release.yaml

name: Cut Release

on:
  push:
    tags:
      - "v*"

concurrency: cut-release

permissions:
  contents: write # needed to write releases
  id-token: write # needed for keyless signing
  packages: write # needed for pushing the images to ghcr.io

jobs:
  release:
    outputs:
      hashes: ${{ steps.hash.outputs.hashes }}
      tag_name: ${{ steps.tag.outputs.tag_name }}
    runs-on: ubuntu-latest
    steps:
      - uses: jlumbroso/free-disk-space@54081f138730dfa15788a46383842cd2f914a1be # v1.3.1
        with:
          android: true
          dotnet: true
          haskell: true
          large-packages: true
          docker-images: true
          swap-storage: true

      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0

      - uses: actions/setup-go@3041bf56c941b39c61721a86cd11f3bb1338122a # v5.2.0
        with:
          go-version-file: './go.mod'
          check-latest: true

      - uses: sigstore/cosign-installer@dc72c7d5c4d10cd6bcb8cf6e3fd625a9e5e537da

      - uses: anchore/sbom-action/download-syft@df80a981bc6edbc4e220a492d3cbe9f5547a6e75 # v0.17.9

      - uses: ko-build/setup-ko@3aebd0597dc1e9d1a26bcfdb7cbeb19c131d3037 # v0.7

      - name: Set up Cloud SDK
        uses: google-github-actions/auth@6fc4af4b145ae7821d527454aa9bd537d1f2dc5f # v2.1.7
        with:
          workload_identity_provider: 'projects/498091336538/locations/global/workloadIdentityPools/githubactions/providers/sigstore-policy-controller'
          service_account: 'gha-policy-controller@projectsigstore.iam.gserviceaccount.com'

      - name: 'Set up Cloud SDK'
        uses: google-github-actions/setup-gcloud@6189d56e4096ee891640bb02ac264be376592d6a # v2.1.2

      - name: creds
        run: gcloud auth configure-docker --quiet

      - name: Set LDFLAGS
        id: ldflags
        run: |
           source ./release/ldflags.sh
           goflags=$(ldflags)
           echo "GO_FLAGS="${goflags}"" >> "$GITHUB_ENV"

      - name: Set tag output
        id: tag
        run: echo "tag_name=${GITHUB_REF#refs/*/}" >> "$GITHUB_OUTPUT"

      - name: Run GoReleaser
        id: run-goreleaser
        uses: goreleaser/goreleaser-action@9ed2f89a662bf1735a48bc8557fd212fa902bebf # v6.1.0
        with:
          version: latest
          args: release --clean --timeout 120m --parallelism 1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          LDFLAGS: ${{ env.GO_FLAGS }}

      - name: Generate subject
        id: hash
        env:
          ARTIFACTS: "${{ steps.run-goreleaser.outputs.artifacts }}"
        run: |
          set -euo pipefail
          checksum_file=$(echo "$ARTIFACTS" | jq -r '.[] | select (.type=="Checksum") | .path')
          echo "hashes=$(cat $checksum_file | base64 -w0)" >> "$GITHUB_OUTPUT"

      - name: build images
        run: |
          make build-sign-release-images
        env:
          LDFLAGS: ${{ env.GO_FLAGS }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: copy-signed-release-to-ghcr
        run: make copy-signed-release-to-ghcr || true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  provenance:
    needs: [release]
    permissions:
      actions: read # To read the workflow path.
      id-token: write # To sign the provenance.
      contents: write # To add assets to a release.
    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.0.0
    with:
      base64-subjects: "${{ needs.release.outputs.hashes }}"
      upload-assets: true # upload to a new release
      upload-tag-name: "${{ needs.release.outputs.tag_name }}"