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mongoDB 3.0 访问控制改了很多，需要你老老实实的去看文档去验证，谷歌百度出来的多半就是错误的。 还需要注意这个参数authenticationMechanisms。
为了兼用2.6版本，我直接指定下面的参数：
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setParameter:
authenticationMechanisms: MONGODB-CR
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下面看看如何创建访问控制权限
不使用 —auth 参数，启动 mongoDB
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mongodb-linux-i686-3.0.0/bin/mongod -f mongodb-linux-i686-3.0.0/mongodb.conf
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此时你 show dbs 会看到只有一个local数据库，那个所谓的admin是不存在的。
mongoDB 没有超级无敌用户root，只有能管理用户的用户 userAdminAnyDatabase。
添加管理用户
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use admin
db.createUser(
{
user: "buru",
pwd: "12345678",
roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
}
)
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roles 中的 db 参数是必须的，不然会报错：Error: couldn’t add user: Missing expected field “db”。另外，有很多文章记录的是使用 db.addUser(…) 方法，这个方法是旧版的，3.0中已经不存在，详见：http://docs.mongodb.org/manual/reference/method/js-user-management。
切换到admin下，查看刚才创建的用户：
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show users
或
db.system.users.find()
{ "_id" : "admin.buru", "user" : "buru", "db" : "admin", "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "gwVwuA/dXvxgSHavEnlyvA==", "storedKey" : "l2QEVTEujpkCuqDEKqfIWbSv4ms=", "serverKey" : "M1ofNKXg2sNCsFrBJbX4pXbSgvg=" } }, "roles" : [ { "role" : "userAdminAnyDatabase", "db" : "admin" } ] }
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怎么关闭 mongoDB？千万不要 kill -9 pid，可以 kill -2 pid 或 db.shutdownServer()
下面使用 —auth 参 数，重新启动 mongoDB：
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mongodb-linux-i686-3.0.0/bin/mongod --auth -f mongodb-linux-i686-3.0.0/mongodb.conf
mongodb-linux-i686-3.0.0/bin/mongo
use admin
db.auth("buru","12345678") #认证，返回1表示成功
或
mongodb-linux-i686-3.0.0/bin/mongo -u buru -p 12345678 --authenticationDatabase admin
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此时 show collections 报错
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2015-03-17T10:15:56.011+0800 E QUERY Error: listCollections failed: {
"ok" : 0,
"errmsg" : "not authorized on admin to execute command { listCollections: 1.0 }",
"code" : 13
}
at Error (<anonymous>)
at DB._getCollectionInfosCommand (src/mongo/shell/db.js:643:15)
at DB.getCollectionInfos (src/mongo/shell/db.js:655:20)
at DB.getCollectionNames (src/mongo/shell/db.js:666:17)
at shellHelper.show (src/mongo/shell/utils.js:625:12)
at shellHelper (src/mongo/shell/utils.js:524:36)
at (shellhelp2):1:1 at src/mongo/shell/db.js:643
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因为，用户buru只有用户管理的权限。
下面创建用户，用户都跟着库走，创建的用户都是
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use tianhe
db.createUser(
{
user: "bao",
pwd: "12345678",
roles: [
{ role: "readWrite", db: "tianhe" },
{ role: "read", db: "tianhe2" }
]
}
)
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查看刚刚创建的用户。
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show users
{
"_id" : "tianhe.bao",
"user" : "bao",
"db" : "tianhe",
"roles" : [
{
"role" : "readWrite",
"db" : "tianhe"
},
{
"role" : "read",
"db" : "tianhe2"
}
]
}
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查看整个mongoDB全部的用户：
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use admin
db.system.users.find()
{ "_id" : "admin.buru", "user" : "buru", "db" : "admin", "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "gwVwuA/dXvxgSHavEnlyvA==", "storedKey" : "l2QEVTEujpkCuqDEKqfIWbSv4ms=", "serverKey" : "M1ofNKXg2sNCsFrBJbX4pXbSgvg=" } }, "roles" : [ { "role" : "userAdminAnyDatabase", "db" : "admin" } ] }
{ "_id" : "tianhe.bao", "user" : "bao", "db" : "tianhe", "credentials" : { "SCRAM-SHA-1" : { "iterationCount" : 10000, "salt" : "//xy1V1fbqEHC1gzQqZHGQ==", "storedKey" : "ZS/o54zzl/FdcXLQJ98KdAVTfF0=", "serverKey" : "iIpNYz2Gk8KhyK3zgz6muBt0PI4=" } }, "roles" : [ { "role" : "readWrite", "db" : "tianhe" }, { "role" : "read", "db" : "tianhe2" } ] }
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创建完毕，验证一下：
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use buru
show collections
2015-03-17T10:30:06.461+0800 E QUERY Error: listCollections failed: {
"ok" : 0,
"errmsg" : "not authorized on buru to execute command { listCollections: 1.0 }",
"code" : 13
}
at Error (<anonymous>)
at DB._getCollectionInfosCommand (src/mongo/shell/db.js:643:15)
at DB.getCollectionInfos (src/mongo/shell/db.js:655:20)
at DB.getCollectionNames (src/mongo/shell/db.js:666:17)
at shellHelper.show (src/mongo/shell/utils.js:625:12)
at shellHelper (src/mongo/shell/utils.js:524:36)
at (shellhelp2):1:1 at src/mongo/shell/db.js:643
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显然没权限，先auth：
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db.auth("bao","12345678")
1
show collections
news
system.indexes
wahaha
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参考：
Mongo Shell：http://docs.mongodb.org/v2.2/tutorial/getting-started-with-the-mongo-shell
Enable Access Control：http://docs.mongodb.org/manual/tutorial/enable-authentication
Add a User to a Database：http://docs.mongodb.org/manual/tutorial/add-user-to-database
User Methods：http://docs.mongodb.org/manual/reference/method/js-user-management
Role Methods：http://docs.mongodb.org/manual/reference/method/js-role-management
mongodb 3.0 authentication：http://ibruce.info/2015/03/03/mongodb3-auth/
(责任编辑：IT) |
