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gracefully shutdown flask

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This commit is contained in:
Matthias 2019-05-18 09:50:19 +02:00
parent 5149ff7b12
commit 540d4bef1e
1 changed files with 26 additions and 25 deletions
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51
freqtrade/rpc/api_server.py
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@ -7,7 +7,7 @@ from typing import Dict
from arrow import Arrow
from flask import Flask, jsonify, request
from flask.json import JSONEncoder
from werkzeug.wsgi import DispatcherMiddleware
from werkzeug.serving import make_server
from freqtrade.__init__ import __version__
from freqtrade.rpc.rpc import RPC, RPCException
@ -74,8 +74,31 @@ class ApiServer(RPC):
def cleanup(self) -> None:
logger.info("Stopping API Server")
# TODO: Gracefully shutdown - right now it'll fail on /reload_conf
# since it's not terminated correctly.
self.srv.shutdown()
def run(self):
"""
Method that runs flask app in its own thread forever.
Section to handle configuration and running of the Rest server
also to check and warn if not bound to a loopback, warn on security risk.
"""
rest_ip = self._config['api_server']['listen_ip_address']
rest_port = self._config['api_server']['listen_port']
logger.info(f'Starting HTTP Server at {rest_ip}:{rest_port}')
if not IPv4Address(rest_ip).is_loopback:
logger.warning("SECURITY WARNING - Local Rest Server listening to external connections")
logger.warning("SECURITY WARNING - This is insecure please set to your loopback,"
"e.g 127.0.0.1 in config.json")
# Run the Server
logger.info('Starting Local Rest Server')
try:
self.srv = make_server(rest_ip, rest_port, self.app)
self.srv.serve_forever()
except Exception:
logger.exception("Api server failed to start, exception message is:")
logger.info('Starting Local Rest Server_end')
def send_msg(self, msg: Dict[str, str]) -> None:
"""
@ -142,28 +165,6 @@ class ApiServer(RPC):
# TODO: Implement the following
# help (?)
def run(self):
""" Method that runs flask app in its own thread forever.
Section to handle configuration and running of the Rest server
also to check and warn if not bound to a loopback, warn on security risk.
"""
rest_ip = self._config['api_server']['listen_ip_address']
rest_port = self._config['api_server']['listen_port']
logger.info(f'Starting HTTP Server at {rest_ip}:{rest_port}')
if not IPv4Address(rest_ip).is_loopback:
logger.warning("SECURITY WARNING - Local Rest Server listening to external connections")
logger.warning("SECURITY WARNING - This is insecure please set to your loopback,"
"e.g 127.0.0.1 in config.json")
# Run the Server
logger.info('Starting Local Rest Server')
try:
self.app.run(host=rest_ip, port=rest_port)
except Exception:
logger.exception("Api server failed to start, exception message is:")
logger.info('Starting Local Rest Server_end')
def page_not_found(self, error):
"""
Return "404 not found", 404.