class RabbitMQCnxFixture(AbstractTestFixture):
"""
Mock a message over RabbitMQ
"""
def _get_producer(self):
producer = producers[self._mock_rabbit_connection].acquire(block=True, timeout=2)
self._connections.add(producer.connection)
return producer
def setup(self):
#Note: not a setup_class method, not to conflict with AbstractTestFixture's setup
self._mock_rabbit_connection = BrokerConnection("pyamqp://*****:*****@localhost:5672")
self._connections = {self._mock_rabbit_connection}
self._exchange = Exchange('navitia', durable=True, delivry_mode=2, type='topic')
self._mock_rabbit_connection.connect()
#wait for the cnx to run the test
self._wait_for_rabbitmq_cnx()
def teardown(self):
#we need to release the amqp connection
self._mock_rabbit_connection.release()
def _publish(self, item):
with self._get_producer() as producer:
producer.publish(item, exchange=self._exchange, routing_key=rt_topic, declare=[self._exchange])
def _make_mock_item(self, *args, **kwargs):
"""
method to overload to create a mock object to send over rabbitmq
"""
raise NotImplementedError()
def send_mock(self, *args, **kwargs):
status = self.query_region('status')
last_loaded_data = get_not_null(status['status'], 'last_rt_data_loaded')
item = self._make_mock_item(*args, **kwargs)
self._publish(item)
#we sleep a bit to let kraken reload the data
self._poll_until_reload(last_loaded_data)
def _poll_until_reload(self, previous_val):
"""
poll until the kraken have reloaded its data
check that the last_rt_data_loaded field is different from the first call
"""
Retrying(stop_max_delay=10 * 1000, wait_fixed=100,
retry_on_result=lambda status: get_not_null(status['status'], 'last_rt_data_loaded') == previous_val) \
.call(lambda: self.query_region('status'))
def _wait_for_rabbitmq_cnx(self):
"""
poll until the kraken is connected to rabbitmq
small timeout because it must not be long (otherwise it way be a server configuration problem)
"""
Retrying(stop_max_delay=1 * 1000, wait_fixed=50,
retry_on_result=lambda status: get_not_null(status['status'], 'is_connected_to_rabbitmq') is False) \
.call(lambda: self.query_region('status'))
def send_end(num):
connection = BrokerConnection(hostname = 'myhost',
userid = 'webfis',
password = '******',
virtual_host = 'webfishost',
port = 5672)
publisher = Publisher(connection=connection,
exchange="end",
routing_key="end"+str(num),
exchange_type="direct")
publisher.send("end")
publisher.close()
connection.release()
def check_end(num):
connection = BrokerConnection(hostname = 'myhost',
userid = 'webfis',
password = '******',
virtual_host = 'webfishost',
port = 5672)
consumer = Consumer(connection=connection,
queue="end"+str(num),
exchange="end",
routing_key="end"+str(num),
exchange_type="direct")
message = consumer.fetch()
if message and message.payload == "end":
end = True
else:
end = False
consumer.close()
connection.release()
return end
def main():
""" Query the master server and add the results to the database """
usage = 'usage: masterserver.py [options]'
parser = OptionParser(usage)
parser.add_option("-d", "--debug",
action="store_true", dest="debug", default=False,
help="enable debug messages")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.error('incorrect number of arguments')
logging.basicConfig(level=logging.DEBUG)
if not options.debug:
logging.disable(logging.DEBUG)
# declare exchange
server_exchange = Exchange('servers', type='fanout')
# set up our amqp connection
connection = BrokerConnection(
hostname='localhost',
userid='gamelion',
password='******',
virtual_host='/'
)
channel = connection.channel()
producer = Producer(channel, server_exchange, serializer="pickle")
# run through all the master servers we know of and ask them for ips
for server_address in master_servers:
logging.debug('*' * 60)
logging.debug('NEW SERVER: %s', str(server_address))
logging.debug('*' * 60)
run_full_query(server_address, producer)
channel.close()
connection.release()
def get_error(num):
connection = BrokerConnection(hostname = 'myhost',
userid = 'webfis',
password = '******',
virtual_host = 'webfishost',
port = 5672)
consumer = Consumer(connection=connection,
queue=str(num),
exchange="error",
routing_key=str(num),
exchange_type="direct")
message = consumer.fetch()
if message:
error = message.payload
message.ack()
print("geterror: " + str(error))
else:
error = "wait"
consumer.close()
connection.release()
return error
class ChaosDisruptionsFixture(AbstractTestFixture):
"""
Mock a chaos disruption message, in order to check the api
"""
def _get_producer(self):
producer = producers[self.mock_chaos_connection].acquire(block=True,
timeout=2)
self._connections.add(producer.connection)
return producer
def setup(self):
self.mock_chaos_connection = BrokerConnection(
"pyamqp://*****:*****@localhost:5672")
self._connections = {self.mock_chaos_connection}
self._exchange = Exchange('navitia',
durable=True,
delivry_mode=2,
type='topic')
self.mock_chaos_connection.connect()
def teardown(self):
#we need to release the amqp connection
self.mock_chaos_connection.release()
def send_chaos_disruption(self,
disruption_name,
impacted_obj,
impacted_obj_type,
start=None,
end=None,
message='default_message',
is_deleted=False,
blocking=False,
start_period="20100412T165200",
end_period="20200412T165200"):
item = make_mock_chaos_item(disruption_name, impacted_obj,
impacted_obj_type, start, end, message,
is_deleted, blocking, start_period,
end_period)
with self._get_producer() as producer:
producer.publish(item,
exchange=self._exchange,
routing_key=chaos_rt_topic,
declare=[self._exchange])
def send_chaos_disruption_and_sleep(self,
disruption_name,
impacted_obj,
impacted_obj_type,
start=None,
end=None,
message='default_message',
is_deleted=False,
blocking=False,
start_period="20100412T165200",
end_period="20200412T165200"):
status = self.query_region('status')
last_loaded_data = get_not_null(status['status'],
'last_rt_data_loaded')
self.send_chaos_disruption(disruption_name, impacted_obj,
impacted_obj_type, start, end, message,
is_deleted, blocking, start_period,
end_period)
#we sleep a bit to let kraken reload the data
self.poll_until_reload(last_loaded_data)
def poll_until_reload(self, previous_val):
"""
poll until the kraken have reloaded its data
check that the last_rt_data_loaded field is different from the first call
"""
Retrying(stop_max_delay=10 * 1000, wait_fixed=100,
retry_on_result=lambda status: get_not_null(status['status'], 'last_rt_data_loaded') == previous_val) \
.call(lambda: self.query_region('status'))
def wait_for_rabbitmq_cnx(self):
"""
poll until the kraken is connected to rabbitmq
small timeout because it must not be long (otherwise it way be a server configuration problem)
"""
Retrying(stop_max_delay=1 * 1000, wait_fixed=50,
retry_on_result=lambda status: get_not_null(status['status'], 'is_connected_to_rabbitmq') is False) \
.call(lambda: self.query_region('status'))
