[jira] [Resolved] (IGNITE-6747) Use _HOST instead of FDQN when configuring principal for IgfsSecondaryFileSystem with kerberos enable

["Vladimir Ozerov (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-6747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov resolved IGNITE-6747.
-------------------------------------
    Resolution: Won't Fix

Not relevant at the moment.

> Use _HOST instead of FDQN when configuring principal for IgfsSecondaryFileSystem with kerberos enable
> -----------------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-6747
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6747
>             Project: Ignite
>          Issue Type: Improvement
>          Components: hadoop
>    Affects Versions: 2.2
>            Reporter: Reid Chan
>            Priority: Major
>
> So far, igfs can access to kerberized hdfs by providing {{keyTab}} and {{keyTabPrincipal}}:
> {code}
> <property name="keyTab" value="/path/to/keytab"/>
> <property name="keyTabPrincipal" value="ignite/fully.qualified.domain.name@REALM"/>
> {code}
> But it becomes nightmare when number of grid nodes is more than hundreds or even thousands which is in my case, since i have to configure FDQN for each node.
> Hadoop's package already provides an easy way which uses "_HOST" instead of FDQN, i think it's better to use it:
> {code}
> <property name="keyTabPrincipal" value="ignite/_HOST@REALM"/>
> {code}
> and the "_HOST" will be replaced with respective machine's host name.
> Suggestions are welcomed.



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