[jira] [Resolved] (BROOKLYN-202) managementPlaneId should not change on server restart

["Aled Sage (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BROOKLYN-202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aled Sage resolved BROOKLYN-202.
--------------------------------
       Resolution: Fixed
    Fix Version/s: 0.12.0

Fixed by [~svet] in https://github.com/apache/brooklyn-server/pull/617

> managementPlaneId should not change on server restart
> -----------------------------------------------------
>
>                 Key: BROOKLYN-202
>                 URL: https://issues.apache.org/jira/browse/BROOKLYN-202
>             Project: Brooklyn
>          Issue Type: Bug
>    Affects Versions: 0.8.0
>            Reporter: Aled Sage
>             Fix For: 0.12.0
>
>
> The {{managementContext.getManagementPlaneId()}} should stay the same when a Brooklyn server is restarted. If you have two brooklyn servers running in high-availability mode, then they should both return the same management plane id.
> However, this is not currently true: the id changes on rebind; and in high-availability mode then each server has a different id.
> Below is the javadoc from {{ManagementContext}} described the expected behaviour.
> {noformat}
>     /** 
>      * UID for the Brooklyn management plane which this {@link ManagementContext} node is a part of.
>      * <p>
>      * Each Brooklyn entity is actively managed by a unique management plane 
>      * whose ID which should not normally change for the duration of that entity, 
>      * even though the nodes in that plane might, and the plane may go down and come back up. 
>      * In other words the value of {@link Application#getManagementContext()#getManagementPlaneId()} 
>      * will generally be constant (in contrast to {@link #getManagementNodeId()}).
>      * <p>
>      * This value should not be null unless the management context is a non-functional
>      * (non-deployment) instance. */
>     String getManagementPlaneId();
>     
>     /** 
>      * UID for this {@link ManagementContext} node (as part of a single management plane).
>      * <p>
>      * No two instances of {@link ManagementContext} should ever have the same node UID. 
>      * The value of {@link Application#getManagementContext()#getManagementNodeId()} may
>      * change many times (in contrast to {@link #getManagementPlaneId()}). 
>      * <p>
>      * This value should not be null unless the management context is a non-functional
>      * (non-deployment) instance. */
>     String getManagementNodeId();
> {noformat}
> I encountered this with 0.9.0-SNAPSHOT. I ran {{brooklyn launch --persist auto --persistenceDir /Users/aled/temp/empty}}, then restarted. I also then ran a second instance (thus in "HA STANDBY" mode), and got that management plane id via the groovy console.



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