[英]ConnectionFailure when connecting to MongoHQ URI via Flask-PyMongo on httpd
我有一個帶有Mongo后端的Flask應用程序,可以在我的本地開發環境中完美運行。 我將其移至AWS托管的RHEL實例,並通過httpd / mod_wsgi使Flask應用程序正常工作。 但是,連接到MongoHQ上的數據庫仍然會失敗。
連接的代碼是這樣的:
from flask import Flask
from flask.ext.pymongo import PyMongo
app = Flask(__name__)
app.config["MONGO_URI"] = 'mongodb://myusername:mypasswd@myhost.mongohq.com:myport/mydb'
mongo = PyMongo(app)
示例查詢:
@app.route('/books')
def books()
all_books = mongo.db.listings.distinct("bookinfo")
return all_books
來自Apache的錯誤消息(為便於閱讀而編輯):
mod_wsgi (pid=5116, process='myProcess', application=''): Loading WSGI script '/route/to/myapp.wsgi'.
mod_wsgi (pid=5116): Target WSGI script '/route/to/myapp.wsgi' cannot be loaded as Python module.
mod_wsgi (pid=5116): Exception occurred processing WSGI script '/route/to/myapp.wsgi'.
Traceback (most recent call last):
File "/route/to/myapp.wsgi", line 10, in <module>
from myApp import app as application
File "/route/to/myapp.py", line 8, in <module>
mongo = PyMongo(app)
File "/route/to/my/venv/lib/python2.6/site-packages/flask_pymongo/__init__.py", line 98, in __init__
self.init_app(app, config_prefix)
File "/route/to/my/venv/python2.6/site-packages/flask_pymongo/__init__.py", line 230, in init_app
cx = connection_cls(*args, **kwargs)
File "/route/to/my/venv/python2.6/site-packages/pymongo/mongo_client.py", line 352, in __init__
raise ConnectionFailure(str(e))
ConnectionFailure: could not connect to myhost.mongohq.com:myport: [Errno 13] Permission denied
我的想法/調查:
任何幫助/提示/可能性將不勝感激。
SELinux是這個的根本原因。 我已禁用防火牆,但從未通過編輯/ etc / sysconfig / selinux文件關閉SELinux。 這樣做后,應用程序仍有問題,但這個日志記錄代碼幫助很大:
import logging
file_handler = logging.FileHandler(filename='/var/www/myapp/flaskerror.log')
file_handler.setLevel(logging.WARNING)
app.logger.addHandler(file_handler)
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