[HDFS-2904] HA: Client support for getting delegation tokens to an HA cluster

• Type: Sub-task
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: HA branch (HDFS-1623)
• Fix Version/s: HA branch (HDFS-1623)
• Component/s: ha, hdfs-client, namenode, security
• Target Version/s: HA branch (HDFS-1623)
• Hadoop Flags: Reviewed
• Assignee: Todd Lipcon Assign to me
• Reporter: Todd Lipcon
• Created: 06/Feb/12 21:14
• Updated: 25/Feb/12 12:53
• Resolved: 25/Feb/12 00:03

Description

Currently we have server-side support for delegation tokens in HA, and some tests to verify it, but the client throws NPEs when trying to fetch a DT. This is because the cluster doesn't have a single hostname, but instead a logical nameservice name.

Issue Links

• relates to: HDFS-2839 HA: Remove need for client configuration of nameservice ID