name: 'Ephemeral instances: PR comment'
on:
  issue_comment:
    types: [created]
jobs:
  config:
    if: github.event.sender.type == 'User' &&
        github.event.issue.pull_request &&
        startsWith(github.event.comment.body, '/deploy-to-hg')
    runs-on:
      labels: ubuntu-latest-8-cores
    outputs:
      has-secrets: ${{ steps.check.outputs.has-secrets }}
    steps:
      - name: "Check for secrets"
        id: check
        shell: bash
        run: |
          if [ -n "${{ (secrets.EI_APP_ID != '' &&
                        secrets.EI_APP_PRIVATE_KEY != '' &&
                        secrets.EI_GCOM_HOST != '' &&
                        secrets.EI_GCOM_TOKEN != '' &&
                        secrets.EI_EPHEMERAL_INSTANCES_REGISTRY != '' &&
                        secrets.EI_GCP_SERVICE_ACCOUNT_KEY_BASE64 != '' &&
                        secrets.EI_EPHEMERAL_ORG_ID != ''
                        ) || '' }}" ]; then
            echo "has-secrets=1" >> "$GITHUB_OUTPUT"
          fi

  handle-pull-request-event:
    needs: config
    if: needs.config.outputs.has-secrets &&
        github.event.sender.type == 'User' &&
        github.event.issue.pull_request &&
        startsWith(github.event.comment.body, '/deploy-to-hg')
    runs-on:
      labels: ubuntu-latest-8-cores
    continue-on-error: true
    steps:
      - name: Setup Go
        uses: actions/setup-go@v4
        with:
          go-version: '>=1.22.3'

      - name: Generate a GitHub app installation token
        id: generate_token
        uses: tibdex/github-app-token@b62528385c34dbc9f38e5f4225ac829252d1ea92
        with:
          app_id: ${{ secrets.EI_APP_ID }}
          private_key: ${{ secrets.EI_APP_PRIVATE_KEY }}

      - name: Checkout ephemeral instances repository
        uses: actions/checkout@v4
        with:
          repository: grafana/ephemeral-grafana-instances-github-action
          token: ${{ steps.generate_token.outputs.token }}
          ref: main
          path: ephemeral

      - name: Run action
        env:
          GITHUB_EVENT: ${{ toJson(github.event)}}
        run: |
          GRAFANA_VERSION=10.1.0

          cd $GITHUB_WORKSPACE/ephemeral/src
          go run . \
            -GITHUB_TOKEN="${{ steps.generate_token.outputs.token }}" \
            -GITHUB_WORKFLOW_RUN_ID="${{ github.run_id }}" \
            -GITHUB_EVENT="$GITHUB_EVENT" \
            -GITHUB_TRIGGERING_ACTOR="${{ github.triggering_actor }}" \
            -GCOM_HOST="${{ secrets.EI_GCOM_HOST }}" \
            -GCOM_TOKEN="${{ secrets.EI_GCOM_TOKEN }}" \
            -HOSTED_GRAFANA_IMAGE_TAG="$GRAFANA_VERSION-ephemeral-oss-${{ github.event.issue.number}}-${{ github.run_number }}-${{ github.run_attempt }}" \
            -REGISTRY="${{ secrets.EI_EPHEMERAL_INSTANCES_REGISTRY }}" \
            -GRAFANA_VERSION="$GRAFANA_VERSION" \
            -GCP_SERVICE_ACCOUNT_KEY_BASE64="${{ secrets.EI_GCP_SERVICE_ACCOUNT_KEY_BASE64 }}" \
            -EPHEMERAL_ORG_ID="${{ secrets.EI_EPHEMERAL_ORG_ID }}" || true