diff --git a/nikolaeva_yana_lab_4/Dockerfile b/nikolaeva_yana_lab_4/Dockerfile new file mode 100644 index 0000000..dc2bf42 --- /dev/null +++ b/nikolaeva_yana_lab_4/Dockerfile @@ -0,0 +1,8 @@ +FROM python:3.9-slim + +RUN pip install pika + +WORKDIR /app +COPY . /app + +CMD ["python", "publisher.py"] diff --git a/nikolaeva_yana_lab_4/README.md b/nikolaeva_yana_lab_4/README.md new file mode 100644 index 0000000..dbb7e2d --- /dev/null +++ b/nikolaeva_yana_lab_4/README.md @@ -0,0 +1,21 @@ +### Лабораторная работа №4 - Работа с брокером сообщений + +#### Задание + +1. Установить брокер сообщений RabbitMQ. +2. Пройти уроки 1, 2 и 3 из RabbitMQ Tutorials на любом языке программирования. +3. Продемонстрировать работу брокера сообщений. + +#### Описание работы программы: + +- **Класс Publisher** успешно осуществляет отправку сообщений своим клиентам. + +- **Класс Consumer1** принимает и обрабатывает сообщения с задержкой в 3 секунды, что можно заметить на видео. + +- **Класс Consumer2** мгновенно принимает и обрабатывает сообщения. + +### Скрины во вложениях + +## Видео + +https://cloud.mail.ru/public/kzJ8/hUmC6959a diff --git a/nikolaeva_yana_lab_4/consumer_1.py b/nikolaeva_yana_lab_4/consumer_1.py new file mode 100644 index 0000000..4a54667 --- /dev/null +++ b/nikolaeva_yana_lab_4/consumer_1.py @@ -0,0 +1,20 @@ +import pika +import time + +def callback(ch, method, properties, body): + print(f" [Consumer 1] {body.decode('utf-8')}") + time.sleep(3) + ch.basic_ack(delivery_tag=method.delivery_tag) + +connection = pika.BlockingConnection(pika.ConnectionParameters(host='rabbitmq')) +channel = connection.channel() +channel.exchange_declare(exchange='lunch_logs', exchange_type='fanout') + +queue_name = "lunch_queue_slow" +channel.queue_declare(queue=queue_name) +channel.queue_bind(exchange='lunch_logs', queue=queue_name) + +print(' [*] Consumer 1 waiting for logs. To exit press CTRL+C') + +channel.basic_consume(queue=queue_name, on_message_callback=callback, auto_ack=False) +channel.start_consuming() diff --git a/nikolaeva_yana_lab_4/consumer_2.py b/nikolaeva_yana_lab_4/consumer_2.py new file mode 100644 index 0000000..21750a5 --- /dev/null +++ b/nikolaeva_yana_lab_4/consumer_2.py @@ -0,0 +1,19 @@ +import pika + +def callback(ch, method, properties, body): + print(f" [Consumer 2] {body.decode('utf-8')}") + ch.basic_ack(delivery_tag=method.delivery_tag) + +connection = pika.BlockingConnection(pika.ConnectionParameters(host='rabbitmq')) +channel = connection.channel() +channel.exchange_declare(exchange='lunch_logs', exchange_type='fanout') + + +queue_name = "lunch_queue_fast" +channel.queue_declare(queue=queue_name) +channel.queue_bind(exchange='lunch_logs', queue=queue_name) + +print(' [*] Consumer 2 waiting for logs. To exit press CTRL+C') + +channel.basic_consume(queue=queue_name, on_message_callback=callback, auto_ack=False) +channel.start_consuming() diff --git a/nikolaeva_yana_lab_4/docker-compose.yml b/nikolaeva_yana_lab_4/docker-compose.yml new file mode 100644 index 0000000..0f40e13 --- /dev/null +++ b/nikolaeva_yana_lab_4/docker-compose.yml @@ -0,0 +1,50 @@ +version: '3' + +services: + rabbitmq: + image: rabbitmq:3-management + container_name: rabbitmq_TEST + ports: + - "5672:5672" + - "15672:15672" + environment: + RABBITMQ_DEFAULT_USER: guest + RABBITMQ_DEFAULT_PASS: guest + healthcheck: + test: ["CMD", "rabbitmqctl", "status"] + interval: 10s + timeout: 5s + retries: 5 + + publisher: + build: + context: . + container_name: publisher + environment: + - PYTHONUNBUFFERED=1 + command: python publisher.py + depends_on: + rabbitmq: + condition: service_healthy + + consumer_1: + build: + context: . + container_name: consumer_1 + environment: + - PYTHONUNBUFFERED=1 + command: python consumer_1.py + depends_on: + rabbitmq: + condition: service_healthy + + consumer_2: + build: + context: . + container_name: consumer_2 + environment: + - PYTHONUNBUFFERED=1 + command: python consumer_2.py + depends_on: + rabbitmq: + condition: service_healthy diff --git a/nikolaeva_yana_lab_4/img.png b/nikolaeva_yana_lab_4/img.png new file mode 100644 index 0000000..65316f0 Binary files /dev/null and b/nikolaeva_yana_lab_4/img.png differ diff --git a/nikolaeva_yana_lab_4/img_1.png b/nikolaeva_yana_lab_4/img_1.png new file mode 100644 index 0000000..9a0e764 Binary files /dev/null and b/nikolaeva_yana_lab_4/img_1.png differ diff --git a/nikolaeva_yana_lab_4/img_2.png b/nikolaeva_yana_lab_4/img_2.png new file mode 100644 index 0000000..30c18b8 Binary files /dev/null and b/nikolaeva_yana_lab_4/img_2.png differ diff --git a/nikolaeva_yana_lab_4/publisher.py b/nikolaeva_yana_lab_4/publisher.py new file mode 100644 index 0000000..fa506ca --- /dev/null +++ b/nikolaeva_yana_lab_4/publisher.py @@ -0,0 +1,20 @@ +import pika +import time +import random + +connection = pika.BlockingConnection(pika.ConnectionParameters(host='rabbitmq')) +channel = connection.channel() +channel.exchange_declare(exchange='lunch_logs', exchange_type='fanout') + +events = [ + "Новый заказ на завтрак", + "Новый заказ на обед", + "Новый заказ на ужин", + "Пользователь запросил меню" +] + +while True: + message = random.choice(events) + channel.basic_publish(exchange='lunch_logs', routing_key='', body=message) + print(f" [x] Sent {message}") + time.sleep(1) diff --git a/nikolaeva_yana_lab_4/tutorial_1/img.png b/nikolaeva_yana_lab_4/tutorial_1/img.png new file mode 100644 index 0000000..6e5fe99 Binary files /dev/null and b/nikolaeva_yana_lab_4/tutorial_1/img.png differ diff --git a/nikolaeva_yana_lab_4/tutorial_1/img_1.png b/nikolaeva_yana_lab_4/tutorial_1/img_1.png new file mode 100644 index 0000000..d70bdba Binary files /dev/null and b/nikolaeva_yana_lab_4/tutorial_1/img_1.png differ diff --git a/nikolaeva_yana_lab_4/tutorial_1/receive.py b/nikolaeva_yana_lab_4/tutorial_1/receive.py new file mode 100644 index 0000000..f118e0a --- /dev/null +++ b/nikolaeva_yana_lab_4/tutorial_1/receive.py @@ -0,0 +1,25 @@ +import pika, sys, os + +def main(): + connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost')) + channel = connection.channel() + + channel.queue_declare(queue='hello') + + def callback(ch, method, properties, body): + print(f" [x] Received {body}") + + channel.basic_consume(queue='hello', on_message_callback=callback, auto_ack=True) + + print(' [*] Waiting for messages. To exit press CTRL+C') + channel.start_consuming() + +if __name__ == '__main__': + try: + main() + except KeyboardInterrupt: + print('Interrupted') + try: + sys.exit(0) + except SystemExit: + os._exit(0) \ No newline at end of file diff --git a/nikolaeva_yana_lab_4/tutorial_1/send.py b/nikolaeva_yana_lab_4/tutorial_1/send.py new file mode 100644 index 0000000..41cfff2 --- /dev/null +++ b/nikolaeva_yana_lab_4/tutorial_1/send.py @@ -0,0 +1,11 @@ +import pika + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.queue_declare(queue='hello') + +channel.basic_publish(exchange='', routing_key='hello', body='Hello World!') +print(" [x] Sent 'Hello World!'") +connection.close() \ No newline at end of file diff --git a/nikolaeva_yana_lab_4/tutorial_2/img.png b/nikolaeva_yana_lab_4/tutorial_2/img.png new file mode 100644 index 0000000..86e8cb3 Binary files /dev/null and b/nikolaeva_yana_lab_4/tutorial_2/img.png differ diff --git a/nikolaeva_yana_lab_4/tutorial_2/img_1.png b/nikolaeva_yana_lab_4/tutorial_2/img_1.png new file mode 100644 index 0000000..33a40f8 Binary files /dev/null and b/nikolaeva_yana_lab_4/tutorial_2/img_1.png differ diff --git a/nikolaeva_yana_lab_4/tutorial_2/new_task.py b/nikolaeva_yana_lab_4/tutorial_2/new_task.py new file mode 100644 index 0000000..a2444e0 --- /dev/null +++ b/nikolaeva_yana_lab_4/tutorial_2/new_task.py @@ -0,0 +1,19 @@ +import pika +import sys + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.queue_declare(queue='task_queue', durable=True) + +message = ' '.join(sys.argv[1:]) or "Hello World!" +channel.basic_publish( + exchange='', + routing_key='task_queue', + body=message, + properties=pika.BasicProperties( + delivery_mode=pika.DeliveryMode.Persistent + )) +print(f" [x] Sent {message}") +connection.close() \ No newline at end of file diff --git a/nikolaeva_yana_lab_4/tutorial_2/worker.py b/nikolaeva_yana_lab_4/tutorial_2/worker.py new file mode 100644 index 0000000..8f8ab64 --- /dev/null +++ b/nikolaeva_yana_lab_4/tutorial_2/worker.py @@ -0,0 +1,22 @@ +import pika +import time + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.queue_declare(queue='task_queue', durable=True) +print(' [*] Waiting for messages. To exit press CTRL+C') + + +def callback(ch, method, properties, body): + print(f" [x] Received {body.decode()}") + time.sleep(body.count(b'.')) + print(" [x] Done") + ch.basic_ack(delivery_tag=method.delivery_tag) + + +channel.basic_qos(prefetch_count=1) +channel.basic_consume(queue='task_queue', on_message_callback=callback) + +channel.start_consuming() \ No newline at end of file diff --git a/nikolaeva_yana_lab_4/tutorial_3/emit_log.py b/nikolaeva_yana_lab_4/tutorial_3/emit_log.py new file mode 100644 index 0000000..45b6989 --- /dev/null +++ b/nikolaeva_yana_lab_4/tutorial_3/emit_log.py @@ -0,0 +1,13 @@ +import pika +import sys + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.exchange_declare(exchange='logs', exchange_type='fanout') + +message = ' '.join(sys.argv[1:]) or "info: Hello World!" +channel.basic_publish(exchange='logs', routing_key='', body=message) +print(f" [x] Sent {message}") +connection.close() \ No newline at end of file diff --git a/nikolaeva_yana_lab_4/tutorial_3/img.png b/nikolaeva_yana_lab_4/tutorial_3/img.png new file mode 100644 index 0000000..9d3dbc4 Binary files /dev/null and b/nikolaeva_yana_lab_4/tutorial_3/img.png differ diff --git a/nikolaeva_yana_lab_4/tutorial_3/img_1.png b/nikolaeva_yana_lab_4/tutorial_3/img_1.png new file mode 100644 index 0000000..593e227 Binary files /dev/null and b/nikolaeva_yana_lab_4/tutorial_3/img_1.png differ diff --git a/nikolaeva_yana_lab_4/tutorial_3/receive_logs.py b/nikolaeva_yana_lab_4/tutorial_3/receive_logs.py new file mode 100644 index 0000000..60d881d --- /dev/null +++ b/nikolaeva_yana_lab_4/tutorial_3/receive_logs.py @@ -0,0 +1,22 @@ +import pika + +connection = pika.BlockingConnection( + pika.ConnectionParameters(host='localhost')) +channel = connection.channel() + +channel.exchange_declare(exchange='logs', exchange_type='fanout') + +result = channel.queue_declare(queue='', exclusive=True) +queue_name = result.method.queue + +channel.queue_bind(exchange='logs', queue=queue_name) + +print(' [*] Waiting for logs. To exit press CTRL+C') + +def callback(ch, method, properties, body): + print(f" [x] {body}") + +channel.basic_consume( + queue=queue_name, on_message_callback=callback, auto_ack=True) + +channel.start_consuming() \ No newline at end of file