#
# 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')