[jira] [Created] (HAWQ-1469) Don't expose RPS warning messages to command line

["Lin Wen (JIRA)" <ji...@apache.org>]

Lin Wen created HAWQ-1469:
-----------------------------

             Summary: Don't expose RPS warning messages to command line
                 Key: HAWQ-1469
                 URL: https://issues.apache.org/jira/browse/HAWQ-1469
             Project: Apache HAWQ
          Issue Type: Sub-task
          Components: Security
            Reporter: Lin Wen
            Assignee: Ed Espino


RPS service address exposing to end-user is not secure, and we should not expose it out.

**Case 1: When master RPS is down, changing to standby RPS**
Current behavior
```
postgres=# select * from a;
WARNING:  ranger plugin service from http://test1:8432/rps is unavailable : Couldn't connect to server, try another http://test5:8432/rps
ERROR:  permission denied for relation(s): public.a
``` 
Warning should be removed.
Expected
```
postgres=# select * from a;
ERROR:  permission denied for relation(s): public.a
```

**Case 2: When both RPS are down, should only print that RPS is unavailable.**
Current Behavior:
```
postgres=# select * from a;
WARNING:  ranger plugin service from http://test5:8432/rps is unavailable : Couldn't connect to server, try another http://test1:8432/rps
ERROR:  ranger plugin service from http://test1:8432/rps is unavailable : Couldn't connect to server. (rangerrest.c:463)
```
Expected
```
postgres=# select * from a;
ERROR:  ranger plugin service is unavailable : Couldn't connect to server. (rangerrest.c:463)
```

The warning message should be printed in cvs log file.



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