Merge pull request #10873 from yongni/master

Added verbose option to run_interop_test to ease tracing the commands…

tools/run_tests/python_utils/jobset.py

@@ -208,6 +208,11 @@ class JobSpec(object):
   def __repr__(self):
     return 'JobSpec(shortname=%s, cmdline=%s)' % (self.shortname, self.cmdline)
 
+  def __str__(self):
+    return '%s: %s %s' % (self.shortname,
+                          ' '.join('%s=%s' % kv for kv in self.environ.items()),
+                          ' '.join(self.cmdline))
+
 
 class JobResult(object):
   def __init__(self):

tools/run_tests/run_interop_tests.py

@@ -888,6 +888,10 @@ argp.add_argument('-t', '--travis',
                   default=False,
                   action='store_const',
                   const=True)
+argp.add_argument('-v', '--verbose',
+                  default=False,
+                  action='store_const',
+                  const=True)
 argp.add_argument('--use_docker',
                   default=False,
                   action='store_const',
@@ -989,6 +993,9 @@ if args.use_docker:
 
   if build_jobs:
     jobset.message('START', 'Building interop docker images.', do_newline=True)
+    if args.verbose:
+      print('Jobs to run: \n%s\n' % '\n'.join(str(j) for j in build_jobs))
+
     num_failures, _ = jobset.run(
         build_jobs, newline_on_success=True, maxjobs=args.jobs)
     if num_failures == 0:
@@ -1164,6 +1171,9 @@ try:
   if args.manual_run:
     print('All tests will skipped --manual_run option is active.')
 
+  if args.verbose:
+    print('Jobs to run: \n%s\n' % '\n'.join(str(job) for job in jobs))
+
   num_failures, resultset = jobset.run(jobs, newline_on_success=True,
                                        maxjobs=args.jobs,
                                        skip_jobs=args.manual_run)