feat: Add integration test trigger workflow

.github/workflows/trigger-integration-tests.yml

@@ -0,0 +1,290 @@
+# Copyright (c) 2025 ADBC Drivers Contributors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+name: Trigger Integration Tests
+on:
+  pull_request:
+    types: [labeled, synchronize]  # Trigger on label add or new commits
+  merge_group:  # Trigger when added to merge queue
+jobs:
+  # =============================================================================
+  # For PRs: Only run if "integration-test" label exists
+  # =============================================================================
+  check-should-run-pr:
+    if: github.event_name == 'pull_request'
+    runs-on: [self-hosted, Linux, X64, peco-driver]
+    outputs:
+      run: ${{ steps.check.outputs.run }}
+    steps:
+      - name: Check for integration-test label
+        id: check
+        run: |
+          if [[ "${{ contains(github.event.pull_request.labels.*.name, 'integration-test') }}" == "true" ]]; then
+            echo "✅ integration-test label found - will trigger tests"
+            echo "run=true" >> $GITHUB_OUTPUT
+          else
+            echo "⏭️ integration-test label not found - skipping tests"
+            echo "run=false" >> $GITHUB_OUTPUT
+          fi
+  trigger-tests-pr:
+    needs: check-should-run-pr
+    if: needs.check-should-run-pr.outputs.run == 'true'
+    runs-on: [self-hosted, Linux, X64, peco-driver]
+    permissions:
+      issues: write
+      pull-requests: write
+    steps:
+      - name: Generate GitHub App Token
+        id: app-token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ secrets.INTEGRATION_TEST_APP_ID }}
+          private-key: ${{ secrets.INTEGRATION_TEST_PRIVATE_KEY }}
+          owner: databricks
+          repositories: databricks-driver-test
+      - name: Dispatch tests to internal repo
+        uses: peter-evans/repository-dispatch@v3
+        with:
+          token: ${{ steps.app-token.outputs.token }}
+          repository: databricks/databricks-driver-test
+          event-type: adbc-pr-test
+          client-payload: |
+            {
+              "pr_number": "${{ github.event.pull_request.number }}",
+              "commit_sha": "${{ github.event.pull_request.head.sha }}",
+              "pr_repo": "${{ github.repository }}",
+              "pr_url": "${{ github.event.pull_request.html_url }}",
+              "pr_title": "${{ github.event.pull_request.title }}",
+              "pr_author": "${{ github.event.pull_request.user.login }}"
+            }
+      - name: Comment on PR
+        uses: actions/github-script@v7
+        with:
+          script: |
+            await github.rest.issues.createComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              body: '🚀 Integration tests triggered! [View workflow run](https://github.com/databricks/databricks-driver-test/actions)'
+            });
+  # =============================================================================
+  # For Merge Queue: Check if relevant files changed
+  # =============================================================================
+  check-merge-queue-paths:
+    if: github.event_name == 'merge_group'
+    runs-on: [self-hosted, Linux, X64, peco-driver]
+    outputs:
+      should-test: ${{ steps.check-paths.outputs.should_test }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Check if relevant files changed
+        id: check-paths
+        run: |
+          # Get the base and head commits for the merge queue
+          BASE_SHA="${{ github.event.merge_group.base_sha }}"
+          HEAD_SHA="${{ github.event.merge_group.head_sha }}"
+          echo "Checking files changed between $BASE_SHA and $HEAD_SHA"
+          # Define paths to check
+          PATHS=(
+            ".github/workflows/trigger-integration-tests.yml"
+            "ci/scripts/"
+            "csharp/src/"
+            "csharp/test/"
+          )
+          # Check if any relevant files changed
+          CHANGED=false
+          for path in "${PATHS[@]}"; do
+            if git diff --name-only "$BASE_SHA" "$HEAD_SHA" | grep -q "^${path}"; then
+              echo "✅ Found changes in: $path"
+              CHANGED=true
+              break
+            fi
+          done
+          if [ "$CHANGED" = true ]; then
+            echo "should_test=true" >> $GITHUB_OUTPUT
+            echo "✅ Relevant files changed - will run tests"
+          else
+            echo "should_test=false" >> $GITHUB_OUTPUT
+            echo "⏭️ No relevant files changed - skipping tests"
+          fi
+  # =============================================================================
+  # For Merge Queue: Check if tests already passed on PR
+  # =============================================================================
+  check-previous-run:
+    needs: check-merge-queue-paths
+    if: github.event_name == 'merge_group' && needs.check-merge-queue-paths.outputs.should-test == 'true'
+    runs-on: [self-hosted, Linux, X64, peco-driver]
+    outputs:
+      already-passed: ${{ steps.check-pr.outputs.passed }}
+      pr-number: ${{ steps.extract-pr.outputs.pr_number }}
+    steps:
+      - name: Extract PR number from merge queue ref
+        id: extract-pr
+        run: |
+          # Merge queue ref format: refs/heads/gh-readonly-queue/{base_branch}/pr-{pr_number}-{sha}
+          REF="${{ github.event.merge_group.head_ref }}"
+          echo "Full ref: $REF"
+          # Extract PR number
+          if [[ $REF =~ pr-([0-9]+) ]]; then
+            PR_NUMBER="${BASH_REMATCH[1]}"
+            echo "Extracted PR number: $PR_NUMBER"
+            echo "pr_number=$PR_NUMBER" >> $GITHUB_OUTPUT
+          else
+            echo "❌ Could not extract PR number from ref"
+            echo "pr_number=" >> $GITHUB_OUTPUT
+          fi
+      - name: Generate GitHub App Token
+        if: steps.extract-pr.outputs.pr_number != ''
+        id: app-token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ secrets.INTEGRATION_TEST_APP_ID }}
+          private-key: ${{ secrets.INTEGRATION_TEST_PRIVATE_KEY }}
+          owner: adbc-drivers
+          repositories: databricks
+      - name: Check if tests passed on current PR head
+        if: steps.extract-pr.outputs.pr_number != ''
+        id: check-pr
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ steps.app-token.outputs.token }}
+          script: |
+            const prNumber = '${{ steps.extract-pr.outputs.pr_number }}';
+            if (!prNumber) {
+              console.log('No PR number found');
+              return false;
+            }
+            // Get PR details
+            const { data: pr } = await github.rest.pulls.get({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              pull_number: prNumber
+            });
+            console.log(`PR #${prNumber} head SHA: ${pr.head.sha}`);
+            // Get checks for current PR head SHA
+            const { data: checks } = await github.rest.checks.listForRef({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              ref: pr.head.sha,
+              check_name: 'Integration Tests'
+            });
+            console.log(`Found ${checks.total_count} check runs for "Integration Tests"`);
+            // Find the most recent passing check
+            const passingChecks = checks.check_runs
+              .filter(run => run.conclusion === 'success')
+              .sort((a, b) => new Date(b.completed_at) - new Date(a.completed_at));
+            if (passingChecks.length === 0) {
+              console.log('❌ No passing checks found');
+              return false;
+            }
+            const latestPassing = passingChecks[0];
+            // CRITICAL: Check if the passing test ran on the CURRENT head SHA
+            if (latestPassing.head_sha !== pr.head.sha) {
+              console.log(`⚠️ Tests passed on ${latestPassing.head_sha}, but PR head is now ${pr.head.sha}`);
+              return false;
+            }
+            console.log(`✅ Tests passed on current head ${pr.head.sha}`);
+            return true;
+  trigger-tests-merge:
+    needs: check-previous-run
+    if: needs.check-previous-run.outputs.already-passed != 'true'
+    runs-on: [self-hosted, Linux, X64, peco-driver]
+    steps:
+      - name: Generate GitHub App Token
+        id: app-token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ secrets.INTEGRATION_TEST_APP_ID }}
+          private-key: ${{ secrets.INTEGRATION_TEST_PRIVATE_KEY }}
+          owner: databricks
+          repositories: databricks-driver-test
+      - name: Dispatch tests to internal repo
+        uses: peter-evans/repository-dispatch@v3
+        with:
+          token: ${{ steps.app-token.outputs.token }}
+          repository: databricks/databricks-driver-test
+          event-type: adbc-pr-test
+          client-payload: |
+            {
+              "pr_number": "${{ needs.check-previous-run.outputs.pr-number }}",
+              "commit_sha": "${{ github.event.merge_group.head_sha }}",
+              "pr_repo": "${{ github.repository }}",
+              "pr_url": "https://github.com/${{ github.repository }}/pull/${{ needs.check-previous-run.outputs.pr-number }}",
+              "pr_title": "Merge queue validation",
+              "pr_author": "merge-queue"
+            }
+  auto-approve-no-relevant-changes:
+    needs: check-merge-queue-paths
+    if: github.event_name == 'merge_group' && needs.check-merge-queue-paths.outputs.should-test == 'false'
+    runs-on: [self-hosted, Linux, X64, peco-driver]
+    steps:
+      - name: Generate GitHub App Token
+        id: app-token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ secrets.INTEGRATION_TEST_APP_ID }}
+          private-key: ${{ secrets.INTEGRATION_TEST_PRIVATE_KEY }}
+          owner: adbc-drivers
+          repositories: databricks
+      - name: Create passing check (no relevant changes)
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ steps.app-token.outputs.token }}
+          script: |
+            await github.rest.checks.create({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              name: 'Integration Tests',
+              head_sha: '${{ github.event.merge_group.head_sha }}',
+              status: 'completed',
+              conclusion: 'success',
+              completed_at: new Date().toISOString(),
+              output: {
+                title: 'Auto-approved - no relevant changes',
+                summary: '✅ No integration test files changed. Skipping tests.'
+              }
+            });
+  auto-approve-already-passed:
+    needs: check-previous-run
+    if: needs.check-previous-run.outputs.already-passed == 'true'
+    runs-on: [self-hosted, Linux, X64, peco-driver]
+    steps:
+      - name: Generate GitHub App Token
+        id: app-token
+        uses: actions/create-github-app-token@v1
+        with:
+          app-id: ${{ secrets.INTEGRATION_TEST_APP_ID }}
+          private-key: ${{ secrets.INTEGRATION_TEST_PRIVATE_KEY }}
+          owner: adbc-drivers
+          repositories: databricks
+      - name: Create passing check (auto-approve)
+        uses: actions/github-script@v7
+        with:
+          github-token: ${{ steps.app-token.outputs.token }}
+          script: |
+            await github.rest.checks.create({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              name: 'Integration Tests',
+              head_sha: '${{ github.event.merge_group.head_sha }}',
+              status: 'completed',
+              conclusion: 'success',
+              completed_at: new Date().toISOString(),
+              output: {
+                title: 'Auto-approved for merge queue',
+                summary: '✅ Tests already passed on PR head commit. Skipping duplicate test run.'
+              }
+            });