On Tue, Sep 16, 2014 at 12:49 PM, Akila Ravihansa Perera <raviha...@wso2.com
> wrote:

> Hi Raj,
>
> We can use the same CEP stream to publish cartridge agent health stats. We
> can identify the instance type (container or VM type) by retrieving member
> properties from the topology. But I don't think we should be doing that.
>
> IMO, we should not publish cartridge agent health stats from each and
> every container. It's better if we can have a global agent per Kubernetes
> host instance to monitor the health of every container and also in host
> instance itself. We can use a container monitoring agent like cAdvisor to
> collect container health stats.
>

For all time we may not get health stats from host level. Sometime we may
need to have owned logic to get application heath, which is needed by
extending cartridge agent. IMO, we can't fully get rid of publishing heath
status from the agent.


>
> +1 for having a separate CEP execution plan for handling Docker containers
> scenario.
>
> As for the ContainerClusterMonitor, we should clearly outline the
> responsibilities of container monitor and VM monitor. Because since we are
> using Kubernetes for managing the life-cycle of containers, most of the
> tasks are already taken care of. For eg - we don't need to start a new
> container if an existing containers fails since Kubernetes will handle that
> failure.
>
> WDYT?
>



-- 
Lakmal Warusawithana
Vice President, Apache Stratos
Director - Cloud Architecture; WSO2 Inc.
Mobile : +94714289692
Blog : http://lakmalsview.blogspot.com/

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