release.yml

name: Release

on:
  push:
    branches: [ 'main', 'master' ]
  workflow_dispatch:
    inputs:
      release_force:
        # see https://python-semantic-release.readthedocs.io/en/latest/github-action.html#command-line-options
        description: |
          Force release be one of: [major | minor | patch]
          Leave empty for auto-detect based on commit messages.
        type: choice
        options:
          - "" # auto - no force
          - major # force major
          - minor # force minor
          - patch # force patch
        default: ""
        required: false
      prerelease_token:
        description: 'The "prerelease identifier" to use as a prefix for the "prerelease" part of a semver. Like the rc in `1.2.0-rc.8`.'
        type: choice
        options:
          - rc
          - beta
          - alpha
        default: rc
        required: false
      prerelease:
        description: "Is a pre-release"
        type: boolean
        default: false
        required: false

concurrency:
  group: release
  cancel-in-progress: false  # prevent hiccups with semantic-release

env:
  REPORTS_DIR: CI_reports
  DIST_DIR: dist
  DIST_ARTIFACT: python-dist
  PYTHON_VERSION_DEFAULT: "3.12"
  POETRY_VERSION: "1.8.1"

jobs:
  quicktest:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        # see https://github.com/actions/checkout
        uses: actions/checkout@v4
      - name: Setup Python Environment
        # see https://github.com/actions/setup-python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ env.PYTHON_VERSION_DEFAULT }}
          architecture: 'x64'
      - name: Install poetry
        # see https://github.com/marketplace/actions/setup-poetry
        uses: Gr1N/setup-poetry@v9
        with:
          poetry-version: ${{ env.POETRY_VERSION }}
      - name: Install dependencies
        run: poetry install --no-root
      - name: Run tox
        run: poetry run tox run -e py -s false

  release-PyPI:
    outputs:
      released: ${{ steps.release.outputs.released }}   # "true" if a release was made, "false" otherwise
      version:  ${{ steps.release.outputs.version  }}   # The newly released version if one was made, otherwise the current version
      tag:      ${{ steps.release.outputs.tag      }}   # The Git tag corresponding to the version output
    needs:
      - quicktest
    # https://github.community/t/how-do-i-specify-job-dependency-running-in-another-workflow/16482
    # limit this to being run on regular commits, not the commits that semantic-release will create
    # but also allow manual workflow dispatch
    if: "!contains(github.event.head_commit.message, 'chore(release):')"
    runs-on: ubuntu-latest
    permissions:
      # NOTE: this enables trusted publishing.
      # See https://github.com/pypa/gh-action-pypi-publish/tree/release/v1#trusted-publishing
      # and https://blog.pypi.org/posts/2023-04-20-introducing-trusted-publishers/
      id-token: write
      contents: write
    steps:
      - name: Checkout code
        # see https://github.com/actions/checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Setup python
        # see https://github.com/actions/setup-python
        uses: actions/setup-python@v5
        with:
          python-version: ${{ env.PYTHON_VERSION_DEFAULT }}
          architecture: 'x64'
      - name: Install and configure Poetry
        # See https://github.com/marketplace/actions/install-poetry-action
        uses: snok/install-poetry@v1
        with:
          version: ${{ env.POETRY_VERSION }}
          virtualenvs-create: true
          virtualenvs-in-project: true
          installer-parallel: true
      - name: Install dependencies
        run: poetry install --no-root
      - name: View poetry version
        run: poetry --version
      - name: Python Semantic Release
        id: release
        # see https://python-semantic-release.readthedocs.io/en/latest/automatic-releases/github-actions.html
        # see https://github.com/python-semantic-release/python-semantic-release
        uses: python-semantic-release/python-semantic-release@v9.1.1
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          force: ${{ github.event.inputs.release_force }}
          prerelease: ${{ github.event.inputs.prerelease }}
          prerelease_token: ${{ github.event.inputs.prerelease_token }}
      - name: Publish package distributions to PyPI
        if: |
          !failure() && !cancelled() &&
          steps.release.outputs.released == 'true'
        # see https://github.com/pypa/gh-action-pypi-publish
        uses: pypa/gh-action-pypi-publish@release/v1
        with:
          attestations: true
      - name: Publish package distributions to GitHub Releases
        if: |
          !failure() && !cancelled() &&
          steps.release.outputs.released == 'true'
        # see https://github.com/python-semantic-release/upload-to-gh-release
        uses: python-semantic-release/upload-to-gh-release@main
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          tag: ${{ steps.release.outputs.tag }}
      - name: Artifact python dist
        if: |
          !failure() && !cancelled() &&
          steps.release.outputs.released == 'true'
        # see https://github.com/actions/upload-artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.DIST_ARTIFACT }}
          path: ${{ env.DIST_DIR }}/
          if-no-files-found: error
          # Dist results are required for further processing.
          # Therefore, make sure that python-semantic-release is configuret to keep dist.
          # see https://python-semantic-release.readthedocs.io/en/latest/configuration.html?highlight=remove_dist#remove-dist


  release-container-image:
    name: "Release: DockerHub & GitHubContainerRegistry"
    needs:
      - release-PyPI
    if: |
      !failure() && !cancelled() &&
      needs.release-PyPI.result == 'success' &&
      needs.release-PyPI.outputs.released == 'true' &&
      needs.release-PyPI.outputs.version &&
      needs.release-PyPI.outputs.tag
    runs-on: ubuntu-latest
    env:
      VERSION: ${{ needs.release-PyPI.outputs.version }}
      ARTIFACT_DOCKER_SBOM: 'docker-image-bom'
      DOCKERHUB_REPO: cyclonedx/cyclonedx-python
      GHCR_REPO: ghcr.io/${{ github.repository_owner }}/cyclonedx-python
    steps:
      - name: lowercase image tags
        run: |
          set -uex
          echo "DOCKERHUB_REPO=${DOCKERHUB_REPO@L}" >> "${GITHUB_ENV}"
          echo "GHCR_REPO=${GHCR_REPO@L}" >> "${GITHUB_ENV}"
      - name: Checkout code (${{ env.TAG }})
        # see https://github.com/actions/checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ needs.release-PyPI.outputs.tag }}
      - name: setup dirs
        run: |
          mkdir "$REPORTS_DIR"
          mkdir "$DIST_DIR"
      - name: Fetch python dist artifact
        # see https://github.com/actions/download-artifact
        uses: actions/download-artifact@v4
        with:
          name: ${{ env.DIST_ARTIFACT }}
          path: ${{ env.DIST_DIR }}/
      - name: Build Container Image (${{ env.VERSION }})
        run: >
          docker build -f Dockerfile
          --label "org.opencontainers.image.source=${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}"
          --label "org.opencontainers.image.revision=${GITHUB_SHA}"
          --label "org.opencontainers.image.version=${VERSION}"
          --build-arg "VERSION=${VERSION}"
          -t "$DOCKERHUB_REPO:$VERSION"
          -t "$DOCKERHUB_REPO:latest"
          -t "$GHCR_REPO:$VERSION"
          -t "$GHCR_REPO:latest"
          .
      - name: Build own SBoM (XML)
        run: >
          docker run --rm "$DOCKERHUB_REPO:$VERSION"
          environment
          -vvv
          --output-format XML
          > "$REPORTS_DIR/$ARTIFACT_DOCKER_SBOM.bom.xml"
      - name: Build own SBoM (JSON)
        run: >
          docker run --rm "$DOCKERHUB_REPO:$VERSION"
          environment
          -vvv
          --output-format JSON
          > "${REPORTS_DIR}/${ARTIFACT_DOCKER_SBOM}.bom.json"
      - name: Artifact reports
        if: ${{ ! cancelled() }}
        # see https://github.com/actions/upload-artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ env.ARTIFACT_DOCKER_SBOM }}
          path: ${{ env.REPORTS_DIR }}/*.bom.*
          if-no-files-found: error
      # publish AFTER the boms were build, as the bom-generation is kind of a test if the image works
      - name: Login to DockerHub
        # see hhttps://github.com/docker/login-action?tab=readme-ov-file#docker-hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Publish Container Image to DockerHub for version "${{ env.VERSION }}"
        run: docker push "$DOCKERHUB_REPO:$VERSION"
      - name: Publish Container Image to DockerHub as "latest"
        if: ${{ github.event.inputs.prerelease != 'false' }}
        run: docker push "$DOCKERHUB_REPO:latest"
      # endregion
      # region publish to GHCR
      - name: Login to GHCR
        # see https://github.com/docker/login-action#github-container-registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Publish Container Image to GHCR for version "${{ env.VERSION }}"
        run: docker push "$GHCR_REPO:$VERSION"
      - name: Publish Container Image to GHCR as "latest"
        if: ${{ github.event.inputs.prerelease != 'false' }}
        run: docker push "$GHCR_REPO:latest"
      # endregion
      # TODO: publish all files in $REPORTS_DIR as release assets - see https://github.com/actions/upload-release-asset
      - name: Destroy Container image
        # run regardless of outcome
        if: ${{ always() }}
        run: >
          docker rmi -f
          "$DOCKERHUB_REPO:$VERSION"
          "$DOCKERHUB_REPO:latest"
          "$GHCR_REPO:$VERSION"
          "$GHCR_REPO:latest"