新增 mongo 与 redis 数据库连接检查
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ktianc
parent
9ceeacb97b
commit
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@ -12,6 +12,7 @@ from motor.motor_asyncio import AsyncIOMotorClient
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from application.settings import REDIS_DB_URL, MONGO_DB_URL, MONGO_DB_NAME, EVENTS
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from utils.cache import Cache
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from redis import asyncio as aioredis
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from redis.exceptions import AuthenticationError, TimeoutError, RedisError
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from contextlib import asynccontextmanager
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from utils.tools import import_modules_async
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from sqlalchemy.exc import ProgrammingError
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@ -64,15 +65,27 @@ async def connect_redis(app: FastAPI, status: bool):
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:return:
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"""
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if status:
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print("Connecting to Redis")
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app.state.redis = aioredis.from_url(REDIS_DB_URL, decode_responses=True, health_check_interval=1)
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rd = aioredis.from_url(REDIS_DB_URL, decode_responses=True, health_check_interval=1)
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app.state.redis = rd
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try:
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response = await rd.ping()
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if response:
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print("Redis 连接成功")
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else:
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print("Redis 连接失败")
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except AuthenticationError as e:
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raise AuthenticationError(f"Redis 连接认证失败，用户名或密码错误: {e}")
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except TimeoutError as e:
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raise AuthenticationError(f"Redis 连接超时，地址或者端口错误: {e}")
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except RedisError as e:
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raise RedisError(f"Redis 连接失败: {e}")
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try:
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await Cache(app.state.redis).cache_tab_names()
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except ProgrammingError as e:
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logger.error(f"sqlalchemy.exc.ProgrammingError: {e}")
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print(f"sqlalchemy.exc.ProgrammingError: {e}")
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else:
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print("Redis connection closed")
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print("Redis 连接关闭")
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await app.state.redis.close()
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@ -88,14 +101,21 @@ async def connect_mongo(app: FastAPI, status: bool):
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:return:
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"""
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if status:
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client: AsyncIOMotorClient = AsyncIOMotorClient(MONGO_DB_URL, maxPoolSize=10, minPoolSize=10)
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client: AsyncIOMotorClient = AsyncIOMotorClient(
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MONGO_DB_URL,
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maxPoolSize=10,
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minPoolSize=10,
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serverSelectionTimeoutMS=5000
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)
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app.state.mongo_client = client
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app.state.mongo = client[MONGO_DB_NAME]
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print("Connecting to Mongo")
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# 尝试连接并捕获可能的超时异常
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try:
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# 触发一次服务器通信来确认连接
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data = await client.server_info()
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print("MongoDB 连接成功", data)
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except Exception as e:
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raise ValueError(f"MongoDB 连接失败: {e}")
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else:
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print("Mongo connection closed")
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print("MongoDB 连接关闭")
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app.state.mongo_client.close()
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@ -6,6 +6,7 @@ from pymongo import MongoClient
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from pymongo.results import InsertOneResult, UpdateResult
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from pymongo.mongo_client import MongoClient as MongoClientType
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from pymongo.database import Database
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from pymongo.errors import ServerSelectionTimeoutError
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class MongoManage:
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@ -25,8 +26,30 @@ class MongoManage:
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:param db_name: 数据库名称
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:return:
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"""
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self.client = MongoClient(path)
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# 设置连接超时时长为5秒
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self.client = MongoClient(path, serverSelectionTimeoutMS=5000)
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self.db = self.client[db_name]
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self.test_connect()
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def get_databases(self):
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"""
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获取数据库列表，用来测试是否真的连接成功
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:return:
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"""
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return self.client.list_database_names()
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def test_connect(self):
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"""
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测试连接是否成功
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:return:
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"""
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# 尝试连接并捕获可能的超时异常
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try:
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# 触发一次服务器通信来确认连接
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self.client.server_info()
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print("MongoDB 连接成功")
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except ServerSelectionTimeoutError as e:
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raise ServerSelectionTimeoutError(f"MongoDB 连接失败: {e}")
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def close_database_connection(self) -> None:
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"""
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@ -12,10 +12,27 @@ class RedisManage:
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"""
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连接 redis 数据库
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:param path: mongodb 链接地址
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:param path: redis 链接地址
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:return:
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"""
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self.rd = redis.from_url(path)
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self.test_connect()
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def test_connect(self) -> None:
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"""
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测试链接
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:return:
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"""
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try:
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# 发送PING命令
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response = self.rd.ping()
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if response:
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print("Redis 连接成功")
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else:
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print("Redis 连接失败")
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except redis.exceptions.RedisError as e:
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# 捕获并处理任何Redis错误
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raise redis.exceptions.RedisError(f"Redis 连接失败: {e}")
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def close_database_connection(self) -> None:
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"""
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@ -10,6 +10,7 @@ from application.settings import MONGO_DB_NAME, MONGO_DB_URL, REDIS_DB_URL, SUBS
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SCHEDULER_TASK_RECORD
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from core.redis import get_database as get_redis
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from core.logger import logger
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from core.redis.redis_manage import RedisManage
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class ScheduledTask:
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@ -98,6 +99,8 @@ class ScheduledTask:
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self.start_scheduler()
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self.start_redis()
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assert isinstance(self.rd, RedisManage)
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pubsub = self.rd.subscribe(SUBSCRIBE)
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logger.info("已成功启动程序，等待接收消息...")
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@ -124,7 +127,6 @@ class ScheduledTask:
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"""
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self.mongo = get_mongo()
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self.mongo.connect_to_database(MONGO_DB_URL, MONGO_DB_NAME)
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print("成功连接 MongoDB")
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def start_scheduler(self) -> None:
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"""
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@ -134,7 +136,7 @@ class ScheduledTask:
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"""
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self.scheduler = Scheduler()
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self.scheduler.start()
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print("成功启动 Scheduler")
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print("Scheduler 启动成功")
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def start_redis(self) -> None:
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"""
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@ -144,7 +146,6 @@ class ScheduledTask:
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"""
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self.rd = get_redis()
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self.rd.connect_to_database(REDIS_DB_URL)
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print("成功连接 Redis")
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def close(self) -> None:
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"""
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@ -155,6 +156,7 @@ class ScheduledTask:
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:return:
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"""
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self.mongo.close_database_connection()
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if self.scheduler:
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self.scheduler.shutdown()
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self.rd.close_database_connection()
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