name: Trigger E2E Tests

on:
  pull_request:
    types:
      - ready_for_review
  workflow_call:

defaults:
  run:
    shell: bash -euxo pipefail {0}

env:
  # A concurrency group that we use for e2e-tests runs, matches `concurrency.group` above with `github.repository` as a prefix
  E2E_CONCURRENCY_GROUP: ${{ github.repository }}-e2e-tests-${{ github.ref_name }}-${{ github.ref_name == 'main' && github.sha || 'anysha' }}
  AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_DEV }}
  AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_KEY_DEV }}

jobs:
  cancel-previous-e2e-tests:
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest

    steps:
      - name: Cancel previous e2e-tests runs for this PR
        env:
          GH_TOKEN: ${{ secrets.CI_ACCESS_TOKEN }}
        run: |
          gh workflow --repo neondatabase/cloud \
            run cancel-previous-in-concurrency-group.yml \
              --field concurrency_group="${{ env.E2E_CONCURRENCY_GROUP }}"

  tag:
    runs-on: [ ubuntu-latest ]
    outputs:
      build-tag: ${{ steps.build-tag.outputs.tag }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get build tag
        env:
          GH_TOKEN: ${{ secrets.CI_ACCESS_TOKEN }}
          CURRENT_BRANCH: ${{ github.head_ref || github.ref_name }}
          CURRENT_SHA: ${{ github.event.pull_request.head.sha || github.sha }}
        run: |
          if [[ "$GITHUB_REF_NAME" == "main" ]]; then
            echo "tag=$(git rev-list --count HEAD)" | tee -a $GITHUB_OUTPUT
          elif [[ "$GITHUB_REF_NAME" == "release" ]]; then
            echo "tag=release-$(git rev-list --count HEAD)" | tee -a $GITHUB_OUTPUT
          else
            echo "GITHUB_REF_NAME (value '$GITHUB_REF_NAME') is not set to either 'main' or 'release'"
            BUILD_AND_TEST_RUN_ID=$(gh run list -b $CURRENT_BRANCH -c $CURRENT_SHA -w 'Build and Test' -L 1 --json databaseId --jq '.[].databaseId')
            echo "tag=$BUILD_AND_TEST_RUN_ID" | tee -a $GITHUB_OUTPUT
          fi
        id: build-tag

  trigger-e2e-tests:
    needs: [ tag ]
    runs-on: [ self-hosted, gen3, small ]
    env:
      TAG: ${{ needs.tag.outputs.build-tag }}
    container:
      image: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/base:pinned
      options: --init
    steps:
      - name: check if ecr image are present
        run: |
          for REPO in neon compute-tools compute-node-v14 vm-compute-node-v14 compute-node-v15 vm-compute-node-v15 compute-node-v16 vm-compute-node-v16; do
            OUTPUT=$(aws ecr describe-images --repository-name ${REPO} --region eu-central-1 --query "imageDetails[?imageTags[?contains(@, '${TAG}')]]" --output text)
            if [ "$OUTPUT" == "" ]; then
              echo "$REPO with image tag $TAG not found" >> $GITHUB_OUTPUT
              exit 1
            fi
          done

      - name: Set PR's status to pending and request a remote CI test
        run: |
          # For pull requests, GH Actions set "github.sha" variable to point at a fake merge commit
          # but we need to use a real sha of a latest commit in the PR's branch for the e2e job,
          # to place a job run status update later.
          COMMIT_SHA=${{ github.event.pull_request.head.sha }}
          # For non-PR kinds of runs, the above will produce an empty variable, pick the original sha value for those
          COMMIT_SHA=${COMMIT_SHA:-${{ github.sha }}}

          REMOTE_REPO="${{ github.repository_owner }}/cloud"

          curl -f -X POST \
          https://api.github.com/repos/${{ github.repository }}/statuses/$COMMIT_SHA \
          -H "Accept: application/vnd.github.v3+json" \
          --user "${{ secrets.CI_ACCESS_TOKEN }}" \
          --data \
            "{
              \"state\": \"pending\",
              \"context\": \"neon-cloud-e2e\",
              \"description\": \"[$REMOTE_REPO] Remote CI job is about to start\"
            }"

          curl -f -X POST \
          https://api.github.com/repos/$REMOTE_REPO/actions/workflows/testing.yml/dispatches \
          -H "Accept: application/vnd.github.v3+json" \
          --user "${{ secrets.CI_ACCESS_TOKEN }}" \
          --data \
            "{
              \"ref\": \"main\",
              \"inputs\": {
                \"ci_job_name\": \"neon-cloud-e2e\",
                \"commit_hash\": \"$COMMIT_SHA\",
                \"remote_repo\": \"${{ github.repository }}\",
                \"storage_image_tag\": \"${TAG}\",
                \"compute_image_tag\": \"${TAG}\",
                \"concurrency_group\": \"${{ env.E2E_CONCURRENCY_GROUP }}\"
              }
            }"