def _attach_volume(self, connection_info, vm_ref=None, instance_name=None,
dev_number=None, hotplug=False):
self._check_is_supported_driver_type(connection_info)
connection_data = connection_info['data']
sr_ref, sr_uuid = self._connect_to_volume_provider(connection_data,
instance_name)
try:
vdi_ref = self._connect_hypervisor_to_volume(sr_ref,
connection_data)
vdi_uuid = self._session.VDI.get_uuid(vdi_ref)
LOG.info(_('Connected volume (vdi_uuid): %s'), vdi_uuid)
if vm_ref:
self._attach_volume_to_vm(vdi_ref, vm_ref, instance_name,
dev_number, hotplug)
return (sr_uuid, vdi_uuid)
except Exception:
with excutils.save_and_reraise_exception():
# NOTE(sirp): Forgetting the SR will have the effect of
# cleaning up the VDI and VBD records, so no need to handle
# that explicitly.
volume_utils.forget_sr(self._session, sr_ref)
def _attach_volume(self, connection_info, vm_ref=None, instance_name=None,
dev_number=None, hotplug=False):
self._check_is_supported_driver_type(connection_info)
connection_data = connection_info['data']
sr_ref, sr_uuid = self._connect_to_volume_provider(connection_data,
instance_name)
try:
vdi_ref = self._connect_hypervisor_to_volume(sr_ref,
connection_data)
vdi_uuid = self._session.VDI.get_uuid(vdi_ref)
LOG.info(_LI('Connected volume (vdi_uuid): %s'), vdi_uuid)
if vm_ref:
self._attach_volume_to_vm(vdi_ref, vm_ref, instance_name,
dev_number, hotplug)
return (sr_uuid, vdi_uuid)
except Exception:
with excutils.save_and_reraise_exception():
# NOTE(sirp): Forgetting the SR will have the effect of
# cleaning up the VDI and VBD records, so no need to handle
# that explicitly.
volume_utils.forget_sr(self._session, sr_ref)
def _connect_volume(self, connection_data, dev_number, instance_name, vm_ref, hotplug=True):
sr_uuid, sr_label, sr_params = volume_utils.parse_sr_info(connection_data, "Disk-for:%s" % instance_name)
# Introduce SR if not already present
sr_ref = volume_utils.find_sr_by_uuid(self._session, sr_uuid)
if not sr_ref:
sr_ref = volume_utils.introduce_sr(self._session, sr_uuid, sr_label, sr_params)
try:
# Introduce VDI
if "vdi_uuid" in connection_data:
vdi_ref = volume_utils.introduce_vdi(self._session, sr_ref, vdi_uuid=connection_data["vdi_uuid"])
elif "target_lun" in connection_data:
vdi_ref = volume_utils.introduce_vdi(self._session, sr_ref, target_lun=connection_data["target_lun"])
else:
# NOTE(sirp): This will introduce the first VDI in the SR
vdi_ref = volume_utils.introduce_vdi(self._session, sr_ref)
# Attach
vbd_ref = vm_utils.create_vbd(self._session, vm_ref, vdi_ref, dev_number, bootable=False, osvol=True)
if hotplug:
self._session.call_xenapi("VBD.plug", vbd_ref)
except Exception:
with excutils.save_and_reraise_exception():
# NOTE(sirp): Forgetting the SR will have the effect of
# cleaning up the VDI and VBD records, so no need to handle
# that explicitly.
volume_utils.forget_sr(self._session, sr_ref)
def _connect_volume(self,
connection_info,
dev_number=None,
instance_name=None,
vm_ref=None,
hotplug=True):
driver_type = connection_info['driver_volume_type']
if driver_type not in ['iscsi', 'xensm']:
raise exception.VolumeDriverNotFound(driver_type=driver_type)
connection_data = connection_info['data']
sr_uuid, sr_label, sr_params = volume_utils.parse_sr_info(
connection_data, 'Disk-for:%s' % instance_name)
# Introduce SR if not already present
sr_ref = volume_utils.find_sr_by_uuid(self._session, sr_uuid)
if not sr_ref:
sr_ref = volume_utils.introduce_sr(self._session, sr_uuid,
sr_label, sr_params)
try:
# Introduce VDI
if 'vdi_uuid' in connection_data:
vdi_ref = volume_utils.introduce_vdi(
self._session,
sr_ref,
vdi_uuid=connection_data['vdi_uuid'])
elif 'target_lun' in connection_data:
vdi_ref = volume_utils.introduce_vdi(
self._session,
sr_ref,
target_lun=connection_data['target_lun'])
else:
# NOTE(sirp): This will introduce the first VDI in the SR
vdi_ref = volume_utils.introduce_vdi(self._session, sr_ref)
# Attach
if vm_ref:
vbd_ref = vm_utils.create_vbd(self._session,
vm_ref,
vdi_ref,
dev_number,
bootable=False,
osvol=True)
running = not vm_utils.is_vm_shutdown(self._session, vm_ref)
if hotplug and running:
volume_utils.vbd_plug(self._session, vbd_ref, vm_ref)
vdi_uuid = self._session.call_xenapi("VDI.get_uuid", vdi_ref)
return (sr_uuid, vdi_uuid)
except Exception:
with excutils.save_and_reraise_exception():
# NOTE(sirp): Forgetting the SR will have the effect of
# cleaning up the VDI and VBD records, so no need to handle
# that explicitly.
volume_utils.forget_sr(self._session, sr_ref)
def forget_sr(self, sr_uuid):
sr_ref = volume_utils.find_sr_by_uuid(self._session, sr_uuid)
if sr_ref is None:
LOG.INFO(_('SR %s not found in the xapi database') % sr_uuid)
return
try:
volume_utils.forget_sr(self._session, sr_uuid)
except volume_utils.StorageError, exc:
LOG.exception(exc)
raise exception.NovaException(_('Could not forget SR'))
def forget_sr(self, sr_uuid):
sr_ref = volume_utils.find_sr_by_uuid(self._session, sr_uuid)
if sr_ref is None:
LOG.INFO(_('SR %s not found in the xapi database') % sr_uuid)
return
try:
volume_utils.forget_sr(self._session, sr_uuid)
except volume_utils.StorageError, exc:
LOG.exception(exc)
raise exception.NovaException(_('Could not forget SR'))
def _connect_volume(self, connection_info, dev_number=None,
instance_name=None, vm_ref=None, hotplug=True):
driver_type = connection_info['driver_volume_type']
if driver_type not in ['iscsi', 'xensm']:
raise exception.VolumeDriverNotFound(driver_type=driver_type)
connection_data = connection_info['data']
sr_uuid, sr_label, sr_params = volume_utils.parse_sr_info(
connection_data, 'Disk-for:%s' % instance_name)
# Introduce SR if not already present
sr_ref = volume_utils.find_sr_by_uuid(self._session, sr_uuid)
if not sr_ref:
sr_ref = volume_utils.introduce_sr(
self._session, sr_uuid, sr_label, sr_params)
try:
# Introduce VDI
if 'vdi_uuid' in connection_data:
vdi_ref = volume_utils.introduce_vdi(
self._session, sr_ref,
vdi_uuid=connection_data['vdi_uuid'])
elif 'target_lun' in connection_data:
vdi_ref = volume_utils.introduce_vdi(
self._session, sr_ref,
target_lun=connection_data['target_lun'])
else:
# NOTE(sirp): This will introduce the first VDI in the SR
vdi_ref = volume_utils.introduce_vdi(self._session, sr_ref)
# Attach
if vm_ref:
vbd_ref = vm_utils.create_vbd(self._session, vm_ref, vdi_ref,
dev_number, bootable=False,
osvol=True)
running = not vm_utils.is_vm_shutdown(self._session, vm_ref)
if hotplug and running:
self._session.VBD.plug(vbd_ref, vm_ref)
vdi_uuid = self._session.call_xenapi("VDI.get_uuid", vdi_ref)
return (sr_uuid, vdi_uuid)
except Exception:
with excutils.save_and_reraise_exception():
# NOTE(sirp): Forgetting the SR will have the effect of
# cleaning up the VDI and VBD records, so no need to handle
# that explicitly.
volume_utils.forget_sr(self._session, sr_ref)
def _connect_volume(self,
connection_data,
dev_number,
instance_name,
vm_ref,
hotplug=True):
sr_uuid, sr_label, sr_params = volume_utils.parse_sr_info(
connection_data, 'Disk-for:%s' % instance_name)
# Introduce SR if not already present
sr_ref = volume_utils.find_sr_by_uuid(self._session, sr_uuid)
if not sr_ref:
sr_ref = volume_utils.introduce_sr(self._session, sr_uuid,
sr_label, sr_params)
try:
# Introduce VDI
if 'vdi_uuid' in connection_data:
vdi_ref = volume_utils.introduce_vdi(
self._session,
sr_ref,
vdi_uuid=connection_data['vdi_uuid'])
elif 'target_lun' in connection_data:
vdi_ref = volume_utils.introduce_vdi(
self._session,
sr_ref,
target_lun=connection_data['target_lun'])
else:
# NOTE(sirp): This will introduce the first VDI in the SR
vdi_ref = volume_utils.introduce_vdi(self._session, sr_ref)
# Attach
vbd_ref = vm_utils.create_vbd(self._session,
vm_ref,
vdi_ref,
dev_number,
bootable=False,
osvol=True)
if hotplug:
self._session.call_xenapi("VBD.plug", vbd_ref)
except Exception:
with excutils.save_and_reraise_exception():
# NOTE(sirp): Forgetting the SR will have the effect of
# cleaning up the VDI and VBD records, so no need to handle
# that explicitly.
volume_utils.forget_sr(self._session, sr_ref)
