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https://issues.apache.org/jira/browse/AMBARI-17306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Swapan Shridhar updated AMBARI-17306:
-------------------------------------
Attachment: AMBARI-17306.patch
> 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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