name: e2e-gcp

on:
  workflow_dispatch:
  schedule:
    - cron: '0 6 * * *'
  push:
    branches:
      - main
    paths:
      - 'tests/**'
      - '.github/workflows/e2e-gcp.yaml'
  pull_request:
    branches:
      - main
    paths:
      - 'tests/**'
      - '.github/workflows/e2e-gcp.yaml'

permissions:
  contents: read

jobs:
  e2e-gcp:
    runs-on: ubuntu-22.04
    defaults:
      run:
        working-directory: ./tests/integration
    if: (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository) && github.actor != 'dependabot[bot]'
    steps:
      - name: Checkout
        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
      - name: Setup Go
        uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 # v5.0.1
        with:
          go-version: 1.22.x
          cache-dependency-path: tests/integration/go.sum
      - name: Setup Flux CLI
        run: make build
        working-directory: ./
      - name: Setup SOPS
        run: |
          mkdir -p $HOME/.local/bin
          wget -O $HOME/.local/bin/sops https://github.com/mozilla/sops/releases/download/v$SOPS_VER/sops-v$SOPS_VER.linux
          chmod +x $HOME/.local/bin/sops
        env:
          SOPS_VER: 3.7.1
      - name: Authenticate to Google Cloud
        uses: google-github-actions/auth@55bd3a7c6e2ae7cf1877fd1ccb9d54c0503c457c # v2.1.2
        id: 'auth'
        with:
          credentials_json: '${{ secrets.FLUX2_E2E_GOOGLE_CREDENTIALS }}'
          token_format: 'access_token'
      - name: Setup gcloud
        uses: google-github-actions/setup-gcloud@98ddc00a17442e89a24bbf282954a3b65ce6d200 # v2.1.0
      - name: Setup QEMU
        uses: docker/setup-qemu-action@68827325e0b33c7199eb31dd4e31fbe9023e06e3 # v3.0.0
      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@d70bba72b1f3fd22344832f00baa16ece964efeb # v3.3.0
      - name: Log into us-central1-docker.pkg.dev
        uses: docker/login-action@e92390c5fb421da1463c202d546fed0ec5c39f20 # v3.1.0
        with:
          registry: us-central1-docker.pkg.dev
          username: oauth2accesstoken
          password: ${{ steps.auth.outputs.access_token }}
      - name: Set dynamic variables in .env
        run: |
          cat > .env <<EOF
          export TF_VAR_tags='{ "environment"="github", "ci"="true", "repo"="flux2", "createdat"="$(date -u +x%Y-%m-%d_%Hh%Mm%Ss)" }'
          EOF
      - name: Print .env for dynamic tag value reference
        run: cat .env
      - name: Run GCP e2e tests
        env:
          TF_VAR_gcp_project_id: ${{ vars.TF_VAR_gcp_project_id }}
          TF_VAR_gcp_region: ${{ vars.TF_VAR_gcp_region }}
          TF_VAR_gcp_zone: ${{ vars.TF_VAR_gcp_zone }}
          TF_VAR_gcp_email: ${{ secrets.TF_VAR_gcp_email }}
          TF_VAR_gcp_keyring: ${{ secrets.TF_VAR_gcp_keyring }}
          TF_VAR_gcp_crypto_key: ${{ secrets.TF_VAR_gcp_crypto_key }}
          GITREPO_SSH_CONTENTS: ${{ secrets.GCP_GITREPO_SSH_CONTENTS }}
          GITREPO_SSH_PUB_CONTENTS: ${{ secrets.GCP_GITREPO_SSH_PUB_CONTENTS }}
        run: |
          source .env
          mkdir -p ./build/ssh
          touch ./build/ssh/key
          echo $GITREPO_SSH_CONTENTS | base64 -d > build/ssh/key
          export GITREPO_SSH_PATH=build/ssh/key
          touch ./build/ssh/key.pub
          echo $GITREPO_SSH_PUB_CONTENTS | base64 -d > ./build/ssh/key.pub
          export GITREPO_SSH_PUB_PATH=build/ssh/key.pub
          make test-gcp
      - name: Ensure resource cleanup
        if: ${{ always() }}
        env:
          TF_VAR_gcp_project_id: ${{ vars.TF_VAR_gcp_project_id }}
          TF_VAR_gcp_region: ${{ vars.TF_VAR_gcp_region }}
          TF_VAR_gcp_zone: ${{ vars.TF_VAR_gcp_zone }}
          TF_VAR_gcp_email: ${{ secrets.TF_VAR_gcp_email }}
          TF_VAR_gcp_keyring: ${{ secrets.TF_VAR_gcp_keyring }}
          TF_VAR_gcp_crypto_key: ${{ secrets.TF_VAR_gcp_crypto_key }}
        run: source .env && make destroy-gcp