def __init__(self, driver, remote, schema):
super(OvnInitPGNbIdl, self).__init__(driver, remote, schema)
self.set_table_condition(
'Port_Group', [['name', '==', ovn_const.OVN_DROP_PORT_GROUP_NAME]])
self.neutron_pg_drop_event = NeutronPgDropPortGroupCreated(
timeout=ovn_conf.get_ovn_ovsdb_timeout())
self.notify_handler.watch_event(self.neutron_pg_drop_event)
def from_worker(cls, worker_class, driver=None):
args = (cfg.get_ovn_sb_connection(), 'OVN_Southbound')
if worker_class == worker.MaintenanceWorker:
idl_ = ovsdb_monitor.BaseOvnSbIdl.from_server(*args)
else:
idl_ = ovsdb_monitor.OvnSbIdl.from_server(*args, driver=driver)
conn = connection.Connection(idl_, timeout=cfg.get_ovn_ovsdb_timeout())
return cls(conn)
def from_worker(cls, worker_class, driver=None):
args = (cls.connection_string, cls.schema_helper)
if worker_class == worker.MaintenanceWorker:
idl_ = ovsdb_monitor.BaseOvnSbIdl.from_server(*args)
else:
idl_ = ovsdb_monitor.OvnSbIdl.from_server(*args, driver=driver)
conn = connection.Connection(idl_, timeout=cfg.get_ovn_ovsdb_timeout())
return cls(conn)
def __init__(self, driver, remote, schema):
super(OvnInitPGNbIdl, self).__init__(driver, remote, schema)
# self.cond_change() doesn't work here because we are setting the
# condition *before an initial monitor request is made* so there is
# no previous session whose condition we wish to change
self.tables['Port_Group'].condition = [
['name', '==', ovn_const.OVN_DROP_PORT_GROUP_NAME]]
self.neutron_pg_drop_event = NeutronPgDropPortGroupCreated(
timeout=ovn_conf.get_ovn_ovsdb_timeout())
self.notify_handler.watch_event(self.neutron_pg_drop_event)
def short_living_ovsdb_api(api_class, idl):
"""Context manager for short living connections to the database.
:param api_class: Class implementing the database calls
(e.g. from the impl_idl module)
:param idl: An instance of IDL class (e.g. instance of OvnNbIdl)
"""
conn = connection.Connection(idl, timeout=ovn_conf.get_ovn_ovsdb_timeout())
api = api_class(conn)
try:
yield api
finally:
api.ovsdb_connection.stop()
def get_connection(db_class, trigger=None, driver=None, binding_events=False):
if db_class == OvsdbNbOvnIdl:
args = (cfg.get_ovn_nb_connection(), 'OVN_Northbound')
elif db_class == OvsdbSbOvnIdl:
args = (cfg.get_ovn_sb_connection(), 'OVN_Southbound')
if binding_events:
if db_class == OvsdbNbOvnIdl:
idl_ = ovsdb_monitor.OvnNbIdl.from_server(*args, driver=driver)
else:
idl_ = ovsdb_monitor.OvnSbIdl.from_server(*args, driver=driver)
else:
if db_class == OvsdbNbOvnIdl:
idl_ = ovsdb_monitor.BaseOvnIdl.from_server(*args)
else:
idl_ = ovsdb_monitor.BaseOvnSbIdl.from_server(*args)
return connection.Connection(idl_, timeout=cfg.get_ovn_ovsdb_timeout())
def start(self):
LOG.info('Getting OvsdbSbOvnIdl for MetadataAgent with retry')
conn = connection.Connection(self,
timeout=config.get_ovn_ovsdb_timeout())
return impl_idl_ovn.OvsdbSbOvnIdl(conn)
def start(self):
conn = connection.Connection(self,
timeout=config.get_ovn_ovsdb_timeout())
return impl_idl_ovn.OvsdbSbOvnIdl(conn)
