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From Sheng Yang <sh...@yasker.org>
Subject Re: [Proposal] Virtual Router service failure alerting
Date Thu, 13 Feb 2014 21:57:43 GMT
I meant, host can access VR, but VR can't access host(e.g. ssh into host),
which is in the control network.

--Sheng


On Thu, Feb 13, 2014 at 1:55 PM, Sheng Yang <sheng@yasker.org> wrote:

> 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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