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https://issues.apache.org/jira/browse/SLIDER-1027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15058666#comment-15058666
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Steve Loughran commented on SLIDER-1027:
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this could go on forever. Add the basics for now..
Also, UGI could interfere with the process. The assumption here is that unless
a keytab is set, the user credentials will be picked up
> add a kdiag command for kerberos diagnostics
> --------------------------------------------
>
> Key: SLIDER-1027
> URL: https://issues.apache.org/jira/browse/SLIDER-1027
> Project: Slider
> Issue Type: New Feature
> Components: client
> Affects Versions: Slider 0.90
> Environment: Kerberos
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Fix For: Slider 0.90
>
>
> Trying to debug kerberos problems is painful exercise
> Add a kerberos diagnostics command, `kdiag` to aid this; output to stdout or
> to a named file.
> add other args as appropriate, etg
> * `--required` - fail with exit code if no login
> * `--zookeeper` check zk details
> * `--hdfs` check HDFS
> * `--yarn` check yarn login
> * --keytab + keytab name`: check for accessibility, contents
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