def _find_pool_info(self):
root = huawei_utils.parse_xml_file(self.xml_conf)
pool_name = root.findtext('LUN/StoragePool')
if not pool_name:
err_msg = _("Invalid resource pool: %s") % pool_name
LOG.error(err_msg)
raise exception.InvalidInput(err_msg)
url = self.url + "/storagepool"
result = self.call(url, None)
self._assert_rest_result(result, 'Query resource pool error')
poolinfo = {}
if "data" in result:
for item in result['data']:
if pool_name.strip() == item['NAME']:
poolinfo['ID'] = item['ID']
poolinfo['CAPACITY'] = item['USERFREECAPACITY']
poolinfo['TOTALCAPACITY'] = item['USERTOTALCAPACITY']
break
if not poolinfo:
msg = (_('Get pool info error, pool name is:%s') % pool_name)
LOG.error(msg)
raise exception.CinderException(msg)
return poolinfo
def reboot_vapp(self, vapp_name):
the_vapp = self._get_vcloud_vapp(vapp_name)
task = self._invoke_vapp_api(the_vapp, "reboot")
if not task:
raise exception.CinderException("reboot vapp failed, task: %s" %
task)
self._session.wait_for_task(task)
def test_create_from_image_cache_miss_error_downloading(
self, mock_qemu_info, mock_get_internal_context,
mock_create_from_img_dl, mock_create_from_src,
mock_handle_bootable, mock_fetch_img):
mock_fetch_img.return_value = mock.MagicMock()
image_info = imageutils.QemuImgInfo()
image_info.virtual_size = '2147483648'
mock_qemu_info.return_value = image_info
self.mock_driver.clone_image.return_value = (None, False)
self.mock_cache.get_entry.return_value = None
volume = fake_volume.fake_volume_obj(self.ctxt,
size=10,
host='foo@bar#pool')
image_volume = fake_volume.fake_db_volume(size=2)
self.mock_db.volume_create.return_value = image_volume
mock_create_from_img_dl.side_effect = exception.CinderException()
def update_volume(ctxt, id, updates):
volume.update(updates)
return volume
self.mock_db.volume_update.side_effect = update_volume
image_location = 'someImageLocationStr'
image_id = 'c7a8b8d4-e519-46c7-a0df-ddf1b9b9fff2'
image_meta = mock.MagicMock()
manager = create_volume_manager.CreateVolumeFromSpecTask(
self.mock_volume_manager,
self.mock_db,
self.mock_driver,
image_volume_cache=self.mock_cache)
self.assertRaises(exception.CinderException,
manager._create_from_image, self.ctxt, volume,
image_location, image_id, image_meta,
self.mock_image_service)
# Make sure clone_image is always called
self.assertTrue(self.mock_driver.clone_image.called)
# The image download should happen if clone fails and
# we get a cache miss
mock_create_from_img_dl.assert_called_once_with(
self.ctxt, mock.ANY, image_location, image_id,
self.mock_image_service)
# The volume size should be reduced to virtual_size and then put back,
# especially if there is an exception while creating the volume.
self.assertEqual(2, self.mock_db.volume_update.call_count)
self.mock_db.volume_update.assert_any_call(self.ctxt, volume['id'],
{'size': 2})
self.mock_db.volume_update.assert_any_call(self.ctxt, volume['id'],
{'size': 10})
# Make sure we didn't try and create a cache entry
self.assertFalse(self.mock_cache.ensure_space.called)
self.assertFalse(self.mock_cache.create_cache_entry.called)
def create_volume(self,
context,
topic,
volume_id,
snapshot_id=None,
image_id=None,
request_spec=None,
filter_properties=None,
volume=None):
self._wait_for_scheduler()
# FIXME(thangp): Remove this in v2.0 of RPC API.
if volume is None:
# For older clients, mimic the old behavior and look up the
# volume by its volume_id.
volume = objects.Volume.get_by_id(context, volume_id)
try:
flow_engine = create_volume.get_flow(context, db, self.driver,
request_spec,
filter_properties, volume,
snapshot_id, image_id)
except Exception:
msg = _("Failed to create scheduler manager volume flow")
LOG.exception(msg)
raise exception.CinderException(msg)
with flow_utils.DynamicLogListener(flow_engine, logger=LOG):
flow_engine.run()
def _assert_rest_result(self, result, err_str):
error_code = result['error']['code']
if error_code != 0:
msg = _('%(err)s\nresult: %(res)s') % {'err': err_str,
'res': result}
LOG.error(msg)
raise exception.CinderException(msg)
def return_get_qos_associations(context, id):
if id == "111":
raise exception.QoSSpecsNotFound(specs_id=id)
elif id == "222":
raise exception.CinderException()
return stub_qos_associates(id)
def get_blkdev_major_minor(path: str,
lookup_for_file: bool = True) -> Optional[str]:
"""Get 'major:minor' number of block device.
Get the device's 'major:minor' number of a block device to control
I/O ratelimit of the specified path.
If lookup_for_file is True and the path is a regular file, lookup a disk
device which the file lies on and returns the result for the device.
"""
st = os.stat(path)
if stat.S_ISBLK(st.st_mode):
path, st = _get_disk_of_partition(path, st)
return '%d:%d' % (os.major(st.st_rdev), os.minor(st.st_rdev))
elif stat.S_ISCHR(st.st_mode):
# No I/O ratelimit control is provided for character devices
return None
elif lookup_for_file:
# lookup the mounted disk which the file lies on
out, _err = execute('df', path)
devpath = out.split("\n")[1].split()[0]
if devpath[0] != '/':
# the file is on a network file system
return None
return get_blkdev_major_minor(devpath, False)
else:
msg = _("Unable to get a block device for file \'%s\'") % path
raise exception.CinderException(msg)
def create_cloned_volume(self, volume, src_vref):
"""Creates a clone of the specified volume."""
vol_size = volume.size
src_vol_size = src_vref.size
self._clone_volume(src_vref.name, volume.name, src_vref.id)
share = self._get_volume_location(src_vref.id)
volume['provider_location'] = share
path = self.local_path(volume)
if self._discover_file_till_timeout(path):
self._set_rw_permissions(path)
if vol_size != src_vol_size:
try:
self.extend_volume(volume, vol_size)
except Exception as e:
LOG.error(_LE("Resizing %s failed. Cleaning volume."),
volume.name)
self._execute('rm',
path,
run_as_root=self._execute_as_root)
raise e
else:
raise exception.CinderException(
_("NFS file %s not discovered.") % volume['name'])
return {'provider_location': volume['provider_location']}
def create(self,
context,
size,
name,
description,
snapshot=None,
image_id=None,
volume_type=None,
metadata=None,
availability_zone=None,
source_volume=None,
scheduler_hints=None,
backup_source_volume=None):
def check_volume_az_zone(availability_zone):
try:
return self._valid_availabilty_zone(availability_zone)
except exception.CinderException:
LOG.exception(
_("Unable to query if %s is in the "
"availability zone set"), availability_zone)
return False
create_what = {
'size': size,
'name': name,
'description': description,
'snapshot': snapshot,
'image_id': image_id,
'volume_type': volume_type,
'metadata': metadata,
'availability_zone': availability_zone,
'source_volume': source_volume,
'scheduler_hints': scheduler_hints,
'key_manager': self.key_manager,
'backup_source_volume': backup_source_volume,
}
(flow, uuid) = create_volume.get_api_flow(self.scheduler_rpcapi,
self.volume_rpcapi, self.db,
self.image_service,
check_volume_az_zone,
create_what)
assert flow, _('Create volume flow not retrieved')
flow.run(context)
if flow.state != states.SUCCESS:
raise exception.CinderException(
_("Failed to successfully complete"
" create volume workflow"))
# Extract the volume information from the task uuid that was specified
# to produce said information.
volume = None
try:
volume = flow.results[uuid]['volume']
except KeyError:
pass
# Raise an error, nobody provided it??
assert volume, _('Expected volume result not found')
return volume
def test_create_consistencygroup_exceptions(self):
with mock.patch.object(filter_scheduler.FilterScheduler,
'schedule_create_consistencygroup') as mock_cg:
original_driver = self.manager.driver
consistencygroup_obj = \
fake_consistencygroup.fake_consistencyobject_obj(self.context)
self.manager.driver = filter_scheduler.FilterScheduler
LOG = self.mock_object(manager, 'LOG')
self.stubs.Set(db, 'consistencygroup_update', mock.Mock())
ex = exception.CinderException('test')
mock_cg.side_effect = ex
group_id = '1'
self.assertRaises(exception.CinderException,
self.manager.create_consistencygroup,
self.context, 'volume', consistencygroup_obj)
self.assertTrue(LOG.exception.call_count > 0)
db.consistencygroup_update.assert_called_once_with(
self.context, group_id, {'status': 'error'})
mock_cg.reset_mock()
LOG.exception.reset_mock()
db.consistencygroup_update.reset_mock()
mock_cg.side_effect = exception.NoValidHost(
reason="No weighed hosts available")
self.manager.create_consistencygroup(self.context, 'volume',
consistencygroup_obj)
self.assertTrue(LOG.error.call_count > 0)
db.consistencygroup_update.assert_called_once_with(
self.context, group_id, {'status': 'error'})
self.manager.driver = original_driver
def test_create_consistencygroup_exceptions(self):
with mock.patch.object(filter_scheduler.FilterScheduler,
'schedule_create_consistencygroup') as mock_cg:
original_driver = self.manager.driver
consistencygroup_obj = \
fake_consistencygroup.fake_consistencyobject_obj(self.context)
self.manager.driver = filter_scheduler.FilterScheduler
LOG = self.mock_object(manager, 'LOG')
self.mock_object(db, 'consistencygroup_update')
ex = exception.CinderException('test')
mock_cg.side_effect = ex
group_id = fake.CONSISTENCY_GROUP_ID
self.assertRaises(exception.CinderException,
self.manager.create_consistencygroup,
self.context, 'volume', consistencygroup_obj)
self.assertGreater(LOG.exception.call_count, 0)
db.consistencygroup_update.assert_called_once_with(
self.context, group_id,
{'status': (fields.ConsistencyGroupStatus.ERROR)})
mock_cg.reset_mock()
LOG.exception.reset_mock()
db.consistencygroup_update.reset_mock()
mock_cg.side_effect = exception.NoValidHost(
reason="No weighed hosts available")
self.manager.create_consistencygroup(self.context, 'volume',
consistencygroup_obj)
self.assertGreater(LOG.error.call_count, 0)
db.consistencygroup_update.assert_called_once_with(
self.context, group_id,
{'status': (fields.ConsistencyGroupStatus.ERROR)})
self.manager.driver = original_driver
def create_volume(self,
context,
volume_id,
request_spec=None,
filter_properties=None,
allow_reschedule=True,
snapshot_id=None,
image_id=None,
source_volid=None):
"""Creates and exports the volume."""
flow = create_volume.get_manager_flow(
self.db,
self.driver,
self.scheduler_rpcapi,
self.host,
volume_id,
request_spec=request_spec,
filter_properties=filter_properties,
allow_reschedule=allow_reschedule,
snapshot_id=snapshot_id,
image_id=image_id,
source_volid=source_volid,
reschedule_context=context.deepcopy())
assert flow, _('Manager volume flow not retrieved')
flow.run(context.elevated())
if flow.state != states.SUCCESS:
raise exception.CinderException(
_("Failed to successfully complete"
" manager volume workflow"))
self._reset_stats()
return volume_id
def _clone_volume(self, volume_name, clone_name, volume_id):
"""Clones mounted volume with OnCommand proxy API."""
host_id = self._get_host_id(volume_id)
export_path = self._get_full_export_path(volume_id, host_id)
request = self._client.factory.create('Request')
request.Name = 'clone-start'
clone_start_args = ('<source-path>%s/%s</source-path>'
'<destination-path>%s/%s</destination-path>')
request.Args = text.Raw(clone_start_args % (export_path,
volume_name,
export_path,
clone_name))
resp = self._client.service.ApiProxy(Target=host_id,
Request=request)
if (resp.Status == 'passed' and
self.configuration.synchronous_snapshot_create):
clone_id = resp.Results['clone-id'][0]
clone_id_info = clone_id['clone-id-info'][0]
clone_operation_id = int(clone_id_info['clone-op-id'][0])
self._wait_for_clone_finished(clone_operation_id, host_id)
elif resp.Status == 'failed':
raise exception.CinderException(resp.Reason)
def test_create_snapshot_metadata_update_failure_generates_user_message(
self, fake_notify, fake_init, fake_msg_create):
manager = vol_manager.VolumeManager()
fake_driver = mock.MagicMock()
fake_driver.create_snapshot.return_value = False
manager.driver = fake_driver
fake_vol_ref = mock.MagicMock()
fake_vol_ref.bootable.return_value = True
fake_db = mock.MagicMock()
fake_db.volume_get.return_value = fake_vol_ref
fake_exp = exception.CinderException()
fake_db.volume_glance_metadata_copy_to_snapshot.side_effect = fake_exp
manager.db = fake_db
fake_snapshot = mock.MagicMock(id='86')
fake_context = mock.MagicMock()
fake_context.elevated.return_value = fake_context
self.assertRaises(exception.CinderException, manager.create_snapshot,
fake_context, fake_snapshot)
# make sure a user message was generated
fake_msg_create.assert_called_once_with(
fake_context,
action=message_field.Action.SNAPSHOT_CREATE,
resource_type=message_field.Resource.VOLUME_SNAPSHOT,
resource_uuid=fake_snapshot['id'],
exception=fake_exp,
detail=message_field.Detail.SNAPSHOT_UPDATE_METADATA_FAILED)
def return_get_qos_associations(context, id):
if id == fake.WILL_NOT_BE_FOUND_ID:
raise exception.QoSSpecsNotFound(specs_id=id)
elif id == fake.RAISE_ID:
raise exception.CinderException()
return stub_qos_associates(id)
def create_volume_from_snapshot(self, volume, snapshot):
"""Creates a volume from a snapshot."""
vol_size = volume.size
snap_size = snapshot.volume_size
self._clone_volume(snapshot.name, volume.name, snapshot.volume_id)
share = self._get_volume_location(snapshot.volume_id)
volume['provider_location'] = share
path = self.local_path(volume)
run_as_root = self._execute_as_root
if self._discover_file_till_timeout(path):
self._set_rw_permissions(path)
if vol_size != snap_size:
try:
self.extend_volume(volume, vol_size)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error(_LE("Resizing %s failed. Cleaning volume."),
volume.name)
self._execute('rm', path, run_as_root=run_as_root)
else:
raise exception.CinderException(
_("NFS file %s not discovered.") % volume['name'])
return {'provider_location': volume['provider_location']}
def _get_lun_conf_params(self):
"""Get parameters from config file for creating lun."""
# Default lun set information
lunsetinfo = {'LUNType': 'Thick',
'StripUnitSize': '64',
'WriteType': '1',
'MirrorSwitch': '1',
'PrefetchType': '3',
'PrefetchValue': '0',
'PrefetchTimes': '0'}
root = huawei_utils.parse_xml_file(self.xml_conf)
luntype = root.findtext('LUN/LUNType')
if luntype:
if luntype.strip() in ['Thick', 'Thin']:
lunsetinfo['LUNType'] = luntype.strip()
if luntype.strip() == 'Thick':
lunsetinfo['LUNType'] = 0
if luntype.strip() == 'Thin':
lunsetinfo['LUNType'] = 1
elif luntype is not '' and luntype is not None:
err_msg = (_('Config file is wrong. LUNType must be "Thin"'
' or "Thick". LUNType:%(fetchtype)s')
% {'fetchtype': luntype})
LOG.error(err_msg)
raise exception.VolumeBackendAPIException(data=err_msg)
stripunitsize = root.findtext('LUN/StripUnitSize')
if stripunitsize is not None:
lunsetinfo['StripUnitSize'] = stripunitsize.strip()
writetype = root.findtext('LUN/WriteType')
if writetype is not None:
lunsetinfo['WriteType'] = writetype.strip()
mirrorswitch = root.findtext('LUN/MirrorSwitch')
if mirrorswitch is not None:
lunsetinfo['MirrorSwitch'] = mirrorswitch.strip()
prefetch = root.find('LUN/Prefetch')
fetchtype = prefetch.attrib['Type']
if prefetch is not None and prefetch.attrib['Type']:
if fetchtype in ['0', '1', '2', '3']:
lunsetinfo['PrefetchType'] = fetchtype.strip()
typevalue = prefetch.attrib['Value'].strip()
if lunsetinfo['PrefetchType'] == '1':
lunsetinfo['PrefetchValue'] = typevalue
elif lunsetinfo['PrefetchType'] == '2':
lunsetinfo['PrefetchValue'] = typevalue
else:
err_msg = (_('PrefetchType config is wrong. PrefetchType'
' must in 1,2,3,4. fetchtype is:%(fetchtype)s')
% {'fetchtype': fetchtype})
LOG.error(err_msg)
raise exception.CinderException(err_msg)
else:
LOG.debug('Use default prefetch fetchtype. '
'Prefetch fetchtype:Intelligent.')
return lunsetinfo
def start_transfer(context, timeout_secs, read_file_handle, max_data_size,
write_file_handle=None, image_service=None, image_id=None,
image_meta=None):
"""Start the data transfer from the reader to the writer.
Reader writes to the pipe and the writer reads from the pipe. This means
that the total transfer time boils down to the slower of the read/write
and not the addition of the two times.
"""
if not image_meta:
image_meta = {}
# The pipe that acts as an intermediate store of data for reader to write
# to and writer to grab from.
thread_safe_pipe = io_util.ThreadSafePipe(QUEUE_BUFFER_SIZE, max_data_size)
# The read thread. In case of glance it is the instance of the
# GlanceFileRead class. The glance client read returns an iterator
# and this class wraps that iterator to provide datachunks in calls
# to read.
read_thread = io_util.IOThread(read_file_handle, thread_safe_pipe)
# In case of Glance - VMware transfer, we just need a handle to the
# HTTP Connection that is to send transfer data to the VMware datastore.
if write_file_handle:
write_thread = io_util.IOThread(thread_safe_pipe, write_file_handle)
# In case of VMware - Glance transfer, we relinquish VMware HTTP file read
# handle to Glance Client instance, but to be sure of the transfer we need
# to be sure of the status of the image on glance changing to active.
# The GlanceWriteThread handles the same for us.
elif image_service and image_id:
write_thread = io_util.GlanceWriteThread(context, thread_safe_pipe,
image_service, image_id,
image_meta)
# Start the read and write threads.
read_event = read_thread.start()
write_event = write_thread.start()
timer = timeout.Timeout(timeout_secs)
try:
# Wait on the read and write events to signal their end
read_event.wait()
write_event.wait()
except (timeout.Timeout, Exception) as exc:
# In case of any of the reads or writes raising an exception,
# stop the threads so that we un-necessarily don't keep the other one
# waiting.
read_thread.stop()
write_thread.stop()
# Log and raise the exception.
LOG.exception(exc)
raise exception.CinderException(exc)
finally:
timer.cancel()
# No matter what, try closing the read and write handles, if it so
# applies.
read_file_handle.close()
if write_file_handle:
write_file_handle.close()
def test_create_snapshot(self, mock_create, mock_get):
mock_get.return_value = True
self.driver.create_snapshot(self.snapshot)
mock_create.side_effect = exception.CinderException(
'create snapshot failed')
self.assertRaises(exception.CinderException,
self.driver.create_snapshot, self.snapshot)
mock_get.side_effect = [
False, exception.CinderException('get volume failed')]
self.assertRaises(exception.CinderException,
self.driver.create_snapshot,
self.snapshot)
self.assertRaises(exception.CinderException,
self.driver.create_snapshot,
self.snapshot)
def replication_enable(self, context, volume):
if volume['replication_status'] == 'invalid_status_val':
raise exception.CinderException()
volume_model_update = {}
volume_model_update['replication_driver_data'] = FAKE_DRIVER_DATA
return volume_model_update
def _detach_disk_from_vm(self, the_vapp, disk_ref):
task = the_vapp.detach_disk_from_vm(the_vapp.name, disk_ref)
if not task:
raise exception.CinderException(
"Unable to detach disk from vm %s" % the_vapp.name)
else:
self._session._wait_for_task(task)
return True
def create_context(self, user_id):
try:
details = self.context_details[user_id]
except KeyError:
msg = ('No context details defined for user_id "%s".' % (user_id))
raise exception.CinderException(message=msg)
return cinder_context.RequestContext(user_id=user_id, **details)
def create(self, context, size, name, description, snapshot=None,
image_id=None, volume_type=None, metadata=None,
availability_zone=None, source_volume=None,
scheduler_hints=None, backup_source_volume=None):
if source_volume and volume_type:
if volume_type['id'] != source_volume['volume_type_id']:
msg = _("Invalid volume_type provided (requested type "
"must match source volume, or be omitted). "
"You should omit the argument.")
raise exception.InvalidInput(reason=msg)
if snapshot and volume_type:
if volume_type['id'] != snapshot['volume_type_id']:
msg = _("Invalid volume_type provided (requested type "
"must match source snapshot, or be omitted). "
"You should omit the argument.")
raise exception.InvalidInput(reason=msg)
def check_volume_az_zone(availability_zone):
try:
return self._valid_availability_zone(availability_zone)
except exception.CinderException:
LOG.exception(_("Unable to query if %s is in the "
"availability zone set"), availability_zone)
return False
create_what = {
'context': context,
'raw_size': size,
'name': name,
'description': description,
'snapshot': snapshot,
'image_id': image_id,
'raw_volume_type': volume_type,
'metadata': metadata,
'raw_availability_zone': availability_zone,
'source_volume': source_volume,
'scheduler_hints': scheduler_hints,
'key_manager': self.key_manager,
'backup_source_volume': backup_source_volume,
}
try:
flow_engine = create_volume.get_flow(self.scheduler_rpcapi,
self.volume_rpcapi,
self.db,
self.image_service,
check_volume_az_zone,
create_what)
except Exception:
LOG.exception(_("Failed to create api volume flow"))
raise exception.CinderException(
_("Failed to create api volume flow"))
flow_engine.run()
volume = flow_engine.storage.fetch('volume')
return volume
def _inner():
"""Function to do the image data transfer through an update
and thereon checks if the state is 'active'.
"""
try:
self.image_service.update(self.context,
self.image_id,
self.image_meta,
data=self.input)
self._running = True
except exception.ImageNotAuthorized as exc:
self.done.send_exception(exc)
while self._running:
try:
image_meta = self.image_service.show(
self.context, self.image_id)
image_status = image_meta.get("status")
if image_status == "active":
self.stop()
self.done.send(True)
# If the state is killed, then raise an exception.
elif image_status == "killed":
self.stop()
msg = (_("Glance image %s is in killed state") %
self.image_id)
LOG.error(msg)
self.done.send_exception(
exception.CinderException(msg))
elif image_status in ["saving", "queued"]:
greenthread.sleep(GLANCE_POLL_INTERVAL)
else:
self.stop()
msg = _("Glance image "
"%(image_id)s is in unknown state "
"- %(state)s") % {
"image_id": self.image_id,
"state": image_status
}
LOG.error(msg)
self.done.send_exception(
exception.CinderException(msg))
except Exception as exc:
self.stop()
self.done.send_exception(exc)
def _update_stats(self):
if self._helper:
storage_pools = self._helper.get_pools()
if not len(storage_pools):
msg = _('No pools found - make sure san_clustername '
'is defined in the config file and that the '
'pools exist on the storage.')
LOG.error(msg)
raise exception.CinderException(message=msg)
else:
msg = (_('Backend %s is not initialized.') %
self.configuration.volume_backend_name)
raise exception.CinderException(data=msg)
stats = {
"volume_backend_name":
self.configuration.volume_backend_name,
"serial_number":
self._helper.backend['storage_unit'],
"extent_pools":
self._helper.backend['pools_str'],
"vendor_name":
'IBM',
"driver_version":
self.full_version,
"storage_protocol":
self._helper.get_connection_type(),
"total_capacity_gb":
self._b2gb(sum(p['cap'] for p in storage_pools.values())),
"free_capacity_gb":
self._b2gb(sum(p['capavail'] for p in storage_pools.values())),
"reserved_percentage":
self.configuration.reserved_percentage,
"consistencygroup_support":
True,
"consistent_group_snapshot_enabled":
True,
"multiattach":
False
}
if self._replication_enabled:
stats['replication_enabled'] = self._replication_enabled
self.meta['stat'] = stats
def _inner():
"""Initiate write thread.
Function to do the image data transfer through an update
and thereon checks if the state is 'active'.
"""
LOG.debug(_("Initiating image service update on image: %(image)s "
"with meta: %(meta)s") % {'image': self.image_id,
'meta': self.image_meta})
self.image_service.update(self.context,
self.image_id,
self.image_meta,
data=self.input_file)
self._running = True
while self._running:
try:
image_meta = self.image_service.show(self.context,
self.image_id)
image_status = image_meta.get('status')
if image_status == 'active':
self.stop()
LOG.debug(_("Glance image: %s is now active.") %
self.image_id)
self.done.send(True)
# If the state is killed, then raise an exception.
elif image_status == 'killed':
self.stop()
msg = (_("Glance image: %s is in killed state.") %
self.image_id)
LOG.error(msg)
excep = exception.CinderException(msg)
self.done.send_exception(excep)
elif image_status in ['saving', 'queued']:
greenthread.sleep(GLANCE_POLL_INTERVAL)
else:
self.stop()
msg = _("Glance image %(id)s is in unknown state "
"- %(state)s") % {'id': self.image_id,
'state': image_status}
LOG.error(msg)
excep = exception.CinderException(msg)
self.done.send_exception(excep)
except Exception as exc:
self.stop()
self.done.send_exception(exc)
def convert_version_to_int(version):
try:
if isinstance(version, six.string_types):
version = convert_version_to_tuple(version)
if isinstance(version, tuple):
return six.moves.reduce(lambda x, y: (x * 1000) + y, version)
except Exception:
msg = _("Version %s is invalid.") % version
raise exception.CinderException(msg)
def create_cloned_volume(self, volume, src_vref):
"""Creates a clone of the specified volume."""
vol = self.client.req('volumes', name=src_vref['id'])['content']
ctxt = context.get_admin_context()
cache = self.db.image_volume_cache_get_by_volume_id(
ctxt, src_vref['id'])
limit = self.configuration.safe_get('xtremio_volumes_per_glance_cache')
if cache and limit and limit > 0 and limit <= vol['num-of-dest-snaps']:
raise exception.CinderException('Exceeded the configured limit of '
'%d snapshots per volume' % limit)
try:
self.client.create_snapshot(src_vref['id'], volume['id'])
except exception.XtremIOSnapshotsLimitExceeded as e:
raise exception.CinderException(e.message)
if volume.get('consistencygroup_id') and self.client is XtremIOClient4:
self.client.add_vol_to_cg(volume['id'],
volume['consistencygroup_id'])
def is_authorized(self, user_id, authorized_users, unauthorized_users):
if user_id in authorized_users:
return True
elif user_id in unauthorized_users:
return False
else:
msg = ('"%s" must be either an authorized or unauthorized user.' %
(user_id))
raise exception.CinderException(message=msg)
def extend_volume(self, volume, new_size):
dev_path = self.local_path(volume)
total_size = self._get_devices_sizes([dev_path])
# Convert from Megabytes to Gigabytes
size = total_size[dev_path] / units.Ki
if size < new_size:
msg = _("Insufficient free space available to extend volume.")
LOG.error(msg, resource=volume)
raise exception.CinderException(msg)
