docker image building and pushing to GitHub Packages #2187
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| # This workflow is used for building and pushing Docker images to GitHub Packages. | |
| # It is triggered on push, pull request events and also runs on a schedule (at 4:30 and 16:30). | |
| # It uses the GitHub Container Registry (GHCR) for storing the Docker images. | |
| name: docker image building and pushing to GitHub Packages | |
| on: | |
| push: | |
| branches: | |
| - '*' # Triggered on push to any branch | |
| pull_request: | |
| branches: [ '*' ] # Triggered on pull request to any branch | |
| schedule: | |
| - cron: '30 4,16 * * *' # Runs on a schedule at 4:30 and 16:30 | |
| env: | |
| GHCR_USERNAME: ${{ github.repository_owner }} # The owner of the repository | |
| GHCR_TOKEN: ${{ secrets.GHCR_TOKEN }} # The token for GHCR | |
| jobs: | |
| docker: | |
| runs-on: ubuntu-latest # The type of machine to run the job on | |
| steps: | |
| - name: Check if PR is from a fork | |
| # This step checks if the pull request is from a fork | |
| run: echo "IS_FORK=$(if [ '${{ github.event.pull_request.head.repo.full_name }}' != '${{ github.repository }}' ]; then echo 'true'; else echo 'false'; fi)" >> $GITHUB_ENV | |
| - name: Checkout | |
| # This step checks out the repository | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| - name: Retrieve modified files | |
| # This step retrieves the files that were modified in the commit | |
| id: changes | |
| run: echo "files=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} | tr '\n' ' ')" >> $GITHUB_ENV | |
| - name: Write Docker versions to file | |
| # This step writes the Docker and Docker Compose versions to a file | |
| run: | | |
| echo "- $(docker --version)" > docker-versions.txt | |
| echo "- $(docker compose version)" >> docker-versions.txt | |
| - name: Authenticate GH CLI | |
| # This step authenticates the GitHub CLI | |
| run: gh auth login --with-token <<< "${{ secrets.GITHUB_TOKEN }}" | |
| - name: Commit and create PR for Docker versions | |
| if: github.event_name != 'pull_request' | |
| run: | | |
| git config --global user.name 'GitHub Action' | |
| git config --global user.email 'action@github.com' | |
| git checkout -b docker-versions-update | |
| git add docker-versions.txt | |
| if git diff-index --quiet HEAD --; then | |
| echo "No changes to commit" | |
| else | |
| git commit -m "Update Docker versions" | |
| git push origin docker-versions-update | |
| echo 'y' | gh pr create --fill | |
| fi | |
| - name: Check for Dockerfile and context changes | |
| # This step checks for changes in Dockerfile and context | |
| run: | | |
| for file in ${{ env.files }}; do | |
| if [[ $file =~ (^|/)Dockerfile($|/)|(^|/)dockerfiles/ ]]; then | |
| echo "Dockerfile or dockerfiles directory has changed." | |
| echo "Changed file: $file" | |
| break | |
| fi | |
| done | |
| if (( $? == 0 )); then | |
| echo "No Dockerfile or context directory changes. Skipping Docker image build and push steps." | |
| echo "Changed files: ${{ env.files }}" | |
| fi | |
| - name: Set up QEMU | |
| # This step sets up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| - name: Set up Docker Buildx | |
| # This step sets up Docker Buildx | |
| uses: docker/setup-buildx-action@v3 | |
| - | |
| name: Login to GitHub Container Registry | |
| # This step logs in to GHCR | |
| if: contains(env.files, 'Dockerfile') | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ env.GHCR_USERNAME }} | |
| password: ${{ env.GHCR_TOKEN }} | |
| - name: Extract branch name | |
| # This step extracts the branch name | |
| shell: bash | |
| run: | | |
| BRANCH_NAME=$(echo ${GITHUB_REF#refs/heads/} | sed -e 's#/#-#g') | |
| if [[ "$BRANCH_NAME" == "main" ]]; then BRANCH_NAME=""; fi | |
| echo "BRANCH=$BRANCH_NAME" >> $GITHUB_ENV | |
| id: extract_branch | |
| - name: Extract branch name and set BRANCH environment variable | |
| # This step extracts the branch name and sets the BRANCH environment variable | |
| shell: bash | |
| run: | | |
| BRANCH_NAME=$(echo ${GITHUB_REF#refs/heads/} | sed -e 's#/#-#g') | |
| if [[ "$BRANCH_NAME" == "main" ]]; then BRANCH_NAME=""; fi | |
| echo "BRANCH=$BRANCH_NAME" >> $GITHUB_ENV | |
| - name: Set repository name to lowercase | |
| # This step sets the repository name to lowercase | |
| run: echo "REPO_NAME=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV | |
| - name: Build and push a simple jenkins controller | |
| # This step builds and pushes a simple Jenkins controller | |
| if: contains(env.files, 'dockerfiles/Dockerfile') || contains(env.files, 'dockerfiles/') | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dockerfiles | |
| platforms: linux/amd64, linux/aarch64 | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_NAME }}/jenkinsci-tutorials:simple_controller_${{ env.BRANCH }} | |
| - name: Build and push the jenkins agent for maven tutorial | |
| # This step builds and pushes the Jenkins agent for the Maven tutorial | |
| if: contains(env.files, 'dockerfiles/maven/Dockerfile') | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dockerfiles/maven | |
| platforms: linux/amd64, linux/aarch64 | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_NAME }}/jenkinsci-tutorials:maven_agent_${{ env.BRANCH }} | |
| - name: Build and push the jenkins agent for python tutorial | |
| # This step builds and pushes the Jenkins agent for the Python tutorial | |
| if: contains(env.files, 'dockerfiles/python/Dockerfile') | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dockerfiles/python | |
| platforms: linux/amd64, linux/aarch64 | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_NAME }}/jenkinsci-tutorials:python_agent_${{ env.BRANCH }} | |
| - name: Build and push the jenkins agent for node tutorial | |
| # This step builds and pushes the Jenkins agent for the Node.js tutorial | |
| if: contains(env.files, 'dockerfiles/node/Dockerfile') | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dockerfiles/node | |
| platforms: linux/amd64, linux/aarch64 | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_NAME }}/jenkinsci-tutorials:node_agent_${{ env.BRANCH }} | |
| - name: Build and push the jenkins agent for the sidekick container | |
| # This step builds and pushes the Jenkins agent for the sidekick container | |
| if: contains(env.files, 'dockerfiles/sidekick/Dockerfile') | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dockerfiles/sidekick | |
| platforms: linux/amd64, linux/aarch64 | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_NAME }}/jenkinsci-tutorials:sidekick_${{ env.BRANCH }} | |
| - name: Build and push the jenkins agent for the agent-finding container | |
| # This step builds and pushes the Jenkins agent for the agent-finding container | |
| if: contains(env.files, 'dockerfiles/agent-discovery/Dockerfile') | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dockerfiles/agent-discovery/ | |
| platforms: linux/amd64, linux/aarch64 | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_NAME }}/jenkinsci-tutorials:agent_discovery_${{ env.BRANCH }} | |
| - name: Build and push the jenkins agent for multi-branch controller | |
| # This step builds and pushes the Jenkins agent for the multi-branch controller | |
| if: contains(env.files, 'dockerfiles/multi/Dockerfile') | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dockerfiles/multi | |
| platforms: linux/amd64, linux/aarch64 | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_NAME }}/jenkinsci-tutorials:multi_controller_${{ env.BRANCH }} | |
| - name: Build and push the jenkins agent for Android | |
| # This step builds and pushes the Jenkins agent for Android | |
| if: contains(env.files, 'dockerfiles/android/Dockerfile') | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dockerfiles/android | |
| platforms: linux/amd64 | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_NAME }}/jenkinsci-tutorials:android_${{ env.BRANCH }} | |
| - name: Build and push the jenkins agent for golang tutorial | |
| # This step builds and pushes the Jenkins agent for the Golang tutorial | |
| if: contains(env.files, 'dockerfiles/golang/Dockerfile') | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: ./dockerfiles/golang | |
| platforms: linux/amd64, linux/arm64 | |
| push: true | |
| tags: ghcr.io/${{ env.REPO_NAME }}/jenkinsci-tutorials:golang_${{ env.BRANCH }} |