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Author SHA1 Message Date
liangtianyu
25a016977c 不处理退出信号 2025-12-14 20:20:30 +08:00

76
main.py
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@@ -1,4 +1,3 @@
from datetime import datetime from datetime import datetime
import os import os
import traceback import traceback
@@ -22,6 +21,7 @@ from sqlalchemy import text
LoggerManager.setup_logging() LoggerManager.setup_logging()
logger = get_main_logger() logger = get_main_logger()
def global_exception_handler(exc_type, exc_value, exc_traceback): def global_exception_handler(exc_type, exc_value, exc_traceback):
if issubclass(exc_type, KeyboardInterrupt): if issubclass(exc_type, KeyboardInterrupt):
sys.__excepthook__(exc_type, exc_value, exc_traceback) sys.__excepthook__(exc_type, exc_value, exc_traceback)
@@ -32,7 +32,7 @@ def global_exception_handler(exc_type, exc_value, exc_traceback):
error_msg += f"异常类型: {exc_type.__name__}\n" error_msg += f"异常类型: {exc_type.__name__}\n"
error_msg += f"异常信息: {exc_value}\n" error_msg += f"异常信息: {exc_value}\n"
error_msg += "堆栈跟踪:\n" error_msg += "堆栈跟踪:\n"
error_msg += ''.join(traceback.format_tb(exc_traceback)) error_msg += "".join(traceback.format_tb(exc_traceback))
error_msg += f"异常时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}\n" error_msg += f"异常时间: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}\n"
error_msg += "-" * 50 + "\n" error_msg += "-" * 50 + "\n"
@@ -42,9 +42,11 @@ def global_exception_handler(exc_type, exc_value, exc_traceback):
# 输出到文件 # 输出到文件
logger.error(error_msg) logger.error(error_msg)
# 注册全局异常处理器 # 注册全局异常处理器
sys.excepthook = global_exception_handler sys.excepthook = global_exception_handler
@asynccontextmanager @asynccontextmanager
async def lifespan(app: FastAPI): async def lifespan(app: FastAPI):
# 启动时初始化 # 启动时初始化
@@ -168,6 +170,7 @@ async def health_check():
# 全局变量存储进程 # 全局变量存储进程
processes = [] processes = []
def signal_handler(signum, frame): def signal_handler(signum, frame):
"""信号处理器,用于优雅关闭所有服务""" """信号处理器,用于优雅关闭所有服务"""
print(f"\n🛑 接收到信号 {signum},正在关闭所有服务...") print(f"\n🛑 接收到信号 {signum},正在关闭所有服务...")
@@ -189,6 +192,7 @@ def signal_handler(signum, frame):
print("👋 所有服务已关闭") print("👋 所有服务已关闭")
sys.exit(0) sys.exit(0)
def start_all_services(): def start_all_services():
"""启动所有服务""" """启动所有服务"""
global processes global processes
@@ -197,34 +201,44 @@ def start_all_services():
print("=" * 60) print("=" * 60)
# 注册信号处理器 # 注册信号处理器
signal.signal(signal.SIGINT, signal_handler) # Ctrl+C # signal.signal(signal.SIGINT, signal_handler) # Ctrl+C
signal.signal(signal.SIGTERM, signal_handler) # 终止信号 # signal.signal(signal.SIGTERM, signal_handler) # 终止信号
try: try:
# 1. 启动 Celery Worker # 1. 启动 Celery Worker
print("🌿 启动 Celery Worker...") print("🌿 启动 Celery Worker...")
worker_process = subprocess.Popen([ worker_process = subprocess.Popen(
sys.executable, "-m", "celery", [
"-A", "app.celery_app", sys.executable,
"worker", "-m",
'--loglevel=info', "celery",
'--pool=solo', "-A",
'--concurrency=1', "app.celery_app",
'--time-limit=300', # 5分钟任务超时 "worker",
'--soft-time-limit=240' # 4分钟软超时 "--loglevel=info",
]) "--pool=solo",
"--concurrency=1",
"--time-limit=300", # 5分钟任务超时
"--soft-time-limit=240", # 4分钟软超时
]
)
processes.append(worker_process) processes.append(worker_process)
time.sleep(2) # 等待 Worker 启动 time.sleep(2) # 等待 Worker 启动
# 2. 启动 Celery Beat # 2. 启动 Celery Beat
print("\n📅 启动 Celery Beat...") print("\n📅 启动 Celery Beat...")
beat_process = subprocess.Popen([ beat_process = subprocess.Popen(
sys.executable, "-m", "celery", [
"-A", "app.celery_app", sys.executable,
"beat", "-m",
'--loglevel=info', "celery",
f'--schedule={os.path.join(tempfile.gettempdir(), "celerybeat-schedule")}' "-A",
]) "app.celery_app",
"beat",
"--loglevel=info",
f'--schedule={os.path.join(tempfile.gettempdir(), "celerybeat-schedule")}',
]
)
processes.append(beat_process) processes.append(beat_process)
time.sleep(2) # 等待 Beat 启动 time.sleep(2) # 等待 Beat 启动
@@ -232,11 +246,14 @@ def start_all_services():
if settings.flower_enabled: if settings.flower_enabled:
print("\n📊 启动 Flower 监控服务...") print("\n📊 启动 Flower 监控服务...")
flower_cmd = [ flower_cmd = [
sys.executable, "-m", "celery", sys.executable,
"-A", "app.celery_app", "-m",
"celery",
"-A",
"app.celery_app",
f"--broker={settings.celery_broker_url}", f"--broker={settings.celery_broker_url}",
"flower", "flower",
f"--port={settings.flower_port}" f"--port={settings.flower_port}",
] ]
if settings.flower_basic_auth: if settings.flower_basic_auth:
@@ -251,10 +268,14 @@ def start_all_services():
# 4. 启动 FastAPI 应用 # 4. 启动 FastAPI 应用
print("\n🚀 启动 FastAPI 应用...") print("\n🚀 启动 FastAPI 应用...")
api_cmd = [ api_cmd = [
sys.executable, "-m", "uvicorn", sys.executable,
"-m",
"uvicorn",
"main:app", "main:app",
"--host", "0.0.0.0", "--host",
"--port", "8000" "0.0.0.0",
"--port",
"8000",
] ]
# 添加调试模式(如果配置了) # 添加调试模式(如果配置了)
@@ -293,6 +314,7 @@ def start_all_services():
print(f"❌ 启动服务时出错: {e}") print(f"❌ 启动服务时出错: {e}")
signal_handler(signal.SIGINT, None) signal_handler(signal.SIGINT, None)
if __name__ == "__main__": if __name__ == "__main__":
# 直接启动所有服务 # 直接启动所有服务
start_all_services() start_all_services()