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From "Hari Sekhon (JIRA)" <>
Subject [jira] [Created] (AMBARI-10493) Ambari 2.0 doesn't recognize Kerberos on existing cluster
Date Wed, 15 Apr 2015 08:38:58 GMT
Hari Sekhon created AMBARI-10493:

             Summary: Ambari 2.0 doesn't recognize Kerberos on existing cluster
                 Key: AMBARI-10493
             Project: Ambari
          Issue Type: Bug
          Components: ambari-server, security
    Affects Versions: 2.0.0
         Environment: HDP 2.2
            Reporter: Hari Sekhon

After upgrading to Ambari 2.0 (from 1.7) it wants to manage Kerberos but it doesn't seem to
have the capability to just use the existing keytabs as we have historically done - it wants
to redeploy them from an MIT KDC, which would obviously mess up my already deployed cluster
which is running on FreeIPA (which includes an MIT KDC in each IPA server but isn't supported
to be managed via kadmin interface).

There doesn't seem to be an obvious way of getting Ambari to re-enable or recognize that kerberos
is deployed and the services are kerberized. The current configurations do seem to still be
intact with the kerberos config settings but Ambari does not recognize that Kerberos is deployed
and I'm concerned this is going to eventually mess up my existing cluster or deploy new services
without Kerberos.

Hari Sekhon

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