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From "Mithun Radhakrishnan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-17489) Separate client-facing and server-side Kerberos principals, to support HA
Date Tue, 12 Sep 2017 18:41:01 GMT

     [ https://issues.apache.org/jira/browse/HIVE-17489?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mithun Radhakrishnan updated HIVE-17489:
----------------------------------------
    Attachment:     (was: HIVE-17489.1.patch)

> Separate client-facing and server-side Kerberos principals, to support HA
> -------------------------------------------------------------------------
>
>                 Key: HIVE-17489
>                 URL: https://issues.apache.org/jira/browse/HIVE-17489
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>            Reporter: Mithun Radhakrishnan
>            Assignee: Thiruvel Thirumoolan
>         Attachments: HIVE-17489.2-branch-2.patch, HIVE-17489.2.patch
>
>
> On deployments of the Hive metastore where a farm of servers is fronted by a VIP, the
hostname of the VIP (e.g. {{mycluster-hcat.blue.myth.net}}) will differ from the actual boxen
in the farm (.e.g {{mycluster-hcat-\[0..3\].blue.myth.net}}).
> Such a deployment messes up Kerberos auth, with principals like {{hcat/mycluster-hcat.blue.myth.net@GRID.MYTH.NET}}.
Host-based checks will disallow servers behind the VIP from using the VIP's hostname in its
principal when accessing, say, HDFS.
> The solution would be to decouple the server-side principal (used to access other services
like HDFS as a client) from the client-facing principal (used from Hive-client, BeeLine, etc.).



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