Mongoengine - find命令需要身份验证

Question

我刚开始使用Mongoengine和经过身份验证的MongoDB。

我有一个名为'gambit_test‘的Mongo数据库。我已经在它上启用了身份验证，并且我有一个适当的用户，我可以通过身份验证进入数据库来执行读写操作。

我在Mongo客户端使用以下命令创建了'gambit_test‘的用户：

use gambit_test
db.createUser({
    user: "gambit_admin",
    pwd: "xxxxxx",
    roles:[{role: "userAdmin" , db:"admin"}]
})

当我登录到MongoDB以检查我的用户状态时，我使用如下命令(以超级管理员身份登录)：

mongo -u sup_admin -p yyyyyyyy

为了验证我的用户状态，我运行以下命令：

use gambit_test
show users

它返回以下内容：

{
    "_id" : "gambit_test.gambit_admin",
    "user" : "gambit_admin",
    "db" : "gambit_test",
    "roles" : [
        {
            "role" : "readWrite",
            "db" : "gambit_test"
        },
        {
            "role" : "dbAdmin",
            "db" : "gambit_test"
        }
    ],
    "mechanisms" : [
        "SCRAM-SHA-1",
        "SCRAM-SHA-256"
    ]
}

在我的Python test.py代码中，我正在做以下工作：

from mongoengine import *

class History(Document):
    name = StringField(required=True)

if __name__ == "__main__":
    try:
        connect('gambit_test')
        History.objects().get()
    except Exception as e: 
        connect(host='mongodb://gambit_admin:xxxxxx@localhost' + 
        ':27017/gambit_test')
        History.objects().get()

当我尝试运行上面的python代码时，我得到了以下错误：

Traceback (most recent call last):
  File "test.py", line 12, in <module>
    History.objects().get()
  File "/home/ubuntu/gambit/genv/lib/python3.6/site-packages/mongoengine/queryset/base.py", line 267, in get
    result = six.next(queryset)
  File "/home/ubuntu/gambit/genv/lib/python3.6/site-packages/mongoengine/queryset/base.py", line 1484, in __next__
    raw_doc = six.next(self._cursor)
  File "/home/ubuntu/gambit/genv/lib/python3.6/site-packages/pymongo/cursor.py", line 1189, in next
    if len(self.__data) or self._refresh():
  File "/home/ubuntu/gambit/genv/lib/python3.6/site-packages/pymongo/cursor.py", line 1104, in _refresh
    self.__send_message(q)
  File "/home/ubuntu/gambit/genv/lib/python3.6/site-packages/pymongo/cursor.py", line 982, in __send_message
    helpers._check_command_response(first)
  File "/home/ubuntu/gambit/genv/lib/python3.6/site-packages/pymongo/helpers.py", line 155, in _check_command_response
    raise OperationFailure(msg % errmsg, code, response)
  pymongo.errors.OperationFailure: command find requires authentication

我不知道为什么会发生这样的事情。原因是我可以使用Mongo客户端执行普通的find()和insert()。但是，当我使用Mongoengine时，事情就崩溃了.

任何帮助都将不胜感激。

Answer 1

为了进一步参考，问题得到修复(https://github.com/MongoEngine/mongoengine/issues/2010)问题是第二个connect调用没有覆盖第一个调用设置的default连接，它只是被静默忽略