Merge pull request #1115 from andrewsg/tasks-update

Add required flag on certain arguments to command-line tools

Author: andrewsg

samples/appengine/flexible/tasks/create_app_engine_queue_task.py

@@ -80,17 +80,20 @@ def create_task(project, queue, location, payload=None, in_seconds=None):
 
     parser.add_argument(
         '--project',
-        help='Project of the queue to add the task to.'
+        help='Project of the queue to add the task to.',
+        required=True,
     )
 
     parser.add_argument(
         '--queue',
-        help='ID (short name) of the queue to add the task to.'
+        help='ID (short name) of the queue to add the task to.',
+        required=True,
     )
 
     parser.add_argument(
         '--location',
-        help='Location of the queue to add the task to.'
+        help='Location of the queue to add the task to.',
+        required=True,
     )
 
     parser.add_argument(