def run(self):
self.init_env()
self.init_arguments()
config = self.parse_config()
rabbit_mq_endpoint = ServiceEndpoint.from_string(self.RABBIT_MQ_ENDPOINT)
self._connection = pika.BlockingConnection(
pika.ConnectionParameters(host=rabbit_mq_endpoint.host_ip, port=rabbit_mq_endpoint.port)
)
self._channel = self._connection.channel()
self.delete_queue()
self.create_rabbit_mq_queues(self._rabbitmq_endpoint_argument)
self._scaling_action_sender = RabbitMQScalingActionSender(
rabbit_mq_endpoint,
self.RABBITMQ_SCALING_REQUEST_QUEUE_NAME
)
content = self.create_content()
self.send_content(content)
time.sleep(2)
self.check_if_content_in_queue(content)
self._scaling_action_sender.close()
class TestScalingActionSender(Dynamite.Dynamite):
RABBIT_MQ_ENDPOINT = "127.0.0.1:5672"
def run(self):
self.init_env()
self.init_arguments()
config = self.parse_config()
rabbit_mq_endpoint = ServiceEndpoint.from_string(self.RABBIT_MQ_ENDPOINT)
self._connection = pika.BlockingConnection(
pika.ConnectionParameters(host=rabbit_mq_endpoint.host_ip, port=rabbit_mq_endpoint.port)
)
self._channel = self._connection.channel()
self.delete_queue()
self.create_rabbit_mq_queues(self._rabbitmq_endpoint_argument)
self._scaling_action_sender = RabbitMQScalingActionSender(
rabbit_mq_endpoint,
self.RABBITMQ_SCALING_REQUEST_QUEUE_NAME
)
content = self.create_content()
self.send_content(content)
time.sleep(2)
self.check_if_content_in_queue(content)
self._scaling_action_sender.close()
def delete_queue(self):
self._channel.queue_delete(queue=self.RABBITMQ_SCALING_REQUEST_QUEUE_NAME)
def send_content(self, content):
self._scaling_action_sender.send_action(content[0])
self._scaling_action_sender.send_action(content[1])
def create_content(self):
content = []
request = DynamiteScalingRequest()
request.command = DynamiteScalingCommand.SCALE_DOWN
request.failure_counter = 2
request.service_instance_name = "apache_service_instance_name_1"
request.service_name = "apache_service_name"
content.append(request)
request = DynamiteScalingRequest()
request.command = DynamiteScalingCommand.SCALE_UP
request.failure_counter = 0
request.service_instance_name = "apache_service_instance_name_2"
request.service_name = "apache_service_name"
content.append(request)
return content
def check_if_content_in_queue(self, content):
for content_message in content:
method_frame, header_frame, message_body = self._channel.basic_get(queue=self.RABBITMQ_SCALING_REQUEST_QUEUE_NAME, no_ack=False)
request = DynamiteScalingRequest.from_json_string(message_body.decode("utf-8"))
success_or_error = "[SUCCESS]" if request == content_message else "[ERROR]"
print("{} Received message {}".format(success_or_error, message_body))
def create_request_sender(self):
return RabbitMQScalingActionSender(
self._rabbitmq_endpoint, self.RABBITMQ_SCALING_REQUEST_QUEUE_NAME)