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From "Dmitry Lysnichenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-6991) Setting maintenance mode should return request information
Date Tue, 16 Sep 2014 14:30:34 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-6991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14135521#comment-14135521
] 

Dmitry Lysnichenko commented on AMBARI-6991:
--------------------------------------------

@jimbobhickville, I think the issue has been resolved by AMBARI-7317. Now Update Nagios operation
is exclusive by design. I mean that it executes without any parallelization and can not overlap
with any other requests. So now you have not to poll and wait until it completes, you may
issue next requests immediately and they will be executed afterwards.

> Setting maintenance mode should return request information
> ----------------------------------------------------------
>
>                 Key: AMBARI-6991
>                 URL: https://issues.apache.org/jira/browse/AMBARI-6991
>             Project: Ambari
>          Issue Type: Bug
>    Affects Versions: 1.6.1
>            Reporter: Greg Hill
>            Assignee: Dmitry Lysnichenko
>             Fix For: 1.7.0
>
>
> Currently when you set maintenance mode, it spawns an asynchronous operation to update
nagios, but it does not return the request information to the client.  The client needs an
easy way to poll that request to know when it has completed.
> {noformat}
> PUT http://c6401.ambari.apache.org:8080/api/v1/clusters/testcluster/hosts
> {"RequestInfo": {"query": "Hosts/host_name.in(c6404.ambari.apache.org)", "context": "Start
Maintenance Mode"}, "Body": {"Hosts": {"maintenance_state": "ON"}}}
> {noformat}
> Response is a 200 with an empty response body.
> Alternatively:
> {noformat}
> PUT http://c6401.ambari.apache.org:8080/api/v1/clusters/testcluster/hosts/c6404.ambari.apache.org/host_components?fields=HostRoles/state
> {"RequestInfo": {"context": "Start Maintenance Mode"}, "Body": {"HostRoles": {"maintenance_state":
"ON"}}}
> {noformat}
> Same response.  200 OK, no body.



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