MongoDB3.x中添加用户和权限控制
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)
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1.在admin库中,添加用户并授权 use admin; db.createUser( { user: "boot_admin", pwd: "boot_admin", roles: [ { role: "readWrite", db: "admin" } ] } );2.在admin库中验证 use admin; db.auth('boot_admin', 'boot_admin') |
说明:
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:
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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:
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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.profileuserAdmin: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 |
eg:
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> use adminswitched to db admin> db.createUser(... {... user: "dba",... pwd: "dba",... roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]... }... )Successfully added user: { "user" : "dba", "roles" : [ { "role" : "userAdminAnyDatabase", "db" : "admin" } ]} |
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。
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mongo --port=27020MongoDB shell version: 3.0.4connecting 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 () 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 0.078GBlocal 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" } ]}</anonymous> |
上面创建了2个帐号,现在验证下:验证前提需要一个集合
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> 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 }" }})> byeroot@zhoujinyi:/usr/local/mongo4# mongo --port=27020MongoDB shell version: 3.0.4connecting to: 127.0.0.1:27020/test> use testswitched 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。
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> 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 adminswitched to db admin> db.auth('zhoujinyi','zhoujinyi')1> use testswitched 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?
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> dbadmin> 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 testswitched 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 adminswitched 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 testswitched to db test> db.abc.insert({"a":1111,"b":2222})WriteResult({ "nInserted" : 1 })> use abcswitched 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?
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> use adminswitched 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
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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.bson2015-06-29T11:20:04.865-0400 writing test.abc metadata to backup/test/abc.metadata.json2015-06-29T11:20:04.866-0400 done dumping test.abc2015-06-29T11:20:04.867-0400 writing test.system.indexes to backup/test/system.indexes.bsonroot@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/ dir2015-06-29T11:20:26.609-0400 reading metadata file from backup/test/abc.metadata.json2015-06-29T11:20:26.609-0400 restoring test.abc from file backup/test/abc.bson2015-06-29T11:20:26.611-0400 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 metadata2015-06-29T11:20:26.612-0400 finished restoring test.abc2015-06-29T11:20:26.612-0400 done |
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