Added script to create the PR to the official-images repo

Co-authored-by: Hank Brekke <[email protected]>
Co-authored-by: Laurent Goderre <[email protected]>

Author: LaurentGoderre

.travis.yml

@@ -18,7 +18,7 @@ stages:
   - Test
   - Build
   - name: Deploy
-    if: branch = master
+    if: branch = master AND type IN (push)
 
 jobs:
   include:
@@ -44,7 +44,7 @@ jobs:
             - shellcheck
 
     - stage: Deploy
-      script: ./generate-stackbrew-library.sh
+      script: ./generate-stackbrew-pr.sh
 
     # Docker Build #
     - stage: Build

generate-stackbrew-pr.sh

@@ -0,0 +1,105 @@
+#!/bin/bash
+set -e
+. functions.sh
+
+GITHUB_USERNAME="nodejs-github-bot"
+gitpath="../docker-images"
+IMAGES_FILE="library/node"
+REPO_NAME="official-images"
+BRANCH_NAME="travis-$TRAVIS_BUILD_ID"
+ORIGIN_SLUG="$GITHUB_USERNAME/$REPO_NAME"
+UPSTREAM_SLUG="docker-library/$REPO_NAME"
+
+function updated() {
+	local versions
+	local images_changed
+
+	IFS=' ' read -ra versions <<< "$(IFS=','; get_versions)"
+	images_changed=$(git show --name-only "$TRAVIS_COMMIT" "${versions[@]}")
+
+	if [ -z "$images_changed" ]; then
+		return 1
+	else
+		return 0
+	fi
+}
+
+function permission_check() {
+	auth="$(curl -H "Authorization: token $GITHUB_API_TOKEN" \
+		-s \
+		"https://api.github.com")"
+	if [ "$(echo "$auth" | jq .message)" = "\"Bad credentials\"" ]; then
+		fatal "Authentication Failed! Invalid \$GITHUB_API_TOKEN"
+	fi
+
+	auth="$(curl -H "Authorization: token $GITHUB_API_TOKEN" \
+		-s \
+		"https://api.github.com/repos/$ORIGIN_SLUG/collaborators/$GITHUB_USERNAME/permission")"
+	if [ "$(echo "$auth" | jq .message)" != "null" ]; then
+		fatal "\$GITHUB_API_TOKEN can't push to https://github.com/$ORIGIN_SLUG.git"
+	fi
+}
+
+function setup_git_author() {
+	GIT_AUTHOR_NAME="$(git show -s --format="%aN" "$TRAVIS_COMMIT")"
+	GIT_AUTHOR_EMAIL="$(git show -s --format="%aE" "$TRAVIS_COMMIT")"
+	GIT_COMMITTER_NAME="$(git show -s --format="%cN" "$TRAVIS_COMMIT")"
+	GIT_COMMITTER_EMAIL="$(git show -s --format="%cN" "$TRAVIS_COMMIT")"
+
+	export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL
+}
+
+function message() {
+	echo "Node: $TRAVIS_COMMIT_MESSAGE"
+}
+
+function pr_payload() {
+	local escaped_message
+	IFS=' ' read -ra escaped_message <<< "$TRAVIS_COMMIT_MESSAGE"
+	escaped_message="$(printf '%q ' "${escaped_message[@]}")"
+	echo '{
+		"title": "Node: '"$escaped_message"'",
+		"body": "Commit: nodejs/docker-node@'"$TRAVIS_COMMIT"'",
+		"head": "'"$GITHUB_USERNAME"':'"$BRANCH_NAME"'",
+		"base": "master"
+	}'
+}
+
+if updated; then
+
+	permission_check
+
+	# Set Git User Info
+	setup_git_author
+
+	info "Cloning..."
+	git clone --depth 50  https://github.com/docker-library/official-images.git $gitpath 2> /dev/null
+
+	./generate-stackbrew-library.sh > "$gitpath/$IMAGES_FILE"
+
+	cd $gitpath
+
+	git checkout -b "$BRANCH_NAME"
+	git add "$IMAGES_FILE"
+	git commit -m "$(message)"
+
+	info "Pushing..."
+	git push "https://$GITHUB_API_TOKEN:[email protected]/$ORIGIN_SLUG.git" -f "$BRANCH_NAME" 2> /dev/null || fatal "Error pushing the updated stackbrew"
+
+	info "Creating Pull request"
+	response_payload="$(curl -H "Authorization: token $GITHUB_API_TOKEN" \
+		-s \
+		-X POST \
+		-d "$(pr_payload)" \
+		"https://api.github.com/repos/$UPSTREAM_SLUG/pulls")"
+
+	url="$(echo "$response_payload" | jq .html_url)"
+	if [ "$url" != "null" ]; then
+		info "Pull request created at $url"
+	else
+		error_message=$(echo "$response_payload" | jq .message)
+		fatal "Error creating pull request ($error_message)"
+	fi
+else
+	info "No change!"
+fi

travis.yml.template

@@ -16,7 +16,7 @@ stages:
   - Test
   - Build
   - name: Deploy
-    if: branch = master
+    if: branch = master AND type IN (push)
 
 jobs:
   include:
@@ -42,6 +42,6 @@ jobs:
             - shellcheck
 
     - stage: Deploy
-      script: ./generate-stackbrew-library.sh
+      script: ./generate-stackbrew-pr.sh
 
     # Docker Build #