feat(report): Add handling for cases with no build results in final report

Author: hunsche

infra/build/functions/build_lib.py

@@ -299,7 +299,7 @@ def get_signed_url(path, method='PUT', content_type=''):
   client_id, signature = _sign_blob(blob)
   return (f'https://storage.googleapis.com/{path.netloc}/{blob_path}'
           f'?GoogleAccessId={client_id}&Expires={int(time.time() + 3600)}'
-          f'&Signature={urllib.parse.quote_plus(signature)}')
+          f'&Signature={urlparse.quote_plus(signature)}')
 
 
 def _normalized_name(name):

infra/build/functions/report_generator.py

@@ -117,6 +117,7 @@ def main():
   """Main function to generate report and determine pipeline status."""
   all_results = {}
   any_failures = False
+  any_results_found = False
 
   print('Generating final build report...')
 
@@ -129,9 +130,16 @@ def main():
     with open(filename, 'r') as f:
       data = json.load(f)
       all_results[version] = data
+      any_results_found = True
       if data['failed'] > 0:
         any_failures = True
 
+  if not any_results_found:
+    error_lines = ['All build versions failed to produce results.']
+    _print_box('FINAL BUILD REPORT', error_lines)
+    print('\nPipeline finished with failures.')
+    sys.exit(1)
+
   generate_comparison_table(all_results)
   generate_final_summary(all_results)