README, исправления, изображения
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bogdanov_dmitry_lab_4/README.md
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# Богданов Дмитрий ПИбд-42
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# Лабораторная работа №4
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## Предметная область:
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Автоматизация работы теплицы
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## Результаты выполнения туториалов:
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- Первый туториал:
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![изображение 1](./images/tut1.png)
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- Второй туториал:
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![изображение 2](./images/tut2.png)
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- Третий туториал:
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![изображение 3](./images/tut3.png)
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## Данные из RabbitMQ:
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![изображение 1](./images/rmq1.png)
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![изображение 2](./images/rmq2.png)
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![изображение 3](./images/rmq3.png)
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![изображение 3](./images/rmq4.png)
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### Вывод:
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Из-за моментальной обработки сообщений в Consumer2, его очередь никогда не заполняется.
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Consumer1 же тратит на обработку 2 секунды, из-за чего соответствующая очередь существенно заполняется при одном
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запущенном экземпляре.
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При нескольких запущенных экземплярах Consumer1 очередь заполняется существенно медленнее, и перестаёт заполняться совсем при определенном кол-ве запущенных экземпляров.
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## [Видео](https://drive.google.com/file/d/1KWHHYWiK8OX48OfhDnEKDtMz-Umfs0uj/view?usp=sharing)
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import time
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import time
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def publish_events():
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def publish_events():
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connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
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connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("user", "password")))
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channel = connection.channel()
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channel = connection.channel()
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channel.exchange_declare(exchange='greenhouse_events', exchange_type='fanout')
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channel.exchange_declare(exchange='greenhouse_events', exchange_type='fanout')
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@ -7,8 +7,8 @@ def callback(ch, method, properties, body):
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print('Receiver 2 закончил обработку')
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print('Receiver 2 закончил обработку')
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def consume_events_1():
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def consume_events_2():
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connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
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connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("user", "password")))
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channel = connection.channel()
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channel = connection.channel()
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channel.queue_declare(queue='receiver2_queue')
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channel.queue_declare(queue='receiver2_queue')
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if __name__ == "__main__":
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if __name__ == "__main__":
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consume_events_1()
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consume_events_2()
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def callback(ch, method, properties, body):
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def callback(ch, method, properties, body):
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print(f'Receiver 1: получено сообщение. {body.decode()}')
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print(f'Receiver 1: получено сообщение. {body.decode()}')
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time.sleep(2)
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time.sleep(3)
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print('Receiver 1 закончил обработку')
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print('Receiver 1 закончил обработку')
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def consume_events_1():
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def consume_events_1():
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connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
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connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("user", "password")))
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channel = connection.channel()
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channel = connection.channel()
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channel.queue_declare(queue='receiver1_queue')
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channel.queue_declare(queue='receiver1_queue')
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import pika, sys, os
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import pika, sys, os
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def main():
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def main():
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connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
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connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("user", "password")))
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channel = connection.channel()
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channel = connection.channel()
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channel.queue_declare(queue='hello')
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channel.queue_declare(queue='hello')
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import pika
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import pika
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connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
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connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("user", "password")))
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channel = connection.channel()
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channel = connection.channel()
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channel.queue_declare('hello')
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channel.queue_declare('hello')
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@ -2,7 +2,7 @@ import pika
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import sys
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import sys
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connection = pika.BlockingConnection(
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connection = pika.BlockingConnection(
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pika.ConnectionParameters(host='localhost'))
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pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("user", "password")))
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channel = connection.channel()
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channel = connection.channel()
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channel.queue_declare(queue='task_queue', durable=True)
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channel.queue_declare(queue='task_queue', durable=True)
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@ -2,7 +2,7 @@ import pika
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import time
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import time
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connection = pika.BlockingConnection(
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connection = pika.BlockingConnection(
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pika.ConnectionParameters(host='localhost'))
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pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("user", "password")))
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channel = connection.channel()
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channel = connection.channel()
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channel.queue_declare(queue='task_queue', durable=True)
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channel.queue_declare(queue='task_queue', durable=True)
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@ -2,7 +2,7 @@ import pika
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import sys
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import sys
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connection = pika.BlockingConnection(
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connection = pika.BlockingConnection(
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pika.ConnectionParameters(host='localhost'))
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pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("user", "password")))
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channel = connection.channel()
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channel = connection.channel()
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channel.exchange_declare(exchange='logs', exchange_type='fanout')
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channel.exchange_declare(exchange='logs', exchange_type='fanout')
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import pika
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import pika
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connection = pika.BlockingConnection(
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connection = pika.BlockingConnection(
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pika.ConnectionParameters(host='localhost'))
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pika.ConnectionParameters(host='localhost', port=5672, credentials=pika.PlainCredentials("user", "password")))
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channel = connection.channel()
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channel = connection.channel()
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channel.exchange_declare(exchange='logs', exchange_type='fanout')
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channel.exchange_declare(exchange='logs', exchange_type='fanout')
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12
bogdanov_dmitry_lab_4/compose.yaml
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version: '3.8'
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services:
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rabbitmq:
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image: rabbitmq:3-management
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container_name: rabbitmq
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environment:
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RABBITMQ_DEFAULT_USER: user
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RABBITMQ_DEFAULT_PASS: password
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ports:
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- "5672:5672"
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- "15672:15672"
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BIN
bogdanov_dmitry_lab_4/images/rmq1.png
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After Width: | Height: | Size: 38 KiB |
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bogdanov_dmitry_lab_4/images/rmq2.png
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After Width: | Height: | Size: 33 KiB |
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bogdanov_dmitry_lab_4/images/rmq3.png
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After Width: | Height: | Size: 28 KiB |
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bogdanov_dmitry_lab_4/images/rmq4.png
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After Width: | Height: | Size: 29 KiB |
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bogdanov_dmitry_lab_4/images/tut1.png
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After Width: | Height: | Size: 27 KiB |
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bogdanov_dmitry_lab_4/images/tut2.png
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After Width: | Height: | Size: 28 KiB |
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bogdanov_dmitry_lab_4/images/tut3.png
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After Width: | Height: | Size: 27 KiB |