def _numa_get_constraints_manual(nodes, flavor, cpu_list, mem_list):
cells = []
totalmem = 0
availcpus = set(range(flavor.vcpus))
for node in range(nodes):
mem = mem_list[node]
cpuset = cpu_list[node]
for cpu in cpuset:
if cpu > (flavor.vcpus - 1):
raise exception.ImageNUMATopologyCPUOutOfRange(
cpunum=cpu, cpumax=(flavor.vcpus - 1))
if cpu not in availcpus:
raise exception.ImageNUMATopologyCPUDuplicates(cpunum=cpu)
availcpus.remove(cpu)
cells.append(
objects.InstanceNUMACell(id=node, cpuset=cpuset, memory=mem))
totalmem = totalmem + mem
if availcpus:
raise exception.ImageNUMATopologyCPUsUnassigned(cpuset=str(availcpus))
if totalmem != flavor.memory_mb:
raise exception.ImageNUMATopologyMemoryOutOfRange(
memsize=totalmem, memtotal=flavor.memory_mb)
return objects.InstanceNUMATopology(cells=cells)
def set_cpus(instance):
"""Set the number of virtual CPUs for the virtual machine.
:param instance: nova.objects.instance.Instance
"""
host_info = get_host_info()
if instance.vcpus > host_info[constants.HOST_PROCESSOR_COUNT]:
raise nova_exception.ImageNUMATopologyCPUOutOfRange(
cpunum=instance.vcpus,
cpumax=host_info[constants.HOST_PROCESSOR_COUNT])
manage.VBoxManage.modify_vm(instance, constants.FIELD_CPUS,
instance.vcpus)
def _numa_get_constraints_manual(nodes, flavor, image_meta):
cells = []
totalmem = 0
availcpus = set(range(flavor['vcpus']))
for node in range(nodes):
cpus = _numa_get_flavor_or_image_prop(
flavor, image_meta, "numa_cpus.%d" % node)
mem = _numa_get_flavor_or_image_prop(
flavor, image_meta, "numa_mem.%d" % node)
# We're expecting both properties set, so
# raise an error if either is missing
if cpus is None or mem is None:
raise exception.ImageNUMATopologyIncomplete()
mem = int(mem)
cpuset = parse_cpu_spec(cpus)
for cpu in cpuset:
if cpu > (flavor['vcpus'] - 1):
raise exception.ImageNUMATopologyCPUOutOfRange(
cpunum=cpu, cpumax=(flavor['vcpus'] - 1))
if cpu not in availcpus:
raise exception.ImageNUMATopologyCPUDuplicates(
cpunum=cpu)
availcpus.remove(cpu)
cells.append(objects.InstanceNUMACell(
id=node, cpuset=cpuset, memory=mem))
totalmem = totalmem + mem
if availcpus:
raise exception.ImageNUMATopologyCPUsUnassigned(
cpuset=str(availcpus))
if totalmem != flavor['memory_mb']:
raise exception.ImageNUMATopologyMemoryOutOfRange(
memsize=totalmem,
memtotal=flavor['memory_mb'])
return objects.InstanceNUMATopology(cells=cells)
