[jira] [Commented] (BROOKLYN-548) Brooklyn node ID changes on restart

["Svetoslav Neykov (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BROOKLYN-548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16244537#comment-16244537 ] 

Svetoslav Neykov commented on BROOKLYN-548:
-------------------------------------------

[~tbouron] I believe that's the expected behaviour - instances gets a random ID at each start. What stays constant is the planeId and it is one and the same for all nodes in a cluster.

> Brooklyn node ID changes on restart
> -----------------------------------
>
>                 Key: BROOKLYN-548
>                 URL: https://issues.apache.org/jira/browse/BROOKLYN-548
>             Project: Brooklyn
>          Issue Type: Bug
>    Affects Versions: 0.12.0
>            Reporter: Thomas Bouron
>
> I was testing Brooklyn HA and noticed something odd: when restarting an HA Brooklyn node, it changes it's node ID reported by `/v1/server/ha/states`.
> For instance, I have 2 Brooklyn nodes, 1 master, 1 slave. I stopped master (not killed, stopped), slave took over as expected. Then I restarted the previous master, it came back online as a slave (expected) but the node ID was different. I was expecting it to keep its ID rather creating a new one.
> {code}
> {
>   "planeId": "qDpn2Lau",
>   "ownId": "nJagUrw8",
>   "masterId": "nJagUrw8",
>   "nodes": {
>     "BgOjYcml": {
>       "nodeId": "BgOjYcml",
>       "nodeUri": null,
>       "status": "TERMINATED",
>       "localTimestamp": 1510052259169,
>       "remoteTimestamp": 1510052260000
>     },
>     "iv3XfaEu": {
>       "nodeId": "iv3XfaEu",
>       "nodeUri": null,
>       "status": "STANDBY",
>       "localTimestamp": 1510054973636,
>       "remoteTimestamp": 1510054974000
>     },
>     "nJagUrw8": {
>       "nodeId": "nJagUrw8",
>       "nodeUri": null,
>       "status": "MASTER",
>       "localTimestamp": 1510054975025,
>       "remoteTimestamp": 1510054976000
>     }
>   },
>   "links": {}
> }
> {code}
> On the JSON above, {{BgOjYcml}} is the same node as {{iv3XfaEu}} but {{BgOjYcml}} was the ID of the node before restart.



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