63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
# services/external/app/services/messaging.py
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"""
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External Service Messaging - Event Publishing using shared messaging infrastructure
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"""
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from shared.messaging.rabbitmq import RabbitMQClient
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from app.core.config import settings
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import structlog
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logger = structlog.get_logger()
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# Single global instance
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data_publisher = RabbitMQClient(settings.RABBITMQ_URL, "data-service")
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async def setup_messaging():
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"""Initialize messaging for data service"""
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try:
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success = await data_publisher.connect()
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if success:
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logger.info("Data service messaging initialized")
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else:
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logger.warning("Data service messaging failed to initialize")
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return success
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except Exception as e:
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logger.warning("Failed to setup messaging", error=str(e))
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return False
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async def cleanup_messaging():
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"""Cleanup messaging for data service"""
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try:
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await data_publisher.disconnect()
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logger.info("Data service messaging cleaned up")
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except Exception as e:
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logger.warning("Error during messaging cleanup", error=str(e))
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async def publish_weather_updated(data: dict) -> bool:
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"""Publish weather updated event"""
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try:
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return await data_publisher.publish_data_event("weather.updated", data)
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except Exception as e:
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logger.warning("Failed to publish weather updated event", error=str(e))
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return False
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async def publish_traffic_updated(data: dict) -> bool:
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"""Publish traffic updated event"""
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try:
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return await data_publisher.publish_data_event("traffic.updated", data)
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except Exception as e:
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logger.warning("Failed to publish traffic updated event", error=str(e))
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return False
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# Health check for messaging
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async def check_messaging_health() -> dict:
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"""Check messaging system health"""
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try:
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if data_publisher.connected:
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return {"status": "healthy", "service": "rabbitmq", "connected": True}
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else:
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return {"status": "unhealthy", "service": "rabbitmq", "connected": False, "error": "Not connected"}
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except Exception as e:
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return {"status": "unhealthy", "service": "rabbitmq", "connected": False, "error": str(e)} |