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From "Swapan Shridhar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-17306) Filter out MOTD logging from 'llapstatus' command in order to get the output which is JSON parsable.
Date Mon, 20 Jun 2016 20:24:58 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-17306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Swapan Shridhar updated AMBARI-17306:
-------------------------------------
    Status: Patch Available  (was: Open)

> Filter out MOTD logging from 'llapstatus' command in order to get the output which is
JSON parsable.
> ----------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-17306
>                 URL: https://issues.apache.org/jira/browse/AMBARI-17306
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.4.0
>            Reporter: Swapan Shridhar
>            Assignee: Swapan Shridhar
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-17306.patch
>
>
> Example of expected response which can be JSON parsed:
> *CASE A:*
> {code}
> {
>   "amInfo" : {
>     "appName" : "llap0",
>     "appType" : "org-apache-slider",
>     "appId" : "application_1466036628595_0010",
>     "containerId" : "container_1466036628595_0010_01_000001",
>     "hostname" : "hostname",
>     "amWebUrl" : "http://hostname:60865/"
>   },
>   "state" : "LAUNCHING",
>   "originalConfigurationPath" : "hdfs://hostname:8020/user/hive/.slider/cluster/llap0/snapshot",
>   "generatedConfigurationPath" : "hdfs://hostname:8020/user/hive/.slider/cluster/llap0/generated",
>   "desiredInstances" : 1,
>   "liveInstances" : 0,
>   "appStartTime" : 1466123287309
> }
> {code}
> The same output with MOTD message:
> {code}
> This is MOTD message
> This is MOTD message1
> {
>   "amInfo" : {
>     "appName" : "llap0",
>     "appType" : "org-apache-slider",
>     "appId" : "application_1466036628595_0010",
>     "containerId" : "container_1466036628595_0010_01_000001",
>     "hostname" : "hostname",
>     "amWebUrl" : "http://hostname:60865/"
>   },
>   "state" : "LAUNCHING",
>   "originalConfigurationPath" : "hdfs://hostname:8020/user/hive/.slider/cluster/llap0/snapshot",
>   "generatedConfigurationPath" : "hdfs://hostname:8020/user/hive/.slider/cluster/llap0/generated",
>   "desiredInstances" : 1,
>   "liveInstances" : 0,
>   "appStartTime" : 1466123287309
> }
> {code}
> Other scenario can be (eg: APP_NOTFOUND):
> *CASE B:*
> {code}
> This is MOTD message
> This is MOTD message1
> {
>   "state" : "APP_NOT_FOUND"
> }
> {code}
> - We need to filter out extra lines initially added on top of JSON parseable string.



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