Dear team,
At the university of Zürich switzerland, we are using the Openstack fake
compute driver in the framework of a Master study project on fairness
algorithms in the nova compute.
Our setup: Openstack icehouse: One controller node + 2 compute nodes. These
three nodes are virtual using the qemu hypervisor.
In /etc/nova/nova.conf we have specified:
compute_driver = fake.FakeDriver
connection_type=fake
We create vms using names such as fake01_f1, fake02_f2 where f1= default flavor
with id=1 f2 = default flavor with id=2
We are using a dictionary (eg: dic_load={ram=100MB, vcpu=1, disk=1GB}) to
simulate the current load on a vm. Based on this fake load (dic_load as input)
we can easily used the flavors to compute the remaining free resources on the
fake vm. We created a fake_vm_load method for that purpose.
Question: How and where do we integrate the fake_vm_load method in openstack
to make our simulation dynamic at the cloud level? Our intention is to be able
to call this method on a running fake vm and pass it a load that will persist
as long as the fake vm is running.
For example upon typing the command "nova host-describe compute-host1" we
would like the fake loads on all running fake vms of compute-host1 to be
reflected in the output of this command.
Thanks in advance for your assistance.
Regards,
Louis-Marie LOE
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