release.yml

name: Release Charts

on:
  push:
    branches:
      - main
      - master
    paths:
      - "charts/**"

jobs:
  release:
    runs-on: ubuntu-latest

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

    steps:
      - name: Checkout
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          fetch-depth: 0

      - name: Install Cosign
        uses: sigstore/cosign-installer@4959ce089c160fddf62f7b42464195ba1a56d382 # v3.6.0

      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"

      - name: Set up Helm
        uses: azure/setup-helm@fe7b79cd5ee1e45176fcad797de68ecaf3ca4814 # v4.2.0

      - name: Add dependency chart repos
        run: |
          helm repo add falcosecurity https://falcosecurity.github.io/charts

      - name: Run chart-releaser
        uses: helm/chart-releaser-action@a917fd15b20e8b64b94d9158ad54cd6345335584 # v1.6.0
        with:
          charts_dir: charts
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

      - name: Login to GitHub Container Registry
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Publish and Sign OCI Charts
        run: |
          for chart in `find .cr-release-packages -name '*.tgz' -print`; do
            helm push ${chart} oci://ghcr.io/${GITHUB_REPOSITORY} |& tee helm-push-output.log
            file_name=${chart##*/}
            chart_name=${file_name%-*}
            digest=$(awk -F "[, ]+" '/Digest/{print $NF}' < helm-push-output.log)
            cosign sign "ghcr.io/${GITHUB_REPOSITORY}/${chart_name}@${digest}"
          done
        env:
          COSIGN_YES: true