[jira] [Created] (HDFS-12389) Ozone: oz commandline list calls should return valid JSON format output

[Weiwei Yang (JIRA)]

Weiwei Yang created HDFS-12389:
----------------------------------

             Summary: 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


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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