[GitHub] [openwhisk] JiniousChoi opened a new issue #4764: How to invoke a web action for .json context extension via wsk command?

[GitBox <gi...@apache.org>]

JiniousChoi opened a new issue #4764: How to invoke a web action for .json context extension via wsk command?
URL: https://github.com/apache/openwhisk/issues/4764
 
 
   #4712  Environment details:
   
   local deployment
   
   ## Steps to reproduce the issue:
   
   1.   make a simple raw HTTP web action in python
   ```
   def main(args):
       val = args['__ow_headers']
       print(args)
       return { "response": args,
                "val": val }
   ```
   
   2. try to invoke it with wsk command
   ```
   $ wsk action invoke -r cs/jin-test
   {
       "error": "The action did not return a dictionary."
   }
   ```
   
   3.  check out the activation log
   ```
   wsk activation get --last
       "logs": [
           "2019-12-06T04:11:54.832861208Z stderr: Traceback (most recent call last):",
           "2019-12-06T04:11:54.832914474Z stderr: File \"pythonrunner.py\", line 88, in run",
           "2019-12-06T04:11:54.832926486Z stderr: exec('fun = %s(param)' % self.mainFn, self.global_context)",
           "2019-12-06T04:11:54.832934019Z stderr: File \"<string>\", line 1, in <module>",
           "2019-12-06T04:11:54.832941Z    stderr: File \"__main__.py\", line 3, in main",
           "2019-12-06T04:11:54.833038393Z stderr: KeyError: '__ow_headers'"
       ],
   ```
   
   4. But it works with curl when invoked with .json context extension
   ```
   curl https://frisb.kakao.com/api/v1/web/jin.c/cs/jin-test.json
   {
     "response": {
       "__ow_body": "",
       "__ow_headers": {
         "accept": "*/*",
         "host": "controllers",
         "user-agent": "curl/7.54.0",
         "x-request-id": "e7e3d9a52c099c6a6e46bce11207d5a4"
       },
       "__ow_method": "get",
       "__ow_path": "",
       "__ow_query": ""
     },
     "val": {
       "accept": "*/*",
       "host": "controllers",
       "user-agent": "curl/7.54.0",
       "x-request-id": "e7e3d9a52c099c6a6e46bce11207d5a4"
     }
   ```
   
   ## What I want
   
   I'd love to know if there is a way for the wsk command to invoke a web action with context extensions. I learned that the default is .http in the docs and I wonder if there is no way for wsk to invoke an action other context extensions but .http.
   
   

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