DeOwl
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-- added automativ queue reconenction (querying for queues to join from server)
75 lines
2.0 KiB
Python
75 lines
2.0 KiB
Python
import asyncio
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import os
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from contextlib import asynccontextmanager
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import uvicorn
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from connections.rabbitmq import rabbitmq_manager
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from fasthtml.core import FastHTML, Mount
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from modules.fasthtml import app as fasthtml_app
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from modules.rabbitmq import consume_messages_topic, publish_heartbeat
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async def start_heartbeat():
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"""Start heartbeat with auto-reconnect"""
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while True:
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try:
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await publish_heartbeat()
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except Exception as e:
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print(f"Heartbeat failed: {e}")
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await asyncio.sleep(5)
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async def start_consumer():
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"""Start consumer with auto-reconnect"""
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while True:
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try:
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await consume_messages_topic()
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await asyncio.Future()
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except Exception as e:
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print(f"Consumer failed: {e}")
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await asyncio.sleep(5)
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async def connect_with_retry():
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"""Retry RabbitMQ connection until successful"""
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while True:
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try:
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await rabbitmq_manager.connect()
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if (
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rabbitmq_manager._connection
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and not rabbitmq_manager._connection.is_closed
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):
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print("RabbitMQ connected")
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asyncio.create_task(start_heartbeat())
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asyncio.create_task(start_consumer())
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return
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else:
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await asyncio.sleep(5)
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except Exception as e:
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print(f"RabbitMQ connection failed: {e}, retrying in 5 seconds...")
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await asyncio.sleep(5)
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@asynccontextmanager
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async def lifespan(app):
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print("Starting up...")
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asyncio.create_task(connect_with_retry())
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yield
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print("Shutting down...")
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for task in asyncio.all_tasks():
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if task is not asyncio.current_task():
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task.cancel()
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await rabbitmq_manager.close()
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app = FastHTML(routes=[Mount("", fasthtml_app, name="FastHTML")])
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app.set_lifespan(lifespan)
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if __name__ == "__main__":
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uvicorn.run("main:app", host="0.0.0.0", port=int(os.environ["PORT"]), reload=True)
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