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From "Robert Levas (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-8797) Zookeeper service components should indicate security state
Date Thu, 18 Dec 2014 16:32:13 GMT
Robert Levas created AMBARI-8797:
------------------------------------

             Summary: Zookeeper service components should indicate security state
                 Key: AMBARI-8797
                 URL: https://issues.apache.org/jira/browse/AMBARI-8797
             Project: Ambari
          Issue Type: Improvement
          Components: ambari-server, stacks
    Affects Versions: 2.0.0
            Reporter: Robert Levas
            Assignee: Robert Levas
             Fix For: 2.0.0


The Zookeeper service components should indicate security state when queried by Ambari Agent
via STATUS_COMMAND.  Each component should determine it's state as follows:

h2. ZOOKEEPER_SERVER
h3. Indicators
* Command JSON
** config\['configurations']\['cluster-env']\['security_enabled'] 
*** = “true”
* Configuration File: params.config_dir + '/zookeeper-env.xml'
** zookeeper_keytab_path
*** not empty
*** path exists and is readable
*** required
** zookeeper_principal_name
*** not empty
*** required

h3. Pseudocode
{code}
if indicators imply security is on and validate
    if kinit(zookeeper_server 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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