def dispatch_event(self, event_name: str, event_data: dict):
""" Dispatch event """
self.logger.debug("Dispatching event: %s, event data: %s", event_name, json.dumps(event_data))
# Get the correlation ID if it exists, otherwise create one
cid = locals.get_cid() or str(uuid4())
event_data["cid"] = cid
self.dispatch(event_name, event_data)
def call_service_method(self, service_name: str, method_name: str, use_async: bool, *args, **kwargs):
""" Call an RPC method from a service """
self.logger.debug("Calling service: %s, method: %s", service_name, method_name)
try:
# Get the correlation ID if it exists, otherwise create one
cid = locals.get_cid() or str(uuid4())
with self._get_connection_pool().next() as rpc:
service = getattr(rpc, service_name)
method = getattr(service, method_name)
if use_async:
return method.call_async(cid, *args, **kwargs)
else:
return method(cid, *args, **kwargs)
except Exception as ex:
self.logger.error("RPC call failed with error %s", getattr(ex, 'message', repr(ex)))
raise ex
def call_service_method(self, service_name: str, method_name: str, use_async: bool, *args, **kwargs):
""" Call an RPC method from a service """
self.logger.debug("Calling service: %s, method: %s", service_name, method_name)
try:
# Get the correlation ID if it exists, otherwise create one
cid = locals.get_cid() or str(uuid4())
with ClusterRpcProxy(self.config) as cluster_rpc:
service = getattr(cluster_rpc, service_name)
method = getattr(service, method_name)
new_kwargs = {**kwargs, **{"cid": cid}}
if use_async:
return method.call_async(*args, **new_kwargs)
else:
return method(*args, **new_kwargs)
except Exception as ex:
self.logger.error("RPC call failed with error %s", getattr(ex, 'message', repr(ex)))
raise ex
def _add_comment(self, sql):
cid = get_cid()
cid_sql_template = getattr(settings, "CID_SQL_COMMENT_TEMPLATE", "cid: {cid}")
cid = cid.replace("/*", r"\/\*").replace("*/", r"\*\/")
return "{}\n/* {} */".format(sql, cid_sql_template.format(cid=cid))
def filter(self, record):
record.cid = get_cid()
return True
def filter(self, record):
record.cid = get_cid()
return True
def correlation(logger, log_method, event_dict):
"""
Adds the application correlation id to the logs.
"""
event_dict['correlation'] = get_cid()
return event_dict
def test_get_empty_cid(self):
self.assertIsNone(get_cid())
def test_set_cid(self):
self.assertIsNone(get_cid())
set_cid(self.cid)
self.assertEqual(self.cid, get_cid())
def _process_response(self, response):
cid = get_cid()
if cid and self.cid_response_header:
response[self.cid_response_header] = cid
return response
def _process_response(self, response):
cid = get_cid()
if cid and self.cid_response_header:
response[self.cid_response_header] = cid
return response
def test_set_cid(self):
self.assertIsNone(get_cid())
set_cid(self.cid)
self.assertEqual(self.cid, get_cid())
def test_get_empty_cid(self):
self.assertIsNone(get_cid())
def make_json(path):
jsondict = OrderedDict()
jsondict["cid"] = get_cid()
jsondict["path"] = path
msg_q(TOPIC, jsondict)