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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-8795) MapReduce service components should indicate security state
Date Tue, 06 Jan 2015 20:00:35 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-8795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14266657#comment-14266657
] 

Hudson commented on AMBARI-8795:
--------------------------------

SUCCESS: Integrated in Ambari-trunk-Commit-docker #674 (See [https://builds.apache.org/job/Ambari-trunk-Commit-docker/674/])
AMBARI-8795. MapReduce service components should indicate security state (rlevas) (rlevas:
http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=25726ae176919208a4290f7901d76c2b43720657)
* ambari-server/src/main/resources/stacks/HDP/2.0.6/services/YARN/package/scripts/status_params.py
* ambari-server/src/main/resources/stacks/HDP/2.0.6/services/YARN/package/scripts/historyserver.py
* ambari-server/src/test/python/stacks/2.0.6/YARN/test_historyserver.py


> MapReduce service components should indicate security state
> -----------------------------------------------------------
>
>                 Key: AMBARI-8795
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8795
>             Project: Ambari
>          Issue Type: Improvement
>          Components: ambari-server, stacks
>    Affects Versions: 2.0.0
>            Reporter: Robert Levas
>            Assignee: Robert Levas
>              Labels: kerberos, security, stack
>             Fix For: 2.0.0
>
>         Attachments: AMBARI-8795_01.patch
>
>
> The MAPREDUCE2 service components should indicate security state when queried by Ambari
Agent via STATUS_COMMAND.  Each component should determine it's state as follows:
> h3. HISTORYSERVER
> h4. Indicators
> * Command JSON
> ** config\['configurations']\['cluster-env']\['security_enabled'] 
> *** = “true”
> * Configuration File: params.hive_client_conf_dir + ‘mapred-site.xml’
> ** mapreduce.jobhistory.principal
> *** not empty
> *** required
> ** mapreduce.jobhistory.keytab
> *** not empty
> *** path exists and is readable
> *** required
> ** mapreduce.jobhistory.webapp.spnego-principal
> *** not empty
> *** required
> ** mapreduce.jobhistory.webapp.spnego-keytab-file
> *** not empty
> *** path exists and is readable
> *** required
> h4. Pseudocode
> {code}
> if indicators imply security is on and validate
>     if kinit(mapreduce.jobhistory.principal) succeeds
>         state = SECURED_KERBEROS
>     else
>         state = ERROR 
> else
>     state = UNSECURED
> {code}
> _*Note*_: Due to the _cost_ of calling {{kinit}} results should be cached for a period
of time before retrying.  This may be an issue depending on the frequency of the heartbeat
timeout.



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