449 lines
20 KiB
Python
449 lines
20 KiB
Python
# Copyright 2012 Red Hat, Inc
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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 libvirt inspector.
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"""
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import fixtures
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import mock
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from oslo_utils import units
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from oslotest import base
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from ceilometer.compute.virt import inspector as virt_inspector
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from ceilometer.compute.virt.libvirt import inspector as libvirt_inspector
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from ceilometer.compute.virt.libvirt import utils
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from ceilometer import service
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class FakeLibvirtError(Exception):
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pass
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class VMInstance(object):
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id = 'ff58e738-12f4-4c58-acde-77617b68da56'
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name = 'instance-00000001'
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class TestLibvirtInspection(base.BaseTestCase):
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def setUp(self):
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super(TestLibvirtInspection, self).setUp()
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conf = service.prepare_service([], [])
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self.instance = VMInstance()
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libvirt_inspector.libvirt = mock.Mock()
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libvirt_inspector.libvirt.getVersion.return_value = 5001001
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libvirt_inspector.libvirt.VIR_DOMAIN_SHUTOFF = 5
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libvirt_inspector.libvirt.libvirtError = FakeLibvirtError
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utils.libvirt = libvirt_inspector.libvirt
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=None):
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self.inspector = libvirt_inspector.LibvirtInspector(conf)
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def test_inspect_instance_stats(self):
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domain = mock.Mock()
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domain.info.return_value = (0, 0, 0, 2, 999999)
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domain.memoryStats.return_value = {'available': 51200,
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'unused': 25600,
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'rss': 30000}
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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conn.domainListGetStats.return_value = [({}, {
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'cpu.time': 999999,
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'vcpu.maximum': 4,
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'vcpu.current': 2,
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'vcpu.0.time': 10000,
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'vcpu.0.wait': 10000,
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'vcpu.2.time': 10000,
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'vcpu.2.wait': 10000,
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'perf.cmt': 90112,
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'perf.cpu_cycles': 7259361,
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'perf.instructions': 8815623,
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'perf.cache_references': 74184,
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'perf.cache_misses': 16737,
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'perf.mbmt': 1892352,
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'perf.mbml': 1802240})]
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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stats = self.inspector.inspect_instance(self.instance, None)
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self.assertEqual(2, stats.cpu_number)
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self.assertEqual(40000, stats.cpu_time)
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self.assertEqual(90112, stats.cpu_l3_cache_usage)
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self.assertEqual(25600 / units.Ki, stats.memory_usage)
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self.assertEqual(30000 / units.Ki, stats.memory_resident)
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self.assertEqual(1892352, stats.memory_bandwidth_total)
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self.assertEqual(1802240, stats.memory_bandwidth_local)
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self.assertEqual(7259361, stats.cpu_cycles)
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self.assertEqual(8815623, stats.instructions)
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self.assertEqual(74184, stats.cache_references)
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self.assertEqual(16737, stats.cache_misses)
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def test_inspect_instance_stats_fallback_cpu_time(self):
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domain = mock.Mock()
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domain.info.return_value = (0, 0, 0, 2, 20000)
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domain.memoryStats.return_value = {'available': 51200,
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'unused': 25600,
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'rss': 30000}
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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conn.domainListGetStats.return_value = [({}, {
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'vcpu.current': 2,
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'vcpu.maximum': 4,
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'vcpu.0.time': 10000,
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'vcpu.1.time': 10000,
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'cpu.time': 999999})]
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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stats = self.inspector.inspect_instance(self.instance)
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self.assertEqual(2, stats.cpu_number)
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self.assertEqual(999999, stats.cpu_time)
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def test_inspect_cpus_with_domain_shutoff(self):
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domain = mock.Mock()
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domain.info.return_value = (5, 0, 0, 2, 999999)
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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self.assertRaises(virt_inspector.InstanceShutOffException,
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self.inspector.inspect_instance,
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self.instance, None)
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def test_inspect_vnics(self):
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dom_xml = """
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<domain type='kvm'>
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<devices>
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<!-- NOTE(dprince): interface with no target -->
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<interface type='bridge'>
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<mac address='fa:16:3e:93:31:5a'/>
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<source bridge='br100'/>
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<model type='virtio'/>
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<address type='pci' domain='0x0000' bus='0x00' \
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slot='0x03' function='0x0'/>
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</interface>
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<!-- NOTE(dprince): interface with no mac -->
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<interface type='bridge'>
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<source bridge='br100'/>
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<target dev='foo'/>
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<model type='virtio'/>
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<address type='pci' domain='0x0000' bus='0x00' \
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slot='0x03' function='0x0'/>
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</interface>
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<interface type='bridge'>
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<mac address='fa:16:3e:71:ec:6d'/>
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<source bridge='br100'/>
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<target dev='vnet0'/>
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<filterref filter=
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'nova-instance-00000001-fa163e71ec6d'>
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<parameter name='DHCPSERVER' value='10.0.0.1'/>
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<parameter name='IP' value='10.0.0.2'/>
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<parameter name='PROJMASK' value='255.255.255.0'/>
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<parameter name='PROJNET' value='10.0.0.0'/>
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</filterref>
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<alias name='net0'/>
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</interface>
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<interface type='bridge'>
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<mac address='fa:16:3e:71:ec:6e'/>
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<source bridge='br100'/>
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<target dev='vnet1'/>
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<filterref filter=
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'nova-instance-00000001-fa163e71ec6e'>
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<parameter name='DHCPSERVER' value='192.168.0.1'/>
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<parameter name='IP' value='192.168.0.2'/>
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<parameter name='PROJMASK' value='255.255.255.0'/>
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<parameter name='PROJNET' value='192.168.0.0'/>
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</filterref>
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<alias name='net1'/>
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</interface>
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<interface type='bridge'>
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<mac address='fa:16:3e:96:33:f0'/>
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<source bridge='qbr420008b3-7c'/>
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<target dev='vnet2'/>
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<model type='virtio'/>
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<address type='pci' domain='0x0000' bus='0x00' \
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slot='0x03' function='0x0'/>
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</interface>
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</devices>
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</domain>
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"""
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interface_stats = {
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'vnet0': (1, 2, 0, 0, 3, 4, 0, 0),
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'vnet1': (5, 6, 0, 0, 7, 8, 0, 0),
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'vnet2': (9, 10, 0, 0, 11, 12, 0, 0),
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}
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interfaceStats = interface_stats.__getitem__
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domain = mock.Mock()
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domain.XMLDesc.return_value = dom_xml
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domain.info.return_value = (0, 0, 0, 2, 999999)
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domain.interfaceStats.side_effect = interfaceStats
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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interfaces = list(self.inspector.inspect_vnics(
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self.instance, None))
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self.assertEqual(3, len(interfaces))
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vnic0 = interfaces[0]
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self.assertEqual('vnet0', vnic0.name)
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self.assertEqual('fa:16:3e:71:ec:6d', vnic0.mac)
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self.assertEqual('nova-instance-00000001-fa163e71ec6d', vnic0.fref)
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self.assertEqual('255.255.255.0', vnic0.parameters.get('projmask'))
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self.assertEqual('10.0.0.2', vnic0.parameters.get('ip'))
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self.assertEqual('10.0.0.0', vnic0.parameters.get('projnet'))
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self.assertEqual('10.0.0.1', vnic0.parameters.get('dhcpserver'))
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self.assertEqual(1, vnic0.rx_bytes)
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self.assertEqual(2, vnic0.rx_packets)
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self.assertEqual(3, vnic0.tx_bytes)
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self.assertEqual(4, vnic0.tx_packets)
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vnic1 = interfaces[1]
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self.assertEqual('vnet1', vnic1.name)
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self.assertEqual('fa:16:3e:71:ec:6e', vnic1.mac)
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self.assertEqual('nova-instance-00000001-fa163e71ec6e', vnic1.fref)
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self.assertEqual('255.255.255.0', vnic1.parameters.get('projmask'))
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self.assertEqual('192.168.0.2', vnic1.parameters.get('ip'))
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self.assertEqual('192.168.0.0', vnic1.parameters.get('projnet'))
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self.assertEqual('192.168.0.1', vnic1.parameters.get('dhcpserver'))
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self.assertEqual(5, vnic1.rx_bytes)
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self.assertEqual(6, vnic1.rx_packets)
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self.assertEqual(7, vnic1.tx_bytes)
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self.assertEqual(8, vnic1.tx_packets)
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vnic2 = interfaces[2]
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self.assertEqual('vnet2', vnic2.name)
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self.assertEqual('fa:16:3e:96:33:f0', vnic2.mac)
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self.assertIsNone(vnic2.fref)
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self.assertEqual(dict(), vnic2.parameters)
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self.assertEqual(9, vnic2.rx_bytes)
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self.assertEqual(10, vnic2.rx_packets)
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self.assertEqual(11, vnic2.tx_bytes)
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self.assertEqual(12, vnic2.tx_packets)
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def test_inspect_vnics_with_domain_shutoff(self):
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domain = mock.Mock()
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domain.info.return_value = (5, 0, 0, 2, 999999)
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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inspect = self.inspector.inspect_vnics
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self.assertRaises(virt_inspector.InstanceShutOffException,
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list, inspect(self.instance, None))
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def test_inspect_disks(self):
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dom_xml = """
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<domain type='kvm'>
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<devices>
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<disk type='file' device='disk'>
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<driver name='qemu' type='qcow2' cache='none'/>
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<source file='/path/instance-00000001/disk'/>
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<target dev='vda' bus='virtio'/>
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<alias name='virtio-disk0'/>
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<address type='pci' domain='0x0000' bus='0x00'
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slot='0x04' function='0x0'/>
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</disk>
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</devices>
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</domain>
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"""
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domain = mock.Mock()
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domain.XMLDesc.return_value = dom_xml
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domain.info.return_value = (0, 0, 0, 2, 999999)
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domain.blockStats.return_value = (1, 2, 3, 4, -1)
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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disks = list(self.inspector.inspect_disks(self.instance, None))
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self.assertEqual(1, len(disks))
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self.assertEqual('vda', disks[0].device)
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self.assertEqual(1, disks[0].read_requests)
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self.assertEqual(2, disks[0].read_bytes)
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self.assertEqual(3, disks[0].write_requests)
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self.assertEqual(4, disks[0].write_bytes)
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def test_inspect_disks_with_domain_shutoff(self):
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domain = mock.Mock()
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domain.info.return_value = (5, 0, 0, 2, 999999)
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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inspect = self.inspector.inspect_disks
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self.assertRaises(virt_inspector.InstanceShutOffException,
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list, inspect(self.instance, None))
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def test_inspect_disk_info(self):
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dom_xml = """
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<domain type='kvm'>
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<devices>
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<disk type='file' device='disk'>
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<driver name='qemu' type='qcow2' cache='none'/>
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<source file='/path/instance-00000001/disk'/>
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<target dev='vda' bus='virtio'/>
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<alias name='virtio-disk0'/>
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<address type='pci' domain='0x0000' bus='0x00'
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slot='0x04' function='0x0'/>
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</disk>
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</devices>
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</domain>
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"""
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domain = mock.Mock()
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domain.XMLDesc.return_value = dom_xml
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domain.blockInfo.return_value = (1, 2, 3, -1)
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domain.info.return_value = (0, 0, 0, 2, 999999)
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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disks = list(self.inspector.inspect_disk_info(
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self.instance, None))
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self.assertEqual(1, len(disks))
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self.assertEqual('vda', disks[0].device)
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self.assertEqual(1, disks[0].capacity)
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self.assertEqual(2, disks[0].allocation)
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self.assertEqual(3, disks[0].physical)
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def test_inspect_disk_info_network_type(self):
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dom_xml = """
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<domain type='kvm'>
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<devices>
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<disk type='network' device='disk'>
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<driver name='qemu' type='qcow2' cache='none'/>
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<source file='/path/instance-00000001/disk'/>
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<target dev='vda' bus='virtio'/>
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<alias name='virtio-disk0'/>
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<address type='pci' domain='0x0000' bus='0x00'
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slot='0x04' function='0x0'/>
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</disk>
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</devices>
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</domain>
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"""
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domain = mock.Mock()
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domain.XMLDesc.return_value = dom_xml
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domain.blockInfo.return_value = (1, 2, 3, -1)
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domain.info.return_value = (0, 0, 0, 2, 999999)
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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disks = list(self.inspector.inspect_disk_info(self.instance, None))
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self.assertEqual(0, len(disks))
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def test_inspect_disk_info_without_source_element(self):
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dom_xml = """
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<domain type='kvm'>
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<devices>
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<disk type='file' device='cdrom'>
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<driver name='qemu' type='raw' cache='none'/>
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<backingStore/>
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<target dev='hdd' bus='ide' tray='open'/>
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<readonly/>
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<alias name='ide0-1-1'/>
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<address type='drive' controller='0' bus='1'
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target='0' unit='1'/>
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</disk>
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</devices>
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</domain>
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"""
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domain = mock.Mock()
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domain.XMLDesc.return_value = dom_xml
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domain.blockInfo.return_value = (1, 2, 3, -1)
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domain.info.return_value = (0, 0, 0, 2, 999999)
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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disks = list(self.inspector.inspect_disk_info(self.instance, None))
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self.assertEqual(0, len(disks))
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def test_inspect_memory_usage_with_domain_shutoff(self):
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domain = mock.Mock()
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domain.info.return_value = (5, 0, 51200, 2, 999999)
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conn = mock.Mock()
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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self.assertRaises(virt_inspector.InstanceShutOffException,
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self.inspector.inspect_instance,
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self.instance, None)
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def test_inspect_memory_with_empty_stats(self):
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domain = mock.Mock()
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domain.info.return_value = (0, 0, 51200, 2, 999999)
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domain.memoryStats.return_value = {}
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conn = mock.Mock()
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conn.domainListGetStats.return_value = [({}, {})]
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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stats = self.inspector.inspect_instance(self.instance, None)
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self.assertIsNone(stats.memory_usage)
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self.assertIsNone(stats.memory_resident)
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def test_inspect_perf_events_libvirt_less_than_2_3_0(self):
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domain = mock.Mock()
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domain.info.return_value = (0, 0, 51200, 2, 999999)
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domain.memoryStats.return_value = {'rss': 0,
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'available': 51200,
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'unused': 25600}
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conn = mock.Mock()
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conn.domainListGetStats.return_value = [({}, {})]
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conn.lookupByUUIDString.return_value = domain
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with mock.patch('ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection', return_value=conn):
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stats = self.inspector.inspect_instance(self.instance, None)
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self.assertIsNone(stats.cpu_l3_cache_usage)
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self.assertIsNone(stats.memory_bandwidth_total)
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self.assertIsNone(stats.memory_bandwidth_local)
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self.assertIsNone(stats.cpu_cycles)
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self.assertIsNone(stats.instructions)
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self.assertIsNone(stats.cache_references)
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self.assertIsNone(stats.cache_misses)
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class TestLibvirtInspectionWithError(base.BaseTestCase):
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def setUp(self):
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super(TestLibvirtInspectionWithError, self).setUp()
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conf = service.prepare_service([], [])
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self.useFixture(fixtures.MonkeyPatch(
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'ceilometer.compute.virt.libvirt.utils.'
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'refresh_libvirt_connection',
|
|
mock.MagicMock(side_effect=[None, Exception('dummy')])))
|
|
libvirt_inspector.libvirt = mock.Mock()
|
|
libvirt_inspector.libvirt.libvirtError = FakeLibvirtError
|
|
utils.libvirt = libvirt_inspector.libvirt
|
|
self.inspector = libvirt_inspector.LibvirtInspector(conf)
|
|
|
|
def test_inspect_unknown_error(self):
|
|
self.assertRaises(virt_inspector.InspectorException,
|
|
self.inspector.inspect_instance, 'foo', None)
|