name: push-ld
on:
  workflow_dispatch:

env:
  IMAGE: "ghcr.io/fluxcd/flagger-loadtester"

permissions:
  contents: write # needed to write releases
  packages: write # needed for ghcr access

jobs:
  build-push:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Prepare
        id: prep
        run: |
          VERSION=$(grep 'VERSION' cmd/loadtester/main.go | head -1 | awk '{ print $4 }' | tr -d '"')
          echo ::set-output name=BUILD_DATE::$(date -u +'%Y-%m-%dT%H:%M:%SZ')
          echo ::set-output name=VERSION::${VERSION}
      - name: Setup QEMU
        uses: docker/setup-qemu-action@v1
      - name: Setup Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v1
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v1
        with:
          registry: ghcr.io
          username: fluxcdbot
          password: ${{ secrets.GHCR_TOKEN }}
      - name: Generate image meta
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: |
            ${{ env.IMAGE }}
          tags: |
            type=raw,value=${{ steps.prep.outputs.VERSION }}
      - name: Publish image
        uses: docker/build-push-action@v2
        with:
          push: true
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          file: ./Dockerfile.loadtester
          platforms: linux/amd64,linux/arm64
          build-args: |
            REVISION=${{ github.sha }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
      - name: Check images
        run: |
          docker buildx imagetools inspect ${{ env.IMAGE }}:${{ steps.prep.outputs.VERSION }}