flux-diff.yaml

---
name: "Flux Diff"

on:
  pull_request:
    branches: ["main"]
    paths: ["kubernetes/**.yaml"]

jobs:
  flux-diff:
    name: Flux Diff
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    strategy:
      matrix:
        path: ["kubernetes/main"]
        resource: ["helmrelease", "kustomization"]
    steps:
      - name: Generate Token
        uses: actions/create-github-app-token@2986852ad836768dfea7781f31828eb3e17990fa # v1.6.2
        id: app-token
        with:
          app-id: "${{ secrets.BOT_APP_ID }}"
          private-key: "${{ secrets.BOT_APP_PRIVATE_KEY }}"

      - name: Setup Flux
        uses: fluxcd/flux2/action@53ad742e2d0f6f0df19ec11a25a0e3adce80c475 # v2.2.0

      - name: Diff Resources
        # uses: allenporter/flux-local/action/diff@19bfc6920e8964a479363bc230e6c329120ead02 # 3.2.0
        uses: allenporter/flux-local/action/diff@flux-build
        id: diff
        with:
          sources: home-kubernetes
          path: "${{ matrix.path }}"
          resource: "${{ matrix.resource }}"

      - if: ${{ steps.diff.outputs.diff != '' }}
        name: Add comment
        uses: mshick/add-pr-comment@7c0890544fb33b0bdd2e59467fbacb62e028a096 # v2.8.1
        with:
          repo-token: "${{ steps.app-token.outputs.token }}"
          message-id: "${{ github.event.pull_request.number }}/${{ matrix.path }}/${{ matrix.resource }}"
          message-failure: Diff was not successful
          message: |
            ```diff
            ${{ steps.diff.outputs.diff }}
            ```