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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12389) Ozone: oz commandline list calls should return valid JSON format output
Date Tue, 12 Sep 2017 02:42:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16162413#comment-16162413
] 

Weiwei Yang commented on HDFS-12389:
------------------------------------

Hi [~anu], [~linyiqun], [~vagarychen]

Excuse me for interrupting, could you please help to review this patch when you have time?
This is pretty straightforward but would be helpful to folks who wants to play with CLI outputs.
Thanks a lot.

> Ozone: oz commandline list calls should return valid JSON format output
> -----------------------------------------------------------------------
>
>                 Key: HDFS-12389
>                 URL: https://issues.apache.org/jira/browse/HDFS-12389
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>    Affects Versions: HDFS-7240
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>              Labels: ozoneMerge
>         Attachments: HDFS-12389-HDFS-7240.001.patch, HDFS-12389-HDFS-7240.002.patch,
json_output_test.log
>
>
> At present the outputs of {{listVolume}}, {{listBucket}} and {{listKey}} are hard to
parse, for example following call
> {code}
> ./bin/hdfs oz -listVolume http://localhost:9864 -user wwei
> {code}
> lists all volumes in my cluster and it returns
> {noformat}
> {
>     "version" : 0,
>     "md5hash" : null,
>     "createdOn" : "Mon, 04 Sep 2017 03:25:22 GMT",
>     "modifiedOn" : "Mon, 04 Sep 2017 03:25:22 GMT",
>     "size" : 10240,
>     "keyName" : "key-0-22381",
>     "dataFileName" : null
>   }
>  {  
>     "version" : 0,
>     "md5hash" : null,
>     "createdOn" : "Mon, 04 Sep 2017 03:25:22 GMT",
>     "modifiedOn" : "Mon, 04 Sep 2017 03:25:22 GMT",
>     "size" : 10240,
>     "keyName" : "key-0-22381",
>     "dataFileName" : null
>   }
>   ...
> {noformat}
> this is not a valid JSON format output hence it is hard to parse in clients' script for
further interactions. Propose to reformat them to valid JSON data.



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