Robert Levas created AMBARI-8797:
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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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