[HDFS-15353] Use sudo instead of su to allow nologin user for secure DataNode

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.4.0
• Component/s: datanode, security
• Hadoop Flags: Reviewed
• Assignee: Kei Kori
• Reporter: Akira Ajisaka
• Created: 13/May/20 06:25
• Updated: 21/May/20 01:24
• Resolved: 21/May/20 01:08

Description

When launching secure DataNode, su command fails in hadoop-functions.sh if the login shell of the secure user (hdfs) is /sbin/nologin. Can we use sudo command instead of su to fix this problem?

Issue Links

• links to: GitHub Pull Request #2018