disksize=disk,
specs=None)
# Modify the flavor with the appropriate extra_specs
numa_flavor = numa.create_numa_topo_extra_specs(flv=numa_flavor, numa_nodes=1)
# Now we have a flavor with 2 NUMA nodes defined. You can display the extra_specs
extra_specs = numa_flavor.get_keys()
glob_logger.info(str(extra_specs))
# Now that we have a flavor with a simple numa topology defined, we can boot an instance.
# Note that the flavor that was defined only specified 1 NUMA nodes and a memory policy of
# preferred. There are many additional permutations that can be done, such as having asymmetrical
# cpus to to NUMA nodes, asymmetrical memory to NUMA nodes, or combining NUMA topology with
# vcpu pinning or large page memory support
image = numa.get_image_name("cirros")
instance = numa.boot_instance(img=image, flv=numa_flavor, name="numa_instance")
# Poll to see when the instance is done booting up
active = smog.nova.poll_status(instance, "ACTIVE", timeout=600)
if not active:
print("Failed to boot instance")
# Now that the instance is actually up, check to see that it actually has 2 NUMA nodes defined
discovered = numa.discover(guests=[instance
]) # Find the instance we have booted
inst = discovered[0]
dump = inst.dumpxml()
# Verify we have the NUMA topology created
root = ET.fromstring(dump)
# Create a new flavor that will have the extra specs we need
numa_flavor = numa.create_flavor("numa_flavor", ram=ram, vcpus=vcpus, disksize=disk, specs=None)
# Modify the flavor with the appropriate extra_specs
numa_flavor = numa.create_numa_topo_extra_specs(flv=numa_flavor, numa_nodes=1)
# Now we have a flavor with 2 NUMA nodes defined. You can display the extra_specs
extra_specs = numa_flavor.get_keys()
glob_logger.info(str(extra_specs))
# Now that we have a flavor with a simple numa topology defined, we can boot an instance.
# Note that the flavor that was defined only specified 1 NUMA nodes and a memory policy of
# preferred. There are many additional permutations that can be done, such as having asymmetrical
# cpus to to NUMA nodes, asymmetrical memory to NUMA nodes, or combining NUMA topology with
# vcpu pinning or large page memory support
image = numa.get_image_name("cirros")
instance = numa.boot_instance(img=image, flv=numa_flavor, name="numa_instance")
# Poll to see when the instance is done booting up
active = smog.nova.poll_status(instance, "ACTIVE", timeout=600)
if not active:
print("Failed to boot instance")
# Now that the instance is actually up, check to see that it actually has 2 NUMA nodes defined
discovered = numa.discover(guests=[instance]) # Find the instance we have booted
inst = discovered[0]
dump = inst.dumpxml()
# Verify we have the NUMA topology created
root = ET.fromstring(dump)
cpu = next(root.iter("cpu"))
