[HDFS-6498] Support squash and range in NFS static user id mapping

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: nfs
• Assignee: Unassigned
• Reporter: Brandon Li
• Created: 06/Jun/14 21:34
• Updated: 10/Jun/14 18:10

Description

HDFS-6435 adds static user group name id mapping. The mapping is a one to one mapping.

What makes this feature easy to use is to support squash and range based mapping as that in traditional NFS configuration (e.g., http://manpages.ubuntu.com/manpages/hardy/man5/exports.5.html)

# Mapping for client foobar:
#    remote     local
uid  0-99       -       # squash these
uid  100-500    1000    # map 100-500 to 1000-1500
gid  0-49       -       # squash these
gid  50-100     700     # map 50-100 to 700-750

Issue Links

• relates to: HDFS-6435 Add support for specifying a static uid/gid mapping for the NFS gateway
• relates to: HDFS-6488 Support HDFS superuser in NFSv3 gateway