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Rabbit MQ Integration #88

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Merged
smokeyScraper merged 12 commits into from
Jul 2, 2025
Merged

Rabbit MQ Integration #88

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9181cbc
Added RabbitMQ initial setup
ShivamMenda Jun 17, 2025
03a95e3
Merge branch 'feature/rabbitmq-integration' into main
ShivamMenda Jun 28, 2025
5941c80
Merge pull request #1 from ShivamMenda/main
ShivamMenda Jun 28, 2025
5e7765c
Update requirements.txt
ShivamMenda Jun 28, 2025
e8f0cac
Add Async Queue manager final implementation
ShivamMenda Jun 28, 2025
adf586b
Revert main.py and requirements.txt
ShivamMenda Jun 30, 2025
679f552
Merge branch 'main' into feature/rabbitmq-integration
ShivamMenda Jun 30, 2025
2f6a50b
Remove pyvenv.cfg
ShivamMenda Jun 30, 2025
a549cda
Update backend/app/core/orchestration/queue_manager.py
ShivamMenda Jun 30, 2025
c861ce0
Indendation fix
ShivamMenda Jun 30, 2025
a544334
Update settings and lockfile
ShivamMenda Jul 2, 2025
4b85c8e
Added uvicorn
ShivamMenda Jul 2, 2025
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Binary file added .DS_Store
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2 changes: 1 addition & 1 deletion .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -174,4 +174,4 @@ cython_debug/
.pypirc

# Local Netlify folder
.netlify
.netlify
3 changes: 3 additions & 0 deletions backend/app/core/config/settings.py
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Expand Up @@ -31,6 +31,9 @@ class Settings(BaseSettings):
classification_agent_model: str = "gemini-1.5-flash"
agent_timeout: int = 30
max_retries: int = 3

# RabbitMQ configuration
rabbitmq_url: str = ""

# Backend URL
backend_url: str = ""
Expand Down
119 changes: 64 additions & 55 deletions backend/app/core/orchestration/queue_manager.py
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Expand Up @@ -3,6 +3,9 @@
from typing import Dict, Any, Callable, Optional
from datetime import datetime
from enum import Enum
import aio_pika
import json
from app.core.config import settings

logger = logging.getLogger(__name__)

Expand All @@ -12,27 +15,45 @@ class QueuePriority(str, Enum):
LOW = "low"

class AsyncQueueManager:
"""AsyncIO-based queue manager for agent orchestration"""
"""Queue manager for agent orchestration"""

def __init__(self):
self.queues = {
QueuePriority.HIGH: asyncio.Queue(),
QueuePriority.MEDIUM: asyncio.Queue(),
QueuePriority.LOW: asyncio.Queue()
QueuePriority.HIGH: 'high_task_queue',
QueuePriority.MEDIUM: 'medium_task_queue',
QueuePriority.LOW: 'low_task_queue'
}
self.handlers: Dict[str, Callable] = {}
self.running = False
self.worker_tasks = []
self.connection: Optional[aio_pika.RobustConnection] = None
self.channel: Optional[aio_pika.abc.AbstractChannel] = None



async def connect(self):
try:
rabbitmq_url = getattr(settings, 'rabbitmq_url', 'amqp://guest:guest@localhost/')
self.connection = await aio_pika.connect_robust(rabbitmq_url)
self.channel = await self.connection.channel()
# Declare queues
for queue_name in self.queues.values():
await self.channel.declare_queue(queue_name, durable=True)
logger.info("Successfully connected to RabbitMQ")
except Exception as e:
logger.error(f"Failed to connect to RabbitMQ: {e}")
raise

async def start(self, num_workers: int = 3):
"""Start the queue processing workers"""
await self.connect()
self.running = True

for i in range(num_workers):
task = asyncio.create_task(self._worker(f"worker-{i}"))
self.worker_tasks.append(task)

logger.info(f"Started {num_workers} queue workers")
logger.info(f"Started {num_workers} async queue workers")

async def stop(self):
"""Stop the queue processing"""
Expand All @@ -43,7 +64,11 @@ async def stop(self):
task.cancel()

await asyncio.gather(*self.worker_tasks, return_exceptions=True)
logger.info("Stopped all queue workers")
if self.channel:
await self.channel.close()
if self.connection:
await self.connection.close()
logger.info("Stopped all queue workers and closed connection")

async def enqueue(self,
message: Dict[str, Any],
Expand All @@ -56,13 +81,15 @@ async def enqueue(self,

queue_item = {
"id": message.get("id", f"msg_{datetime.now().timestamp()}"),
"timestamp": datetime.now().isoformat(),
"priority": priority,
"data": message
}

await self.queues[priority].put(queue_item)
logger.debug(f"Enqueued message {queue_item['id']} with priority {priority}")
json_message = json.dumps(queue_item).encode()
await self.channel.default_exchange.publish(
aio_pika.Message(body=json_message),
routing_key=self.queues[priority]
)
logger.info(f"Enqueued message {queue_item['id']} with priority {priority}")

def register_handler(self, message_type: str, handler: Callable):
"""Register a handler for a specific message type"""
Expand All @@ -72,50 +99,29 @@ def register_handler(self, message_type: str, handler: Callable):
async def _worker(self, worker_name: str):
"""Worker coroutine to process queue items"""
logger.info(f"Started queue worker: {worker_name}")

# Each worker listens to all queues by priority
queues = [
await self.channel.declare_queue(self.queues[priority], durable=True)
for priority in [QueuePriority.HIGH, QueuePriority.MEDIUM, QueuePriority.LOW]
]
while self.running:
try:
# Process queues by priority
item = await self._get_next_item()

if item:
await self._process_item(item, worker_name)
else:
# No items available, wait a bit
await asyncio.sleep(0.1)

except asyncio.CancelledError:
logger.info(f"Worker {worker_name} cancelled")
break
except (ConnectionError, TimeoutError) as e:
logger.error(f"Connection error in worker {worker_name}: {str(e)}")
await asyncio.sleep(5) # Longer pause for connection issues
except Exception as e:
logger.error(f"Unexpected error in worker {worker_name}: {str(e)}")
await asyncio.sleep(1) # Brief pause on error

async def _get_next_item(self) -> Optional[Dict[str, Any]]:
"""Get the next item from queues (priority-based)"""

# Try high priority first
try:
return self.queues[QueuePriority.HIGH].get_nowait()
except asyncio.QueueEmpty:
pass

# Then medium priority
try:
return self.queues[QueuePriority.MEDIUM].get_nowait()
except asyncio.QueueEmpty:
pass

# Finally low priority
try:
return self.queues[QueuePriority.LOW].get_nowait()
except asyncio.QueueEmpty:
pass

return None
for queue in queues:
try:
message = await queue.get(no_ack=False, fail=False)
if message:
try:
item = json.loads(message.body.decode())
await self._process_item(item, worker_name)
await message.ack()
except Exception as e:
logger.error(f"Error processing message: {e}")
await message.nack(requeue=False)
except asyncio.CancelledError:
logger.info(f"Worker {worker_name} cancelled")
return
except Exception as e:
logger.error(f"Worker {worker_name} error: {e}")
await asyncio.sleep(0.1)

async def _process_item(self, item: Dict[str, Any], worker_name: str):
"""Process a queue item"""
Expand All @@ -127,9 +133,12 @@ async def _process_item(self, item: Dict[str, Any], worker_name: str):

if handler:
logger.debug(f"Worker {worker_name} processing {item['id']} (type: {message_type})")
await handler(message_data)
if asyncio.iscoroutinefunction(handler):
await handler(message_data)
else:
handler(message_data)
else:
logger.warning(f"No handler found for message type: {message_type}")

except Exception as e:
logger.error(f"Error processing item {item['id']}: {str(e)}")
logger.error(f"Error processing item {item.get('id', 'unknown')}: {str(e)}")
2 changes: 1 addition & 1 deletion backend/main.py
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Expand Up @@ -124,4 +124,4 @@ async def favicon():
host="0.0.0.0",
port=8000,
reload=True
)
)
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