release.yaml

# Copyright 2023 The OpenVEX Authors
# SPDX-License-Identifier: Apache-2.0

name: Release

on:
  push:
    tags:
      - 'v*'

jobs:
  release:
    runs-on: ubuntu-latest

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

    env:
      GO111MODULE: on
      COSIGN_YES: "true"

    outputs:
      hashes: ${{ steps.hash.outputs.hashes }}
      tag_name: ${{ steps.tag.outputs.tag_name }}

    steps:
      - name: Check out code onto GOPATH
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

      - uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v3.3.0
        with:
          go-version: '1.21'
          check-latest: true

      - name: Install cosign
        uses: sigstore/cosign-installer@1fc5bd396d372bee37d608f955b336615edf79c8 # v3.2.0

      - uses: ko-build/setup-ko@ace48d793556083a76f1e3e6068850c1f4a369aa # v0.6
        with:
          version: v0.14.1

      - name: Get TAG
        id: get_tag
        run: echo "TAG=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT

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

      - name: Log into ghcr.io
        run: echo ${{ secrets.GITHUB_TOKEN }} | ko login ghcr.io -u ${{ github.repository_owner }} --password-stdin

      - name: Run GoReleaser
        id: run-goreleaser
        uses: goreleaser/goreleaser-action@7ec5c2b0c6cdda6e8bbb49444bc797dd33d74dd8 # v5.0.0
        with:
          version: latest
          args: release --clean
        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 || 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@v1.9.0
    with:
      base64-subjects: "${{ needs.release.outputs.hashes }}"
      upload-assets: true # upload to a new release
      upload-tag-name: "${{ needs.release.outputs.tag_name }}"