[jira] [Commented] (AMBARI-22244) Update service component API call to work for second service instance

["Doroszlai, Attila (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-22244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16314451#comment-16314451 ] 

Doroszlai, Attila commented on AMBARI-22244:
--------------------------------------------

Committed addendum to [branch-feature-AMBARI-14714|http://git-wip-us.apache.org/repos/asf/ambari/commit/98f68f9fa9].

> Update service component API call to work for second service instance
> ---------------------------------------------------------------------
>
>                 Key: AMBARI-22244
>                 URL: https://issues.apache.org/jira/browse/AMBARI-22244
>             Project: Ambari
>          Issue Type: Task
>          Components: ambari-server
>    Affects Versions: 3.0.0
>            Reporter: Doroszlai, Attila
>            Assignee: Doroszlai, Attila
>             Fix For: 3.0.0
>
>         Attachments: AMBARI-22244.patch
>
>
> *Background:*
> AMBARI-21824 & AMBARI-22164 moved service API to {{/api/v1/clusters/<cluster-name>/servicegroups/<service-group-name>/services}}. The service API was also updated to be able to create a second service instance.
> {code}
> POST /api/v1/clusters/cl1/servicegroups/core/services
> {
>   "ServiceInfo" : {
>     "service_name": "ZK2",
>     "service_type": "ZOOKEEPER"
>   }
> }
> {code}
> In the example above {{service_name = ZK2}} is the user-defined service name and {{service_type = ZOOKEEPER}} is the actual service name as defined in the stack definition. 
> *Issue:*
> # There are issues with creating a service component for the second instance (i.e. {{POST /api/v1/clusters/cl1/servicegroups/core/services/ZK2/components/ZOOKEEPER_SERVER}} etc can cause failures). 
> # This is primarily because there are code blocks where we use {{service_name}} instead of {{service_type}} to make calls to {{ambariMetaInfo.getService(stackName, stackVersion, stackServiceName)}}. 
> # So we end up making a call {{ambariMetaInfo.getService("HDP", "3.0.0", "ZK1")}}. We need to fix issues like these to be able to make our APIs multi-instance ready.



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