balena.yml

---
name: publish to balenaCloud

on:
  # https://github.com/orgs/community/discussions/26724
  pull_request:
    types: [opened, synchronize, closed]
    branches:
      - master

env:
  ENVIRONMENT: balena-cloud.com
  BLOCK_PREFIX: belodetek/unzoner-dns
  VERBOSE: true

jobs:
  versioning:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: true
    outputs:
      semver: ${{ steps.semver.outputs.version }}
      version_tag: ${{ steps.semver.outputs.version_tag }}

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      # https://github.com/marketplace/actions/git-semantic-version
      - name: generate new semantic version
        id: semver
        uses: paulhatch/semantic-version@v4.0.2
        with:
          # https://www.conventionalcommits.org
          format: "${major}.${minor}.${patch}"
          major_pattern: "/major:\\s*|Change-type:\\s*major/gmi"
          minor_pattern: "/minor:\\s*|Change-type:\\s*minor/gmi"

      - name: check semver
        run: |
          [[ ${{ env.VERBOSE }} =~ true|True|On|on|1 ]] && set -x

          echo 'changed:        ${{ steps.semver.outputs.changed }}'
          echo 'increment:      ${{ steps.semver.outputs.increment }}'
          echo 'major:          ${{ steps.semver.outputs.major }}'
          echo 'minor:          ${{ steps.semver.outputs.minor }}'
          echo 'patch:          ${{ steps.semver.outputs.patch }}'
          echo 'version:        ${{ steps.semver.outputs.version }}'
          echo 'version_tag:    ${{ steps.semver.outputs.version_tag }}'

  release-notes:
    runs-on: ubuntu-latest
    needs: versioning
    strategy:
      fail-fast: true
    outputs:
      release_notes: ${{ steps.release-notes.outputs.release_notes }}

    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - uses: actions/setup-node@v3
        with:
          node-version: 18

      # https://github.com/cookpete/auto-changelog
      - name: generate release notes
        id: release-notes
        run: |
          [[ ${{ env.VERBOSE }} =~ true|True|On|on|1 ]] && set -x

          sudo npm --location=global install auto-changelog

          tmpfile="$(mktemp)"

          git tag '${{ needs.versioning.outputs.version_tag }}'

          auto-changelog \
            --output "${tmpfile}" \
            --starting-version '${{ needs.versioning.outputs.version_tag }}' \
            --ending-version '${{ needs.versioning.outputs.version_tag }}'

          release_notes="$(cat < "${tmpfile}")" && rm -f "${tmpfile}"

          echo "::set-output name=release_notes::$(echo "${release_notes}" | openssl base64 -A)"

  publish:
    runs-on: ubuntu-latest
    needs:
      - versioning
      - release-notes
    strategy:
      fail-fast: true
      matrix:
        arch:
          - aarch64
          - amd64
          - armv7hf
    outputs:
      aarch64_release_id: ${{ steps.block.outputs.aarch64_release_id }}
      aarch64_version: ${{ steps.block.outputs.aarch64_version }}
      amd64_release_id: ${{ steps.block.outputs.amd64_release_id }}
      amd64_version: ${{ steps.block.outputs.amd64_version }}
      armv7hf_release_id: ${{ steps.block.outputs.armv7hf_release_id }}
      armv7hf_version: ${{ steps.block.outputs.armv7hf_version }}

    steps:
      - uses: actions/checkout@v3

      - name: update release version(s)
        run: |
          [[ ${{ env.VERBOSE }} =~ true|True|On|on|1 ]] && set -x

          # https://github.com/mikefarah/yq/issues/439
          #yq -i e '.version="${{ needs.versioning.outputs.semver }}"' balena.yml
          sed -i '/version:.*/d' balena.yml
          echo 'version: ${{ needs.versioning.outputs.semver }}' >> balena.yml

      - name: push draft or finalise release
        id: build
        # https://github.com/balena-io/deploy-to-balena-action/pull/195
        uses: balena-io/balena-ci@ab77/operational
        with:
          balena_token: ${{ secrets.BALENA_API_KEY }}
          environment: ${{ env.ENVIRONMENT }}
          fleet: ${{ env.BLOCK_PREFIX }}-${{ matrix.arch }}
          github_token: ${{ secrets.GITHUB_TOKEN }}

      - name: export block build results
        id: block
        run: |
          [[ ${{ env.VERBOSE }} =~ true|True|On|on|1 ]] && set -x

          block_id="$(curl "https://api.${{ env.ENVIRONMENT }}/v6/application?\$filter=slug%20eq%20'${{ env.BLOCK_PREFIX }}-${{ matrix.arch }}'&\$select=id" \
            -H 'Content-Type: application/json' \
            -H 'Authorization: Bearer ${{ secrets.BALENA_API_KEY }}' \
            | jq -r '.d[].id')"

          # FIXME: https://github.com/balena-io/deploy-to-balena-action/issues/193
          arch_version='${{ steps.build.outputs.version }}'
          release_id='${{ steps.build.outputs.release_id }}'

          if [[ -z $arch_version ]]; then
              arch_version='${{ needs.versioning.outputs.semver }}'
          fi

          if [[ -z $release_id ]]; then
              release_id=$(curl --retry 3 --fail \
                "https://api.${{ env.ENVIRONMENT }}/v6/release?\$filter=belongs_to__application%20eq%20${block_id}&\$select=id,semver,is_final,is_invalidated,release_type" \
                -H 'Content-Type: application/json' \
                -H 'Authorization: Bearer ${{ secrets.BALENA_API_KEY }}' \
                | jq -r --arg semver '${{ needs.versioning.outputs.semver }}' \
                '.d[] | select((.semver==$semver) and (.is_final==true) and (.is_invalidated==false) and (.release_type=="final")).id' \
                | head -n 1)
          fi

          echo "::set-output name=${{ matrix.arch }}_block_id::${block_id}"
          echo "::set-output name=${{ matrix.arch }}_release_id::${release_id}"
          echo "::set-output name=${{ matrix.arch }}_version::${arch_version}"

      # FIXME: https://github.com/balena-io/deploy-to-balena-action/issues/194
      - name: update balena release notes
        run: |
          [[ ${{ env.VERBOSE }} =~ true|True|On|on|1 ]] && set -x

          # https://github.com/orgs/community/discussions/25634
          release_id='${{ steps.block.outputs[format('{0}_release_id', matrix.arch)] }}'

          block_id='${{ steps.block.outputs[format('{0}_block_id', matrix.arch)] }}'

          # FIXME: probably require additional escaping of JSON reserved characters
          release_notes="$(echo '${{ needs.release-notes.outputs.release_notes }}' \
            | base64 -d \
            | awk '{printf "%s\\n", $0}')"

          curl --retry 3 --fail \
            -X PATCH "https://api.${{ env.ENVIRONMENT }}/v6/release?\$filter=belongs_to__application%20eq%20${block_id}%20and%20id%20eq%20${release_id}" \
            -H 'Content-Type: application/json' \
            -H 'Authorization: Bearer ${{ secrets.BALENA_API_KEY }}' \
            -d "{\"note\":\"${release_notes}\"}"

  commit:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' && github.event.action == 'closed' && github.event.pull_request.merged == true
    needs:
      - versioning
      - publish
    strategy:
      fail-fast: true

    steps:
      - uses: actions/checkout@v3
        with:
          # https://github.com/marketplace/actions/git-auto-commit#push-to-protected-branches
          # https://github.com/orgs/community/discussions/25305
          token: ${{ secrets.PAT }}
          fetch-depth: 0

      - uses: actions/setup-node@v3
        with:
          node-version: 18

      # https://github.com/cookpete/auto-changelog
      - name: set release version(s) and prepare CHANGELOG.md
        run: |
          [[ ${{ env.VERBOSE }} =~ true|True|On|on|1 ]] && set -x

          sudo npm --location=global install auto-changelog

          git tag '${{ needs.versioning.outputs.version_tag }}'

          sed -i '/version:.*/d' balena.yml
          echo 'version: ${{ needs.versioning.outputs.semver }}' >> balena.yml

          auto-changelog

          git tag --delete '${{ needs.versioning.outputs.version_tag }}'

      - name: import GPG key
        id: import-gpg-key
        uses: crazy-max/ghaction-import-gpg@v4
        with:
          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
          passphrase: ${{ secrets.GPG_PASSPHRASE }}
          git_config_global: true
          git_user_signingkey: true
          git_commit_gpgsign: true

      # https://github.com/marketplace/actions/git-auto-commit
      - name: Commit CHANGELOG and versioned asset(s)
        uses: stefanzweifel/git-auto-commit-action@v4
        # https://stackoverflow.com/a/61565445/1559300
        with:
          add_options: -u
          branch: ${{ github.base_ref }}
          commit_author: ${{ steps.import-gpg-key.outputs.name }} <${{ steps.import-gpg-key.outputs.email }}>
          commit_message: |
            ci: Update CHANGELOG and ${{ needs.versioning.outputs.version_tag }} asset(s)

            Signed-off-by: ${{ steps.import-gpg-key.outputs.name }} <${{ steps.import-gpg-key.outputs.email }}>

          commit_options: --no-verify --signoff
          commit_user_email: ${{ steps.import-gpg-key.outputs.email }}
          commit_user_name: ${{ steps.import-gpg-key.outputs.name }}
          disable_globbing: true
          file_pattern: CHANGELOG.md balena.yml
          push_options: --force
          skip_checkout: true
          skip_dirty_check: true
          skip_fetch: true
          status_options: --untracked-files=no
          tagging_message: ${{ needs.versioning.outputs.version_tag }}