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From "Andrew Onischuk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-11754) YARN local usercache is chown'd as user YARN when cluster is in secure mode
Date Sat, 06 Jun 2015 13:46:00 GMT
Andrew Onischuk created AMBARI-11754:
----------------------------------------

             Summary: YARN local usercache is chown'd as user YARN when cluster is in secure
mode
                 Key: AMBARI-11754
                 URL: https://issues.apache.org/jira/browse/AMBARI-11754
             Project: Ambari
          Issue Type: Bug
            Reporter: Andrew Onischuk
            Assignee: Andrew Onischuk
             Fix For: 2.1.0


PROBLEM: When restarting the NodeManager via Ambari, the Ambari agent conducts
a recursive chown on the YARN local cache configuration directory.

Something like this: chown -R yarn:hadoop /hadoop/yarn/local

I have seen this in Ambari 2.0 and Ambari 2.0.1 - where 2.0.1 was upgraded
from 2.0

BUSINESS IMPACT: The problem is that user directories exist under
/hadoop/yarn/local/usercache/<username> and subsequent containers will not
have rights to the user's directory after the NM restart, in a secure cluster.

STEPS TO REPRODUCE: N/A

SUPPORT ANALYSIS: As seen in the Ambari logs for starting the NM:

    
    
    u"Directory['/hadoop/yarn/local']" {'group': 'hadoop', 'recursive': True, 
    'cd_access': 'a', 'ignore_failures': True, 'mode': 0775, 'owner': 'yarn┬╣} 
    





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