name: Registry

on:
  push:
    branches:
      - master
    tags:
      - 'v*'
  workflow_dispatch: {}

permissions:
  contents: read

jobs:
  publish-vela-images:
    name: Build and Push Vela Images
    permissions:
      packages: write
      id-token: write
      attestations: write
      contents: write
    runs-on: ubuntu-22.04
    outputs:
      vela_core_image: ${{ steps.meta-vela-core.outputs.image }}
      vela_core_digest: ${{ steps.meta-vela-core.outputs.digest }}
      vela_core_dockerhub_image: ${{ steps.meta-vela-core.outputs.dockerhub_image }}
      vela_cli_image: ${{ steps.meta-vela-cli.outputs.image }}
      vela_cli_digest: ${{ steps.meta-vela-cli.outputs.digest }}
      vela_cli_dockerhub_image: ${{ steps.meta-vela-cli.outputs.dockerhub_image }}
    steps:
      - name: Checkout
        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.1

      - name: Install Crane
        uses: imjasonh/setup-crane@31b88efe9de28ae0ffa220711af4b60be9435f6e # v0.1

      - name: Install Cosign
        uses: sigstore/cosign-installer@d58896d6a1865668819e1d91763c7751a165e159 # main
        with:
          cosign-release: 'v2.5.0'

      - name: Get the image version
        id: get_version
        run: |
          VERSION=${GITHUB_REF#refs/tags/}
          if [[ ${GITHUB_REF} == "refs/heads/master" ]]; then
            VERSION=latest
          fi
          echo "VERSION=${VERSION}" >> $GITHUB_OUTPUT

      - name: Get git revision
        id: vars
        shell: bash
        run: |
          echo "git_revision=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT

      - name: Login to GHCR
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Login to DockerHub
        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772 # v3.4.0
        with:
          registry: docker.io
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Setup QEMU
        uses: docker/setup-qemu-action@29109295f81e9208d7d86ff1c6c12d2833863392 # v3.6.0

      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@6524bf65af31da8d45b59e8c27de4bd072b392f5 # v3.8.0
        with:
          driver-opts: image=moby/buildkit:master

      - name: Build & Push Vela Core for Dockerhub, GHCR
        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6.15.0
        with:
          context: .
          file: Dockerfile
          labels: |
            org.opencontainers.image.source=https://github.com/${{ github.repository }}
            org.opencontainers.image.revision=${{ github.sha }}
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          build-args: |
            GITVERSION=git-${{ steps.vars.outputs.git_revision }}
            VERSION=${{ steps.get_version.outputs.VERSION }}
            GOPROXY=https://proxy.golang.org
          tags: |
            docker.io/oamdev/vela-core:${{ steps.get_version.outputs.VERSION }}
            ghcr.io/${{ github.repository_owner }}/oamdev/vela-core:${{ steps.get_version.outputs.VERSION }}

      - name: Get Vela Core Image Digest
        id: meta-vela-core
        run: |
          GHCR_IMAGE=ghcr.io/${{ github.repository_owner }}/oamdev/vela-core
          DOCKER_IMAGE=docker.io/oamdev/vela-core
          TAG=${{ steps.get_version.outputs.VERSION }}

          DIGEST=$(crane digest $GHCR_IMAGE:$TAG)

          echo "image=$GHCR_IMAGE" >> $GITHUB_OUTPUT
          echo "dockerhub_image=$DOCKER_IMAGE" >> $GITHUB_OUTPUT
          echo "digest=$DIGEST" >> $GITHUB_OUTPUT

      - name: Generate SBOM for Vela Core Image
        id: generate_vela_core_sbom
        uses: anchore/sbom-action@v0.17.0
        with:
          image: ghcr.io/${{ github.repository_owner }}/oamdev/vela-core:${{ steps.get_version.outputs.VERSION }}
          registry-username: ${{ github.actor }}
          registry-password: ${{ secrets.GITHUB_TOKEN }}
          format: spdx-json
          artifact-name: sbom-vela-core.spdx.json
          output-file: ${{ github.workspace }}/sbom-vela-core.spdx.json

      - name: Sign Vela Core Image and Attest SBOM
        env:
          COSIGN_EXPERIMENTAL: 'true'
        run: |
          echo "signing vela core images..."
          cosign sign --yes ghcr.io/${{ github.repository_owner }}/oamdev/vela-core@${{ steps.meta-vela-core.outputs.digest }}
          cosign sign --yes docker.io/oamdev/vela-core@${{ steps.meta-vela-core.outputs.digest }}

          echo "attesting SBOM against the vela core image..."
          cosign attest --yes --predicate ${{ github.workspace }}/sbom-vela-core.spdx.json --type spdx \
          ghcr.io/${{ github.repository_owner }}/oamdev/vela-core@${{ steps.meta-vela-core.outputs.digest }}

          cosign attest --yes --predicate ${{ github.workspace }}/sbom-vela-core.spdx.json --type spdx \
          docker.io/oamdev/vela-core@${{ steps.meta-vela-core.outputs.digest }}

      - name: Build & Push Vela CLI for Dockerhub, GHCR
        uses: docker/build-push-action@471d1dc4e07e5cdedd4c2171150001c434f0b7a4 # v6.15.0
        with:
          context: .
          file: Dockerfile.cli
          labels: |
            org.opencontainers.image.source=https://github.com/${{ github.repository }}
            org.opencontainers.image.revision=${{ github.sha }}
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          build-args: |
            GITVERSION=git-${{ steps.vars.outputs.git_revision }}
            VERSION=${{ steps.get_version.outputs.VERSION }}
            GOPROXY=https://proxy.golang.org
          tags: |
            docker.io/oamdev/vela-cli:${{ steps.get_version.outputs.VERSION }}
            ghcr.io/${{ github.repository_owner }}/oamdev/vela-cli:${{ steps.get_version.outputs.VERSION }}

      - name: Get Vela CLI Image Digest
        id: meta-vela-cli
        run: |
          GHCR_IMAGE=ghcr.io/${{ github.repository_owner }}/oamdev/vela-cli
          DOCKER_IMAGE=docker.io/oamdev/vela-cli
          TAG=${{ steps.get_version.outputs.VERSION }}

          DIGEST=$(crane digest $GHCR_IMAGE:$TAG)

          echo "image=$GHCR_IMAGE" >> $GITHUB_OUTPUT
          echo "dockerhub_image=$DOCKER_IMAGE" >> $GITHUB_OUTPUT
          echo "digest=$DIGEST" >> $GITHUB_OUTPUT

      - name: Generate SBOM for Vela CLI Image
        id: generate_sbom
        uses: anchore/sbom-action@v0.17.0
        with:
          image: ghcr.io/${{ github.repository_owner }}/oamdev/vela-cli:${{ steps.get_version.outputs.VERSION }}
          registry-username: ${{ github.actor }}
          registry-password: ${{ secrets.GITHUB_TOKEN }}
          format: spdx-json
          artifact-name: sbom-vela-cli.spdx.json
          output-file: ${{ github.workspace }}/sbom-vela-cli.spdx.json

      - name: Sign Vela CLI Image and Attest SBOM
        env:
          COSIGN_EXPERIMENTAL: 'true'
        run: |
          echo "signing vela CLI images..."
          cosign sign --yes ghcr.io/${{ github.repository_owner }}/oamdev/vela-cli@${{ steps.meta-vela-cli.outputs.digest }}
          cosign sign --yes docker.io/oamdev/vela-cli@${{ steps.meta-vela-cli.outputs.digest }}      

          echo "attesting SBOM against the vela cli image..."
          cosign attest --yes --predicate ${{ github.workspace }}/sbom-vela-cli.spdx.json --type spdx \
          ghcr.io/${{ github.repository_owner }}/oamdev/vela-cli@${{ steps.meta-vela-cli.outputs.digest }}

          cosign attest --yes --predicate ${{ github.workspace }}/sbom-vela-cli.spdx.json --type spdx \
          docker.io/oamdev/vela-cli@${{ steps.meta-vela-cli.outputs.digest }}

      - name: Publish SBOMs as release artifacts
        uses: anchore/sbom-action/publish-sbom@v0.17.0

  provenance-ghcr:
    name: Generate and Push Provenance to GCHR
    needs: publish-vela-images
    if: startsWith(github.ref, 'refs/tags/')
    strategy:
      matrix:
        include:
          - name: 'Vela Core Image'
            image: ${{ needs.publish-vela-images.outputs.vela_core_image }}
            digest: ${{ needs.publish-vela-images.outputs.vela_core_digest }}
          - name: 'Vela CLI Image'
            image: ${{ needs.publish-vela-images.outputs.vela_cli_image }}
            digest: ${{ needs.publish-vela-images.outputs.vela_cli_digest }}
    permissions:
      id-token: write
      contents: write
      actions: read
      packages: write
    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v2.1.0 # has to be sem var
    with:
      image: ${{ matrix.image }}
      digest: ${{ matrix.digest }}
      registry-username: ${{ github.actor }}
    secrets:
      registry-password: ${{ secrets.GITHUB_TOKEN }}

  provenance-dockerhub:
    name: Generate and Push Provenance to DockerHub
    needs: publish-vela-images
    if: startsWith(github.ref, 'refs/tags/')
    strategy:
      matrix:
        include:
          - name: 'Vela Core Image'
            image: ${{ needs.publish-vela-images.outputs.vela_core_dockerhub_image }}
            digest: ${{ needs.publish-vela-images.outputs.vela_core_digest }}
          - name: 'Vela CLI Image'
            image: ${{ needs.publish-vela-images.outputs.vela_cli_dockerhub_image }}
            digest: ${{ needs.publish-vela-images.outputs.vela_cli_digest }}
    permissions:
      id-token: write
      contents: write
      packages: write
      actions: read
    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_container_slsa3.yml@v2.1.0
    with:
      image: ${{ matrix.image }}
      digest: ${{ matrix.digest }}
    secrets:
      registry-username: ${{ secrets.DOCKER_USERNAME }}
      registry-password: ${{ secrets.DOCKER_PASSWORD }}