def match_rows(manager, system_id, table, fn):
def _match_rows(tables):
return (r for r in tables[table].rows.values() if fn(r))
request = ovsdb_event.EventReadRequest(system_id, _match_rows)
reply = manager.send_request(request)
return reply.result
def match_row(manager, system_id, table, fn):
def _match_row(tables):
return next((r for r in tables[table].rows.values() if fn(r)), None)
request_to_get_tables = ovsdb_event.EventReadRequest(system_id, _match_row)
reply_to_get_tables = manager.send_request(request_to_get_tables)
return reply_to_get_tables.result
def get_system_id_for_datapath_id(manager, datapath_id):
def _get_dp_ids(tables):
bridges = tables.get('Bridge')
if not bridges:
return None
for bridge in bridges.rows.values():
datapath_ids = [
dpidlib.str_to_dpid(dp_id) for dp_id in bridge.datapath_id
]
if datapath_id in datapath_ids:
openvswitch = tables['Open_vSwitch'].rows
if openvswitch:
row = openvswitch.get(list(openvswitch.keys())[0])
return row.external_ids.get('system-id')
return None
request = ovsdb_event.EventReadRequest(None, _get_dp_ids)
reply = manager.send_request(request)
# NOTE(jkoelker) Bulk reads return a tuple of (system_id, result)
for result in reply.result:
if result[1]:
return result[0]
return None
def get_table(manager, system_id, name):
def _get_table(tables):
return tables[name]
request_to_get_tables = ovsdb_event.EventReadRequest(system_id, _get_table)
reply_to_get_tables = manager.send_request(request_to_get_tables)
return reply_to_get_tables.result
def get_datapath_ids_for_systemd_id(manager, system_id):
def _get_dp_ids(tables):
dp_ids = []
bridges = tables.get('Bridge')
if not bridges:
return dp_ids
for bridge in bridges.rows.values():
datapath_ids = bridge.datapath_id
dp_ids.extend(dpidlib.str_to_dpid(dp_id) for dp_id in datapath_ids)
return dp_ids
request = ovsdb_event.EventReadRequest(system_id, _get_dp_ids)
reply = manager.send_request(request)
return reply.result
