[openstack-dev] Nova-database update
mriedem at linux.vnet.ibm.com
Fri Jul 31 16:03:34 UTC 2015
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
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Mostly nova-conductor but sometimes also nova-api. Pretty much anything
that imports nova.db.api.
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