stackhpc-build-kayobe-image.yml

---
# This reusable workflow builds a Kayobe container image using the Dockerfile
# in kayobe-automation, then pushes it to a registry.

name: Build kayobe image

on:
  push:
    branches:
      # NOTE(upgrade): Reference only the current release branch here.
      - stackhpc/yoga

  workflow_call:
    inputs:
      http_proxy:
        type: string
        required: false
      https_proxy:
        type: string
        required: false
      no_proxy:
        type: string
        required: false
      if:
        description: Whether to run the workflow (workaround for required status checks issue)
        type: boolean
        default: true
    outputs:
      kayobe_image:
        description: Reference of Kayobe image that was built
        value: ${{ jobs.build-kayobe-image.outputs.kayobe_image }}

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-kayobe-image:
    name: Build kayobe image
    if: inputs.if || github.repository == 'stackhpc/stackhpc-kayobe-config' && github.event_name == 'push'
    runs-on: ubuntu-20.04
    permissions:
      contents: read
      packages: write
    outputs:
      kayobe_image: ${{ fromJSON(steps.meta.outputs.json).tags[0] }}
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - name: Checkout kayobe config
        uses: actions/checkout@v4
        with:
           submodules: true

      - name: Log in to the Container registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver-opts: |
            image=moby/buildkit:master
            env.http_proxy=${{ env.http_proxy }}
            env.https_proxy=${{ env.https_proxy }}
        # Doesn't like commas: invalid value "127.0.0.1", expecting k=v
        # env.no_proxy='${{ env.no_proxy }}'
        env:
           http_proxy: ${{ inputs.http_proxy }}
           https_proxy: ${{ inputs.https_proxy }}
           no_proxy: ${{ inputs.no_proxy }}

      # Setting KAYOBE_USER_UID and KAYOBE_USER_GID to 1001 to match docker's defaults
      # so that docker can run as a privileged user within the Kayobe image.
      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          file: ./.automation/docker/kayobe/Dockerfile
          context: .
          build-args: |
             http_proxy=${{ inputs.http_proxy }}
             https_proxy=${{ inputs.https_proxy }}
             KAYOBE_USER_UID=1001
             KAYOBE_USER_GID=1001
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}