def get_copier_class(name=None):
"""
Returns the copier by its name or default copier if name is None
:param name: Name of copier or None
:return: A copier's class
"""
name = name or CONF.migrate.copy_backend
copiers = extensions.available_extensions(BaseCopier, "cloudferrylib.copy_engines")
for copier in copiers:
if copier.get_name() == name:
return copier
raise CopierNotFound(name)
def get_copier_class(name=None):
"""
Returns the copier by its name or default copier if name is None
:param name: Name of copier or None
:return: A copier's class
"""
name = name or CONF.migrate.copy_backend
copiers = extensions.available_extensions(BaseCopier,
'cloudferrylib.copy_engines')
for copier in copiers:
if copier.get_name() == name:
return copier
raise CopierNotFound(name)
def get_cinder_backend(context):
""":returns: instance of cinder plugin"""
cloud = context.position
storage_config = context.config['{cloud}_storage'.format(cloud=cloud)]
configured_backend = storage_config.backend
for plugin in extensions.available_extensions(base.CinderMigrationPlugin,
__name__):
if configured_backend.lower() == plugin.PLUGIN_NAME:
return plugin.from_context(context)
msg = ("Invalid cinder plugin '{plugin}' specified in "
"config".format(plugin=configured_backend))
raise InvalidCinderPluginError(msg)
def get_cinder_backend(context):
""":returns: instance of cinder plugin"""
cloud = context.position
storage_config = context.config['{cloud}_storage'.format(cloud=cloud)]
configured_backend = storage_config.backend
for plugin in extensions.available_extensions(base.CinderMigrationPlugin,
__name__):
if configured_backend.lower() == plugin.PLUGIN_NAME:
return plugin.from_context(context)
msg = ("Invalid cinder plugin '{plugin}' specified in "
"config".format(plugin=configured_backend))
raise InvalidCinderPluginError(msg)
def init_tasks(self, init):
with open(self.path_tasks) as tasks_file:
tasks_file = yaml.load(tasks_file)
actions = {}
for path in tasks_file['paths']:
actions.update({e.__name__: e
for e in extensions.available_extensions(
action.Action, path)})
tasks = {}
for task in tasks_file['tasks']:
args = tasks_file['tasks'][task][1:]
if args and isinstance(args[-1], dict):
args_map = args[-1]
args = args[:-1]
else:
args_map = {}
tasks[task] = actions[tasks_file['tasks'][task][0]](init,
*args,
**args_map)
self.tasks = tasks
def init_tasks(self, init):
with open(self.path_tasks) as tasks_file:
tasks_file = yaml.load(tasks_file)
actions = {}
for path in tasks_file['paths']:
actions.update({
e.__name__: e
for e in extensions.available_extensions(
action.Action, path)
})
tasks = {}
for task in tasks_file['tasks']:
args = tasks_file['tasks'][task][1:]
if args and isinstance(args[-1], dict):
args_map = args[-1]
args = args[:-1]
else:
args_map = {}
tasks[task] = actions[tasks_file['tasks'][task][0]](init,
*args,
**args_map)
self.tasks = tasks
def test_plugins_are_inherited_from_base(self):
self.assertTrue(all((issubclass(p, base.CinderMigrationPlugin)
for p in extensions.available_extensions(
base.CinderMigrationPlugin, OS_STORAGE_PLUGINS))))
def test_returns_list(self):
self.assertIsInstance(
extensions.available_extensions(base.CinderMigrationPlugin,
OS_STORAGE_PLUGINS), list)
def test_plugins_are_inherited_from_base(self):
self.assertTrue(
all((issubclass(p, base.CinderMigrationPlugin)
for p in extensions.available_extensions(
base.CinderMigrationPlugin, OS_STORAGE_PLUGINS))))
def test_returns_list(self):
self.assertIsInstance(
extensions.available_extensions(base.CinderMigrationPlugin,
OS_STORAGE_PLUGINS), list)