gRPC Golang Python优雅中断服务
import sys
import os
import grpc
import logging
import signal
from concurrent import futures
from loguru import logger
# 因为在终端上运行会找不到根目录所以需要指明项目根目录
BASE_PATH = os.path.dirname(os.path.abspath(os.path.dirname(__file__)))
sys.path.insert(0, BASE_PATH)
from user_srv.proto import user_pb2, user_pb2_grpc
from user_srv.handler.user import UserService
# 处理中断函数
def on_exit(signal, frame):
logger.info("grpc server exit")
# 服务注销逻辑.......
sys.exit(0)
def serve():
logger.add("logs/user_srv_{time}.log")
# 多线程启动
server = grpc.server(futures.ThreadPoolExecutor(max_workers=10))
# 注册服务
user_pb2_grpc.add_UserServicer_to_server(UserService(), server)
# 端口
server.add_insecure_port("[::]:50051")
# 监听退出信号
"""
windows下支持的信号是有限的:
SIGINT ctrl+C终端
SIGTERM kill发出的软件终止
"""
signal.signal(signal.SIGINT, on_exit)
signal.signal(signal.SIGTERM, on_exit)
logger.info(f"启动服务:http://127.0.0.1:50051")
server.start()
server.wait_for_termination()
if __name__ == "__main__":
logging.basicConfig()
serve()