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From Sheng Yang <sh...@yasker.org>
Subject Re: [Proposal] Virtual Router service failure alerting
Date Thu, 13 Feb 2014 21:55:37 GMT
Alena,

Mgmt server may not be accessible by VR directly, and there is no way for
VR to communicate with the host it's running on directly...

--Sheng


On Thu, Feb 13, 2014 at 12:45 PM, Alena Prokharchyk <
Alena.Prokharchyk@citrix.com> wrote:

> Hari,
>
> You say that ³Virtual router does not have NIC for the management network
> so VR cannot send alerts directly to management server and so it should be
> polling process from management server to VR²
> But there is a way to public an alert via CS WEB API. I¹ve added this
> feature exactly to support the case when alert is generated by CS Service
> running on a diff host. Please take a look, that might work for your
> feature:
>
>
> https://cwiki.apache.org/confluence/display/CLOUDSTACK/Alert+publishing+via
> +Web+ROOT+admin+API
>
>
>
> Thanks,
> Alena.
>
>
>
> On 2/13/14, 12:23 PM, "Sheng Yang" <sheng@yasker.org> wrote:
>
> >Hi Hari,
> >
> >+1. Getting log from VR is a long awaited feature.
> >
> >One correction: VR does have mgmt network nic, but it doesn't have direct
> >communcation with mgmt server(in the most case except VMware). So polling
> >is still needed.
> >
> >And another comment: you can reuse CheckRouterTask() for the purpose. It
> >already has been used for s2s vpn connection status update and redundant
> >router checking, and "router.check.interval" would be used as interval for
> >checking. You can improve and reuse that rather than introduce another
> >polling thread for VR.
> >
> >How can you define "new alart"? Did the file would be deleted/archived
> >after poll? Or you simply just looking after a certain point? I guess a
> >diff works better than search for timestamp. More details in
> >implementation
> >would be helpful.
> >
> >--Sheng
> >
> >
> >On Thu, Feb 13, 2014 at 1:56 AM, Harikrishna Patnala <
> >harikrishna.patnala@citrix.com> wrote:
> >
> >> Hi,
> >>
> >> Currently in CS we can monitor the running services on Virtual Router
> >>and
> >> ensure they are running through the lifetime of VR. Upon failure of any
> >> service in VR, monitoring service logs the alerts in VR logs.
> >> These alerts need to be pushed to management server to notify admin.
> >>
> >> For this I'd like to introduce the feature Virtual Router service
> >>failure
> >> alerting.
> >>
> >> [1] https://issues.apache.org/jira/browse/CLOUDSTACK-6090
> >> [2]
> >>
> >>
> https://cwiki.apache.org/confluence/display/CLOUDSTACK/Virtual+Router+Ser
> >>vice+Failure+Alerting
> >>
> >>
> >> Comments/feedback are welcome
> >>
> >> Thank you,
> >> Harikrishna
> >>
>
>

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