Mongo访问数据库用户权限

Question

我正在使用Mongo 3.4 当我登录到管理数据库时，我可以看到我的用户：

> show users
{
    "_id" : "admin.jon",
    "user" : "jon",
    "db" : "admin",
    "roles" : [
        {
            "role" : "root",
            "db" : "admin"
        },
        {
            "role" : "userAdminAnyDatabase",
            "db" : "admin"
        }
    ]
}
{
    "_id" : "admin.bill",
    "user" : "bill",
    "db" : "admin",
    "roles" : [
        {
            "role" : "readWrite",
            "db" : "leads"
        },
        {
            "role" : "dbOwner",
            "db" : "leads"
        }
    ]
}

通知帐单是“潜在客户”数据库的所有者，应该具有readWrite访问权限。

但是，当通过生产服务器上的rails c使用Mongo Ruby驱动程序时，我尝试列出集合，但出现错误：

client  = Mongo::Client.new([Rails.application.secrets.mongo], user: 'bill', password: 'xxxxxx', database: "leads")
db = client.database
db.collections
 # => Mongo::Auth::Unauthorized (User bill (mechanism: scram) is not authorized to access leads (auth source: leads) (used mechanism: SCRAM-SHA-1): Authentication failed. (on localhost:xxxxx))

我在做什么错了？