apache/ambari — pull request #12 by roengram (2014-10-13 02:06:47+00:00)
Title: AMBARI-7753: DataNode decommision error in secured cluster

Ambari-agent tries to perform HDFS refresh as DataNode principal. This should be done as NameNode principal.

Patch information:
params.py: add nn_kinit_cmd
hdfs_namenode.py: decommission using nn_kinit_cmd