MongoDB 3.0 用户创建

摘要:

MongoDB 3.0 安全权限访问控制,在添加用户上面3.0版本和之前的版本有很大的区别,这里就说明下3.0的添加用户的方法。

环境、测试:

安装MongoDB之后,先关闭auth认证,进入查看数据库,只有一个local库,admin库是不存在的:

root@zhoujinyi:/usr/local/mongo4# mongo --port=27020
MongoDB shell version: 3.0.4
connecting to: 127.0.0.1:27020/test
2015-06-29T09:31:08.673-0400 I CONTROL [initandlisten]
> show dbs;
local 0.078GB

现在需要创建一个帐号,该账号需要有grant权限,即:账号管理的授权权限。注意一点,帐号是跟着库走的,所以在指定库里授权,必须也在指定库里验证(auth)。

> use admin
switched to db admin
> db.createUser(
... {
... user: "dba",
... pwd: "dba",
... roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]

... }
... )

Successfully added user: {
"user" : "dba",
"roles" : [
{
"role" : "userAdminAnyDatabase",
"db" : "admin"
}
]
}

上面加粗的就是执行的命令:

user:用户名

pwd:密码

roles:指定用户的角色,可以用一个空数组给新用户设定空角色;在roles字段,可以指定内置角色和用户定义的角色。role里的角色可以选:

  Built-In Roles(内置角色):
1. 数据库用户角色:read、readWrite;
2. 数据库管理角色:dbAdmin、dbOwner、userAdmin;
3. 集群管理角色:clusterAdmin、clusterManager、clusterMonitor、hostManager;
4. 备份恢复角色:backup、restore;
5. 所有数据库角色:readAnyDatabase、readWriteAnyDatabase、userAdminAnyDatabase、dbAdminAnyDatabase
6. 超级用户角色:root
// 这里还有几个角色间接或直接提供了系统超级用户的访问(dbOwner 、userAdmin、userAdminAnyDatabase)
7. 内部角色:__system

具体角色:

Read:允许用户读取指定数据库
readWrite:允许用户读写指定数据库
dbAdmin:允许用户在指定数据库中执行管理函数,如索引创建、删除,查看统计或访问system.profile
userAdmin:允许用户向system.users集合写入,可以找指定数据库里创建、删除和管理用户
clusterAdmin:只在admin数据库中可用,赋予用户所有分片和复制集相关函数的管理权限。
readAnyDatabase:只在admin数据库中可用,赋予用户所有数据库的读权限
readWriteAnyDatabase:只在admin数据库中可用,赋予用户所有数据库的读写权限
userAdminAnyDatabase:只在admin数据库中可用,赋予用户所有数据库的userAdmin权限
dbAdminAnyDatabase:只在admin数据库中可用,赋予用户所有数据库的dbAdmin权限。
root:只在admin数据库中可用。超级账号,超级权限

刚建立了 userAdminAnyDatabase 角色,用来管理用户,可以通过这个角色来创建、删除用户。验证:需要开启auth参数。

root@zhoujinyi:/usr/local/mongo4# mongo --port=27020
MongoDB shell version: 3.0.4
connecting to: 127.0.0.1:27020/test
> show dbs; ####没有验证,导致没权限。
2015-06-29T10:02:16.634-0400 E QUERY Error: listDatabases failed:{
"ok" : 0,
"errmsg" : "not authorized on admin to execute command { listDatabases: 1.0 }",
"code" : 13
}
at Error (<anonymous>)
at Mongo.getDBs (src/mongo/shell/mongo.js:47:15)
at shellHelper.show (src/mongo/shell/utils.js:630:33)
at shellHelper (src/mongo/shell/utils.js:524:36)
at (shellhelp2):1:1 at src/mongo/shell/mongo.js:47
> use admin #验证,因为在admin下面添加的帐号,所以要到admin下面验证。
switched to db admin
> db.auth('dba','dba')
1
> show dbs;
admin 0.078GB
local 0.078GB
> use test #在test库里创建帐号
switched to db test
> db.createUser(
... {
... user: "zjyr",
... pwd: "zjyr",
... roles: [
... { role: "read", db: "test" } #只读帐号
... ]
... }
... )
Successfully added user: {
"user" : "zjyr",
"roles" : [
{
"role" : "read",
"db" : "test"
}
]
}
> db.createUser(
... {
... user: "zjy",
... pwd: "zjy",
... roles: [
... { role: "readWrite", db: "test" } #读写帐号
... ]
... }
... )
Successfully added user: {
"user" : "zjy",
"roles" : [
{
"role" : "readWrite", #读写账号
"db" : "test"
}
]
}
> show users; #查看当前库下的用户
{
"_id" : "test.zjyr",
"user" : "zjyr",
"db" : "test",
"roles" : [
{
"role" : "read",
"db" : "test"
}
]
}
{
"_id" : "test.zjy",
"user" : "zjy",
"db" : "test",
"roles" : [
{
"role" : "readWrite",
"db" : "test"
}
]
}

上面创建了2个帐号,现在验证下:验证前提需要一个集合

> db.abc.insert({"a":1,"b":2})              #插入失败,没有权限,userAdminAnyDatabase 权限只是针对用户管理的,对其他是没有权限的。
WriteResult({
"writeError" : {
"code" : 13,
"errmsg" : "not authorized on test to execute command { insert: \"abc\", documents: [ { _id: ObjectId('55915185d629831d887ce2cb'), a: 1.0, b: 2.0 } ], ordered: true }"
}
})
>
bye
root@zhoujinyi:/usr/local/mongo4# mongo --port=27020
MongoDB shell version: 3.0.4
connecting to: 127.0.0.1:27020/test
> use test
switched to db test
> db.auth('zjy','zjy') #用创建的readWrite帐号进行写入
1
> db.abc.insert({"a":1,"b":2})
WriteResult({ "nInserted" : 1 })
> db.abc.insert({"a":11,"b":22})
WriteResult({ "nInserted" : 1 })
> db.abc.insert({"a":111,"b":222})
WriteResult({ "nInserted" : 1 })
> db.abc.find()
{ "_id" : ObjectId("559151a1b78649ebd8316853"), "a" : 1, "b" : 2 }
{ "_id" : ObjectId("559151cab78649ebd8316854"), "a" : 11, "b" : 22 }
{ "_id" : ObjectId("559151ceb78649ebd8316855"), "a" : 111, "b" : 222 }
> db.auth('zjyr','zjyr') #切换到只有read权限的帐号
1
> db.abc.insert({"a":1111,"b":2222}) #不能写入
WriteResult({
"writeError" : {
"code" : 13,
"errmsg" : "not authorized on test to execute command { insert: \"abc\", documents: [ { _id: ObjectId('559151ebb78649ebd8316856'), a: 1111.0, b: 2222.0 } ], ordered: true }"
}
})
> db.abc.find() #可以查看
{ "_id" : ObjectId("559151a1b78649ebd8316853"), "a" : 1, "b" : 2 }
{ "_id" : ObjectId("559151cab78649ebd8316854"), "a" : 11, "b" : 22 }
{ "_id" : ObjectId("559151ceb78649ebd8316855"), "a" : 111, "b" : 222 }

有没有一个超级权限?不仅可以授权,而且也可以对集合进行任意操作?答案是肯定的,只是不建议使用。那就是role角色设置成root

> db.auth('dba','dba')
1
> db.createUser(
... {
... user: "zhoujinyi",
... pwd: "zhoujinyi",
... roles: [
... { role: "root", db: "admin" } #超级root帐号
... ]
... }
... )
Successfully added user: {
"user" : "zhoujinyi",
"roles" : [
{
"role" : "root",
"db" : "admin"
}
]
}
>
> show users; #查看当前库下的用户
{
"_id" : "admin.dba",
"user" : "dba",
"db" : "admin",
"roles" : [
{
"role" : "userAdminAnyDatabase",
"db" : "admin"
}
]
}
{
"_id" : "admin.zhoujinyi",
"user" : "zhoujinyi",
"db" : "admin",
"roles" : [
{
"role" : "root",
"db" : "admin"
}
]
}
> use admin
switched to db admin
> db.auth('zhoujinyi','zhoujinyi')
1
> use test
switched to db test
> db.abc.insert({"a":1,"b":2})
WriteResult({ "nInserted" : 1 })
> db.abc.insert({"a":1111,"b":2222}) #权限都有
WriteResult({ "nInserted" : 1 })
> db.abc.find()
{ "_id" : ObjectId("5591539bb78649ebd8316857"), "a" : 1, "b" : 2 }
{ "_id" : ObjectId("559153a0b78649ebd8316858"), "a" : 1111, "b" : 2222 }
> db.abc.remove({})
WriteResult({ "nRemoved" : 2 })

因为帐号都是在当前需要授权的数据库下授权的,那要是不在当前数据库下会怎么样?

> db
admin
> db.createUser(
... {
... user: "dxy",
... pwd: "dxy",
... roles: [
... { role: "readWrite", db: "test" }, #在当前库下创建其他库的帐号,在admin库下创建test、abc库的帐号
... { role: "readWrite", db: "abc" }
... ]
... }
... )
Successfully added user: {
"user" : "dxy",
"roles" : [
{
"role" : "readWrite",
"db" : "test"
},
{
"role" : "readWrite",
"db" : "abc"
}
]
}
>
> show users;
{
"_id" : "admin.dba",
"user" : "dba",
"db" : "admin",
"roles" : [
{
"role" : "userAdminAnyDatabase",
"db" : "admin"
}
]
}
{
"_id" : "admin.zhoujinyi",
"user" : "zhoujinyi",
"db" : "admin",
"roles" : [
{
"role" : "root",
"db" : "admin"
}
]
}
{
"_id" : "admin.dxy",
"user" : "dxy",
"db" : "admin",
"roles" : [
{
"role" : "readWrite",
"db" : "test"
},
{
"role" : "readWrite",
"db" : "abc"
}
]
}
> use test
switched to db test
> db.auth('dxy','dxy') #在admin下创建的帐号,不能直接在其他库验证,
Error: 18 Authentication failed.
0
> use admin
switched to db admin #只能在帐号创建库下认证,再去其他库进行操作。
> db.auth('dxy','dxy')
1
> use test
switched to db test
> db.abc.insert({"a":1111,"b":2222})
WriteResult({ "nInserted" : 1 })
> use abc
switched to db abc
> db.abc.insert({"a":1111,"b":2222})
WriteResult({ "nInserted" : 1 })

上面更加进一步说明数据库帐号是跟着数据库来走的,哪里创建哪里认证。

创建了这么多帐号,怎么查看所有帐号

>  use admin
switched to db admin
> db.auth('dba','dba')
1
> db.system.users.find().pretty()
{
"_id" : "admin.dba",
"user" : "dba",
"db" : "admin",
"credentials" : {
"SCRAM-SHA-1" : {
"iterationCount" : 10000,
"salt" : "KfDUzCOIUo7WVjFr64ZOcQ==",
"storedKey" : "t4sPsKG2dXnZztVYj5EgdUzT9sc=",
"serverKey" : "2vCGiq9NIc1zKqeEL6VvO4rP26A="
}
},
"roles" : [
{
"role" : "userAdminAnyDatabase",
"db" : "admin"
}
]
}
{
"_id" : "test.zjyr",
"user" : "zjyr",
"db" : "test",
"credentials" : {
"SCRAM-SHA-1" : {
"iterationCount" : 10000,
"salt" : "h1gOW3J7wzJuTqgmmQgJKQ==",
"storedKey" : "7lkoANdxM2py0qiDBzFaZYPp1cM=",
"serverKey" : "Qyu6IRNyaKLUvqJ2CAa/tQYY36c="
}
},
"roles" : [
{
"role" : "read",
"db" : "test"
}
]
}
{
"_id" : "test.zjy",
"user" : "zjy",
"db" : "test",
"credentials" : {
"SCRAM-SHA-1" : {
"iterationCount" : 10000,
"salt" : "afwaKuTYPWwbDBduQ4Hm7g==",
"storedKey" : "ebb2LYLn4hiOVlZqgrAKBdStfn8=",
"serverKey" : "LG2qWwuuV+FNMmr9lWs+Rb3DIhQ="
}
},
"roles" : [
{
"role" : "readWrite",
"db" : "test"
}
]
}
{
"_id" : "admin.zhoujinyi",
"user" : "zhoujinyi",
"db" : "admin",
"credentials" : {
"SCRAM-SHA-1" : {
"iterationCount" : 10000,
"salt" : "pE2cSOYtBOYevk8tqrwbSQ==",
"storedKey" : "TwMxdnlB5Eiaqg4tNh9ByNuUp9A=",
"serverKey" : "Mofr9ohVlFfR6/md4LMRkOhXouc="
}
},
"roles" : [
{
"role" : "root",
"db" : "admin"
}
]
}
{
"_id" : "admin.dxy",
"user" : "dxy",
"db" : "admin",
"credentials" : {
"SCRAM-SHA-1" : {
"iterationCount" : 10000,
"salt" : "XD6smcWX4tdg/ZJPoLxxRg==",
"storedKey" : "F4uiayykHDp/r9krAKZjdr+gqjM=",
"serverKey" : "Kf51IU9J3RIrB8CFn5Z5hEKMSkw="
}
},
"roles" : [
{
"role" : "readWrite",
"db" : "test"
},
{
"role" : "readWrite",
"db" : "abc"
}
]
}
> db.system.users.find().count()
5

备份还原使用那个角色的帐号?之前创建的帐号zjy:test库读写权限;zjyr:test库读权限

root@zhoujinyi:~# mongodump --port=27020 -uzjyr -pzjyr --db=test -o backup   #只要读权限就可以备份
2015-06-29T11:20:04.864-0400 writing test.abc to backup/test/abc.bson
2015-06-29T11:20:04.865-0400 writing test.abc metadata to backup/test/abc.metadata.json
2015-06-29T11:20:04.866-0400 done dumping test.abc
2015-06-29T11:20:04.867-0400 writing test.system.indexes to backup/test/system.indexes.bson root@zhoujinyi:~# mongorestore --port=27020 -uzjy -pzjy --db=test backup/test/ #读写权限可以进行还原
2015-06-29T11:20:26.607-0400 building a list of collections to restore from backup/test/ dir
2015-06-29T11:20:26.609-0400 reading metadata file from backup/test/abc.metadata.json
2015-06-29T11:20:26.609-0400 restoring test.abc from file backup/test/abc.bson
2015-06-29T11:20:26.611-0400 error: E11000 duplicate key error index: test.abc.$_id_ dup key: { : ObjectId('559154efb78649ebd831685a') }
2015-06-29T11:20:26.611-0400 restoring indexes for collection test.abc from metadata
2015-06-29T11:20:26.612-0400 finished restoring test.abc
2015-06-29T11:20:26.612-0400 done

相关连接:

MongoDB 权限控制系统简介

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