如何在AWS Lambda上使用Python从Zappa获取堆栈跟踪

概述我在AWS Lambda上使用Zappa框架 https://github.com/Miserlou/Zappa和Python和Flask.当它引发异常时,它会出现在CloudWatch日志中,但对我来说难以辨认.但是,我确实从调试版本中的HTTP GET返回了正常的Flask堆栈跟踪. 我的问题是如何在日志/生产代码中获得合理的(Flask)堆栈跟踪？当生产中出现异常时,我所有的都是日志消息. 我在AWS Lambda上使用Zappa框架 https://github.com/Miserlou/Zappa和Python和Flask.当它引发异常时,它会出现在ClouDWatch日志中,但对我来说难以辨认.但是,我确实从调试版本中的http GET返回了正常的Flask堆栈跟踪.

我的问题是如何在日志/生产代码中获得合理的(Flask)堆栈跟踪？当生产中出现异常时,我所有的都是日志消息.

来自http GET的良好堆栈跟踪：

Traceback (most recent call last):  file "/var/task/handler.py",line 96,in handler    response = Response.from_app(app,environ)  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-v6XvIH/Werkzeug/werkzeug/wrappers.py",line 865,in from_app  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-v6XvIH/Werkzeug/werkzeug/wrappers.py",line 57,in _run_wsgi_app  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-v6XvIH/Werkzeug/werkzeug/test.py",line 871,in run_wsgi_app  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-v6XvIH/zappa/zappa/mIDdleware.py",line 78,in __call__  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-v6XvIH/flask/flask/app.py",line 1836,line 1820,in wsgi_app  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-jvEYWI/flask-restful/flask_restful/__init__.py",line 271,in error_router  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-v6XvIH/flask/flask/app.py",line 1403,in handle_exception  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-jvEYWI/flask-restful/flask_restful/__init__.py",line 268,line 1817,in wsgi_app  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-v6XvIH/flask/flask/app.py",line 1477,in full_dispatch_request  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-jvEYWI/flask-restful/flask_restful/__init__.py",line 1381,in handle_user_exception  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-jvEYWI/flask-restful/flask_restful/__init__.py",line 1475,in full_dispatch_request  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-v6XvIH/flask/flask/app.py",line 1461,in dispatch_request  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-jvEYWI/flask-restful/flask_restful/__init__.py",line 477,in wrapper  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-v6XvIH/flask/flask/vIEws.py",line 84,in vIEw  file "/private/var/folders/1j/5zcxjzkx29b8tfgrh2y90wt80000gn/T/pip-build-jvEYWI/flask-restful/flask_restful/__init__.py",line 587,in dispatch_request  file "/Users/notacat/src/aws-lambda/zappa/controllers/error_controller.py",line 15,in getTestError: 'This is a test error'

难以理解ClouDWatch日志中的堆栈跟踪：

...Rlc3RFcnJvcjogJ1RoaXMgaXMgYSB0ZXN0IGVycm9yJzxiciAvPjwvcHJlPg==: Exception Traceback (most recent call last): file "/var/task/handler.py",line 161,in lambda_handler return LambdaHandler.lambda_handler(event,context) file "/var/task/handler.py",line 55,in lambda_handler return cls().handler(event,line 155,in handler raise Exception(exception) Exception: PCFET0NUWVBfigh0bWw+NTAwliBGcm9tIFphcHBhOiA8cHJlPIDUaGlzIGl...

解决方法 这看起来像一个老问题,但我正在使用Zappa 0.45.1,当通过ClouDWatch AWS终端和使用提供ClouDWatch日志和一些附加信息的zappa tail发生错误时,我可以看到我的python堆栈跟踪. 总结

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