Aleksandr Kovalenko created AMBARI-3592:
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Summary: Reassign Master(secure cluster): Display principal and
keytab path creation as a required manual step.
Key: AMBARI-3592
URL: https://issues.apache.org/jira/browse/AMBARI-3592
Project: Ambari
Issue Type: Task
Components: client
Affects Versions: 1.4.2
Reporter: Aleksandr Kovalenko
Assignee: Aleksandr Kovalenko
Fix For: 1.4.2
If the cluster is detected to be a kerberos secure cluster, we should add an
informative message about creating appropriate keytab. There is already a step
in the wizard that displays manual steps for HDFS components reassignment. We
can add this message over there. For ResourceManager reassignment, we will
require a manual step page to display this information.
Cluster security status can be retrieved from hadoop.security.authentication
property in core-site.xml and if value found is kerberos, add appropriate
message. Example:
*For NameNode reassignment:*
Note:
# Keytab file <dfs.namenode.keytab.file value> containing principal
<dfs.namenode.kerberos.principal value with _HOST substituted with real target
host hostname> should exist on <target host hostname>.
# Keytab file <dfs.web.authentication.kerberos.keytab value> containing
principal <dfs.web.authentication.kerberos.principal value with _HOST in the
value substituted with real target host hostname > should exist on <target host
hostname>
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