build #2634
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| name: build | |
| on: | |
| push: | |
| branches: | |
| - main | |
| schedule: | |
| - cron: '25 */6 * * *' | |
| workflow_dispatch: | |
| jobs: | |
| parent-image: | |
| name: Check for updated parent image | |
| runs-on: ubuntu-latest | |
| outputs: | |
| updated: ${{ steps.check.outputs.updated }} | |
| steps: | |
| - name: Check last push times | |
| id: check | |
| run: | | |
| set -x | |
| base_url='https://hub.docker.com/v2/repositories' | |
| parent_url="${base_url}/jenkins/jenkins/tags/latest" | |
| child_url="${base_url}/${{ secrets.DOCKER_HUB_USERNAME }}/jenkins-docker/tags/latest" | |
| filter='.images|.[]|select(.architecture=="amd64")|.last_pushed' | |
| parent_last_pushed="$(date -d "$(curl -s "${parent_url}" | jq -r "${filter}")" +%s)" | |
| child_last_pushed="$(date -d "$(curl -s "${child_url}" | jq -r "${filter}")" +%s)" | |
| if (( parent_last_pushed > child_last_pushed )); then | |
| echo "updated=true" >> "${GITHUB_OUTPUT}" | |
| else | |
| echo "updated=false" >> "${GITHUB_OUTPUT}" | |
| fi | |
| build: | |
| name: Build Docker image | |
| runs-on: ubuntu-latest | |
| needs: parent-image | |
| if: needs.parent-image.outputs.updated == 'true' | |
| steps: | |
| - name: Check out repo | |
| uses: actions/checkout@v3 # https://github.com/actions/checkout | |
| - name: Set build variables | |
| id: vars | |
| run: | | |
| set -ex | |
| datetime="$(date --utc --iso-8601=seconds)" | |
| echo "datetime=${datetime}" >> "${GITHUB_OUTPUT}" | |
| docker_version="$(./get-latest-docker-release.sh stable)" | |
| echo "docker_version=${docker_version}" >> "${GITHUB_OUTPUT}" | |
| docker_compose_version="$(./get-latest-release-tag.sh docker compose)" | |
| echo "docker_compose_version=${docker_compose_version}" >> "${GITHUB_OUTPUT}" | |
| - name: Cache Docker layers | |
| uses: actions/cache@v3 # https://github.com/actions/cache | |
| with: | |
| path: /tmp/.buildx-cache | |
| key: ${{ runner.os }}-buildx-${{ github.job_number }} | |
| restore-keys: ${{ runner.os }}-buildx- | |
| - name: Log into Docker Hub | |
| uses: docker/login-action@v2 # https://github.com/docker/login-action | |
| with: | |
| username: ${{ secrets.DOCKER_HUB_USERNAME }} | |
| password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }} | |
| - name: Set up Docker Buildx | |
| uses: docker/setup-buildx-action@v2 # https://github.com/marketplace/actions/docker-setup-buildx | |
| - name: Build and push image | |
| id: docker-build | |
| uses: docker/build-push-action@v3 # https://github.com/docker/build-push-action | |
| with: | |
| context: . | |
| file: ./Dockerfile | |
| build-args: | | |
| DOCKER_COMPOSE_VERSION=${{ steps.vars.outputs.docker_compose_version }} | |
| DOCKER_VERSION=${{ steps.vars.outputs.docker_version }} | |
| tags: | | |
| ${{ secrets.DOCKER_HUB_USERNAME }}/jenkins-docker:latest | |
| labels: | | |
| org.opencontainers.image.created=${{ steps.vars.outputs.datetime }} | |
| org.opencontainers.image.revision=${{ github.sha }} | |
| docker-compose-version=${{ steps.vars.outputs.docker_compose_version }} | |
| docker-version=${{ steps.vars.outputs.docker_version }} | |
| pull: true | |
| push: true | |
| cache-from: type=local,src=/tmp/.buildx-cache | |
| cache-to: type=local,dest=/tmp/.buildx-cache-new | |
| - name: Show image digest | |
| run: echo ${{ steps.docker-build.outputs.digest }} | |
| # https://github.com/docker/build-push-action/issues/252#issuecomment-744400434 | |
| - name: Move cache | |
| run: | | |
| rm -rf /tmp/.buildx-cache | |
| mv /tmp/.buildx-cache-new /tmp/.buildx-cache |