Make E2E workflow 3rd party friendly (#35643)

.github/workflows/e2e-tests.yml

@@ -7,14 +7,31 @@ on:
       - 'release-**'
   pull_request:
     types: [opened, synchronize, reopened, ready_for_review]
+  workflow_run:
+    workflows: [External Trigger Filter]
+    types: [completed]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.head_ref && github.ref || github.run_id }}
   cancel-in-progress: true
 
 jobs:
+  external-filter:
+    if: github.event.pull_request.head.repo.full_name == github.repository || github.event.workflow_run.conclusion == 'success'
+    runs-on: ubuntu-22.04
+    timeout-minutes: 3
+    steps:
+      - run: |
+          if ${{ github.event.pull_request.head.repo.full_name == github.repository }}; then
+            echo 'Running E2E tests within the organization.'
+          elif ${{ github.event.workflow_run.conclusion == 'success' }}; then
+            echo "Running E2E tests for the external contributor. Thank you!"
+          fi
+
   files-changed:
     name: Check which files changed
+    needs: external-filter
+    if: needs.external-filter.result == 'success'
     runs-on: ubuntu-22.04
     timeout-minutes: 3
     outputs:
@@ -29,6 +46,8 @@ jobs:
           filters: .github/file-paths.yaml
 
   e2e-matrix-builder:
+    needs: external-filter
+    if: needs.external-filter.result == 'success'
     runs-on: ubuntu-22.04
     timeout-minutes: 5
     outputs:
@@ -40,9 +59,10 @@ jobs:
         uses: ./.github/actions/build-e2e-matrix
 
   build:
-    needs: [files-changed, e2e-matrix-builder]
+    needs: [files-changed, e2e-matrix-builder, external-filter]
     if: |
       !cancelled() &&
+      needs.external-filter.result == 'success' &&
       github.event.pull_request.draft == false &&
       needs.e2e-matrix-builder.result == 'success' &&
       needs.files-changed.outputs.e2e_all == 'true'
@@ -72,9 +92,9 @@ jobs:
           name: metabase-${{ matrix.edition }}-${{ github.event.pull_request.head.sha || github.sha }}-uberjar
 
   e2e-tests:
-    needs: [build, e2e-matrix-builder]
+    needs: [build, e2e-matrix-builder, external-filter]
     if: |
-      !cancelled() && needs.build.result == 'success'
+      !cancelled() && needs.build.result == 'success' && needs.external-filter.result == 'success'
     runs-on: ${{ matrix.runner }}
     timeout-minutes: 90
     name: e2e-tests-${{ matrix.name }}-${{ matrix.edition }}
@@ -182,10 +202,10 @@ jobs:
           if-no-files-found: ignore
 
   e2e-tests-skipped-stub:
-    needs: [e2e-tests, e2e-matrix-builder]
+    needs: [e2e-tests, e2e-matrix-builder, external-filter]
     if: |
       !cancelled() &&
-      needs.e2e-tests.result == 'skipped'
+      needs.e2e-tests.result == 'skipped' && needs.external-filter.result == 'success'
     runs-on: ${{ matrix.runner }}
     timeout-minutes: 5
     name: e2e-tests-${{ matrix.name }}-${{ matrix.edition }}
@@ -199,9 +219,9 @@ jobs:
   visual-regression-tests:
     runs-on: ubuntu-22.04
     timeout-minutes: 60
-    needs: [build]
+    needs: [build, external-filter]
     if: |
-      !cancelled() && needs.build.result == 'success'
+      !cancelled() && needs.build.result == 'success' && needs.external-filter.result == 'success'
     name: percy-visual-regression-tests
     steps:
       - uses: actions/checkout@v3