Istvan Fajth created HDFS-14517:
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Summary: Display bug in permissions when ACL mask is defined
Key: HDFS-14517
URL: https://issues.apache.org/jira/browse/HDFS-14517
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Environment: Tested on latest CDH integration, and CDH5 as well with
the same result.
Reporter: Istvan Fajth
When ACLs are enabled on a folder, the following sequence of commands provide
the following result:
{{$ hdfs dfs -mkdir /tmp/acl
$ hdfs dfs -ls /tmp/acl
$ hdfs dfs -ls /tmp
Found 1 items
drwxr-xr-x - hdfs supergroup 0 2019-05-28 11:48 /tmp/acl
$ hdfs dfs -getfacl /tmp/acl
# file: /tmp/acl
# owner: hdfs
# group: supergroup
user::rwx
group::r-x
other::r-x
$ hdfs dfs -setfacl -m mask::rwx /tmp/acl
$ hdfs dfs -ls /tmp
Found 1 items
drwxrwxr-x+ - hdfs supergroup 0 2019-05-28 11:48 /tmp/acl
drwx-wx-wx - hive supergroup 0 2019-05-27 23:48 /tmp/hive
drwxrwxrwt - mapred hadoop 0 2019-05-28 01:32 /tmp/logs
$ hdfs dfs -setfacl -m mask::r-- /tmp/acl
$ hdfs dfs -ls /tmp
Found 1 items
drwxr--r-x+ - hdfs supergroup 0 2019-05-28 11:48 /tmp/acl
$ hdfs dfs -setfacl -m mask::r-x /tmp/acl
$ hdfs dfs -ls /tmp
Found 1 items
drwxr-xr-x+ - hdfs supergroup 0 2019-05-28 11:48 /tmp/acl
$ hdfs dfs -getfacl /tmp/acl
# file: /tmp/acl
# owner: hdfs
# group: supergroup
user::rwx
group::r-x
mask::r-x
other::r-x}}
So the group permission representation is changing with the defined mask ACL
instead of the group ACL or, maybe even better, the effective group ACL.
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