---
name: Build Custom Image
on:
  pull_request:
    branches:
      - main
  schedule:
    - cron: '05 10 * * *'  # 10:05am UTC everyday
  push:
    branches:
      - main
    paths-ignore:
      - '**/README.md'
  workflow_dispatch:

env:
  IMAGE_NAME: "uphy-test"  # the name of the image produced by this build, matches repo names
  IMAGE_DESC: "My Customized Universal Blue Image"
  IMAGE_REGISTRY: "rievo.dev/sst"  # do not edit
  ARTIFACTHUB_LOGO_URL: "https://avatars.githubusercontent.com/u/120078124?s=200&v=4"  # You should put your own image here so that you get a fancy profile image on https://artifacthub.io/!

concurrency:
  group: ${{ github.workflow }}-${{ github.ref || github.run_id }}-${{ inputs.brand_name}}-${{ inputs.stream_name }}
  cancel-in-progress: true

jobs:
  build_push:
    name: Build and push image
    runs-on: buildah-latest

    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      # These stage versions are pinned by https://github.com/renovatebot/renovate
      - name: Checkout
        uses: https://github.com/actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4

      # This is optional, but if you see that your builds are way too big for the runners, you can enable this by uncommenting the following lines:
      # - name: Maximize build space
      #   uses: ublue-os/remove-unwanted-software@517622d6452028f266b7ba4cc9a123b5f58a6b53 # v7
      #   with:
      #     remove-codeql: true
      
      - name: Get current date
        id: date
        run: |
          # This generates a timestamp like what is defined on the ArtifactHub documentation
          # E.G: 2022-02-08T15:38:15Z'
          # https://artifacthub.io/docs/topics/repositories/container-images/
          # https://linux.die.net/man/1/date
          echo "date=$(date -u +%Y\-%m\-%d\T%H\:%M\:%S\Z)" >> $GITHUB_OUTPUT

      # Image metadata for https://artifacthub.io/ - This is optional but is highly recommended so we all can get a index of all the custom images
      # The metadata by itself is not going to do anything, you choose if you want your image to be on ArtifactHub or not.
      - name: Image Metadata
        uses: https://github.com/docker/metadata-action@902fa8ec7d6ecbf8d84d538b9b233a880e428804 # v5
        id: metadata
        with:
          # This generates all the tags for your image, you can add custom tags here too!
          # By default, it should generate "latest" and "latest.(date here)".
          tags: |
            type=raw,value=latest
            type=raw,value=latest.{{date 'YYYYMMDD'}}
            type=raw,value={{date 'YYYYMMDD'}}
            type=sha,enable=${{ github.event_name == 'pull_request' }}
            type=ref,event=pr
          labels: |
            io.artifacthub.package.readme-url=https://raw.githubusercontent.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/refs/heads/main/README.md
            org.opencontainers.image.created=${{ steps.date.outputs.date }}
            org.opencontainers.image.description=${{ env.IMAGE_DESC }}
            org.opencontainers.image.documentation=https://raw.githubusercontent.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/refs/heads/main/README.md
            org.opencontainers.image.source=https://github.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}/blob/main/Containerfile
            org.opencontainers.image.title=${{ env.IMAGE_NAME }}
            org.opencontainers.image.url=https://github.com/${{ github.repository_owner }}/${{ env.IMAGE_NAME }}
            org.opencontainers.image.vendor=${{ github.repository_owner }}
            org.opencontainers.image.version=latest
            io.artifacthub.package.deprecated=false
            io.artifacthub.package.keywords=bootc,ublue,universal-blue
            io.artifacthub.package.license=Apache-2.0
            io.artifacthub.package.logo-url=${{ env.ARTIFACTHUB_LOGO_URL }}
            io.artifacthub.package.prerelease=false
            containers.bootc=1
          sep-tags: " "
          sep-annotations: " "

      - name: Build Image
        id: build_image
        uses: https://github.com/redhat-actions/buildah-build@7a95fa7ee0f02d552a32753e7414641a04307056 # v2
        with:
          containerfiles: |
            ./Containerfile
          # Postfix image name with -custom to make it a little more descriptive
          # Syntax: https://docs.github.com/en/actions/learn-github-actions/expressions#format
          image: ${{ env.IMAGE_NAME }}
          tags: ${{ steps.metadata.outputs.tags }}
          labels: ${{ steps.metadata.outputs.labels }}
          oci: false

      # Rechunk is a script that we use on Universal Blue to make sure there isnt a single huge layer when your image gets published.
      # This does not make your image faster to download, just provides better resumability and fixes a few errors.
      # Documentation for Rechunk is provided on their github repository at https://github.com/hhd-dev/rechunk
      # You can enable it by uncommenting the following lines:
      # - name: Run Rechunker
      #   id: rechunk
      #   uses: https://github.com/hhd-dev/rechunk@f153348d8100c1f504dec435460a0d7baf11a9d2 # v1.1.1
      #   with:
      #     rechunk: 'ghcr.io/hhd-dev/rechunk:v1.0.1'
      #     ref: "raw-img"
      #     prev-ref: "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.DEFAULT_TAG }}"
      #     skip_compression: true
      #     version: ${{ env.CENTOS_VERSION }}
      #     labels: ${{ steps.metadata.outputs.labels }} # Rechunk strips out all the labels during build, this needs to be reapplied here with newline separator

      # This is necessary so that the podman socket can find the rechunked image on its storage
      # - name: Load in podman and tag
      #   run: |
      #     IMAGE=$(podman pull ${{ steps.rechunk.outputs.ref }})
      #     sudo rm -rf ${{ steps.rechunk.outputs.output }}
      #     for tag in ${{ steps.metadata.outputs.tags }}; do
      #       podman tag $IMAGE ${{ env.IMAGE_NAME }}:$tag
      #     done

      # These `if` statements are so that pull requests for your custom images do not make it publish any packages under your name without you knowing
      # They also check if the runner is on the default branch so that things like the merge queue (if you enable it), are going to work
      # - name: Login to GitHub Container Registry
      #   uses: https://github.com/docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3
      #   if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
      #   with:
      #     registry: rievo.dev
      #     username: ${{ github.actor }}
      #     password: ${{ secrets.GITHUB_TOKEN }}

      # - name: Log in to the Container registry and push
      #   run: |
      #     echo "${{ secrets.GITHUB_TOKEN }}" | sudo podman login rievo.dev -u ${{ github.actor }} --password-stdin
      #     podman tag "${{ env.IMAGE_NAME }}:latest" "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}:latest"
      #     podman push "${{ env.IMAGE_REGISTRY }}/${{ env.IMAGE_NAME }}:latest"

      - name: Log in to the GitHub Container registry
        uses: https://github.com/redhat-actions/podman-login@4934294ad0449894bcd1e9f191899d7292469603 # master
        with:
          registry: rievo.dev
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
          auth_file_path: /run/containers/0/auth.json

      # Workaround bug where capital letters in your GitHub username make it impossible to push to GHCR.
      # https://github.com/macbre/push-to-ghcr/issues/12
      # - name: Lowercase Registry
      #   id: registry_case
      #   uses: ASzc/change-string-case-action@d0603cd0a7dd490be678164909f65c7737470a7f # v6
      #   with:
      #     string: ${{ env.IMAGE_REGISTRY }}

      # - name: Lowercase Image
      #   id: image_case
      #   uses: ASzc/change-string-case-action@d0603cd0a7dd490be678164909f65c7737470a7f # v6
      #   with:
      #     string: ${{ env.IMAGE_NAME }}

      - name: Push To GHCR
        uses: https://github.com/redhat-actions/push-to-registry@5ed88d269cf581ea9ef6dd6806d01562096bee9c # v2
        if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
        id: push
        env:
          REGISTRY_USER: ${{ github.actor }}
          REGISTRY_PASSWORD: ${{ secrets.GITHUB_TOKEN }}
        with:
          registry: ${{ env.IMAGE_REGISTRY }}
          image: ${{ env.IMAGE_NAME }}
          tags: ${{ steps.metadata.outputs.tags }}
          username: ${{ env.REGISTRY_USER }}
          password: ${{ env.REGISTRY_PASSWORD }}

      # This section is optional and only needs to be enabled if you plan on distributing
      # your project for others to consume. You will need to create a public and private key
      # using Cosign and save the private key as a repository secret in Github for this workflow
      # to consume. For more details, review the image signing section of the README.
      # - name: Install Cosign
      #   uses: sigstore/cosign-installer@d7d6bc7722e3daa8354c50bcb52f4837da5e9b6a # v3.8.1
      #   if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)

      # - name: Sign container image
      #   if: github.event_name != 'pull_request' && github.ref == format('refs/heads/{0}', github.event.repository.default_branch)
      #   run: |
      #     IMAGE_FULL="${{ steps.registry_case.outputs.lowercase }}/${{ steps.image_case.outputs.lowercase }}"
      #     for tag in ${{ steps.metadata.outputs.tags }}; do
      #       cosign sign -y --key env://COSIGN_PRIVATE_KEY $IMAGE_FULL:$tag
      #     done
      #   env:
      #     TAGS: ${{ steps.push.outputs.digest }}
      #     COSIGN_EXPERIMENTAL: false
      #     COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }}