def __init__(self,
config,
migration,
obj,
name_suffix=None,
requires=None,
**kwargs):
name = '{0}_{1}'.format(utils.qualname(self.__class__),
taskflow_utils.object_name(obj))
if name_suffix is not None:
name += '_' + name_suffix
if requires is None:
requires = []
else:
requires = list(requires)
requires.extend(reflection.get_callable_args(self.migrate))
super(MigrationTask, self).__init__(name=name,
requires=requires,
**kwargs)
self.src_cloud = config.clouds[migration.source]
self.dst_cloud = config.clouds[migration.destination]
self.config = config
self.migration = migration
self.created_object = None
def __init__(self, obj, config, migration, **kwargs):
super(MigrationTask, self).__init__(
name='{0}_{1}'.format(utils.qualname(self.__class__),
taskflow_utils.object_name(obj)),
requires=reflection.get_callable_args(self.migrate),
**kwargs)
self.src_object = obj
self.config = config
self.migration = migration
self.created_object = None
def __init__(self, obj, config, migration, **kwargs):
super(MigrationTask, self).__init__(
name='{0}_{1}'.format(utils.qualname(self.__class__),
taskflow_utils.object_name(obj)),
requires=reflection.get_callable_args(self.migrate),
**kwargs)
self.src_object = obj
self.config = config
self.migration = migration
self.created_object = None
def create_migration_flow(obj, config, migration):
"""
Creates migration flow for object ``obj`` based on configuration ``config``
migration ``migration``.
:param obj: model.Model instance
:param config: configuration
:param migration: migration (part of configuration)
:return: migration flow for an object
"""
if obj.find_link(config.clouds[migration.destination]) is not None:
return None
cls = obj.get_class()
flow_factories = migration.migration_flow_factories
if cls not in flow_factories:
raise RuntimeError('Failed to find migration flow factory')
else:
flow = linear_flow.Flow('top_level_' + taskflow_utils.object_name(obj),
retry=retry.AlwaysRevert())
factory = flow_factories[cls]()
migration_tasks = factory.create_flow(config, migration, obj)
flow.add(*migration_tasks)
return flow
def create_migration_flow(obj, config, migration):
"""
Creates migration flow for object ``obj`` based on configuration ``config``
migration ``migration``.
:param obj: model.Model instance
:param config: configuration
:param migration: migration (part of configuration)
:return: migration flow for an object
"""
if obj.find_link(config.clouds[migration.destination]) is not None:
return None
cls = obj.get_class()
flow_factories = migration.migration_flow_factories
if cls not in flow_factories:
raise RuntimeError('Failed to find migration flow factory')
else:
flow = linear_flow.Flow('top_level_' + taskflow_utils.object_name(obj),
retry=retry.AlwaysRevert())
factory = flow_factories[cls]()
migration_tasks = factory.create_flow(config, migration, obj)
flow.add(*migration_tasks)
return flow
def __init__(self, obj, **kwargs):
super(InjectSourceObject,
self).__init__(name='InjectSourceObject_{}'.format(
taskflow_utils.object_name(obj)),
**kwargs)
self.source_obj = obj
