On 6/14/2017 10:57 AM, Carlos Konstanski wrote:
Is there a way to obtain nova configuration settings at runtime without
resorting to SSHing onto the compute host and greping nova.conf? For
instance a CLI call? At the moment I'm looking at cpu_allocation_ratio
and ram_allocation_ratio. There may be more along this vein.
Alles Gute,
Carlos Konstanski
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No there isn't.
For the specific case you're looking for though, you could use the
Placement REST API:
http://docs-draft.openstack.org/32/470932/5/check/gate-placement-api-ref-nv/771f604//placement-api-ref/build/html/?expanded=show-resource-provider-detail,show-resource-provider-inventory-detail
Using ^ you could get the VCPU resource class inventory allocation ratio
for a given resource provider, where an example of a resource provider
is a compute node.
For a compute node resource provider, the uuid is the same as the
compute_nodes.uuid field and the name is the
compute_nodes.hypervisor_hostname field.
Note that we don't expose compute node uuids out of the compute REST API
yet, but I'm working on that here:
https://review.openstack.org/#/c/471899/
--
Thanks,
Matt
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