail building images
+# Push to trigger webhook and send a message to slack
+trap 'cleanup $?' EXIT
+cleanup() {
+  if [ "$1" != "0" ]; then
+    echo "An error occurs when building images."
+    echo "Push to another repo to trigger webhook on failure with tag syntax: {repo name}-{build status}-{source branch}-{docker tag}"
+
+    docker tag ddmal/docker-webhook:placeholder ddmal/docker-webhook:rodan-fail-${SOURCE_BRANCH}-${DOCKER_TAG}
+    docker push ddmal/docker-webhook:rodan-fail-${SOURCE_BRANCH}-${DOCKER_TAG}
+  fi
+}
+
+# This "useless" image is build to prevent dockerhub from overwriting
+# the nightly image with it's obligatory minimum of a build rule. If we want a build
+# trigger with a HTTPS POST request, we must have at least 1 build rule.
+docker build \
+  --tag ddmal/docker-webhook:placeholder \
+  .
+
 ###############################################################################
 # Stage 1
 #   Build and push Python3-Celery image

hooks/post_build

@@ -0,0 +1,20 @@
+#!/bin/bash
+# hooks/post_build
+
+source ./hooks/helper.sh
+if [[ ret_code -eq 1 ]]; then
+  echo "[-] no branch detected, fallback to use docker tag=$DOCKER_TAG"
+  echo "[-] Stop building due to wrong tag: $DOCKER_TAG"
+  exit 1
+elif [[ ret_code -eq 2 ]]; then
+  echo "[-] no tag on release branch, fallback to use docker tag=$DOCKER_TAG"
+  echo "[-] Stop building due to wrong tag: $DOCKER_TAG"
+  exit 1
+fi
+
+# Pass testing a pull request
+# Push to trigger webhook and send a message to slack
+if [[ "$DOCKER_TAG" ==  "this" ]]; then
+  docker tag ddmal/docker-webhook:placeholder ddmal/docker-webhook:rodan-pass-${SOURCE_BRANCH}-${DOCKER_TAG}
+  docker push ddmal/docker-webhook:rodan-pass-${SOURCE_BRANCH}-${DOCKER_TAG}
+fi

hooks/push

@@ -32,3 +32,8 @@ docker push ddmal/nginx:${DOCKER_TAG}
 
 echo "[+] Pushing ddmal/iipsrv:${DOCKER_TAG}"
 docker push ddmal/iipsrv:${DOCKER_TAG}
+
+# Pass building images
+# Push to trigger webhook and send a message to slack
+docker tag ddmal/docker-webhook:placeholder ddmal/docker-webhook:rodan-pass-${SOURCE_BRANCH}-${DOCKER_TAG}
+docker push ddmal/docker-webhook:rodan-pass-${SOURCE_BRANCH}-${DOCKER_TAG}