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Posted to dev@ambari.apache.org by "Robert Levas (JIRA)" <ji...@apache.org> on 2014/11/30 12:53:12 UTC
[jira] [Created] (AMBARI-8487) Oozie service components should indicate security state

Robert Levas created AMBARI-8487:
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             Summary: Oozie service components should indicate security state
                 Key: AMBARI-8487
                 URL: https://issues.apache.org/jira/browse/AMBARI-8487
             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 Oozie service components should indicate security state when queried by Ambari Agent via STATUS_COMMAND.  Each component should determine it's state as follows:

h3. OOZIE_SERVER
h4. Indicators
* Command JSON
** config\['configurations']\['cluster-env']\['security_enabled'] 
*** = “true”
* Configuration File: params.conf_dir + ‘/oozie-site.xml’
** oozie.service.AuthorizationService.security.enabled
*** = “true”
*** required
** oozie.service.HadoopAccessorService.kerberos.enabled
*** = “true”
*** required
** local.realm
*** not empty
*** required
** oozie.authentication.type
*** = “kerberos”
*** required
** oozie.authentication.kerberos.principal
*** not empty
*** required
** oozie.authentication.kerberos.keytab
*** not empty
*** path exists and is readable
*** required
** oozie.authentication.kerberos.name.rules
*** not empty
*** required
** oozie.service.HadoopAccessorService.keytab.file
*** not empty
*** path exists and is readable
*** required
** oozie.service.HadoopAccessorService.kerberos.principal
*** not empty
*** required

h4. Pseudocode
{code}
if indicators imply security is on and validate
    if kinit(oozie principal) && kinit(HadoopAccessorService principal)    
    succeeds
        state = SECURED_KERBEROS
    else
        state = ERROR 
else
    state = UNSECURED
{code}

h3. OOZIE_CLIENT
h4. Indicators
* Command JSON
** config\['configurations']\['cluster-env']\['security_enabled'] 
*** = “true”
* Configuration File: params.conf_dir + ‘/oozie-site.xml’
** oozie.service.AuthorizationService.security.enabled
*** = “true”
*** required
** oozie.service.HadoopAccessorService.kerberos.enabled
*** = “true”
*** required
** local.realm
*** not empty
*** required
** oozie.authentication.type
*** = “kerberos”
*** required
** oozie.authentication.kerberos.principal
*** not empty
*** required
** oozie.authentication.kerberos.keytab
*** not empty
*** path exists and is readable
*** required
** oozie.authentication.kerberos.name.rules
*** not empty
*** required
** oozie.service.HadoopAccessorService.keytab.file
*** not empty
*** path exists and is readable
*** required
** oozie.service.HadoopAccessorService.kerberos.principal
*** not empty
*** required

h4. Pseudocode
{code}
if indicators imply security is on and validate
    if kinit(oozie principal) && kinit(HadoopAccessorService 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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