[jira] [Updated] (HDFS-10488) WebHDFS CREATE and MKDIRS does not follow same rules as DFS CLI when creating files/directories without specifying permissions

["Wellington Chevreuil (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-10488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wellington Chevreuil updated HDFS-10488:
----------------------------------------
    Attachment: HDFS-10488.patch

Attaching initial patch proposal to make these WebHDFS methods consistent with dfs CLI. Had also added test cases for checking permissions when calling CREATE and MDKIR methods.

> WebHDFS CREATE and MKDIRS does not follow same rules as DFS CLI when creating files/directories without specifying permissions
> ------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-10488
>                 URL: https://issues.apache.org/jira/browse/HDFS-10488
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: webhdfs
>            Reporter: Wellington Chevreuil
>            Priority: Minor
>         Attachments: HDFS-10488.patch
>
>
> WebHDFS methods for creating file/directories are always creating it with 755 permissions as default, even ignoring any configured *fs.permissions.umask-mode* in the case of directories.
> Dfs CLI, however, applies the configured umask to 777 permission for directories, or 666 permission for files.
> Example below shows the different behaviour when creating directory via CLI and WebHDFS:
> {noformat}
> 1) Creating a directory under '/test/' as 'test-user'. Configured fs.permissions.umask-mode is 000: 
> $ sudo -u test-user hdfs dfs -mkdir /test/test-user1 
> $ sudo -u test-user hdfs dfs -getfacl /test/test-user1 
> # file: /test/test-user1
> # owner: test-user 
> # group: supergroup 
> user::rwx 
> group::rwx 
> other::rwx 
> 4) Doing the same via WebHDFS does not get the proper ACLs: 
> $ curl -i -X PUT "http://namenode-host:50070/webhdfs/v1/test/test-user2?user.name=test-user&op=MKDIRS" 
> $ sudo -u test-user hdfs dfs -getfacl /test/test-user2 
> # file: /test/test-user2 
> # owner: test-user 
> # group: supergroup 
> user::rwx 
> group::r-x 
> other::r-x
> {noformat}



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