reusable-carvel-publish-package.yml

name: Reusable workflow for publishing Carvel packages

on:

  workflow_call:

    inputs:
      packages_basedir:
        type: string
        description: Packages base directory path
        default: packages
      package_path:
        type: string
        required: true
      package_version:
        type: string
        required: true
      package_name:
        type: string
        required: true
      package_provider:
        type: string
        required: true
      repo_dir:
        type: string
        description: Directory path to hold the contents of the Carvel repository
        default: repository
      kctrl_version:
        type: string
        default: v0.43.2

    outputs:
      package_repository:
        value: ${{ jobs.publish.outputs.package_repository }}
      package_registry:
        value: ${{ jobs.publish.outputs.package_registry }}
      package_metadata_name:
        value: ${{ jobs.publish.outputs.package_metadata_name }}

env:
  PACKAGE_VERSION: ${{ inputs.package_version }}
  PACKAGE_REGISTRY: ghcr.io
  PACKAGE_REPOSITORY: ${{ github.repository }}/${{ inputs.package_provider }}/carvel/${{ inputs.package_name }}
  PACKAGE_PROVIDER: ${{ inputs.package_provider }}
  PACKAGE_NAME: ${{ inputs.package_name }}
  PACKAGES_BASEDIR: ${{ inputs.packages_basedir }}
  PACKAGE_DIR: ${{ inputs.packages_basedir }}/${{ inputs.package_path }}

  CARVEL_REPO_DIR: ${{ inputs.repo_dir }}

jobs:

  publish:
    runs-on: ubuntu-latest

    outputs:
      package_repository: ${{ env.PACKAGE_REPOSITORY }}
      package_registry: ${{ env.PACKAGE_REGISTRY }}
      package_metadata_name: ${{ steps.info.outputs.package_metadata_name }}

    steps:

      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: '0'

      - name: Install Carvel tools
        uses: vmware-tanzu/carvel-setup-action@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          kctrl: ${{ inputs.kctrl_version }}

      - name: Kctrl Release
        run: make kctrl-release
        env:
          IMGPKG_REGISTRY_HOSTNAME: ${{ env.PACKAGE_REGISTRY }}
          IMGPKG_REGISTRY_USERNAME: ${{ github.actor }}
          IMGPKG_REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}

      - name: Get package info
        id: info
        run: |
          package_metadata_name=$(yq e '.metadata.name' ${PACKAGE_DIR}/package-metadata.yml)
          echo "package_metadata_name=${package_metadata_name}" >> $GITHUB_OUTPUT

      # The files for the repository have been generated into ${CARVEL_REPO_DIR}/packages
      # They will be added to a dedicated branch
      - name: Push artifacts
        run: |
          CURRENT_BRANCH=$(git branch --show-current)
          ARTIFACTS_BRANCH_NAME=${PACKAGE_METADATA_NAME}/${PACKAGE_VERSION}
          ARTIFACTS_DIR=${CARVEL_REPO_DIR}/packages/${PACKAGE_METADATA_NAME}

          git config --global user.email "${{ github.event.repository.name }}@${{ github.repository_owner }}.github.io"
          git config --global user.name "GitHub Actions Workflow"

          git checkout -b ${ARTIFACTS_BRANCH_NAME}
          git add ${ARTIFACTS_DIR}
          git commit -m "${ARTIFACTS_BRANCH_NAME}"
          git push -u origin ${ARTIFACTS_BRANCH_NAME}
        env:
          PACKAGE_METADATA_NAME: ${{ steps.info.outputs.package_metadata_name }}