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https://issues.apache.org/jira/browse/KUDU-2781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Serbin updated KUDU-2781:
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Component/s: master
> Hardening for location awareness command-line flag
> --------------------------------------------------
>
> Key: KUDU-2781
> URL: https://issues.apache.org/jira/browse/KUDU-2781
> Project: Kudu
> Issue Type: Improvement
> Components: master
> Reporter: Alexey Serbin
> Assignee: Alexey Serbin
> Priority: Major
>
> Add few verification steps related to the location assignment:
> * the location assignment executable is present and executable
> * the location assignment executable conforms with the expected interface: it
> accepts one argument (IP address or DNS name) and outputs the assigned
> location into the stdout
> * the same DNS name/IP address assigned the same location
> * the result location output into the stdout conforms with the format for
> locations in Kudu
> It's possible to implement these in {{kudu-master}} using group flag
> validators: see the {{GROUP_FLAG_VALIDATOR}} macro.
> Performing few verification steps mentioned above should help to avoid
> situations when Kudu tablet servers cannot be registered with Kudu master if
> the location assignment executable path is misspelled or the executable
> behaves not as expected.
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