ceilometer.tests.unit.compute.pollsters.test_cpu

Source code for ceilometer.tests.unit.compute.pollsters.test_cpu

#
# Copyright 2012 eNovance <licensing@enovance.com>
# Copyright 2012 Red Hat, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

import time

from ceilometer.compute.pollsters import instance_stats
from ceilometer.compute.virt import inspector as virt_inspector
from ceilometer.polling import manager
from ceilometer.tests.unit.compute.pollsters import base


[docs]class TestCPUPollster(base.TestPollsterBase):
[docs] def test_get_samples(self): self._mock_inspect_instance( virt_inspector.InstanceStats(cpu_time=1 * (10 ** 6), cpu_number=2), virt_inspector.InstanceStats(cpu_time=3 * (10 ** 6), cpu_number=2), # cpu_time resets on instance restart virt_inspector.InstanceStats(cpu_time=2 * (10 ** 6), cpu_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')) # 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))
# the following apply to all instance resource pollsters but are tested # here alone.
[docs] 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'])
[docs] 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'])
[docs] 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)
[docs] 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'])
[docs]class TestCPUUtilPollster(base.TestPollsterBase):
[docs] def test_get_samples(self): self._mock_inspect_instance( virt_inspector.InstanceStats(cpu_util=40), virt_inspector.InstanceStats(cpu_util=60), ) mgr = manager.AgentManager(0, self.CONF) pollster = instance_stats.CPUUtilPollster(self.CONF) def _verify_cpu_util_metering(expected_util): cache = {} samples = list(pollster.get_samples(mgr, cache, [self.instance])) self.assertEqual(1, len(samples)) self.assertEqual(set(['cpu_util']), set([s.name for s in samples])) self.assertEqual(expected_util, samples[0].volume) _verify_cpu_util_metering(40) _verify_cpu_util_metering(60)
[docs]class TestCPUL3CachePollster(base.TestPollsterBase):
[docs] def test_get_samples(self): self._mock_inspect_instance( virt_inspector.InstanceStats(cpu_l3_cache_usage=90112), virt_inspector.InstanceStats(cpu_l3_cache_usage=180224), ) mgr = manager.AgentManager(0, self.CONF) pollster = instance_stats.CPUL3CachePollster(self.CONF) def _verify_cpu_l3_cache_metering(expected_usage): cache = {} samples = list(pollster.get_samples(mgr, cache, [self.instance])) self.assertEqual(1, len(samples)) self.assertEqual(set(['cpu_l3_cache']), set([s.name for s in samples])) self.assertEqual(expected_usage, samples[0].volume) _verify_cpu_l3_cache_metering(90112) _verify_cpu_l3_cache_metering(180224)
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