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https://issues.apache.org/jira/browse/HDFS-12389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16162432#comment-16162432
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Weiwei Yang commented on HDFS-12389:
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Thanks for the +1 [~anu], I am going to commit this shortly. Thank you.
> 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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