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

#
# Copyright 2012 eNovance <licensing@enovance.com>
# Copyright 2012 Red Hat, Inc
# Copyright 2014 Cisco Systems, 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 mock
from oslotest import mockpatch

from ceilometer.agent import manager
from ceilometer.compute.pollsters import disk
from ceilometer.compute.virt import inspector as virt_inspector
import ceilometer.tests.base as base


[docs]class TestBaseDiskIO(base.BaseTestCase): TYPE = 'cumulative'
[docs] def setUp(self): super(TestBaseDiskIO, self).setUp() self.inspector = mock.Mock() self.instance = self._get_fake_instances() patch_virt = mockpatch.Patch( 'ceilometer.compute.virt.inspector.get_hypervisor_inspector', new=mock.Mock(return_value=self.inspector)) self.useFixture(patch_virt) # as we're having lazy hypervisor inspector singleton object in the # base compute pollster class, that leads to the fact that we # need to mock all this class property to avoid context sharing between # the tests patch_inspector = mockpatch.Patch( 'ceilometer.compute.pollsters.BaseComputePollster.inspector', self.inspector) self.useFixture(patch_inspector)
@staticmethod def _get_fake_instances(): instances = [] for i in [1, 2]: instance = mock.MagicMock() instance.name = 'instance-%s' % i setattr(instance, 'OS-EXT-SRV-ATTR:instance_name', instance.name) instance.id = i instance.flavor = {'name': 'm1.small', 'id': 2, 'vcpus': 1, 'ram': 512, 'disk': 20, 'ephemeral': 0} instance.status = 'active' instances.append(instance) return instances @mock.patch('ceilometer.pipeline.setup_pipeline', mock.MagicMock()) def _check_get_samples(self, factory, name, expected_count=2): pollster = factory() mgr = manager.AgentManager() cache = {} samples = list(pollster.get_samples(mgr, cache, self.instance)) self.assertIsNotEmpty(samples) cache_key = getattr(pollster, self.CACHE_KEY) self.assertIn(cache_key, cache) for instance in self.instance: self.assertIn(instance.id, cache[cache_key]) self.assertEqual(set([name]), set([s.name for s in samples])) match = [s for s in samples if s.name == name] self.assertEqual(len(match), expected_count, 'missing counter %s' % name) return match def _check_aggregate_samples(self, factory, name, expected_volume, expected_device=None): match = self._check_get_samples(factory, name) self.assertEqual(expected_volume, match[0].volume) self.assertEqual(self.TYPE, match[0].type) if expected_device is not None: self.assertEqual(set(expected_device), set(match[0].resource_metadata.get('device'))) instances = [i.id for i in self.instance] for m in match: self.assertIn(m.resource_id, instances) def _check_per_device_samples(self, factory, name, expected_volume, expected_device=None): match = self._check_get_samples(factory, name, expected_count=4) match_dict = {} for m in match: match_dict[m.resource_id] = m for instance in self.instance: key = "%s-%s" % (instance.id, expected_device) self.assertEqual(expected_volume, match_dict[key].volume) self.assertEqual(self.TYPE, match_dict[key].type) self.assertEqual(key, match_dict[key].resource_id)
[docs]class TestDiskPollsters(TestBaseDiskIO): DISKS = [ (virt_inspector.Disk(device='vda1'), virt_inspector.DiskStats(read_bytes=1, read_requests=2, write_bytes=3, write_requests=4, errors=-1)), (virt_inspector.Disk(device='vda2'), virt_inspector.DiskStats(read_bytes=2, read_requests=3, write_bytes=5, write_requests=7, errors=-1)), ] CACHE_KEY = "CACHE_KEY_DISK"
[docs] def setUp(self): super(TestDiskPollsters, self).setUp() self.inspector.inspect_disks = mock.Mock(return_value=self.DISKS)
[docs] def test_disk_read_requests(self): self._check_aggregate_samples(disk.ReadRequestsPollster, 'disk.read.requests', 5, expected_device=['vda1', 'vda2'])
[docs] def test_disk_read_bytes(self): self._check_aggregate_samples(disk.ReadBytesPollster, 'disk.read.bytes', 3, expected_device=['vda1', 'vda2'])
[docs] def test_disk_write_requests(self): self._check_aggregate_samples(disk.WriteRequestsPollster, 'disk.write.requests', 11, expected_device=['vda1', 'vda2'])
[docs] def test_disk_write_bytes(self): self._check_aggregate_samples(disk.WriteBytesPollster, 'disk.write.bytes', 8, expected_device=['vda1', 'vda2'])
[docs] def test_per_disk_read_requests(self): self._check_per_device_samples(disk.PerDeviceReadRequestsPollster, 'disk.device.read.requests', 2, 'vda1') self._check_per_device_samples(disk.PerDeviceReadRequestsPollster, 'disk.device.read.requests', 3, 'vda2')
[docs] def test_per_disk_write_requests(self): self._check_per_device_samples(disk.PerDeviceWriteRequestsPollster, 'disk.device.write.requests', 4, 'vda1') self._check_per_device_samples(disk.PerDeviceWriteRequestsPollster, 'disk.device.write.requests', 7, 'vda2')
[docs] def test_per_disk_read_bytes(self): self._check_per_device_samples(disk.PerDeviceReadBytesPollster, 'disk.device.read.bytes', 1, 'vda1') self._check_per_device_samples(disk.PerDeviceReadBytesPollster, 'disk.device.read.bytes', 2, 'vda2')
[docs] def test_per_disk_write_bytes(self): self._check_per_device_samples(disk.PerDeviceWriteBytesPollster, 'disk.device.write.bytes', 3, 'vda1') self._check_per_device_samples(disk.PerDeviceWriteBytesPollster, 'disk.device.write.bytes', 5, 'vda2')
[docs]class TestDiskRatePollsters(TestBaseDiskIO): DISKS = [ (virt_inspector.Disk(device='disk1'), virt_inspector.DiskRateStats(1024, 300, 5120, 700)), (virt_inspector.Disk(device='disk2'), virt_inspector.DiskRateStats(2048, 400, 6144, 800)) ] TYPE = 'gauge' CACHE_KEY = "CACHE_KEY_DISK_RATE"
[docs] def setUp(self): super(TestDiskRatePollsters, self).setUp() self.inspector.inspect_disk_rates = mock.Mock(return_value=self.DISKS)
[docs] def test_disk_read_bytes_rate(self): self._check_aggregate_samples(disk.ReadBytesRatePollster, 'disk.read.bytes.rate', 3072, expected_device=['disk1', 'disk2'])
[docs] def test_disk_read_requests_rate(self): self._check_aggregate_samples(disk.ReadRequestsRatePollster, 'disk.read.requests.rate', 700, expected_device=['disk1', 'disk2'])
[docs] def test_disk_write_bytes_rate(self): self._check_aggregate_samples(disk.WriteBytesRatePollster, 'disk.write.bytes.rate', 11264, expected_device=['disk1', 'disk2'])
[docs] def test_disk_write_requests_rate(self): self._check_aggregate_samples(disk.WriteRequestsRatePollster, 'disk.write.requests.rate', 1500, expected_device=['disk1', 'disk2'])
[docs] def test_per_disk_read_bytes_rate(self): self._check_per_device_samples(disk.PerDeviceReadBytesRatePollster, 'disk.device.read.bytes.rate', 1024, 'disk1') self._check_per_device_samples(disk.PerDeviceReadBytesRatePollster, 'disk.device.read.bytes.rate', 2048, 'disk2')
[docs] def test_per_disk_read_requests_rate(self): self._check_per_device_samples(disk.PerDeviceReadRequestsRatePollster, 'disk.device.read.requests.rate', 300, 'disk1') self._check_per_device_samples(disk.PerDeviceReadRequestsRatePollster, 'disk.device.read.requests.rate', 400, 'disk2')
[docs] def test_per_disk_write_bytes_rate(self): self._check_per_device_samples(disk.PerDeviceWriteBytesRatePollster, 'disk.device.write.bytes.rate', 5120, 'disk1') self._check_per_device_samples(disk.PerDeviceWriteBytesRatePollster, 'disk.device.write.bytes.rate', 6144, 'disk2')
[docs] def test_per_disk_write_requests_rate(self): self._check_per_device_samples(disk.PerDeviceWriteRequestsRatePollster, 'disk.device.write.requests.rate', 700, 'disk1') self._check_per_device_samples(disk.PerDeviceWriteRequestsRatePollster, 'disk.device.write.requests.rate', 800, 'disk2')
[docs]class TestDiskLatencyPollsters(TestBaseDiskIO): DISKS = [ (virt_inspector.Disk(device='disk1'), virt_inspector.DiskLatencyStats(1000)), (virt_inspector.Disk(device='disk2'), virt_inspector.DiskLatencyStats(2000)) ] TYPE = 'gauge' CACHE_KEY = "CACHE_KEY_DISK_LATENCY"
[docs] def setUp(self): super(TestDiskLatencyPollsters, self).setUp() self.inspector.inspect_disk_latency = mock.Mock( return_value=self.DISKS)
[docs] def test_disk_latency(self): self._check_aggregate_samples(disk.DiskLatencyPollster, 'disk.latency', 3)
[docs] def test_per_device_latency(self): self._check_per_device_samples(disk.PerDeviceDiskLatencyPollster, 'disk.device.latency', 1, 'disk1') self._check_per_device_samples(disk.PerDeviceDiskLatencyPollster, 'disk.device.latency', 2, 'disk2')
[docs]class TestDiskIOPSPollsters(TestBaseDiskIO): DISKS = [ (virt_inspector.Disk(device='disk1'), virt_inspector.DiskIOPSStats(10)), (virt_inspector.Disk(device='disk2'), virt_inspector.DiskIOPSStats(20)), ] TYPE = 'gauge' CACHE_KEY = "CACHE_KEY_DISK_IOPS"
[docs] def setUp(self): super(TestDiskIOPSPollsters, self).setUp() self.inspector.inspect_disk_iops = mock.Mock(return_value=self.DISKS)
[docs] def test_disk_iops(self): self._check_aggregate_samples(disk.DiskIOPSPollster, 'disk.iops', 30)
[docs] def test_per_device_iops(self): self._check_per_device_samples(disk.PerDeviceDiskIOPSPollster, 'disk.device.iops', 10, 'disk1') self._check_per_device_samples(disk.PerDeviceDiskIOPSPollster, 'disk.device.iops', 20, 'disk2')
[docs]class TestDiskInfoPollsters(TestBaseDiskIO): DISKS = [ (virt_inspector.Disk(device='vda1'), virt_inspector.DiskInfo(capacity=3, allocation=2, physical=1)), (virt_inspector.Disk(device='vda2'), virt_inspector.DiskInfo(capacity=4, allocation=3, physical=2)), ] TYPE = 'gauge' CACHE_KEY = "CACHE_KEY_DISK_INFO"
[docs] def setUp(self): super(TestDiskInfoPollsters, self).setUp() self.inspector.inspect_disk_info = mock.Mock(return_value=self.DISKS)
[docs] def test_disk_capacity(self): self._check_aggregate_samples(disk.CapacityPollster, 'disk.capacity', 7, expected_device=['vda1', 'vda2'])
[docs] def test_disk_allocation(self): self._check_aggregate_samples(disk.AllocationPollster, 'disk.allocation', 5, expected_device=['vda1', 'vda2'])
[docs] def test_disk_physical(self): self._check_aggregate_samples(disk.PhysicalPollster, 'disk.usage', 3, expected_device=['vda1', 'vda2'])
[docs] def test_per_disk_capacity(self): self._check_per_device_samples(disk.PerDeviceCapacityPollster, 'disk.device.capacity', 3, 'vda1') self._check_per_device_samples(disk.PerDeviceCapacityPollster, 'disk.device.capacity', 4, 'vda2')
[docs] def test_per_disk_allocation(self): self._check_per_device_samples(disk.PerDeviceAllocationPollster, 'disk.device.allocation', 2, 'vda1') self._check_per_device_samples(disk.PerDeviceAllocationPollster, 'disk.device.allocation', 3, 'vda2')
[docs] def test_per_disk_physical(self): self._check_per_device_samples(disk.PerDevicePhysicalPollster, 'disk.device.usage', 1, 'vda1') self._check_per_device_samples(disk.PerDevicePhysicalPollster, 'disk.device.usage', 2, 'vda2')

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