[jira] [Created] (IGNITE-8376) Add cluster (de)activation events

[Anton Vinogradov (Jira)]

Alexey Goncharuk created IGNITE-8376:
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             Summary: Add cluster (de)activation events
                 Key: IGNITE-8376
                 URL: https://issues.apache.org/jira/browse/IGNITE-8376
             Project: Ignite
          Issue Type: Improvement
            Reporter: Alexey Goncharuk
             Fix For: 2.6


Currently, we do not have any way to detect that a cluster got activated, which results in busy-loops polling {{cluster().active()}}.

I suggest to add new events, {{EVT_CLUSTER_ACTIVATED}}, {{EVT_CLUSTER_DEACTIVATED}}, {{EVT_CLUSTER_ACTIVATION_FAILED}} which will be fired when corresponding steps are completed. The event should contain, if possible, information about the activation source (public API or auto-activation), topology version on which activation was performed. The fail event should contain information about the cause of the failure. If needed, a new class for this event should be introduced.



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