def shutdown_nodes(self, nodes, sig=signal.SIGTERM, retry=None):
P = set(nodes)
maybe_call(self.on_stopping_preamble, nodes)
to_remove = set()
for node in P:
maybe_call(self.on_send_signal, node, signal_name(sig))
if not node.send(sig, self.on_node_signal_dead):
to_remove.add(node)
yield node
P -= to_remove
if retry:
maybe_call(self.on_still_waiting_for, P)
its = 0
while P:
to_remove = set()
for node in P:
its += 1
maybe_call(self.on_still_waiting_progress, P)
if not node.alive():
maybe_call(self.on_node_shutdown_ok, node)
to_remove.add(node)
yield node
maybe_call(self.on_still_waiting_for, P)
break
P -= to_remove
if P and not its % len(P):
sleep(float(retry))
maybe_call(self.on_still_waiting_end)
def shutdown_nodes(self, nodes, sig=signal.SIGTERM, retry=None):
P = set(nodes)
maybe_call(self.on_stopping_preamble, nodes)
to_remove = set()
for node in P:
maybe_call(self.on_send_signal, node, signal_name(sig))
if not node.send(sig, self.on_node_signal_dead):
to_remove.add(node)
yield node
P -= to_remove
if retry:
maybe_call(self.on_still_waiting_for, P)
its = 0
while P:
to_remove = set()
for node in P:
its += 1
maybe_call(self.on_still_waiting_progress, P)
if not node.alive():
maybe_call(self.on_node_shutdown_ok, node)
to_remove.add(node)
yield node
maybe_call(self.on_still_waiting_for, P)
break
P -= to_remove
if P and not its % len(P):
sleep(float(retry))
maybe_call(self.on_still_waiting_end)
def send_all(self, sig):
for node in self.getpids(on_down=self.on_node_down):
maybe_call(self.on_node_signal, node, signal_name(sig))
node.send(sig, self.on_node_signal_dead)
def send_all(self, sig):
for node in self.getpids(on_down=self.on_node_down):
maybe_call(self.on_node_signal, node, signal_name(sig))
node.send(sig, self.on_node_signal_dead)
