[Openstack] How does host sends it's information to nova scheduler?

Peeyush Gupta gpeeyush at ymail.com
Thu Aug 1 10:16:27 UTC 2013


Hi Lau,

Thank you. That's what I was looking for.

Thanks
 
~Peeyush Gupta


________________________________
 From: Jay Lau <jay.lau.513 at gmail.com>
To: Peeyush Gupta <gpeeyush at ymail.com> 
Cc: "openstack at lists.openstack.org" <openstack at lists.openstack.org> 
Sent: Thursday, 1 August 2013 3:34 PM
Subject: Re: [Openstack] How does host sends it's information to nova scheduler?
 


Sorry, forget the attachment.

Thanks,

Jay




2013/8/1 Jay Lau <jay.lau.513 at gmail.com>

Hi Peeyush, 
>
>Please refer to attached diagram as the report process, but this logic is going to be removed in hanva-3, refer to https://blueprints.launchpad.net/nova/+spec/no-compute-fanout-to-scheduler for detail.
>
>Thanks, 
>
>Jay
>
>
>
>
>
>
>
>2013/8/1 Peeyush Gupta <gpeeyush at ymail.com>
>
>Hi,
>>
>>
>>I have been trying to find out how does nova scheduler gets the 
>>information from the hosts. I understand that there is a file named
>>host_manager.py that is responsible for polling each host present in 
>>nova.db and retrieve it's information. But what I want to know is how 
>>each host sends it's information and from where?
>>
>>
>>P.S.: I have installed openstack using devstack on Ubuntu 12.04
>>
>>
>>Thanks. 
>>~Peeyush Gupta
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