87 lines
3.4 KiB
Python
87 lines
3.4 KiB
Python
# Copyright 2013 Intel Corporation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Tests for Compute Driver CPU resource monitor."""
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import fixtures
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from nova.compute import manager
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from nova.compute.monitors import virt
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from nova import test
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class FakeLibvirt(object):
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def getCPUStats(self, cpuNum, flag):
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if cpuNum < 2:
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return {'kernel': 5664160000000L,
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'idle': 1592705190000000L,
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'user': 26728850000000L,
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'iowait': 6121490000000L}
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else:
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raise Exception("invalid argument: Invalid cpu number")
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def getInfo(self):
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return [0, 0, 0, 800, 0, 0, 0, 0]
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class ComputeDriverCPUMonitorTestCase(test.NoDBTestCase):
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def setUp(self):
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super(ComputeDriverCPUMonitorTestCase, self).setUp()
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self.flags(compute_driver='nova.virt.libvirt.LibvirtDriver')
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self.useFixture(fixtures.MonkeyPatch(
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'nova.virt.libvirt.driver.LibvirtDriver._conn',
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FakeLibvirt()))
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cm = manager.ComputeManager()
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self.monitor = virt.ComputeDriverCPUMonitor(cm)
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def test_get_metric_names(self):
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names = self.monitor.get_metric_names()
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self.assertEqual(10, len(names))
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self.assertIn("cpu.frequency", names)
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self.assertIn("cpu.user.time", names)
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self.assertIn("cpu.kernel.time", names)
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self.assertIn("cpu.idle.time", names)
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self.assertIn("cpu.iowait.time", names)
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self.assertIn("cpu.user.percent", names)
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self.assertIn("cpu.kernel.percent", names)
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self.assertIn("cpu.idle.percent", names)
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self.assertIn("cpu.iowait.percent", names)
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self.assertIn("cpu.percent", names)
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def test_get_metrics(self):
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metrics_raw = self.monitor.get_metrics()
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names = self.monitor.get_metric_names()
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metrics = {}
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for metric in metrics_raw:
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self.assertIn(metric['name'], names)
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metrics[metric['name']] = metric['value']
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self.assertEqual(metrics["cpu.frequency"], 800)
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self.assertEqual(metrics["cpu.user.time"], 26728850000000L)
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self.assertEqual(metrics["cpu.kernel.time"], 5664160000000L)
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self.assertEqual(metrics["cpu.idle.time"], 1592705190000000L)
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self.assertEqual(metrics["cpu.iowait.time"], 6121490000000L)
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self.assertTrue(metrics["cpu.user.percent"] <= 1
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and metrics["cpu.user.percent"] >= 0)
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self.assertTrue(metrics["cpu.kernel.percent"] <= 1
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and metrics["cpu.kernel.percent"] >= 0)
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self.assertTrue(metrics["cpu.idle.percent"] <= 1
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and metrics["cpu.idle.percent"] >= 0)
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self.assertTrue(metrics["cpu.iowait.percent"] <= 1
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and metrics["cpu.iowait.percent"] >= 0)
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self.assertTrue(metrics["cpu.percent"] <= 1
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and metrics["cpu.percent"] >= 0)
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