def create_datasource_service(self, datasource):
"""Create a new DataService on this node.
:param: datasource: datsource object.
"""
# get the driver info for the datasource
ds_dict = self.make_datasource_dict(datasource)
if not ds_dict['enabled']:
LOG.info("datasource %s not enabled, skip loading",
ds_dict['name'])
return
driver = self.loaded_drivers.get(ds_dict['driver'])
if not driver:
raise exception.DriverNotFound(id=ds_dict['driver'])
if ds_dict['config'] is None:
args = {'ds_id': ds_dict['id']}
else:
args = dict(ds_dict['config'], ds_id=ds_dict['id'])
kwargs = {'name': ds_dict['name'], 'args': args}
LOG.info("creating service %s with class %s and args %s",
ds_dict['name'], driver.plugin,
strutils.mask_password(kwargs, "****"))
try:
service = driver.plugin(**kwargs)
except Exception:
msg = ("Error loading instance of module '%s'")
LOG.exception(msg, driver.plugin)
raise exception.DataServiceError(msg % driver.plugin)
return service
def create_datasource_service(self, datasource):
"""Create a new DataService on this node.
:param: name is the name of the service. Must be unique across all
services
:param: classPath is a string giving the path to the class name, e.g.
congress.datasources.fake_datasource.FakeDataSource
:param: args is the list of arguments to give the DataService
constructor
:param: type\_ is the kind of service
:param: id\_ is an optional parameter for specifying the uuid.
"""
# get the driver info for the datasource
ds_dict = self.make_datasource_dict(datasource)
if not ds_dict['enabled']:
LOG.info("datasource %s not enabled, skip loading",
ds_dict['name'])
return
driver = self.loaded_drivers.get(ds_dict['driver'])
if not driver:
raise exception.DriverNotFound(id=ds_dict['driver'])
if ds_dict['config'] is None:
args = {'ds_id': ds_dict['id']}
else:
args = dict(ds_dict['config'], ds_id=ds_dict['id'])
kwargs = {'name': ds_dict['name'], 'args': args}
LOG.info("creating service %s with class %s and args %s",
ds_dict['name'], driver.plugin,
strutils.mask_password(kwargs, "****"))
try:
service = driver.plugin(**kwargs)
except Exception:
msg = ("Error loading instance of module '%s'")
LOG.exception(msg, driver.plugin)
raise exception.DataServiceError(msg % driver.plugin)
return service
def get_driver_info(cls, driver_name):
driver = cls.loaded_drivers.get(driver_name)
if not driver:
raise exception.DriverNotFound(id=driver_name)
return driver.plugin.get_datasource_info()
def get_driver_info(self, driver):
driver = self.loaded_drivers.get(driver)
if not driver:
raise exception.DriverNotFound(id=driver)
return driver