[jira] [Commented] (AURORA-1225) Modify executor state transition logic to rely on health checks (if enabled)

["Kai Huang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AURORA-1225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15471115#comment-15471115 ] 

Kai Huang commented on AURORA-1225:
-----------------------------------

Currently, aurora_executor sends the task status update to scheduler whereas the health checker performs the health check. When a successful required number of health checks is reached, the task state transitions to RUNNING. Therefore, the health checker needs to notify the aurora_executor about the state change. To solve this problem, we can implement a event-listener in aurora executor that listens to a "TASK_RUNNING_TRANSITION" event dispatched by health checker. Here is an example for the implementation of event dispatcher and event listener: http://code.activestate.com/recipes/577432-simple-event-dispatcher/

> Modify executor state transition logic to rely on health checks (if enabled)
> ----------------------------------------------------------------------------
>
>                 Key: AURORA-1225
>                 URL: https://issues.apache.org/jira/browse/AURORA-1225
>             Project: Aurora
>          Issue Type: Task
>          Components: Executor
>            Reporter: Maxim Khutornenko
>            Assignee: Kai Huang
>
> Executor needs to start executing user content in STARTING and transition to RUNNING when a successful required number of health checks is reached.



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