def announce_node(self, node_name, engine, process_dispatcher, state=None):
"""Announce a node to each process dispatcher.
@param node_name: the name of the node to advertise
@param engine: the execution engine of the node
@param process_dispatcher: the pd to announce to
@param state: the state to advertise to the pd
"""
if not state:
state = InstanceState.RUNNING
pd_client = ProcessDispatcherClient(self.dashi, process_dispatcher)
log.info("Announcing %s of engine %s is '%s' to %s" %
(node_name, engine, state, process_dispatcher))
domain_id = domain_id_from_engine(engine)
for i in range(1, ADVERTISE_RETRIES):
try:
pd_client.node_state(node_name, domain_id, state)
break
except timeout:
wait_time = i * i # Exponentially increasing wait
log.warning("PD '%s' not available yet. Waiting %ss" %
(process_dispatcher, wait_time))
time.sleep(2**i)
def announce_node(self, node_name, engine, process_dispatcher,
state=None):
"""Announce a node to each process dispatcher.
@param node_name: the name of the node to advertise
@param engine: the execution engine of the node
@param process_dispatcher: the pd to announce to
@param state: the state to advertise to the pd
"""
if not state:
state = InstanceState.RUNNING
pd_client = ProcessDispatcherClient(self.dashi, process_dispatcher)
log.info("Announcing %s of engine %s is '%s' to %s" % (node_name,
engine, state, process_dispatcher))
domain_id = domain_id_from_engine(engine)
for i in range(1, ADVERTISE_RETRIES):
try:
pd_client.node_state(node_name, domain_id, state)
break
except timeout:
wait_time = i * i # Exponentially increasing wait
log.warning("PD '%s' not available yet. Waiting %ss" % (process_dispatcher, wait_time))
time.sleep(2 ** i)
