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From Shashi Vishwakarma <shashi.vish...@gmail.com>
Subject Re: HDFS ACL | Unable to define ACL automatically for child folders
Date Mon, 19 Sep 2016 07:16:39 GMT
Thanks a lot Rakesh. Above information is very much helpful.

Thanks
Shashi

On Mon, Sep 19, 2016 at 12:39 PM, Rakesh Radhakrishnan <rakeshr@apache.org>
wrote:

> AFAIK, there is no java API available. Perhaps you could do recursive
> directory listing for a path and invokes #setAcl java api for each.
> https://hadoop.apache.org/docs/r2.7.2/api/org/apache/
> hadoop/fs/FileSystem.html#setAcl(org.apache.hadoop.fs.Path,
> java.util.List)
>
> Rakesh
>
> On Mon, Sep 19, 2016 at 11:22 AM, Shashi Vishwakarma <
> shashi.vish123@gmail.com> wrote:
>
>> Thanks Rakesh.
>>
>> Just last question, is there any Java API available for recursively
>> applying ACL or I need to iterate on all folders of dir and apply acl for
>> each?
>>
>> Thanks
>> Shashi
>>
>> On 19 Sep 2016 9:56 am, "Rakesh Radhakrishnan" <rakeshr@apache.org>
>> wrote:
>>
>>> It looks like '/user/test3' has owner '"hdfs" and denying the
>>> access while performing operations via "shashi" user. One idea is to
>>> recursively set ACL to sub-directories and files as follows:
>>>
>>>              hdfs dfs -setfacl -R -m default:user:shashi:rwx /user
>>>
>>>             -R, option can be used to apply operations to all files and
>>> directories recursively.
>>>
>>> Regards,
>>> Rakesh
>>>
>>> On Sun, Sep 18, 2016 at 8:53 PM, Shashi Vishwakarma <
>>> shashi.vish123@gmail.com> wrote:
>>>
>>>> I have following scenario. There is parent folder /user with five child
>>>> folder as test1 , test2, test3 etc in HDFS.
>>>>
>>>>     /user/test1
>>>>     /user/test2
>>>>     /user/test3
>>>>
>>>> I applied acl on parent folder to make sure user has automatically
>>>> access to child folder.
>>>>
>>>>      hdfs dfs -setfacl -m default:user:shashi:rwx /user
>>>>
>>>>
>>>> but when i try to put some file , it is giving permission denied
>>>> exception
>>>>
>>>>     hadoop fs -put test.txt  /user/test3
>>>>     put: Permission denied: user=shashi, access=WRITE,
>>>> inode="/user/test3":hdfs:supergroup:drwxr-xr-x
>>>>
>>>> **getfacl output**
>>>>
>>>>     hadoop fs -getfacl /user/test3
>>>>     # file: /user/test3
>>>>     # owner: hdfs
>>>>     # group: supergroup
>>>>     user::rwx
>>>>     group::r-x
>>>>     other::r-x
>>>>
>>>> Any pointers on this?
>>>>
>>>> Thanks
>>>> Shashi
>>>>
>>>
>>>
>

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