Merge pull request #9174 from jtattermusch/matrix_exclude_filters

Support --exclude in run_tests_matrix.py

tools/run_tests/run_tests_matrix.py

@@ -264,6 +264,11 @@ if __name__ == "__main__":
                     nargs='+',
                     default=[],
                     help='Filter targets to run by label with AND semantics.')
+  argp.add_argument('--exclude',
+                    choices=_allowed_labels(),
+                    nargs='+',
+                    default=[],
+                    help='Exclude targets with any of given labels.')
   argp.add_argument('--build_only',
                     default=False,
                     action='store_const',
@@ -310,6 +315,7 @@ if __name__ == "__main__":
   jobs = []
   for job in all_jobs:
     if not args.filter or all(filter in job.labels for filter in args.filter):
+      if not any(exclude_label in job.labels for exclude_label in args.exclude):
         jobs.append(job)
 
   if not jobs: