RuiLi8080 commented on a change in pull request #3243: [STORM-3616] add 
optional flag to fail upload-credentials cmd if no creds were uploaded
URL: https://github.com/apache/storm/pull/3243#discussion_r403064825
 
 

 ##########
 File path: bin/storm.py
 ##########
 @@ -541,6 +541,13 @@ def initialize_upload_credentials_subcommand(subparsers):
         help="""name of the owner of the topology (security precaution)"""
     )
 
+    # If set, this flag will become true meaning that user expects non-empty 
creds to be uploaded.
+    # Command exits with non-zero code if uploaded creds collection is empty.
+    sub_parser.add_argument(
+        "-e", "--exception-when-empty", action='store_true',
+        help="""whether to throw exception if there are no credentials 
uploaded, default to be false"""
 
 Review comment:
   Fixed
   

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