Files
iot-device-management-service/app/config.py
16337 f81cc81ce6 refactor(service): 删除MQTT旧代码 + 修复边缘节点重复显示问题
**删除MQTT旧代码:**
- 删除 mqtt_service.py(已废弃的空壳)
- 从 config.py 删除 MQTTConfig 类和相关配置
- 从 schemas.py 删除 mqtt 字段
- 从 alert_service.py 删除 create_alert_from_mqtt 方法
- 告警上报已改为 HTTP + COS 方案,MQTT机制完全废弃

**修复边缘节点重复显示(方案A):**
- 清理 edge_devices 表历史数据(删除 edge_device_001、edge_inference_device)
- 禁用 DeviceService 的 handle_heartbeat 自动创建设备功能
- 边缘端未实现心跳机制,告警数从 alarm_event 表统计
- 运行时长、处理帧数字段设为 null(无心跳机制,不可用)
- 添加 count_alarms_by_edge_node 方法统计边缘节点告警数

**影响范围:**
- /admin-api/aiot/edge/device/page 接口返回数据调整
- /admin-api/aiot/edge/device/get 接口返回数据调整
- 确保不破坏现有功能(告警上报已改为HTTP)
2026-02-25 10:30:01 +08:00

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"""
配置管理
"""
import os
from pathlib import Path
from typing import Optional
from dataclasses import dataclass
from pydantic import BaseModel
@dataclass
class DatabaseConfig:
"""数据库配置"""
url: str = "sqlite:///./data/alert_platform.db"
@dataclass
class COSConfig:
"""腾讯云 COS 存储配置"""
secret_id: str = ""
secret_key: str = ""
region: str = "ap-beijing"
bucket: str = "" # 格式: bucketname-appid
upload_prefix: str = "alerts" # 对象 Key 前缀
presign_expire: int = 1800 # 预签名URL有效期默认30分钟
sts_expire: int = 1800 # STS 临时凭证有效期(秒)
enabled: bool = False # 是否启用 COSFalse 时使用本地存储)
@dataclass
class AppConfig:
"""应用配置"""
host: str = "0.0.0.0"
port: int = 8000
debug: bool = True
dev_mode: bool = True # 开发模式:跳过认证验证,返回超级管理员权限
@dataclass
class AIModelConfig:
"""AI 模型配置"""
endpoint: str = ""
api_key: str = ""
@dataclass
class RedisConfig:
"""Redis 配置"""
host: str = "localhost"
port: int = 6379
password: str = ""
db: int = 0
max_connections: int = 50
decode_responses: bool = True
enabled: bool = True
@dataclass
class CameraNameConfig:
"""摄像头名称格式化配置"""
# WVP API基础URL
wvp_api_base: str = "http://localhost:18080"
# 显示格式模板(支持变量:{camera_code}, {name}, {stream}
# 可选格式:
# - "{name}" - 仅名称(推荐,告警列表使用)
# - "{camera_code} {name}/{stream}" - cam_xxx 名称/流id完整格式
# - "{name}/{stream}" - 名称/流id
# - "{camera_code}" - 仅code
display_format: str = "{name}"
# 名称字段优先级(从高到低)
# 从StreamProxy对象中提取名称时的字段优先级
# 注意gb_name 可能包含 "/" 后缀,会自动去除
name_field_priority: list = None
# 查询超时(秒)
query_timeout: int = 5
def __post_init__(self):
if self.name_field_priority is None:
# 默认优先级gb_name > app > stream
self.name_field_priority = ["gbName", "app", "stream"]
class Settings(BaseModel):
"""全局配置"""
database: DatabaseConfig = DatabaseConfig()
cos: COSConfig = COSConfig()
app: AppConfig = AppConfig()
ai_model: AIModelConfig = AIModelConfig()
redis: RedisConfig = RedisConfig()
camera_name: CameraNameConfig = CameraNameConfig()
def load_settings() -> Settings:
"""从环境变量加载配置"""
from dotenv import load_dotenv
load_dotenv()
return Settings(
database=DatabaseConfig(
url=os.getenv("DATABASE_URL", "sqlite:///./data/alert_platform.db"),
),
cos=COSConfig(
secret_id=os.getenv("COS_SECRET_ID", ""),
secret_key=os.getenv("COS_SECRET_KEY", ""),
region=os.getenv("COS_REGION", "ap-beijing"),
bucket=os.getenv("COS_BUCKET", ""),
upload_prefix=os.getenv("COS_UPLOAD_PREFIX", "alerts"),
presign_expire=int(os.getenv("COS_PRESIGN_EXPIRE", "1800")),
sts_expire=int(os.getenv("COS_STS_EXPIRE", "1800")),
enabled=os.getenv("COS_ENABLED", "false").lower() == "true",
),
app=AppConfig(
host=os.getenv("APP_HOST", "0.0.0.0"),
port=int(os.getenv("APP_PORT", "8000")),
debug=os.getenv("DEBUG", "true").lower() == "true",
dev_mode=os.getenv("DEV_MODE", "true").lower() == "true",
),
ai_model=AIModelConfig(
endpoint=os.getenv("AI_MODEL_ENDPOINT", ""),
api_key=os.getenv("AI_MODEL_API_KEY", ""),
),
redis=RedisConfig(
host=os.getenv("REDIS_HOST", "localhost"),
port=int(os.getenv("REDIS_PORT", "6379")),
password=os.getenv("REDIS_PASSWORD", ""),
db=int(os.getenv("REDIS_DB", "0")),
max_connections=int(os.getenv("REDIS_MAX_CONNECTIONS", "50")),
enabled=os.getenv("REDIS_ENABLED", "true").lower() == "true",
),
camera_name=CameraNameConfig(
wvp_api_base=os.getenv("WVP_API_BASE", "http://localhost:18080"),
display_format=os.getenv("CAMERA_NAME_FORMAT", "{name}"),
query_timeout=int(os.getenv("CAMERA_QUERY_TIMEOUT", "5")),
),
)
settings = load_settings()