361 lines
12 KiB
Python
361 lines
12 KiB
Python
# Copyright 2015 CloudFounders NV
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Mock basic unit tests for the OVS Cinder Plugin
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"""
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import mock
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from cinder import test
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import cinder.volume.drivers.openvstorage as ovsvd
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# MOCKUPS
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MOCK_hostname = 'test-hostname'
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MOCK_mountpoint = '/mnt/test'
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MOCK_vdisk_guid = '0000'
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MOCK_vdisk_guid2 = '1111'
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MOCK_vdisk_guid3 = '2222'
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MOCK_vdisk_devicename = 'volume-test.raw'
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MOCK_vdisk_devicename2 = 'volume-test-clone.raw'
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MOCK_vdisk_devicename3 = 'volume-test-template.raw'
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MOCK_vdisk_disk_info = {'object_type': 'DISK'}
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MOCK_vdisk_disk_info_template = {'object_type': 'TEMPLATE'}
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MOCK_volume_name = 'volume-test'
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MOCK_volume_name2 = 'volume-test-clone'
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MOCK_volume_name3 = 'volume-test-template'
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MOCK_volume_size = 10
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MOCK_volume_size_extend = 20
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MOCK_volume_type_id = 'RANDOM'
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MOCK_volume_id = '0'
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MOCK_volume_id2 = '1'
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MOCK_volume_id3 = '3'
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MOCK_volume_provider_location = '{0}/{1}'.format(
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MOCK_mountpoint, MOCK_vdisk_devicename)
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MOCK_volume_provider_location2 = '{0}/{1}'.format(
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MOCK_mountpoint, MOCK_vdisk_devicename2)
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MOCK_volume_provider_location3 = '{0}/{1}'.format(
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MOCK_mountpoint, MOCK_vdisk_devicename3)
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MOCK_snapshot_id = '1234'
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MOCK_snapshot_display_name = 'test-snapshot'
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MOCK_pmachine_guid = '1111'
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MOCK_image_id = '9999'
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CALLED = {}
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class MockVDiskController():
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def create_volume(self, location, size):
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CALLED['create_volume'] = {'location': location, 'size': size}
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def delete_volume(self, location):
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CALLED['delete_volume'] = {'location': location}
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def extend_volume(self, location, size):
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CALLED['extend_volume'] = {'location': location, 'size': size}
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def clone(self, diskguid, snapshotid, devicename, pmachineguid,
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machinename, machineguid):
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CALLED['clone_volume'] = diskguid
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return {'backingdevice': '/%s.raw' % devicename,
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'diskguid': diskguid}
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def create_snapshot(self, diskguid, metadata, snapshotid):
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CALLED['create_snapshot'] = diskguid
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def delete_snapshot(self, diskguid, snapshotid):
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CALLED['delete_snapshot'] = diskguid
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def create_from_template(self, diskguid, machinename, devicename,
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pmachineguid, machineguid, storagedriver_guid):
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CALLED['create_from_template'] = diskguid
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return {'backingdevice': '/%s.raw' % devicename,
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'diskguid': diskguid}
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class MockStorageRouter():
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name = MOCK_hostname
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class MockStorageDriver():
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storagerouter = MockStorageRouter()
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mountpoint = MOCK_mountpoint
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class MockVPool():
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storagedrivers = [MockStorageDriver()]
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class MockVDisk():
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vpool = MockVPool()
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cinder_id = None
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snapshots = []
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vmachine_guid = None
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def __init__(self, guid = MOCK_vdisk_guid,
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devicename = None,
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info = MOCK_vdisk_disk_info):
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self.guid = guid
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self.devicename = devicename
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self.info = info
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if guid == MOCK_vdisk_guid and not devicename:
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self.devicename = MOCK_vdisk_devicename
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elif guid == MOCK_vdisk_guid2 and not devicename:
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self.devicename = MOCK_vdisk_devicename2
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elif guid == MOCK_vdisk_guid3 and not devicename:
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self.devicename = MOCK_vdisk_devicename3
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self.info = {'object_type': 'TEMPLATE'}
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def save(self):
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pass
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class MockPMachine():
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guid = MOCK_pmachine_guid
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storagerouters = [MockStorageRouter()]
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def __init__(self):
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pass
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class MockVPoolList():
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def get_vpool_by_name(self, name):
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return MockVPool()
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class MockVDiskList():
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def __init__(self, vdisks = None):
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self.vdisks = vdisks
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if not vdisks:
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self.vdisks = [MockVDisk()]
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def get_vdisks(self):
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return self.vdisks
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class MockPMachineList():
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def get_pmachines(self):
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return [MockPMachine()]
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class MOCK_log():
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def debug(self, *args, **kwargs):
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pass
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def error(self, *args, **kwargs):
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pass
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def info(self, *args, **kwargs):
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pass
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def exception(self, *args, **kwargs):
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pass
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class MOCK_Context():
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pass
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class MOCK_ImageService():
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pass
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class MOCK_ImageUtils():
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def fetch_to_raw(self, context, image_service, image_id, destination_path,
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block_size, size, run_as_root=False):
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CALLED['ImageUtils_fetch_to_raw'] = (destination_path, size)
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class MOCK_volume():
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host = MOCK_hostname
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size = MOCK_volume_size
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volume_type_id = MOCK_volume_type_id
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def __init__(self, display_name = MOCK_volume_name, id = MOCK_volume_id,
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provider_location = None):
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self.display_name = display_name
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self.id = id
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self.provider_location = provider_location
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if self.id == MOCK_volume_id:
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self.provider_location = MOCK_volume_provider_location
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elif self.id == MOCK_volume_id2:
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self.provider_location = MOCK_volume_provider_location2
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elif self.id == MOCK_volume_id3:
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self.provider_location = MOCK_volume_provider_location3
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def __setitem__(self, attribute, value):
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setattr(self, attribute, value)
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def __getitem__(self, attribute):
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return getattr(self, attribute)
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class MOCK_snapshot():
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volume = MOCK_volume()
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display_name = MOCK_snapshot_display_name
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id = MOCK_snapshot_id
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# Fake Modules
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class vdiskhybrid():
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VDisk = MockVDisk
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class pmachinelist():
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PMachineList = MockPMachineList()
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class vdisklist():
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def __init__(self, vdisks):
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self.VDiskList = MockVDiskList(vdisks)
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class vpoollist():
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VPoolList = MockVPoolList()
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class vdisklib():
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VDiskController = MockVDiskController()
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class OVSPluginBaseTestCase(test.TestCase):
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"""Basic tests - mocked
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"""
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def setUp(self):
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vdisk1 = MockVDisk(MOCK_vdisk_guid, MOCK_vdisk_devicename)
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vdisk2 = MockVDisk(MOCK_vdisk_guid2, MOCK_vdisk_devicename2)
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vdisk3 = MockVDisk(MOCK_vdisk_guid3, MOCK_vdisk_devicename3)
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super(OVSPluginBaseTestCase, self).setUp()
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ovsvd.vdiskhybrid = vdiskhybrid()
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ovsvd.vpoollist = vpoollist()
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ovsvd.vdisklist = vdisklist([vdisk1, vdisk2, vdisk3])
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ovsvd.vdisklib = vdisklib()
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ovsvd.pmachinelist = pmachinelist()
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ovsvd.LOG = MOCK_log()
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ovsvd.image_utils = MOCK_ImageUtils()
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self.driver = ovsvd.OVSVolumeDriver(configuration = mock.Mock())
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def tearDown(self):
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super(OVSPluginBaseTestCase, self).tearDown()
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def test__get_hostname_mountpoint(self):
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mountpoint = self.driver._get_hostname_mountpoint(MOCK_hostname)
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self.assertTrue(mountpoint == MOCK_mountpoint, 'Wrong mountpoint')
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def test__find_ovs_model_disk_by_location(self):
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location = '{0}/{1}'.format(MOCK_mountpoint, MOCK_vdisk_devicename)
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vdisk = self.driver._find_ovs_model_disk_by_location(location,
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MOCK_hostname)
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self.assertTrue(vdisk.devicename == MOCK_vdisk_devicename,
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'Wrong devicename')
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def test_create_volume_mock(self):
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result = self.driver.create_volume(MOCK_volume())
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self.assertTrue(result['provider_location'] == '{0}/{1}.raw'.format(
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MOCK_mountpoint, MOCK_volume_name), 'Wrong location')
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self.assertTrue(CALLED['create_volume'] ==
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{'location': MOCK_volume_provider_location,
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'size': MOCK_volume_size},
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'Wrong params')
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def test_delete_volume_mock(self):
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self.driver.delete_volume(MOCK_volume())
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self.assertTrue(CALLED['delete_volume'] ==
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{'location': MOCK_volume_provider_location},
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'Wrong params')
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def test_extend_volume(self):
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self.driver.extend_volume(MOCK_volume(), MOCK_volume_size_extend)
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self.assertTrue(CALLED['extend_volume'] ==
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{'location': MOCK_volume_provider_location,
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'size': MOCK_volume_size_extend},
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'Wrong params')
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def test_copy_image_to_volume(self):
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self.driver.copy_image_to_volume(MOCK_Context(), MOCK_volume(),
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MOCK_ImageService(), MOCK_image_id)
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self.assertTrue(CALLED['delete_volume'] ==
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{'location': MOCK_volume_provider_location},
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'Wrong params')
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self.assertTrue(CALLED['ImageUtils_fetch_to_raw'] ==
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(MOCK_volume_provider_location, MOCK_volume_size),
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'Wrong params')
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self.assertTrue(CALLED['extend_volume'] ==
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{'location': MOCK_volume_provider_location,
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'size': MOCK_volume_size},
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'Wrong params')
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# Test_copy_volume_to_image actually tests the standard behaviour of
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# the super class, not our own specific code
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def test_create_cloned_volume_template(self):
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target_volume = MOCK_volume(MOCK_volume_name2, MOCK_volume_id2,
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MOCK_volume_provider_location2)
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source_volume = MOCK_volume(MOCK_volume_name3, MOCK_volume_id3,
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MOCK_volume_provider_location3)
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result = self.driver.create_cloned_volume(target_volume,
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source_volume)
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self.assertTrue(CALLED['create_from_template'] ==
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MOCK_vdisk_guid3,
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'Wrong params')
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self.assertTrue(result['provider_location'] ==
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MOCK_volume_provider_location2,
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'Wrong result %s' % result['provider_location'])
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def test_create_cloned_volume_volume(self):
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target_volume = MOCK_volume(MOCK_volume_name2, MOCK_volume_id2,
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MOCK_volume_provider_location2)
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source_volume = MOCK_volume(MOCK_volume_name, MOCK_volume_id,
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MOCK_volume_provider_location)
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result = self.driver.create_cloned_volume(target_volume,
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source_volume)
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self.assertTrue(CALLED['create_snapshot'] ==
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MOCK_vdisk_guid,
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'Wrong params')
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self.assertTrue(CALLED['clone_volume'] ==
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MOCK_vdisk_guid,
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'Wrong params')
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self.assertTrue(result['provider_location'] ==
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MOCK_volume_provider_location2,
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'Wrong result %s' % result['provider_location'])
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def test_create_snapshot(self):
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snapshot = MOCK_snapshot()
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self.driver.create_snapshot(snapshot)
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self.assertTrue(CALLED['create_snapshot'] == MOCK_vdisk_guid,
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'Wrong params')
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def test_delete_snapshot(self):
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snapshot = MOCK_snapshot()
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self.driver.delete_snapshot(snapshot)
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self.assertTrue(CALLED['delete_snapshot'] == MOCK_vdisk_guid,
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'Wrong params')
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def create_volume_from_snapshot(self):
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new_volume = MOCK_volume(MOCK_volume_name2, MOCK_volume_id2,
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MOCK_volume_provider_location2)
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snapshot = MOCK_snapshot()
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result = self.driver.create_volume_from_snapshot(new_volume, snapshot)
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self.assertTrue(CALLED['clone_volume'] ==
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MOCK_vdisk_guid,
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'Wrong params')
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self.assertTrue(result['provider_location'] ==
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MOCK_volume_provider_location2,
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'Wrong result %s' % result['provider_location'])
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