def test_topo_usage_none(self):
hosttopo = hw.VirtNUMAHostTopology([
hw.VirtNUMATopologyCellUsage(0, set([0, 1]), 512),
hw.VirtNUMATopologyCellUsage(1, set([2, 3]), 512),
])
instance1 = hw.VirtNUMAInstanceTopology([
hw.VirtNUMATopologyCell(0, set([0, 1]), 256),
hw.VirtNUMATopologyCell(2, set([2]), 256),
])
hostusage = hw.VirtNUMAHostTopology.usage_from_instances(
None, [instance1])
self.assertIsNone(hostusage)
hostusage = hw.VirtNUMAHostTopology.usage_from_instances(
hosttopo, [])
self.assertEqual(hostusage.cells[0].cpu_usage, 0)
self.assertEqual(hostusage.cells[0].memory_usage, 0)
self.assertEqual(hostusage.cells[1].cpu_usage, 0)
self.assertEqual(hostusage.cells[1].memory_usage, 0)
hostusage = hw.VirtNUMAHostTopology.usage_from_instances(
hosttopo, None)
self.assertEqual(hostusage.cells[0].cpu_usage, 0)
self.assertEqual(hostusage.cells[0].memory_usage, 0)
self.assertEqual(hostusage.cells[1].cpu_usage, 0)
self.assertEqual(hostusage.cells[1].memory_usage, 0)
def test_numa_topo_dict_with_usage(self):
topo = hw.VirtNUMAHostTopology(cells=[
hw.VirtNUMATopologyCellUsage(1, set([1, 2]), 1024),
hw.VirtNUMATopologyCellUsage(2, set([3, 4]), 1024)
])
topo_dict = {
'cells': [{
'cpus': '1,2',
'cpu_usage': 0,
'mem': {
'total': 1024,
'used': 0
},
'id': 1
}, {
'cpus': '3,4',
'cpu_usage': 0,
'mem': {
'total': 1024,
'used': 0
},
'id': 2
}]
}
self._test_to_dict(topo, topo_dict)
self._test_topo_from_dict(topo_dict, topo, with_usage=True)
def _fake_resources(self, values=None):
resources = {
'memory_mb':
2048,
'memory_mb_used':
0,
'free_ram_mb':
2048,
'local_gb':
20,
'local_gb_used':
0,
'free_disk_gb':
20,
'vcpus':
2,
'vcpus_used':
0,
'numa_topology':
hardware.VirtNUMAHostTopology(cells=[
hardware.VirtNUMATopologyCellUsage(1, [1, 2], 512),
hardware.VirtNUMATopologyCellUsage(2, [3, 4], 512)
]).to_json()
}
if values:
resources.update(values)
return resources
def setUp(self):
super(NUMATopologyClaimsTest, self).setUp()
self.host = hw.VirtNUMAHostTopology(
cells=[
hw.VirtNUMATopologyCellUsage(
1, set([1, 2, 3, 4]), 2048,
cpu_usage=1, memory_usage=512),
hw.VirtNUMATopologyCellUsage(
2, set([5, 6]), 1024)])
self.limits = hw.VirtNUMALimitTopology(
cells=[
hw.VirtNUMATopologyCellLimit(
1, set([1, 2, 3, 4]), 2048,
cpu_limit=8, memory_limit=4096),
hw.VirtNUMATopologyCellLimit(
2, set([5, 6]), 1024,
cpu_limit=4, memory_limit=2048)])
self.large_instance = hw.VirtNUMAInstanceTopology(
cells=[
hw.VirtNUMATopologyCell(1, set([1, 2, 3, 4, 5, 6]), 8192),
hw.VirtNUMATopologyCell(2, set([7, 8]), 4096)])
self.medium_instance = hw.VirtNUMAInstanceTopology(
cells=[
hw.VirtNUMATopologyCell(1, set([1, 2, 3, 4]), 1024),
hw.VirtNUMATopologyCell(2, set([7, 8]), 2048)])
self.small_instance = hw.VirtNUMAInstanceTopology(
cells=[
hw.VirtNUMATopologyCell(1, set([1]), 256),
hw.VirtNUMATopologyCell(2, set([5]), 1024)])
def test_json(self):
expected = hw.VirtNUMAHostTopology(cells=[
hw.VirtNUMATopologyCellUsage(1, set([1, 2]), 1024),
hw.VirtNUMATopologyCellUsage(2, set([3, 4]), 1024)
])
got = hw.VirtNUMAHostTopology.from_json(expected.to_json())
for exp_cell, got_cell in zip(expected.cells, got.cells):
self.assertNUMACellMatches(exp_cell, got_cell)
def setUp(self):
super(HelperMethodsTestCase, self).setUp()
self.hosttopo = hw.VirtNUMAHostTopology([
hw.VirtNUMATopologyCellUsage(0, set([0, 1]), 512),
hw.VirtNUMATopologyCellUsage(1, set([2, 3]), 512),
])
self.instancetopo = hw.VirtNUMAInstanceTopology([
hw.VirtNUMATopologyCell(0, set([0, 1]), 256),
hw.VirtNUMATopologyCell(1, set([2]), 256),
])
self.context = context.RequestContext('fake-user',
'fake-project')
def test_host_usage_sparse(self):
hosttopo = hw.VirtNUMAHostTopology([
hw.VirtNUMATopologyCellUsage(0, set([0, 1, 2, 3]), 1024),
hw.VirtNUMATopologyCellUsage(5, set([4, 6]), 512),
hw.VirtNUMATopologyCellUsage(6, set([5, 7]), 512),
])
instance1 = hw.VirtNUMAInstanceTopology([
hw.VirtNUMATopologyCell(0, set([0, 1, 2]), 256),
hw.VirtNUMATopologyCell(6, set([4]), 256),
])
instance2 = hw.VirtNUMAInstanceTopology([
hw.VirtNUMATopologyCell(0, set([0, 1]), 256),
hw.VirtNUMATopologyCell(5, set([5, 7]), 256),
])
hostusage = hw.VirtNUMAHostTopology.usage_from_instances(
hosttopo, [instance1, instance2])
self.assertEqual(len(hosttopo), len(hostusage))
self.assertIsInstance(hostusage.cells[0],
hw.VirtNUMATopologyCellUsage)
self.assertEqual(hosttopo.cells[0].id,
hostusage.cells[0].id)
self.assertEqual(hosttopo.cells[0].cpuset,
hostusage.cells[0].cpuset)
self.assertEqual(hosttopo.cells[0].memory,
hostusage.cells[0].memory)
self.assertEqual(hostusage.cells[0].cpu_usage, 5)
self.assertEqual(hostusage.cells[0].memory_usage, 512)
self.assertIsInstance(hostusage.cells[1],
hw.VirtNUMATopologyCellUsage)
self.assertEqual(hosttopo.cells[1].id,
hostusage.cells[1].id)
self.assertEqual(hosttopo.cells[1].cpuset,
hostusage.cells[1].cpuset)
self.assertEqual(hosttopo.cells[1].memory,
hostusage.cells[1].memory)
self.assertEqual(hostusage.cells[1].cpu_usage, 2)
self.assertEqual(hostusage.cells[1].memory_usage, 256)
self.assertIsInstance(hostusage.cells[2],
hw.VirtNUMATopologyCellUsage)
self.assertEqual(hosttopo.cells[2].cpuset,
hostusage.cells[2].cpuset)
self.assertEqual(hosttopo.cells[2].memory,
hostusage.cells[2].memory)
self.assertEqual(hostusage.cells[2].cpu_usage, 1)
self.assertEqual(hostusage.cells[2].memory_usage, 256)
def test_numa_cell_usage_dict(self):
cell = hw.VirtNUMATopologyCellUsage(1, set([1, 2]), 512)
cell_dict = {'cpus': '1,2', 'cpu_usage': 0,
'mem': {'total': 512, 'used': 0},
'id': 1}
self._test_to_dict(cell, cell_dict)
self._test_cell_from_dict(cell_dict, cell)
def test_host_usage_culmulative_with_free(self):
hosttopo = hw.VirtNUMAHostTopology([
hw.VirtNUMATopologyCellUsage(0,
set([0, 1, 2, 3]),
1024,
cpu_usage=2,
memory_usage=512),
hw.VirtNUMATopologyCellUsage(1,
set([4, 6]),
512,
cpu_usage=1,
memory_usage=512),
hw.VirtNUMATopologyCellUsage(2, set([5, 7]), 256),
])
instance1 = hw.VirtNUMAInstanceTopology([
hw.VirtNUMATopologyCell(0, set([0, 1, 2]), 512),
hw.VirtNUMATopologyCell(1, set([3]), 256),
hw.VirtNUMATopologyCell(2, set([4]), 256)
])
hostusage = hw.VirtNUMAHostTopology.usage_from_instances(
hosttopo, [instance1])
self.assertIsInstance(hostusage.cells[0], hw.VirtNUMATopologyCellUsage)
self.assertEqual(hostusage.cells[0].cpu_usage, 5)
self.assertEqual(hostusage.cells[0].memory_usage, 1024)
self.assertIsInstance(hostusage.cells[1], hw.VirtNUMATopologyCellUsage)
self.assertEqual(hostusage.cells[1].cpu_usage, 2)
self.assertEqual(hostusage.cells[1].memory_usage, 768)
self.assertIsInstance(hostusage.cells[2], hw.VirtNUMATopologyCellUsage)
self.assertEqual(hostusage.cells[2].cpu_usage, 1)
self.assertEqual(hostusage.cells[2].memory_usage, 256)
# Test freeing of resources
hostusage = hw.VirtNUMAHostTopology.usage_from_instances(hostusage,
[instance1],
free=True)
self.assertEqual(hostusage.cells[0].cpu_usage, 2)
self.assertEqual(hostusage.cells[0].memory_usage, 512)
self.assertEqual(hostusage.cells[1].cpu_usage, 1)
self.assertEqual(hostusage.cells[1].memory_usage, 512)
self.assertEqual(hostusage.cells[2].cpu_usage, 0)
self.assertEqual(hostusage.cells[2].memory_usage, 0)
from nova import db
from nova import exception
from nova.objects import compute_node
from nova.objects import hv_spec
from nova.objects import service
from nova.tests.unit.objects import test_objects
from nova.virt import hardware
NOW = timeutils.utcnow().replace(microsecond=0)
fake_stats = {'num_foo': '10'}
fake_stats_db_format = jsonutils.dumps(fake_stats)
# host_ip is coerced from a string to an IPAddress
# but needs to be converted to a string for the database format
fake_host_ip = '127.0.0.1'
fake_numa_topology = hardware.VirtNUMAHostTopology(cells=[
hardware.VirtNUMATopologyCellUsage(0, set([1, 2]), 512),
hardware.VirtNUMATopologyCellUsage(1, set([3, 4]), 512)
])
fake_numa_topology_db_format = fake_numa_topology.to_json()
fake_hv_spec = hv_spec.HVSpec(arch='foo', hv_type='bar', vm_mode='foobar')
fake_supported_hv_specs = [fake_hv_spec]
# for backward compatibility, each supported instance object
# is stored as a list in the database
fake_supported_hv_specs_db_format = jsonutils.dumps([fake_hv_spec.to_list()])
fake_compute_node = {
'created_at': NOW,
'updated_at': None,
'deleted_at': None,
'deleted': False,
'id': 123,
'service_id': 456,
