64 lines
2.6 KiB
Python
64 lines
2.6 KiB
Python
from app.common.config.app_settings import app_settings
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from app.common.log.module_logger import ModuleLogger
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import asyncio
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from asyncio import AbstractEventLoop
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import aio_pika
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class AsyncMQClient:
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exchange_name_format = "freeleaps.devops.exchange.{}"
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exchange_type = "direct"
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def __init__(self, channel_name: str) -> None:
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self.exchange_name_format = AsyncMQClient.exchange_name_format
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self.channel_name = channel_name
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self.exchange_type = AsyncMQClient.exchange_type
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self.exchange_name = self.exchange_name_format.format(self.channel_name)
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self.process_callable = None
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self.routing_key = self.channel_name
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self.module_logger = ModuleLogger(sender_id="AsyncMQClient")
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async def bind(self, max_retries=10, event_loop: AbstractEventLoop = None):
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retry_count = 0
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retry_interval = 1
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while retry_count < max_retries:
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try:
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self.connection = await aio_pika.connect_robust(
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host=app_settings.RABBITMQ_HOST,
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port=int(app_settings.RABBITMQ_PORT),
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login=app_settings.RABBITMQ_USERNAME,
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password=app_settings.RABBITMQ_PASSWORD,
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virtualhost=app_settings.RABBITMQ_VIRTUAL_HOST,
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loop=event_loop,
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)
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self.channel = await self.connection.channel()
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self.exchange = await self.channel.declare_exchange(
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name=self.exchange_name, type="direct", auto_delete=False
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)
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self.queue = await self.channel.declare_queue(
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name=None, exclusive=True, auto_delete=True, durable=False
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)
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await self.queue.bind(
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exchange=self.exchange, routing_key=self.routing_key
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)
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break
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except Exception as e:
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await self.module_logger.log_exception(
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exception=e,
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text=f"Reconnection attempt {retry_count + 1}/{max_retries} failed: {e}",
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)
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await asyncio.sleep(retry_interval)
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retry_interval = min(retry_interval * 2, 60)
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retry_count += 1
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if retry_count >= max_retries:
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raise ConnectionError(
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"Unable to connect to RabbitMQ after multiple retries."
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)
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async def close(self):
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"""Unbind the queue and close the connection gracefully."""
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await self.queue.unbind(self.exchange, self.routing_key)
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await self.connection.close() |