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Subject [GitHub] [openwhisk] neerajmangal opened a new issue #4718: Recording metrics for webaction response statusCode in user-events service.
Date Fri, 08 Nov 2019 04:24:50 GMT
neerajmangal opened a new issue #4718: Recording metrics for webaction response statusCode
in user-events service. 
URL: https://github.com/apache/openwhisk/issues/4718
 
 
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   A developer can specify the status code using `statusCode` in response, in case of web
actions. 
   The top-level activation response captures the activation `statusCode` as 0,1,2, and 3
based on `success`, `application error`, `action developer error` and `whisk internal error`.

   
   If action developer sending a `statusCode` explicitly in response, it will be stored in
activation's response result as `statusCode` (like below as HTTP status code `401` ) 
   
   ```
   "response": {
           "status": "application error",
           "statusCode": 0,
           "success": false,
           "result": {
               "error": {
                   "body": "Authentication credentials are invalid.",
                   "statusCode": 401
               }
           }
       }
   ```
   
   Capturing metrics for the statusCode returned by the action developer in user-events can
give insights like
   "How many requests failed with which error code".  
   
   Conditions - 
   
   As returning a proper status code, is the responsibility of the developer, if a developer
does not specify a return `statusCode` in response the metric will not be present/recoded.

   
   Please let me know your thoughts. 
   
   PS: - While doing some tests, I see top-level `statusCode` always as 0 in case of all error
scenarios. 
   

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