Merge "Removing OpenvStorage for no CI"
This commit is contained in:
Jenkins
Gerrit Code Review
commit
57c6d7ff6f
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@ -1,360 +0,0 @@
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# 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(object):
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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(object):
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name = MOCK_hostname
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class MockStorageDriver(object):
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storagerouter = MockStorageRouter()
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mountpoint = MOCK_mountpoint
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class MockVPool(object):
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storagedrivers = [MockStorageDriver()]
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class MockVDisk(object):
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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(object):
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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(object):
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def get_vpool_by_name(self, name):
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return MockVPool()
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class MockVDiskList(object):
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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(object):
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def get_pmachines(self):
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return [MockPMachine()]
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class MOCK_log(object):
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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(object):
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pass
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class MOCK_ImageService(object):
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pass
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class MOCK_ImageUtils(object):
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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(object):
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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(object):
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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(object):
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VDisk = MockVDisk
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class pmachinelist(object):
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PMachineList = MockPMachineList()
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class vdisklist(object):
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def __init__(self, vdisks):
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self.VDiskList = MockVDiskList(vdisks)
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class vpoollist(object):
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VPoolList = MockVPoolList()
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class vdisklib(object):
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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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|
|
@ -1,551 +0,0 @@
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# Copyright 2015 CloudFounders NV
|
||||
#
|
||||
# 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.
|
||||
|
||||
"""
|
||||
OpenStack Cinder driver - interface to Open vStorage
|
||||
- uses Open vStorage library calls (VDiskController)
|
||||
- uses Cinder logging
|
||||
"""
|
||||
|
||||
import socket
|
||||
import time
|
||||
|
||||
# External libs: Open vStorage
|
||||
try:
|
||||
from ovs.dal.hybrids import vdisk as vdiskhybrid
|
||||
from ovs.dal.lists import pmachinelist
|
||||
from ovs.dal.lists import vdisklist
|
||||
from ovs.dal.lists import vpoollist
|
||||
from ovs.lib import vdisk as vdisklib
|
||||
except ImportError:
|
||||
# CI Testing, all external libs are mocked
|
||||
# or using the driver without all required libs
|
||||
vdiskhybrid = None
|
||||
pmachinelist = None
|
||||
vdisklist = None
|
||||
vpoollist = None
|
||||
vdisklib = None
|
||||
|
||||
from oslo_config import cfg
|
||||
from oslo_log import log as logging
|
||||
import six
|
||||
|
||||
from cinder import exception
|
||||
from cinder.i18n import _
|
||||
from cinder.image import image_utils
|
||||
from cinder.volume import driver
|
||||
|
||||
|
||||
LOG = logging.getLogger(__name__)
|
||||
HELP = 'Vpool to use for volumes - backend is defined by vpool not by us.'
|
||||
OPTS = [cfg.StrOpt('vpool_name',
|
||||
default = '',
|
||||
help = HELP)]
|
||||
|
||||
CONF = cfg.CONF
|
||||
CONF.register_opts(OPTS)
|
||||
|
||||
|
||||
class OVSVolumeDriver(driver.VolumeDriver):
|
||||
"""Open vStorage Volume Driver plugin for Cinder"""
|
||||
VERSION = '1.0.5'
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
"""Init: args, kwargs pass through;
|
||||
Options come from CONF
|
||||
"""
|
||||
super(OVSVolumeDriver, self).__init__(*args, **kwargs)
|
||||
LOG.debug('INIT %(pool_name)s %(arg)s %(kwarg)s ',
|
||||
{'pool_name': CONF.vpool_name, 'arg': args,
|
||||
'kwarg': kwargs})
|
||||
self.configuration.append_config_values(OPTS)
|
||||
self._vpool_name = self.configuration.vpool_name
|
||||
if vpoollist is not None:
|
||||
self._vp = vpoollist.VPoolList.get_vpool_by_name(self._vpool_name)
|
||||
else:
|
||||
self._vp = None
|
||||
|
||||
# Volume operations
|
||||
|
||||
def initialize_connection(self, volume, connector):
|
||||
"""Allow connection to connector and return connection info.
|
||||
Volume is a .raw file on a virtual filesystem.
|
||||
No specific action required, connection is allowed based
|
||||
on POSIX permissions
|
||||
"""
|
||||
|
||||
return {'driver_volume_type': 'local',
|
||||
'data': {'vpoolname': self._vpool_name,
|
||||
'device_path': volume.provider_location}}
|
||||
|
||||
def create_volume(self, volume):
|
||||
"""Creates a volume.
|
||||
Called on "cinder create ..." or "nova volume-create ..."
|
||||
:param volume: volume reference (sqlalchemy Model)
|
||||
"""
|
||||
|
||||
hostname = str(volume.host)
|
||||
name = volume.display_name
|
||||
if not name:
|
||||
name = volume.name
|
||||
mountpoint = self._get_hostname_mountpoint(hostname)
|
||||
location = '{}/{}.raw'.format(mountpoint, name)
|
||||
size = volume.size
|
||||
|
||||
LOG.debug('DO_CREATE_VOLUME %(location)s %(size)s',
|
||||
{'location': location, 'size': size})
|
||||
vdisklib.VDiskController.create_volume(location = location,
|
||||
size = size)
|
||||
volume['provider_location'] = location
|
||||
|
||||
try:
|
||||
ovs_disk = self._find_ovs_model_disk_by_location(location,
|
||||
hostname)
|
||||
except exception.VolumeBackendAPIException:
|
||||
vdisklib.VDiskController.delete_volume(location = location)
|
||||
raise
|
||||
|
||||
ovs_disk.cinder_id = volume.id
|
||||
ovs_disk.name = name
|
||||
ovs_disk.save()
|
||||
return {'provider_location': volume['provider_location']}
|
||||
|
||||
def delete_volume(self, volume):
|
||||
"""Deletes a logical volume.
|
||||
Called on "cinder delete ... "
|
||||
:param volume: volume reference (sqlalchemy Model)
|
||||
"""
|
||||
location = volume.provider_location
|
||||
if location is not None:
|
||||
LOG.debug('DO_DELETE_VOLUME %s', location)
|
||||
vdisklib.VDiskController.delete_volume(location = location)
|
||||
|
||||
def copy_image_to_volume(self, context, volume, image_service, image_id):
|
||||
"""Copy image to volume
|
||||
Called on "nova volume-create --image-id ..."
|
||||
or "cinder create --image-id"
|
||||
Downloads image from glance server into local .raw
|
||||
:param volume: volume reference (sqlalchemy Model)
|
||||
"""
|
||||
LOG.debug("CP_IMG_TO_VOL %(image_service)s %(image_id)s",
|
||||
{'image_service': image_service, 'image_id': image_id})
|
||||
|
||||
name = volume.display_name
|
||||
if not name:
|
||||
name = volume.name
|
||||
volume.display_name = volume.name
|
||||
|
||||
# Downloading from an existing image
|
||||
destination_path = volume.provider_location
|
||||
if destination_path:
|
||||
LOG.debug('CP_IMG_TO_VOL Deleting existing empty raw file %s ',
|
||||
destination_path)
|
||||
vdisklib.VDiskController.delete_volume(location = destination_path)
|
||||
LOG.debug('CP_IMG_TO_VOL Downloading image to %s',
|
||||
destination_path)
|
||||
image_utils.fetch_to_raw(context,
|
||||
image_service,
|
||||
image_id,
|
||||
destination_path,
|
||||
'1M',
|
||||
size = volume['size'],
|
||||
run_as_root = False)
|
||||
LOG.debug('CP_IMG_TO_VOL Resizing volume to size %s',
|
||||
volume['size'])
|
||||
self.extend_volume(volume = volume, size_gb = volume['size'])
|
||||
|
||||
ovs_disk = self._find_ovs_model_disk_by_location(
|
||||
volume.provider_location, str(volume.host))
|
||||
ovs_disk.name = name
|
||||
ovs_disk.save()
|
||||
|
||||
def copy_volume_to_image(self, context, volume, image_service, image_meta):
|
||||
"""Copy the volume to the specified image.
|
||||
Called on "cinder upload-to-image ...volume... ...image-name..."
|
||||
:param volume: volume reference (sqlalchemy Model)
|
||||
"""
|
||||
LOG.debug("CP_VOL_TO_IMG %(image_service)s %(image_meta)s",
|
||||
{'image_service': image_service, 'image_meta': image_meta})
|
||||
super(OVSVolumeDriver, self).copy_volume_to_image(
|
||||
context, volume, image_service, image_meta)
|
||||
|
||||
def create_cloned_volume(self, volume, src_vref):
|
||||
"""Create a cloned volume from another volume.
|
||||
Called on "cinder create --source-volid ... "
|
||||
|
||||
:param volume: volume reference - target volume (sqlalchemy Model)
|
||||
:param src_vref: volume reference - source volume (sqlalchemy Model)
|
||||
|
||||
OVS: Create clone from template if the source is a template
|
||||
Create volume from snapshot if the source is a volume
|
||||
- create snapshot of source volume if it doesn't have snapshots
|
||||
"""
|
||||
|
||||
mountpoint = self._get_hostname_mountpoint(str(volume.host))
|
||||
name = volume.display_name
|
||||
if not name:
|
||||
name = volume.name
|
||||
volume.display_name = volume.name
|
||||
|
||||
pmachineguid = self._find_ovs_model_pmachine_guid_by_hostname(
|
||||
six.text_type(volume.host))
|
||||
|
||||
# Source
|
||||
source_ovs_disk = self._find_ovs_model_disk_by_location(
|
||||
str(src_vref.provider_location), src_vref.host)
|
||||
if source_ovs_disk.info['object_type'] == 'TEMPLATE':
|
||||
LOG.debug('[CREATE_FROM_TEMPLATE] VDisk %s is a template',
|
||||
source_ovs_disk.devicename)
|
||||
|
||||
# Cloning from a template
|
||||
LOG.debug('[CREATE FROM TEMPLATE] ovs_disk %s ',
|
||||
source_ovs_disk.devicename)
|
||||
|
||||
disk_meta = vdisklib.VDiskController.create_from_template(
|
||||
diskguid = source_ovs_disk.guid,
|
||||
machinename = "",
|
||||
devicename = str(name),
|
||||
pmachineguid = pmachineguid,
|
||||
machineguid = None,
|
||||
storagedriver_guid = None)
|
||||
volume['provider_location'] = '{}{}'.format(
|
||||
mountpoint, disk_meta['backingdevice'])
|
||||
LOG.debug('[CREATE FROM TEMPLATE] New volume %s',
|
||||
volume['provider_location'])
|
||||
vdisk = vdiskhybrid.VDisk(disk_meta['diskguid'])
|
||||
vdisk.cinder_id = volume.id
|
||||
vdisk.name = name
|
||||
LOG.debug('[CREATE FROM TEMPLATE] Updating meta %(volume_id)s '
|
||||
'%(name)s', {'volume_id': volume.id, 'name': name})
|
||||
vdisk.save()
|
||||
else:
|
||||
LOG.debug('[THIN CLONE] VDisk %s is not a template',
|
||||
source_ovs_disk.devicename)
|
||||
# We do not support yet full volume clone
|
||||
# - requires "emancipate" functionality
|
||||
# So for now we'll take a snapshot
|
||||
# (or the latest snapshot existing) and clone from that snapshot
|
||||
if not len(source_ovs_disk.snapshots):
|
||||
metadata = {'label': "Cinder clone snapshot {0}".format(name),
|
||||
'is_consistent': False,
|
||||
'timestamp': time.time(),
|
||||
'machineguid': source_ovs_disk.vmachine_guid,
|
||||
'is_automatic': False}
|
||||
|
||||
LOG.debug('CREATE_SNAP %(name)s %(metadata)s',
|
||||
{'name': name, 'metadata': metadata})
|
||||
snapshotid = vdisklib.VDiskController.create_snapshot(
|
||||
diskguid = source_ovs_disk.guid,
|
||||
metadata = metadata,
|
||||
snapshotid = None)
|
||||
LOG.debug('CREATE_SNAP OK')
|
||||
|
||||
else:
|
||||
snapshotid = source_ovs_disk.snapshots[-1]['guid']
|
||||
LOG.debug('[CREATE CLONE FROM SNAP] %s ', snapshotid)
|
||||
|
||||
disk_meta = vdisklib.VDiskController.clone(
|
||||
diskguid = source_ovs_disk.guid,
|
||||
snapshotid = snapshotid,
|
||||
devicename = str(name),
|
||||
pmachineguid = pmachineguid,
|
||||
machinename = "",
|
||||
machineguid=None)
|
||||
volume['provider_location'] = '{}{}'.format(
|
||||
mountpoint, disk_meta['backingdevice'])
|
||||
|
||||
LOG.debug('[CLONE FROM SNAP] Meta: %s', str(disk_meta))
|
||||
LOG.debug('[CLONE FROM SNAP] New volume %s',
|
||||
volume['provider_location'])
|
||||
vdisk = vdiskhybrid.VDisk(disk_meta['diskguid'])
|
||||
vdisk.cinder_id = volume.id
|
||||
vdisk.name = name
|
||||
vdisk.save()
|
||||
return {'provider_location': volume['provider_location'],
|
||||
'display_name': volume['display_name']}
|
||||
|
||||
# Volumedriver stats
|
||||
|
||||
def get_volume_stats(self, refresh=False):
|
||||
"""Get volumedriver stats
|
||||
Refresh not implemented
|
||||
"""
|
||||
data = {}
|
||||
data['volume_backend_name'] = self._vpool_name
|
||||
data['vendor_name'] = 'Open vStorage'
|
||||
data['driver_version'] = self.VERSION
|
||||
data['storage_protocol'] = 'OVS'
|
||||
|
||||
data['total_capacity_gb'] = 'unknown'
|
||||
data['free_capacity_gb'] = 'unknown'
|
||||
data['reserved_percentage'] = 0
|
||||
data['QoS_support'] = False
|
||||
return data
|
||||
|
||||
# Snapshots operations
|
||||
|
||||
def create_snapshot(self, snapshot):
|
||||
"""Creates a snapshot.
|
||||
Called on "nova image-create " or "cinder snapshot-create "
|
||||
:param snapshot: snapshot reference (sqlalchemy Model)
|
||||
"""
|
||||
volume = snapshot.volume
|
||||
|
||||
hostname = volume.host
|
||||
location = volume.provider_location
|
||||
ovs_disk = self._find_ovs_model_disk_by_location(location, hostname)
|
||||
metadata = {'label': "{0} (OpenStack)".format(snapshot.display_name),
|
||||
'is_consistent': False,
|
||||
'timestamp': time.time(),
|
||||
'machineguid': ovs_disk.vmachine_guid,
|
||||
'is_automatic': False}
|
||||
|
||||
LOG.debug('CREATE_SNAP %(name)s %(metadata)s',
|
||||
{'name': snapshot.display_name, 'metadata': metadata})
|
||||
vdisklib.VDiskController.create_snapshot(diskguid = ovs_disk.guid,
|
||||
metadata = metadata,
|
||||
snapshotid =
|
||||
str(snapshot.id))
|
||||
LOG.debug('CREATE_SNAP OK')
|
||||
|
||||
def delete_snapshot(self, snapshot):
|
||||
"""Deletes a snapshot.
|
||||
:param snapshot: snapshot reference (sqlalchemy Model)
|
||||
"""
|
||||
volume = snapshot.volume
|
||||
hostname = volume.host
|
||||
location = volume.provider_location
|
||||
|
||||
ovs_disk = self._find_ovs_model_disk_by_location(location, hostname)
|
||||
LOG.debug('DELETE_SNAP %s', snapshot.id)
|
||||
vdisklib.VDiskController.delete_snapshot(diskguid = ovs_disk.guid,
|
||||
snapshotid =
|
||||
str(snapshot.id))
|
||||
LOG.debug('DELETE_SNAP OK')
|
||||
|
||||
def create_volume_from_snapshot(self, volume, snapshot):
|
||||
"""Creates a volume from a snapshot.
|
||||
Called on "cinder create --snapshot-id ..."
|
||||
:param snapshot: snapshot reference (sqlalchemy Model)
|
||||
:param volume: volume reference (sqlalchemy Model)
|
||||
|
||||
Volume here is just a ModelObject, it doesn't exist physically,
|
||||
it will be created by OVS.
|
||||
Diskguid to be passed to the clone method is the ovs diskguid of the
|
||||
parent of the snapshot with snapshot.id
|
||||
|
||||
OVS: Clone from arbitrary volume,
|
||||
requires volumedriver 3.6 release > 15.08.2014
|
||||
"""
|
||||
|
||||
mountpoint = self._get_hostname_mountpoint(str(volume.host))
|
||||
ovs_snap_disk = self._find_ovs_model_disk_by_snapshot_id(snapshot.id)
|
||||
devicename = volume.display_name
|
||||
if not devicename:
|
||||
devicename = volume.name
|
||||
pmachineguid = self._find_ovs_model_pmachine_guid_by_hostname(
|
||||
six.text_type(volume.host))
|
||||
|
||||
LOG.debug('[CLONE FROM SNAP] %(disk)s %(snapshot)s %(device)s '
|
||||
'%(machine)s',
|
||||
{'disk': ovs_snap_disk.guid, 'snapshot': snapshot.id,
|
||||
'device': devicename, 'machine': pmachineguid})
|
||||
disk_meta = vdisklib.VDiskController.clone(
|
||||
diskguid = ovs_snap_disk.guid,
|
||||
snapshotid = snapshot.id,
|
||||
devicename = devicename,
|
||||
pmachineguid = pmachineguid,
|
||||
machinename = "",
|
||||
machineguid=None)
|
||||
volume['provider_location'] = '{}{}'.format(
|
||||
mountpoint, disk_meta['backingdevice'])
|
||||
|
||||
LOG.debug('[CLONE FROM SNAP] Meta: %s', six.text_type(disk_meta))
|
||||
LOG.debug('[CLONE FROM SNAP] New volume %s',
|
||||
volume['provider_location'])
|
||||
vdisk = vdiskhybrid.VDisk(disk_meta['diskguid'])
|
||||
vdisk.cinder_id = volume.id
|
||||
vdisk.name = devicename
|
||||
vdisk.save()
|
||||
|
||||
return {'provider_location': volume['provider_location'],
|
||||
'display_name': volume['display_name']}
|
||||
|
||||
# Attach/detach volume to instance/host
|
||||
|
||||
def attach_volume(self, context, volume, instance_uuid, host_name,
|
||||
mountpoint):
|
||||
"""Callback for volume attached to instance or host."""
|
||||
pass
|
||||
|
||||
def detach_volume(self, context, volume, attachment=None):
|
||||
"""Callback for volume detached."""
|
||||
pass
|
||||
|
||||
# Extend
|
||||
|
||||
def extend_volume(self, volume, size_gb):
|
||||
"""Extend volume to new size size_gb"""
|
||||
LOG.debug('EXTEND_VOL Size %s', size_gb)
|
||||
location = volume.provider_location
|
||||
if location is not None:
|
||||
LOG.debug('DO_EXTEND_VOLUME %s', location)
|
||||
vdisklib.VDiskController.extend_volume(location = location,
|
||||
size = size_gb)
|
||||
|
||||
# Prevent NotImplementedError being raised
|
||||
# Not actually implemented, these actions do not make sense for this driver
|
||||
|
||||
def create_export(self, context, volume):
|
||||
"""Exports the volume.
|
||||
The volume is a .raw file on a virtual filesystem.
|
||||
Nothing to export.
|
||||
"""
|
||||
pass
|
||||
|
||||
def remove_export(self, context, volume):
|
||||
"""Removes an export for a volume.
|
||||
The volume is a .raw file on a virtual filesystem.
|
||||
Removed when delete is called.
|
||||
"""
|
||||
pass
|
||||
|
||||
def ensure_export(self, context, volume):
|
||||
"""Synchronously recreates an export for a volume.
|
||||
The volume is a .raw file on a virtual filesystem.
|
||||
Nothing to export.
|
||||
"""
|
||||
pass
|
||||
|
||||
def terminate_connection(self, volume, connector, force):
|
||||
"""Disallow connection from connector
|
||||
The volume is a .raw file on a virtual filesystem.
|
||||
Connection is always allowed based on POSIX permissions.
|
||||
"""
|
||||
LOG.debug('TERM_CONN %(connector)s %(force)s ',
|
||||
{'connector': six.text_type(connector), 'force': force})
|
||||
|
||||
def check_for_setup_error(self):
|
||||
"""Validate driver setup"""
|
||||
if (vdiskhybrid is None or pmachinelist is None or vdisklist is None or
|
||||
vpoollist is None or vdisklib is None):
|
||||
msg = (_('Open vStorage libraries not found'))
|
||||
LOG.exception(msg)
|
||||
raise exception.VolumeBackendAPIException(data=msg)
|
||||
|
||||
def do_setup(self, context):
|
||||
"""Any initialization the volume driver does while starting"""
|
||||
pass
|
||||
|
||||
# Internal
|
||||
def _get_real_hostname(self, hostname):
|
||||
LOG.debug('[_GET REAL HOSTNAME] Hostname %s', hostname)
|
||||
if not hostname:
|
||||
return socket.gethostname()
|
||||
if "#" in hostname:
|
||||
hostname, backend_name = hostname.split('#')
|
||||
if "@" in hostname:
|
||||
hostname, driver = hostname.split('@')
|
||||
return hostname
|
||||
return hostname
|
||||
|
||||
def _get_hostname_mountpoint(self, hostname):
|
||||
"""Find OVS vsr mountpoint for self._vp and hostname
|
||||
:return mountpoint: string, mountpoint
|
||||
"""
|
||||
hostname = self._get_real_hostname(hostname)
|
||||
LOG.debug('[_GET HOSTNAME MOUNTPOINT] Hostname %s', hostname)
|
||||
if self._vp is None:
|
||||
msg = (_('Open vStorage libraries not found'))
|
||||
raise exception.VolumeBackendAPIException(data=msg)
|
||||
storagedrivers = [vsr for vsr in self._vp.storagedrivers
|
||||
if str(vsr.storagerouter.name) ==
|
||||
str(hostname)]
|
||||
if len(storagedrivers) == 1:
|
||||
LOG.debug('[_GET HOSTNAME MOUNTPOINT] Mountpoint %s',
|
||||
storagedrivers[0].mountpoint)
|
||||
return six.text_type(storagedrivers[0].mountpoint)
|
||||
elif not storagedrivers:
|
||||
msg = (_('No vsr mountpoint found for Vpool %(vpool_name)s'
|
||||
'and hostname %(hostname)s')
|
||||
% {'vpool_name': self._vpool_name, 'hostname': hostname})
|
||||
LOG.exception(msg)
|
||||
raise exception.VolumeBackendAPIException(data=msg)
|
||||
|
||||
def _find_ovs_model_disk_by_location(self, location, hostname, retry=3,
|
||||
timeout=3):
|
||||
"""Find OVS disk object based on location and hostname
|
||||
:return VDisk: OVS DAL model object
|
||||
"""
|
||||
hostname = self._get_real_hostname(hostname)
|
||||
LOG.debug('[_FIND OVS DISK] Location %s, hostname %s',
|
||||
location, hostname)
|
||||
attempt = 0
|
||||
while attempt <= retry:
|
||||
for vd in vdisklist.VDiskList.get_vdisks():
|
||||
if vd.vpool:
|
||||
for vsr in vd.vpool.storagedrivers:
|
||||
if vsr.storagerouter.name == hostname:
|
||||
_location = "{0}/{1}".format(vsr.mountpoint,
|
||||
vd.devicename)
|
||||
if _location == location:
|
||||
LOG.debug('Location %(location)s Disk '
|
||||
'found %(id)s',
|
||||
{'location': location,
|
||||
'id': vd.guid})
|
||||
disk = vdiskhybrid.VDisk(vd.guid)
|
||||
return disk
|
||||
LOG.debug('NO RESULT Attempt %(attempt)s timeout %(timeout)s max '
|
||||
'attempts %(retry)s',
|
||||
{'attempt': attempt, 'timeout': timeout, 'retry': retry})
|
||||
if timeout:
|
||||
time.sleep(timeout)
|
||||
attempt += 1
|
||||
msg = (_('No disk found for location %s') % location)
|
||||
LOG.exception(msg)
|
||||
raise exception.VolumeBackendAPIException(data=msg)
|
||||
|
||||
def _find_ovs_model_pmachine_guid_by_hostname(self, hostname):
|
||||
"""Find OVS pmachine guid based on storagerouter name
|
||||
:return guid: GUID
|
||||
"""
|
||||
hostname = self._get_real_hostname(hostname)
|
||||
LOG.debug('[_FIND OVS PMACHINE] Hostname %s', hostname)
|
||||
mapping = [(pm.guid, six.text_type(sr.name))
|
||||
for pm in pmachinelist.PMachineList.get_pmachines()
|
||||
for sr in pm.storagerouters]
|
||||
for item in mapping:
|
||||
if item[1] == str(hostname):
|
||||
LOG.debug('Found pmachineguid %(item)s for Hostname %(host)s',
|
||||
{'item': item[0], 'host': hostname})
|
||||
return item[0]
|
||||
msg = (_('No PMachine guid found for Hostname %s') % hostname)
|
||||
LOG.exception(msg)
|
||||
raise exception.VolumeBackendAPIException(data=msg)
|
||||
|
||||
def _find_ovs_model_disk_by_snapshot_id(self, snapshotid):
|
||||
"""Find OVS disk object based on snapshot id
|
||||
:return VDisk: OVS DAL model object
|
||||
"""
|
||||
LOG.debug('[_FIND OVS DISK] Snapshotid %s', snapshotid)
|
||||
for disk in vdisklist.VDiskList.get_vdisks():
|
||||
snaps_guid = [s['guid'] for s in disk.snapshots]
|
||||
if str(snapshotid) in snaps_guid:
|
||||
LOG.debug('[_FIND OVS DISK] Snapshot id %(snapshot)s Disk '
|
||||
'found %(disk)s',
|
||||
{'snapshot': snapshotid, 'disk': disk})
|
||||
return disk
|
||||
msg = (_('No disk found for snapshotid %s') % snapshotid)
|
||||
LOG.exception(msg)
|
||||
raise exception.VolumeBackendAPIException(data=msg)
|
||||
Loading…
Reference in New Issue