現象
flask + nginx + uwsgi + flask_socketioを用いてチャットアプリを作ろうと思っているのですが
socketをうまく繋げません
エラー
ソケットに繋ぐ画面に行くとコンソールログに以下のエラーが出てきます
socket.io.min.js:1 GET http://localhost:8888/socket.io/?EIO=3&transport=polling&t=xxxxxx 502 (Bad Gateway)
各設定ファイル
- Nginx
server { listen 8888; server_name localhost; location / { include uwsgi_params; uwsgi_pass unix:///tmp/uwsgi.sock; } location /socket.io/ { proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection "upgrade"; proxy_pass http://unix:///tmp/uwsgi.sock; } }
- uWSGI
[uwsgi] chdir = /root/chat module = app callable = app master = true processes = 5 socket = /tmp/uwsgi.sock buffer-size=32768 chmod-socket = 666 die-on-term = true http-websockets = true touch-reload = /tmp/reload.triger vacum = true
- index.html(一部抜粋)
javascript
1<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/socket.io/1.3.5/socket.io.min.js"></script> 2<script type="text/javascript" charset="utf-8"> 3 $(document).ready(function() { 4 namespace = '/test'; 5 console.log(location.protocol + '//' + document.domain + ':' + location.port + namespace); 6 var socket = io.connect(location.protocol + '//' + document.domain + ':' + location.port + namespace); 7 socket.on('connect', function() { 8 socket.emit('my_event', {data: 'I\'m connected!'}); 9 }); 10</script>
- app.py(一部抜粋)
python
1#!/usr/bin/env python 2from threading import Lock 3from flask import Flask, render_template, session, request 4from flask_socketio import SocketIO, emit, join_room, leave_room, \ 5 close_room, rooms, disconnect 6 7@socketio.on('connect', namespace='/test') 8def test_connect(): 9 global thread 10 with thread_lock: 11 if thread is None: 12 thread = socketio.start_background_task(target=background_thread) 13 emit('my_response', {'data': 'Connected', 'count': 0}) 14 15 16if __name__ == '__main__': 17 socketio.run(app, debug=True)
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