[jira] [Updated] (SLING-2597) Provide job queues as JMX beans

["Carsten Ziegeler (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-2597?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Carsten Ziegeler updated SLING-2597:
------------------------------------

    Summary: Provide job queues as JMX beans  (was: Provide interface for monitoring services)
    
> Provide job queues as JMX beans
> -------------------------------
>
>                 Key: SLING-2597
>                 URL: https://issues.apache.org/jira/browse/SLING-2597
>             Project: Sling
>          Issue Type: New Feature
>            Reporter: Jörg Hoh
>            Assignee: Carsten Ziegeler
>             Fix For: Extensions Event 3.2.0
>
>
> There should be an interface which one can query to get information about the status of a service implementing this interface.
> eg.
> public interface HealthCheckable {
>   public int getStatus();
> }
> For the return value for this method we could use:
> static int OK = 0;
> static int WARNING = 1;
> static int CRITICAL = 2;
> static int UNKNOWN = 3;
> (these are the values which Nagios uses as return values for its plugins, see http://nagiosplug.sourceforge.net/developer-guidelines.html#AEN76).
> The decision what value is returned is delegated to the service, so maybe they need to have some configuration to define the points, where a "OK" becomes "WARNING".
> Via OSGI whiteboard pattern we can collect then all services providing status information and calculate an overall status of the system. 

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