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From "Robert Levas (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-9037) Storm service components should indicate security state
Date Thu, 08 Jan 2015 03:17:35 GMT
Robert Levas created AMBARI-9037:
------------------------------------

             Summary: Storm service components should indicate security state
                 Key: AMBARI-9037
                 URL: https://issues.apache.org/jira/browse/AMBARI-9037
             Project: Ambari
          Issue Type: Task
          Components: ambari-server, stacks
    Affects Versions: 2.0.0
            Reporter: Robert Levas
            Assignee: Robert Levas
             Fix For: 2.0.0


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

h3. DRPC_SERVER
h4. Indicators
* Command JSON
** config\['configurations']\['cluster-env']\['security_enabled'] 
*** = “true”
* Configuration File: params.conf_dir + ‘/storm-jaas.conf’
** StormServer/keyTab
*** not empty
*** path exists and is readable
*** required
** StormServer/principal
*** not empty
*** required

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

h3. STORM_UI_SERVER
h4. Indicators
* Command JSON
** config\['configurations']\['cluster-env']\['security_enabled'] 
*** = “true”
* Configuration File: params.conf_dir + ‘/storm-jaas.conf’
** StormClient/keyTab
*** not empty
*** path exists and is readable
*** required
** StormClient/principal
*** not empty
*** required

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

h3. NIMBUS
h4. Indicators
* Command JSON
** config\['configurations']\['cluster-env']\['security_enabled'] 
*** = “true”
* Configuration File: params.conf_dir + ‘/storm-jaas.conf’
** StormServer/keyTab
*** not empty
*** path exists and is readable
*** required
** StormServer/principal
*** not empty
*** required

h4. Pseudocode
{code}
if indicators imply security is on and validate
    if kinit(nimbus master 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.
_*Note*_: {{kinit}} calls should specify a _temporary_ cache file which should be destroyed
after command is executed - BUG-29477

_*Note*_: There may be additional work related to _REST gateway impersonation_



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