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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-18387) [Thrift] Make principal configurable in DemoClient.java
Date Fri, 04 Aug 2017 14:58:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-18387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16114467#comment-16114467

Sean Busbey commented on HBASE-18387:

-            System.out.println("Usage: DemoClient host port [secure=false]");
+            System.out.println("Usage: DemoClient host port [secure=false] [user=hbase]");

Please update the instructions in {{hbase-examples/README.txt}} to explain this further. We
should specify that it's the principal of the server, and not for example a user for the client.
Also that it's only needed when talking to a secure cluster. Thinking through it, I think
that means "server-principal" would be better in the CLI help than "user".

> [Thrift] Make principal configurable in DemoClient.java
> -------------------------------------------------------
>                 Key: HBASE-18387
>                 URL: https://issues.apache.org/jira/browse/HBASE-18387
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Lars George
>            Assignee: Tamas Penzes
>            Priority: Minor
>              Labels: beginner
>         Attachments: HBASE-18387.master.001.patch
> In the Thrift1 demo client we have this code:
> {code}
> transport = new TSaslClientTransport("GSSAPI", null,
>   "hbase", // Thrift server user name, should be an authorized proxy user.
>   host, // Thrift server domain
>   saslProperties, null, transport);
> {code}
> This will only work when the Thrift server is started with the {{hbase}} principal. Often
this may deviate, for example I am using {{hbase-thrift}} to separate the names from those
of backend servers. 
> What we need is either an additional command line option to specify the name, or a property
that can be set with -D and can be passed at runtime. I prefer the former, as the latter is
making this a little convoluted.

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