Hi Matt,
Thanks for your reply.
You mean to say what needs to be used for the scheduling ( CPUS, RAM,
Storage etc ) has to be put into the Nova DB by implementing the APIs in
every Nova compute server?
These implementations acts as a nova-agents ?
-Pradeep
On 31 July 2015 at 18:03, Matt Riedemann wrote:
>
>
> On 7/31/2015 9:27 AM, Pradeep Kiruvale wrote:
>
>> Hi All,
>>
>>
>> I am new to openstack. I have a problem in understanding of
>> Nova-database update with the resources information.
>>
>> My understanding after going through the architecture documents and code
>> is Nova-Database is the one which stores the resource information about
>> the compute servers. The Nova-Scheduler is responsible to place a VM on
>> a correct compute node where the resources are available. Nova-compute
>> is responsible for creating the VMs/Containers etc.
>>
>> The question here is who actually updates the in real time the resource
>> information in the Nova-Database by reading the resources information
>> from the compute servers/nodes?
>>
>> I have read about agents are responsible for this, but I dint get which
>> code does that. Can any one please help me in clarifying my doubt and
>> please guide me for the code which does that.
>>
>>
>> Thanks in advance
>>
>> Cheers,
>> Pradeep
>>
>>
>>
>>
>>
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>>
> Mostly nova-conductor but sometimes also nova-api. Pretty much anything
> that imports nova.db.api.
>
> This might be helpful:
>
>
> http://docs.openstack.org/developer/nova/architecture.html?highlight=architecture
>
> --
>
> Thanks,
>
> Matt Riedemann
>
>
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