[GitHub] [trafficserver] brbzull0 commented on pull request #9610: traffic_ctl: plugin msg command, print out the response from server.

["brbzull0 (via GitHub)" <gi...@apache.org>]

brbzull0 commented on PR #9610:
URL: https://github.com/apache/trafficserver/pull/9610#issuecomment-1516628329

   > I read through the code. It seems the only time the response isn't empty is if there was a parsing error. I'd be cool if there was a way to get data out of a plugin!
   
   The server can respond with an error like:
   ```
   $ traffic_ctl plugin msg plugin_xyz dump -f rpc
   {"jsonrpc": "2.0", "error": {"code": 10, "message": "Unauthorized action", "data": [{"code": 2, "message": "Denied privileged API access for uid=105106 gid=100"}]}, "id": "5a30ae5f-03f4-4d44-ba33-2f51e8a77f82"}
   ```
   
   ```
   Server Error found:
   [10] Unauthorized action
   - [2] Denied privileged API access for uid=1001 gid=1001
   ```
   
   > I'd be cool if there was a way to get data out of a plugin!
   
   You can do this already. A JSON-RPC handler can be located inside a plugin and respond with data to the outside.
   


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