def test_get_reserved_metadata_with_namespace(self):
mgr = manager.AgentManager(0, self.CONF)
pollster = instance_stats.CPUPollster(self.CONF)
samples = list(pollster.get_samples(mgr, {}, [self.instance]))
self.assertEqual({'stack': '2cadc4b4-8789-123c-b4eg-edd2f0a9c128'},
samples[0].resource_metadata['user_metadata'])
self.CONF.set_override('reserved_metadata_namespace', [])
mgr = manager.AgentManager(0, self.CONF)
pollster = instance_stats.CPUPollster(self.CONF)
samples = list(pollster.get_samples(mgr, {}, [self.instance]))
self.assertNotIn('user_metadata', samples[0].resource_metadata)
def test_get_flavor_name_as_metadata_instance_type(self):
mgr = manager.AgentManager(0, self.CONF)
pollster = instance_stats.CPUPollster(self.CONF)
samples = list(pollster.get_samples(mgr, {}, [self.instance]))
self.assertEqual(1, len(samples))
self.assertEqual('m1.small',
samples[0].resource_metadata['instance_type'])
def test_get_samples(self):
self._mock_inspect_instance(
virt_inspector.InstanceStats(cpu_time=1 * (10**6),
cpu_number=2,
vcpu_number=2),
virt_inspector.InstanceStats(cpu_time=3 * (10**6),
cpu_number=2,
vcpu_number=2),
# cpu_time resets on instance restart
virt_inspector.InstanceStats(cpu_time=2 * (10**6),
cpu_number=2,
vcpu_number=2),
)
mgr = manager.AgentManager(0, self.CONF)
pollster = instance_stats.CPUPollster(self.CONF)
def _verify_cpu_metering(expected_time):
cache = {}
samples = list(pollster.get_samples(mgr, cache, [self.instance]))
self.assertEqual(1, len(samples))
self.assertEqual(set(['cpu']), set([s.name for s in samples]))
self.assertEqual(expected_time, samples[0].volume)
self.assertEqual(2, samples[0].resource_metadata.get('cpu_number'))
self.assertEqual(2,
samples[0].resource_metadata.get('vcpu_number'))
# ensure elapsed time between polling cycles is non-zero
time.sleep(0.001)
_verify_cpu_metering(1 * (10**6))
_verify_cpu_metering(3 * (10**6))
_verify_cpu_metering(2 * (10**6))
def test_get_reserved_metadata_with_keys(self):
self.CONF.set_override('reserved_metadata_keys', ['fqdn'])
mgr = manager.AgentManager(0, self.CONF)
pollster = instance_stats.CPUPollster(self.CONF)
samples = list(pollster.get_samples(mgr, {}, [self.instance]))
self.assertEqual(
{
'fqdn': 'vm_fqdn',
'stack': '2cadc4b4-8789-123c-b4eg-edd2f0a9c128'
}, samples[0].resource_metadata['user_metadata'])
def test_get_metadata(self):
mgr = manager.AgentManager(0, self.CONF)
pollster = instance_stats.CPUPollster(self.CONF)
samples = list(pollster.get_samples(mgr, {}, [self.instance]))
self.assertEqual(1, len(samples))
self.assertEqual(1, samples[0].resource_metadata['vcpus'])
self.assertEqual(512, samples[0].resource_metadata['memory_mb'])
self.assertEqual(20, samples[0].resource_metadata['disk_gb'])
self.assertEqual(20, samples[0].resource_metadata['root_gb'])
self.assertEqual(0, samples[0].resource_metadata['ephemeral_gb'])
self.assertEqual('active', samples[0].resource_metadata['status'])
self.assertEqual('active', samples[0].resource_metadata['state'])
self.assertIsNone(samples[0].resource_metadata['task_state'])
