magnum-capi-helm-charts/.github/workflows/ensure-capi-images.yaml

name: Ensure CAPI images
on:
  workflow_call:
    inputs:
      ref:
        type: string
        description: The Git ref under test.
        required: true
    outputs:
      kube-1-28-image:
        value: ${{ jobs.produce_outputs.outputs.kube-1-28-image }}
      kube-1-28-version:
        value: ${{ jobs.produce_outputs.outputs.kube-1-28-version }}
      kube-1-29-image:
        value: ${{ jobs.produce_outputs.outputs.kube-1-29-image }}
      kube-1-29-version:
        value: ${{ jobs.produce_outputs.outputs.kube-1-29-version }}
      kube-1-30-image:
        value: ${{ jobs.produce_outputs.outputs.kube-1-30-image }}
      kube-1-30-version:
        value: ${{ jobs.produce_outputs.outputs.kube-1-30-version }}

jobs:
  image_manifest:
    runs-on: ubuntu-latest
    outputs:
      manifest: ${{ steps.images.outputs.manifest }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ inputs.ref }}

      - name: Fetch image details
        id: images
        run: |
          VN="$(jq -r '.["azimuth-images"]' ./dependencies.json)"
          MANIFEST="$(curl -fsSL "https://github.com/stackhpc/azimuth-images/releases/download/${VN}/manifest.json")"
          echo "manifest=$(jq -c . <<< "$MANIFEST")" >> $GITHUB_OUTPUT

  ensure_image:
    runs-on: ubuntu-latest
    needs: [image_manifest]
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: kube-1-28
            image: ${{ fromJSON(needs.image_manifest.outputs.manifest).kubernetes-1-28-jammy }}
            skip: ${{ github.event.pull_request.draft }}
          - name: kube-1-29
            image: ${{ fromJSON(needs.image_manifest.outputs.manifest).kubernetes-1-29-jammy }}
            skip: ${{ github.event.pull_request.draft }}
          - name: kube-1-30
            image: ${{ fromJSON(needs.image_manifest.outputs.manifest).kubernetes-1-30-jammy }}
            skip: false
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          ref: ${{ inputs.ref }}
        if: ${{ !matrix.skip }}

      - name: Write cloud credential
        run: >
          echo "$CLOUD" > clouds.yml
        shell: bash
        env:
          CLOUD: ${{ secrets.CLOUD }}
        if: ${{ !matrix.skip }}

      - uses: actions/setup-python@v4
        with:
          python-version: '3.9'
          check-latest: true
        if: ${{ !matrix.skip }}

      - name: Install OpenStack CLI
        run: pip install python-openstackclient
        if: ${{ !matrix.skip }}

      - name: Ensure Kubernetes image
        id: ensure-image
        uses: ./.github/actions/ensure-image
        with:
          image-name: ${{ matrix.image.name }}
          image-url: ${{ matrix.image.url }}
        if: ${{ !matrix.skip }}

      - name: Write matrix outputs
        uses: cloudposse/github-action-matrix-outputs-write@0.4.2
        with:
          matrix-step-name: ${{ github.job }}
          matrix-key: ${{ matrix.name }}
          outputs: |-
            image-id: ${{ steps.ensure-image.outputs.image-id }}
            kube-version: ${{ matrix.image.kubernetes_version }}
        if: ${{ !matrix.skip }}

  produce_outputs:
    runs-on: ubuntu-latest
    needs: [ensure_image]
    outputs:
      kube-1-28-image: ${{ fromJSON(steps.matrix-outputs.outputs.result).image-id.kube-1-28 }}
      kube-1-28-version: ${{ fromJSON(steps.matrix-outputs.outputs.result).kube-version.kube-1-28 }}
      kube-1-29-image: ${{ fromJSON(steps.matrix-outputs.outputs.result).image-id.kube-1-29 }}
      kube-1-29-version: ${{ fromJSON(steps.matrix-outputs.outputs.result).kube-version.kube-1-29 }}
      kube-1-30-image: ${{ fromJSON(steps.matrix-outputs.outputs.result).image-id.kube-1-30 }}
      kube-1-30-version: ${{ fromJSON(steps.matrix-outputs.outputs.result).kube-version.kube-1-30 }}
    steps:
      - name: Read matrix outputs
        id: matrix-outputs
        uses: cloudposse/github-action-matrix-outputs-read@0.1.1
        with:
          matrix-step-name: ensure_image