update workflow details

Author: ezhang6811

.github/workflows/nightly-build.yml

@@ -1,4 +1,5 @@
 name: Nightly Upstream Snapshot Build
+description: This workflow checks for new upstream versions of OpenTelemetry dependencies, creates a PR to update them, and builds and tests the new changes.
 
 on:
   schedule:
@@ -22,6 +23,8 @@ jobs:
     runs-on: ubuntu-latest
     outputs:
       has_changes: ${{ steps.check_changes.outputs.has_changes }}
+      otel_java_instrumentation_version: ${{ steps.update_deps.outputs.otel_java_instrumentation_version }}
+      otel_java_contrib_version: ${{ steps.update_deps.outputs.otel_java_contrib_version }}
       breaking_changes_info: ${{ steps.breaking_changes.outputs.breaking_changes_info }}
 
     steps:
@@ -59,6 +62,7 @@ jobs:
       run: python3 scripts/find_breaking_changes.py
 
     - name: Update dependencies
+      id: update_deps
       run: python3 scripts/update_dependencies.py
 
     - name: Check for changes and commit
@@ -101,11 +105,17 @@ jobs:
         BUILD_EMOJI="${{ needs.build-and-test.result == 'success' && '✅' || '❌' }}"
         BUILD_LINK="https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"
         
-        PR_BODY="Automated update of OpenTelemetry dependencies to their latest available versions.
+        PR_BODY="Automated update of OpenTelemetry dependencies.
 
         **Build Status:** ${BUILD_EMOJI} [${BUILD_STATUS}](${BUILD_LINK})
 
+        **Updated versions:**
+        - [OpenTelemetry Java Instrumentation](https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/tag/v${{ needs.update-dependencies.outputs.otel_java_instrumentation_version }}): ${{ needs.update-dependencies.outputs.otel_java_instrumentation_version }}
+        - [OpenTelemetry Java Contrib](https://github.com/open-telemetry/opentelemetry-java-contrib/releases/tag/v${{ needs.update-dependencies.outputs.otel_java_contrib_version }}): ${{ needs.update-dependencies.outputs.otel_java_contrib_version }}
+
         **Upstream releases with breaking changes:**
+        Note: the mechanism to detect upstream breaking changes is not perfect. Be sure to check all new releases and understand if any additional changes need to be addressed.
+
         ${{ needs.update-dependencies.outputs.breaking_changes_info }}"
         
         if gh pr view "$BRANCH_NAME" --json state --jq '.state' 2>/dev/null | grep -q "OPEN"; then

scripts/update_dependencies.py

@@ -164,6 +164,19 @@ def update_gradle_file(file_path):
         sys.exit(1)
 
 def main():
+    # Get versions for GitHub outputs
+    latest_instrumentation_version = get_latest_instrumentation_version()
+    latest_contrib_version = get_latest_contrib_version()
+    
+    # Set GitHub outputs
+    import os
+    if os.environ.get('GITHUB_OUTPUT'):
+        with open(os.environ['GITHUB_OUTPUT'], 'a') as f:
+            if latest_instrumentation_version:
+                f.write(f"otel_java_instrumentation_version={latest_instrumentation_version}\n")
+            if latest_contrib_version:
+                f.write(f"otel_java_contrib_version={latest_contrib_version}\n")
+    
     gradle_file_path = 'dependencyManagement/build.gradle.kts'
 
     updated = update_gradle_file(gradle_file_path)