def migrate(self, instanceid, destination_node_uuid, wait=True):
'''
Migrates the given instance
paremeters
----------
instanceid : string
UUID of instance
destination_node_uuid : string
UUID of destination node
wait : bool
optional, call will block until FDU is migrated
returns
-------
string
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
src_record = InfraFDU(record)
dst_record = InfraFDU(record)
fduid = record.get_fdu_id()
src_record.set_status('TAKE_OFF')
dst_record.set_status('LAND')
src_record.set_migration_properties(node, destination_node_uuid)
dst_record.set_migration_properties(node, destination_node_uuid)
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid,
destination_node_uuid,
fduid, instanceid, dst_record.to_json())
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid,
node, fduid, instanceid, src_record.to_json())
if wait:
self.__wait_node_fdu_state_change(instanceid, 'RUN')
return instanceid
def migrate(self, instanceid, destination_node_uuid, wait=True):
'''
Live migrate an instance between two nodes
The migration is issued when this command is sended,
there is a little overhead for the copy of the base image and the disk image
:param instanceid: fdu you want to migrate
:param destination_node_uuid: destination node
:param wait: optional wait before returning
:return: instanceid
'''
node = self.connector.glob.actual.get_fdu_instance_node(
self.sysid, self.tenantid, instanceid)
if node is None:
raise ValueError('Unable to find node for this instanceid')
record = self.connector.glob.actual.get_node_fdu_instance(
self.sysid, self.tenantid, node, instanceid)
src_record = InfraFDU(record)
dst_record = InfraFDU(record)
fduid = record.get_fdu_id()
src_record.set_status('TAKE_OFF')
dst_record.set_status('LAND')
src_record.set_migration_properties(node, destination_node_uuid)
dst_record.set_migration_properties(node, destination_node_uuid)
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid,
destination_node_uuid,
fduid, instanceid,
dst_record.to_json())
self.connector.glob.desired.add_node_fdu(self.sysid, self.tenantid,
node, fduid, instanceid,
src_record.to_json())
if wait:
self.__wait_node_fdu_state_change(instanceid, 'RUN')
return instanceid