Merge "Removing OpenvStorage for no CI"

changes/36/201336/24
Jenkins 8 years ago committed by Gerrit Code Review
commit 57c6d7ff6f

@ -1,360 +0,0 @@
# 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.
"""
Mock basic unit tests for the OVS Cinder Plugin
"""
import mock
from cinder import test
import cinder.volume.drivers.openvstorage as ovsvd
# MOCKUPS
MOCK_hostname = 'test-hostname'
MOCK_mountpoint = '/mnt/test'
MOCK_vdisk_guid = '0000'
MOCK_vdisk_guid2 = '1111'
MOCK_vdisk_guid3 = '2222'
MOCK_vdisk_devicename = 'volume-test.raw'
MOCK_vdisk_devicename2 = 'volume-test-clone.raw'
MOCK_vdisk_devicename3 = 'volume-test-template.raw'
MOCK_vdisk_disk_info = {'object_type': 'DISK'}
MOCK_vdisk_disk_info_template = {'object_type': 'TEMPLATE'}
MOCK_volume_name = 'volume-test'
MOCK_volume_name2 = 'volume-test-clone'
MOCK_volume_name3 = 'volume-test-template'
MOCK_volume_size = 10
MOCK_volume_size_extend = 20
MOCK_volume_type_id = 'RANDOM'
MOCK_volume_id = '0'
MOCK_volume_id2 = '1'
MOCK_volume_id3 = '3'
MOCK_volume_provider_location = '{0}/{1}'.format(
MOCK_mountpoint, MOCK_vdisk_devicename)
MOCK_volume_provider_location2 = '{0}/{1}'.format(
MOCK_mountpoint, MOCK_vdisk_devicename2)
MOCK_volume_provider_location3 = '{0}/{1}'.format(
MOCK_mountpoint, MOCK_vdisk_devicename3)
MOCK_snapshot_id = '1234'
MOCK_snapshot_display_name = 'test-snapshot'
MOCK_pmachine_guid = '1111'
MOCK_image_id = '9999'
CALLED = {}
class MockVDiskController(object):
def create_volume(self, location, size):
CALLED['create_volume'] = {'location': location, 'size': size}
def delete_volume(self, location):
CALLED['delete_volume'] = {'location': location}
def extend_volume(self, location, size):
CALLED['extend_volume'] = {'location': location, 'size': size}
def clone(self, diskguid, snapshotid, devicename, pmachineguid,
machinename, machineguid):
CALLED['clone_volume'] = diskguid
return {'backingdevice': '/%s.raw' % devicename,
'diskguid': diskguid}
def create_snapshot(self, diskguid, metadata, snapshotid):
CALLED['create_snapshot'] = diskguid
def delete_snapshot(self, diskguid, snapshotid):
CALLED['delete_snapshot'] = diskguid
def create_from_template(self, diskguid, machinename, devicename,
pmachineguid, machineguid, storagedriver_guid):
CALLED['create_from_template'] = diskguid
return {'backingdevice': '/%s.raw' % devicename,
'diskguid': diskguid}
class MockStorageRouter(object):
name = MOCK_hostname
class MockStorageDriver(object):
storagerouter = MockStorageRouter()
mountpoint = MOCK_mountpoint
class MockVPool(object):
storagedrivers = [MockStorageDriver()]
class MockVDisk(object):
vpool = MockVPool()
cinder_id = None
snapshots = []
vmachine_guid = None
def __init__(self, guid = MOCK_vdisk_guid,
devicename = None,
info = MOCK_vdisk_disk_info):
self.guid = guid
self.devicename = devicename
self.info = info
if guid == MOCK_vdisk_guid and not devicename:
self.devicename = MOCK_vdisk_devicename
elif guid == MOCK_vdisk_guid2 and not devicename:
self.devicename = MOCK_vdisk_devicename2
elif guid == MOCK_vdisk_guid3 and not devicename:
self.devicename = MOCK_vdisk_devicename3
self.info = {'object_type': 'TEMPLATE'}
def save(self):
pass
class MockPMachine(object):
guid = MOCK_pmachine_guid
storagerouters = [MockStorageRouter()]
def __init__(self):
pass
class MockVPoolList(object):
def get_vpool_by_name(self, name):
return MockVPool()
class MockVDiskList(object):
def __init__(self, vdisks = None):
self.vdisks = vdisks
if not vdisks:
self.vdisks = [MockVDisk()]
def get_vdisks(self):
return self.vdisks
class MockPMachineList(object):
def get_pmachines(self):
return [MockPMachine()]
class MOCK_log(object):
def debug(self, *args, **kwargs):
pass
def error(self, *args, **kwargs):
pass
def info(self, *args, **kwargs):
pass
def exception(self, *args, **kwargs):
pass
class MOCK_Context(object):
pass
class MOCK_ImageService(object):
pass
class MOCK_ImageUtils(object):
def fetch_to_raw(self, context, image_service, image_id, destination_path,
block_size, size, run_as_root=False):
CALLED['ImageUtils_fetch_to_raw'] = (destination_path, size)
class MOCK_volume(object):
host = MOCK_hostname
size = MOCK_volume_size
volume_type_id = MOCK_volume_type_id
def __init__(self, display_name = MOCK_volume_name, id = MOCK_volume_id,
provider_location = None):
self.display_name = display_name
self.id = id
self.provider_location = provider_location
if self.id == MOCK_volume_id:
self.provider_location = MOCK_volume_provider_location
elif self.id == MOCK_volume_id2:
self.provider_location = MOCK_volume_provider_location2
elif self.id == MOCK_volume_id3:
self.provider_location = MOCK_volume_provider_location3
def __setitem__(self, attribute, value):
setattr(self, attribute, value)
def __getitem__(self, attribute):
return getattr(self, attribute)
class MOCK_snapshot(object):
volume = MOCK_volume()
display_name = MOCK_snapshot_display_name
id = MOCK_snapshot_id
# Fake Modules
class vdiskhybrid(object):
VDisk = MockVDisk
class pmachinelist(object):
PMachineList = MockPMachineList()
class vdisklist(object):
def __init__(self, vdisks):
self.VDiskList = MockVDiskList(vdisks)
class vpoollist(object):
VPoolList = MockVPoolList()
class vdisklib(object):
VDiskController = MockVDiskController()
class OVSPluginBaseTestCase(test.TestCase):
"""Basic tests - mocked
"""
def setUp(self):
vdisk1 = MockVDisk(MOCK_vdisk_guid, MOCK_vdisk_devicename)
vdisk2 = MockVDisk(MOCK_vdisk_guid2, MOCK_vdisk_devicename2)
vdisk3 = MockVDisk(MOCK_vdisk_guid3, MOCK_vdisk_devicename3)
super(OVSPluginBaseTestCase, self).setUp()
ovsvd.vdiskhybrid = vdiskhybrid()
ovsvd.vpoollist = vpoollist()
ovsvd.vdisklist = vdisklist([vdisk1, vdisk2, vdisk3])
ovsvd.vdisklib = vdisklib()
ovsvd.pmachinelist = pmachinelist()
ovsvd.LOG = MOCK_log()
ovsvd.image_utils = MOCK_ImageUtils()
self.driver = ovsvd.OVSVolumeDriver(configuration = mock.Mock())
def tearDown(self):
super(OVSPluginBaseTestCase, self).tearDown()
def test__get_hostname_mountpoint(self):
mountpoint = self.driver._get_hostname_mountpoint(MOCK_hostname)
self.assertTrue(mountpoint == MOCK_mountpoint, 'Wrong mountpoint')
def test__find_ovs_model_disk_by_location(self):
location = '{0}/{1}'.format(MOCK_mountpoint, MOCK_vdisk_devicename)
vdisk = self.driver._find_ovs_model_disk_by_location(location,
MOCK_hostname)
self.assertTrue(vdisk.devicename == MOCK_vdisk_devicename,
'Wrong devicename')
def test_create_volume_mock(self):
result = self.driver.create_volume(MOCK_volume())
self.assertTrue(result['provider_location'] == '{0}/{1}.raw'.format(
MOCK_mountpoint, MOCK_volume_name), 'Wrong location')
self.assertTrue(CALLED['create_volume'] ==
{'location': MOCK_volume_provider_location,
'size': MOCK_volume_size},
'Wrong params')
def test_delete_volume_mock(self):
self.driver.delete_volume(MOCK_volume())
self.assertTrue(CALLED['delete_volume'] ==
{'location': MOCK_volume_provider_location},
'Wrong params')
def test_extend_volume(self):
self.driver.extend_volume(MOCK_volume(), MOCK_volume_size_extend)
self.assertTrue(CALLED['extend_volume'] ==
{'location': MOCK_volume_provider_location,
'size': MOCK_volume_size_extend},
'Wrong params')
def test_copy_image_to_volume(self):
self.driver.copy_image_to_volume(MOCK_Context(), MOCK_volume(),
MOCK_ImageService(), MOCK_image_id)
self.assertTrue(CALLED['delete_volume'] ==
{'location': MOCK_volume_provider_location},
'Wrong params')
self.assertTrue(CALLED['ImageUtils_fetch_to_raw'] ==
(MOCK_volume_provider_location, MOCK_volume_size),
'Wrong params')
self.assertTrue(CALLED['extend_volume'] ==
{'location': MOCK_volume_provider_location,
'size': MOCK_volume_size},
'Wrong params')
# Test_copy_volume_to_image actually tests the standard behaviour of
# the super class, not our own specific code
def test_create_cloned_volume_template(self):
target_volume = MOCK_volume(MOCK_volume_name2, MOCK_volume_id2,
MOCK_volume_provider_location2)
source_volume = MOCK_volume(MOCK_volume_name3, MOCK_volume_id3,
MOCK_volume_provider_location3)
result = self.driver.create_cloned_volume(target_volume,
source_volume)
self.assertTrue(CALLED['create_from_template'] ==
MOCK_vdisk_guid3,
'Wrong params')
self.assertTrue(result['provider_location'] ==
MOCK_volume_provider_location2,
'Wrong result %s' % result['provider_location'])
def test_create_cloned_volume_volume(self):
target_volume = MOCK_volume(MOCK_volume_name2, MOCK_volume_id2,
MOCK_volume_provider_location2)
source_volume = MOCK_volume(MOCK_volume_name, MOCK_volume_id,
MOCK_volume_provider_location)
result = self.driver.create_cloned_volume(target_volume,
source_volume)
self.assertTrue(CALLED['create_snapshot'] ==
MOCK_vdisk_guid,
'Wrong params')
self.assertTrue(CALLED['clone_volume'] ==
MOCK_vdisk_guid,
'Wrong params')
self.assertTrue(result['provider_location'] ==
MOCK_volume_provider_location2,
'Wrong result %s' % result['provider_location'])
def test_create_snapshot(self):
snapshot = MOCK_snapshot()
self.driver.create_snapshot(snapshot)
self.assertTrue(CALLED['create_snapshot'] == MOCK_vdisk_guid,
'Wrong params')
def test_delete_snapshot(self):
snapshot = MOCK_snapshot()
self.driver.delete_snapshot(snapshot)
self.assertTrue(CALLED['delete_snapshot'] == MOCK_vdisk_guid,
'Wrong params')
def create_volume_from_snapshot(self):
new_volume = MOCK_volume(MOCK_volume_name2, MOCK_volume_id2,
MOCK_volume_provider_location2)
snapshot = MOCK_snapshot()
result = self.driver.create_volume_from_snapshot(new_volume, snapshot)
self.assertTrue(CALLED['clone_volume'] ==
MOCK_vdisk_guid,
'Wrong params')
self.assertTrue(result['provider_location'] ==
MOCK_volume_provider_location2,
'Wrong result %s' % result['provider_location'])

@ -1,551 +0,0 @@
# 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)

@ -72,7 +72,6 @@ commands =
cinder.tests.unit.test_infortrend_cli \
cinder.tests.unit.test_netapp_nfs \
cinder.tests.unit.test_nimble \
cinder.tests.unit.test_openvstorage \
cinder.tests.unit.test_qos_specs \
cinder.tests.unit.test_quota \
cinder.tests.unit.test_rbd \

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