221 lines
8.6 KiB
Python
221 lines
8.6 KiB
Python
# ================================================================
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# services/production/app/main.py
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# ================================================================
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"""
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Production Service - FastAPI Application
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Production planning and batch management service
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"""
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import time
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from fastapi import FastAPI, Request
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from sqlalchemy import text
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from app.core.config import settings
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from app.core.database import database_manager
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from app.services.production_alert_service import ProductionAlertService
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from shared.service_base import StandardFastAPIService
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# Import standardized routers
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from app.api import (
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production_batches,
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production_schedules,
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production_operations,
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production_dashboard,
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analytics,
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quality_templates,
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equipment,
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internal_demo,
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orchestrator, # NEW: Orchestrator integration endpoint
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production_orders_operations, # Tenant deletion endpoints
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audit,
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ml_insights, # ML insights endpoint
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batch
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)
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from app.api.internal_alert_trigger import router as internal_alert_trigger_router
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class ProductionService(StandardFastAPIService):
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"""Production Service with standardized setup"""
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expected_migration_version = "001_initial_schema"
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async def on_startup(self, app):
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"""Custom startup logic including migration verification"""
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await self.verify_migrations()
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await super().on_startup(app)
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async def verify_migrations(self):
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"""Verify database schema matches the latest migrations."""
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try:
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async with self.database_manager.get_session() as session:
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result = await session.execute(text("SELECT version_num FROM alembic_version"))
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version = result.scalar()
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if version != self.expected_migration_version:
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self.logger.error(f"Migration version mismatch: expected {self.expected_migration_version}, got {version}")
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raise RuntimeError(f"Migration version mismatch: expected {self.expected_migration_version}, got {version}")
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self.logger.info(f"Migration verification successful: {version}")
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except Exception as e:
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self.logger.error(f"Migration verification failed: {e}")
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raise
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def __init__(self):
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# Define expected database tables for health checks
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production_expected_tables = [
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'production_batches', 'production_schedules', 'production_capacity',
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'quality_check_templates', 'quality_checks', 'equipment'
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]
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self.alert_service = None
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self.rabbitmq_client = None
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self.event_publisher = None
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# REMOVED: scheduler_service (replaced by Orchestrator Service)
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# Create custom checks for services
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async def check_alert_service():
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"""Check production alert service health"""
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try:
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return bool(self.alert_service) if self.alert_service else False
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except Exception as e:
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self.logger.error("Alert service health check failed", error=str(e))
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return False
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super().__init__(
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service_name=settings.SERVICE_NAME,
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app_name=settings.APP_NAME,
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description=settings.DESCRIPTION,
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version=settings.VERSION,
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api_prefix="", # Empty because RouteBuilder already includes /api/v1
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database_manager=database_manager,
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expected_tables=production_expected_tables,
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custom_health_checks={
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"alert_service": check_alert_service
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},
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enable_messaging=True # Enable messaging support
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)
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async def _setup_messaging(self):
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"""Setup messaging for production service using unified messaging"""
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from shared.messaging import UnifiedEventPublisher, RabbitMQClient
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try:
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self.rabbitmq_client = RabbitMQClient(settings.RABBITMQ_URL, service_name="production-service")
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await self.rabbitmq_client.connect()
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# Create unified event publisher
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self.event_publisher = UnifiedEventPublisher(self.rabbitmq_client, "production-service")
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self.logger.info("Production service unified messaging setup completed")
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except Exception as e:
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self.logger.error("Failed to setup production unified messaging", error=str(e))
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raise
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async def _cleanup_messaging(self):
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"""Cleanup messaging for production service"""
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try:
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if self.rabbitmq_client:
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await self.rabbitmq_client.disconnect()
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self.logger.info("Production service messaging cleanup completed")
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except Exception as e:
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self.logger.error("Error during production messaging cleanup", error=str(e))
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async def on_startup(self, app: FastAPI):
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"""Custom startup logic for production service"""
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# Initialize messaging
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await self._setup_messaging()
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# Initialize alert service with EventPublisher and database manager
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self.alert_service = ProductionAlertService(self.event_publisher, self.database_manager)
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await self.alert_service.start()
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self.logger.info("Production alert service started")
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# Store services in app state
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app.state.alert_service = self.alert_service
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app.state.production_alert_service = self.alert_service # Also store with this name for internal trigger
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# REMOVED: Production scheduler service initialization
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# Scheduling is now handled by the Orchestrator Service
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# which calls our /generate-schedule endpoint
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# Store services in app state
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app.state.alert_service = self.alert_service
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app.state.production_alert_service = self.alert_service # Also store with this name for internal trigger
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async def on_shutdown(self, app: FastAPI):
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"""Custom shutdown logic for production service"""
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# Stop alert service
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if self.alert_service:
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await self.alert_service.stop()
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self.logger.info("Alert service stopped")
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# Cleanup messaging
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await self._cleanup_messaging()
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def get_service_features(self):
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"""Return production-specific features"""
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return [
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"production_planning",
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"batch_management",
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"production_scheduling",
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"orchestrator_integration", # NEW: Orchestrator-driven scheduling
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"quality_control",
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"equipment_management",
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"capacity_planning",
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"alert_notifications"
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]
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def setup_custom_middleware(self):
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"""Setup custom middleware for production service"""
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@self.app.middleware("http")
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async def logging_middleware(request: Request, call_next):
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"""Add request logging middleware"""
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start_time = time.time()
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response = await call_next(request)
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process_time = time.time() - start_time
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self.logger.info("HTTP request processed",
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method=request.method,
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url=str(request.url),
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status_code=response.status_code,
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process_time=round(process_time, 4))
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return response
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# Create service instance
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service = ProductionService()
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# Create FastAPI app with standardized setup
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app = service.create_app()
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# Setup standard endpoints
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service.setup_standard_endpoints()
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# Setup custom middleware
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service.setup_custom_middleware()
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# Include standardized routers
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# NOTE: Register more specific routes before generic parameterized routes
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# IMPORTANT: Register audit router FIRST to avoid route matching conflicts
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service.add_router(audit.router)
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service.add_router(batch.router)
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service.add_router(orchestrator.router) # NEW: Orchestrator integration endpoint
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service.add_router(production_orders_operations.router) # Tenant deletion endpoints
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service.add_router(quality_templates.router) # Register first to avoid route conflicts
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service.add_router(equipment.router)
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service.add_router(production_batches.router)
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service.add_router(production_schedules.router)
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service.add_router(production_operations.router)
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service.add_router(production_dashboard.router)
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service.add_router(analytics.router)
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service.add_router(internal_demo.router)
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service.add_router(ml_insights.router) # ML insights endpoint
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service.add_router(internal_alert_trigger_router) # Internal alert trigger for demo cloning
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# REMOVED: test_production_scheduler endpoint
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# Production scheduling is now triggered by the Orchestrator Service
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(
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"main:app",
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host="0.0.0.0",
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port=8000,
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reload=settings.DEBUG
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) |