Update README.md #97
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| --- | |
| name: Build and Deploy | |
| on: | |
| push: | |
| branches: | |
| - main | |
| jobs: | |
| define_images: | |
| # Define a build matrix based on all changed *.hcl files so we can run packer only for image definitions that have actually changed | |
| # So if e.g. ubuntu/focal/variables.auto.pkrvars.hcl or ubuntu/focal/src-ubuntu.pkr.hcl changes, add "ubuntu/focal" to the matrix | |
| # Also ensure that if an image template (for instance, the general template for ubuntu images 'ubuntu/src-ubuntu.pkr.hcl') changes, | |
| # an entry is added to the matrix for each image definition that relies on (i.e. symlinks) it. | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| path: "${{ github.repository }}" | |
| - name: Get changed image definitions | |
| # Find changed .hcl files in all <os>/<version> directories | |
| id: changed-images-yaml | |
| uses: tj-actions/changed-files@v41 | |
| with: | |
| path: "${{ github.repository }}" | |
| dir_names: true | |
| dir_names_max_depth: 3 | |
| quotepath: false | |
| files_yaml: | | |
| images: | |
| - '*/*/*.hcl' | |
| - name: Get changed image definition templates | |
| # Find all changed base templates in all <os>/ directories | |
| id: changed-symlink-yaml | |
| uses: tj-actions/changed-files@v41 | |
| with: | |
| path: "${{ github.repository }}" | |
| quotepath: false | |
| files_yaml: | | |
| symlinks: | |
| - '*/*.hcl' | |
| - name: Get image directories based on changed symlinks | |
| # For every changed template in an <os> directory, collect all <os>/<version> directories that contain a symlink to the template. | |
| # For instance, if ubuntu/src-ubunut.pkr.hcl changes, find all subdirectories of 'ubuntu' that contain links to that file | |
| # -> the result would be e.g. 'ubuntu/focal ubuntu/jammy ubuntu/focal_desktop' | |
| id: get-symlink-dirs | |
| working-directory: "${{ github.repository }}" | |
| run: | | |
| # Loop over each changed <os>/*.hcl file | |
| for file in ${{ steps.changed-symlink-yaml.outputs.symlinks_all_changed_files }}; do | |
| dir=$(dirname $file) | |
| links=$(find "$dir" -type l) # Find all symlinks under the current $file's directory | |
| for link in $links; do | |
| # If this link has $file as a target, add the link's directory to the array of changed template directories | |
| if [[ $(readlink -f "$link") == $(realpath "$file") ]]; then | |
| CHANGED="$CHANGED $(dirname $link)" | |
| fi | |
| done | |
| done | |
| echo "Debug: " $CHANGED | |
| # Store the results | |
| echo changed_dirs="$CHANGED" >> "$GITHUB_OUTPUT" | |
| - id: set-images-matrix | |
| run: | | |
| # First add together the directories found in the changed-images-yaml and changed-templates-yaml steps into a single array | |
| ALL_DIRS="${{ steps.changed-images-yaml.outputs.images_all_changed_files }} ${{ steps.get-symlink-dirs.outputs.changed_dirs }}" | |
| # Now construct a unique array out of ALL_DIRS | |
| IMGS=($(echo "$ALL_DIRS" | xargs -n 1 | sort -u)) | |
| # Next create a valid json array out of the bash array using jq | |
| IMGS=$(printf '%s\n' "${MATRIX[@]}" | jq -R . | jq -c -s .) | |
| # Store the results | |
| echo images=$IMGS >> $GITHUB_OUTPUT | |
| # Create a matrix variable containing the images array and update_base_component array | |
| echo matrix={\"update_base_components\": [true, false], \"images\": $IMGS} >> $GITHUB_OUTPUT | |
| outputs: | |
| images: ${{ steps.set-images-matrix.outputs.images }} | |
| images_matrix: ${{ steps.set-images-matrix.outputs.matrix }} | |
| build_and_deploy: | |
| needs: define_images | |
| runs-on: ubuntu-latest | |
| if: ${{ needs.define_images.outputs.images != '[""]' && needs.define_images.outputs.images_matrix != '' }} | |
| env: | |
| ANSIBLE_VERSION: 2.15.5 | |
| strategy: | |
| fail-fast: false | |
| matrix: ${{ fromJSON(needs.define_images.outputs.images_matrix) }} | |
| steps: | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| submodules: recursive | |
| - name: Install specific ansible-core version | |
| run: pip install ansible-core==${{ env.ANSIBLE_VERSION }} | |
| - name: Install ansible dependencies | |
| run: ansible-galaxy collection install -r requirements.yml | |
| - name: Debug ansible version | |
| run: ansible-playbook --version | |
| - name: Login to GitHub Container Registry | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ghcr.io | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Build image | |
| id: build-image | |
| run: IMG=${{ matrix.images }} UPDATE_BASE_COMPONENTS=${{ matrix.update_base_components }} ./pack.sh docker | |
| - name: Get image name and tag # grep in the image directory's variables file to find the image name/tag to push to | |
| id: get-image-name | |
| run: | | |
| echo "docker_repo=`grep docker_repo ${{ matrix.images }}/variables.auto.pkrvars.hcl | awk '{print $3}'`" >> "$GITHUB_OUTPUT" | |
| - name: Push image | |
| run: docker push ${{ steps.get-image-name.outputs.docker_repo }}${{ matrix.update_base_components && '-pilot' || '' }} |