def run(self):
while True:
eventlet.sleep(0)
try:
for data in self.pub_sub.listen():
if 'subscribe' == data['type']:
continue
if 'unsubscribe' == data['type']:
continue
if 'message' == data['type']:
entry = pub_sub_api.unpack_message(data['data'])
entry_json = jsonutils.loads(entry)
self.db_changes_callback(entry_json['table'],
entry_json['key'],
entry_json['action'],
entry_json['value'],
entry_json['topic'])
except Exception as e:
LOG.warning(e)
try:
connection = self.pub_sub.connection
connection.connect()
self.db_changes_callback(None, None, 'sync', None, None)
except Exception as e:
LOG.exception(
_LE("reconnect error %(ip)s:%(port)s") % {
'ip': self.ip,
'port': self.plugin_updates_port
})
def run(self):
while True:
eventlet.sleep(0)
try:
for data in self.pub_sub.listen():
if 'subscribe' == data['type']:
continue
if 'unsubscribe' == data['type']:
continue
if 'message' == data['type']:
entry = pub_sub_api.unpack_message(data['data'])
entry_json = jsonutils.loads(entry)
self.db_changes_callback(
entry_json['table'],
entry_json['key'],
entry_json['action'],
entry_json['value'],
entry_json['topic'])
except Exception as e:
LOG.warning(e)
try:
connection = self.pub_sub.connection
connection.connect()
self.db_changes_callback(None, None, 'sync', None, None)
except Exception as e:
LOG.exception(_LE("reconnect error %(ip)s:%(port)s")
% {'ip': self.ip,
'port': self.plugin_updates_port})
def handle_event(self, event):
unpacked_event = pub_sub_api.unpack_message(event["kv"]["value"])
self.db_changes_callback(
unpacked_event['table'],
unpacked_event['key'],
unpacked_event['action'],
unpacked_event['value'],
unpacked_event['topic'],
)
def run(self):
self.sub_socket = self.connect()
LOG.info(
_LI("Starting Subscriber on ports %(endpoints)s ") %
{'endpoints': str(self.uri_list)})
while True:
try:
eventlet.sleep(0)
[topic, data] = self.sub_socket.recv_multipart()
message = pub_sub_api.unpack_message(data)
self.db_changes_callback(
message['table'],
message['key'],
message['action'],
message['value'],
message['topic'],
)
except Exception as e:
LOG.warning(e)
self.sub_socket.close()
self.sub_socket = self.connect()
self.db_changes_callback(None, None, 'sync', None, None)
def run(self):
self.sub_socket = self.connect()
LOG.info(_LI("Starting Subscriber on ports %(endpoints)s ")
% {'endpoints': str(self.uri_list)})
while True:
try:
eventlet.sleep(0)
[topic, data] = self.sub_socket.recv_multipart()
entry_json = pub_sub_api.unpack_message(data)
message = jsonutils.loads(entry_json)
self.db_changes_callback(
message['table'],
message['key'],
message['action'],
message['value'],
message['topic'],
)
except Exception as e:
LOG.warning(e)
self.sub_socket.close()
self.sub_socket = self.connect()
self.db_changes_callback(None, None, 'sync',
None, None)
def run(self):
while not self.is_closed:
time.sleep(0)
try:
if self.pub_sub is not None:
for data in self.pub_sub.listen():
if 'subscribe' == data['type']:
continue
elif 'unsubscribe' == data['type']:
continue
elif 'message' == data['type']:
# Redis management module publishes node list
# on topic 'redis'.
# All other topics are for the user.
if data['channel'] == 'redis':
# redis ha message
message = pub_sub_api.unpack_message(
data['data'])
value = jsonutils.loads(message['value'])
self.redis_mgt.redis_failover_callback(value)
else:
self._handle_incoming_event(data['data'])
else:
LOG.warning(
"receive unknown message in "
"subscriber %(type)s", {'type': data['type']})
else:
LOG.warning("pubsub lost connection %(ip)s:"
"%(port)s", {
'ip': self.ip,
'port': self.plugin_updates_port
})
time.sleep(1)
except Exception as e:
LOG.warning(
"subscriber listening task lost "
"connection "
"%(e)s", {'e': e})
try:
connection = self.pub_sub.connection
connection.connect()
self.pub_sub.on_connect(connection)
# self.db_changes_callback(None, None, 'sync', None, None)
# notify restart
self.db_changes_callback(None, None,
constants.CONTROLLER_DBRESTART,
False, None)
except Exception:
self.redis_mgt.remove_node_from_master_list(self.remote)
self._update_client()
# if pubsub not none notify restart
if self.remote is not None:
# to re-subscribe
self.register_hamsg_for_db()
self.db_changes_callback(
None, None, constants.CONTROLLER_DBRESTART, True,
None)
else:
LOG.warning("there is no more db node available")
LOG.exception("reconnect error %(ip)s:%(port)s", {
'ip': self.ip,
'port': self.plugin_updates_port
})
def run(self):
while True:
eventlet.sleep(0)
try:
if self.pub_sub is not None:
for data in self.pub_sub.listen():
if 'subscribe' == data['type']:
continue
elif 'unsubscribe' == data['type']:
continue
elif 'message' == data['type']:
message = pub_sub_api.unpack_message(data['data'])
if message['table'] != 'ha':
self.db_changes_callback(
message['table'],
message['key'],
message['action'],
message['value'],
message['topic'])
else:
# redis ha message
value = jsonutils.loads(message['value'])
self.redis_mgt.redis_failover_callback(
value)
else:
LOG.warning(_LW("receive unknown message in "
"subscriber %(type)s"),
{'type': data['type']})
else:
LOG.warning(_LW("pubsub lost connection %(ip)s:"
"%(port)s"),
{'ip': self.ip,
'port': self.plugin_updates_port})
eventlet.sleep(1)
except Exception as e:
LOG.warning(_LW("subscriber listening task lost "
"connection "
"%(e)s"), {'e': e})
try:
connection = self.pub_sub.connection
connection.connect()
self.pub_sub.on_connect(connection)
# self.db_changes_callback(None, None, 'sync', None, None)
# notify restart
self.db_changes_callback(None, None, 'dbrestart', False,
None)
except Exception:
self.redis_mgt.remove_node_from_master_list(self.remote)
self._update_client()
# if pubsub not none notify restart
if self.remote is not None:
# to re-subscribe
self.register_hamsg_for_db()
self.db_changes_callback(None, None, 'dbrestart',
True, None)
else:
LOG.warning(_LW("there is no more db node "
"available"))
LOG.exception(_LE("reconnect error %(ip)s:%(port)s"),
{'ip': self.ip,
'port': self.plugin_updates_port})
