hadoop生态搭建（3节点）-13.mongodb配置

时间：2021-11-13 08:45:24

# 13.mongodb配置_副本集_认证授权
# ==================================================================安装 mongodb

tar -zxvf ~/mongodb-linux-x86_64-rhel70-3.4.5.tgz -C /usr/local

mv /usr/local/mongodb-linux-x86_64-rhel70-3.4.5 /usr/local/mongodb-3.4.5

rm -r ~/mongodb-linux-x86_64-rhel70-3.4.5.tgz

# 环境变量
# ==================================================================node1 node2 node3

vi /etc/profile

# 在export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL下添加

export JAVA_HOME=/usr/java/jdk1.8.0_111

export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.12

export HADOOP_HOME=/usr/local/hadoop-2.7.6

export MYSQL_HOME=/usr/local/mysql

export HBASE_HOME=/usr/local/hbase-1.2.4

export HIVE_HOME=/usr/local/hive-2.1.1

export SCALA_HOME=/usr/local/scala-2.12.4

export KAFKA_HOME=/usr/local/kafka_2.12-0.10.2.1

export FLUME_HOME=/usr/local/flume-1.8.0

export SPARK_HOME=/usr/local/spark-2.3.0

export STORM_HOME=/usr/local/storm-1.1.0

export ERLANG_HOME=/usr/local/erlang

export RABBITMQ_HOME=/usr/local/rabbitmq_server-3.7.5

export MONGODB_HOME=/usr/local/mongodb-3.4.5

export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$MYSQL_HOME/bin:$HBASE_HOME/bin:$HIVE_HOME/bin:$SCALA_HOME/bin:$KAFKA_HOME/bin:$FLUME_HOME/bin:$SPARK_HOME/bin:$SPARK_HOME/sbin:$STORM_HOME/bin:$ERLANG_HOME/bin:$RABBITMQ_HOME/ebin:$RABBITMQ_HOME/sbin:$MONGODB_HOME/bin

export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

export HADOOP_INSTALL=$HADOOP_HOME

export HADOOP_MAPRED_HOME=$HADOOP_HOME

export HADOOP_COMMON_HOME=$HADOOP_HOME

export HADOOP_HDFS_HOME=$HADOOP_HOME

export YARN_HOME=$HADOOP_HOME

export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native

# ==================================================================node1

# 使环境变量生效

source /etc/profile

# 查看配置结果

echo $MONGODB_HOME

mkdir -p $MONGODB_HOME/{conf,data,pids,logs}

vi $MONGODB_HOME/conf/mongod.conf

systemLog:

  destination: file

  logAppend: true

  #日志文件存放目录

  path: /usr/local/mongodb-3.4.5/logs/mongod.log

storage:

  #数据文件存放目录

  dbPath: /usr/local/mongodb-3.4.5/data

  journal:

    enabled: true

processManagement:

  #以守护程序的方式启用，即在后台运行

  fork: true

  pidFilePath: /usr/local/mongodb-3.4.5/pids/mongod.pid

net:

  port: 27017 #端口

replication:

  replSetName: replSet1

#security:

#  authorization: enabled

#  keyFile: /usr/local/mongodb-3.4.5/keyfile/mongodb.keyfile

scp -r $MONGODB_HOME node2:/usr/local/

scp -r $MONGODB_HOME node3:/usr/local/

# ==================================================================node2 node3

# 使环境变量生效

source /etc/profile

# 查看配置结果

echo $MONGODB_HOME

shutdown -h now
# 快照 mongodb_副本集_集群前

# 副本集配置

# ==================================================================node1 node2 node3

mongod -f $MONGODB_HOME/conf/mongod.conf

# ==================================================================任意一台

mongo --port 27017

# 添加副本集配置

> cfg={_id:"replSet1", members:[{_id:1, host:'node1:27017'},{_id:2, host:'node2:27017'}, {_id:3, host:'node3:27017'}]};

> rs.initiate(cfg);

> rs.status();

> exit;

# ==================================================================node1

mongo node1:27017/admin

replSet1:PRIMARY> rs.status();

replSet1:PRIMARY> use admin;

replSet1:PRIMARY> db.dropUser("admin");

replSet1:PRIMARY> db.createUser({user: "admin",pwd: "Mongo*123456",roles: [{role:"root",db:"admin"}]});

replSet1:PRIMARY> db.auth("admin", "Mongo*123456");

replSet1:PRIMARY> exit

# ==================================================================node2

mongo node2:27017/admin

replSet1:SECONDARY> rs.status();

replSet1:SECONDARY> exit;

# ==================================================================node3

mongo node3:27017/admin

replSet1:SECONDARY> rs.status();

replSet1:SECONDARY> exit;

# ==================================================================node1

mkdir -p $MONGODB_HOME/keyfile

openssl rand -base64 756 > $MONGODB_HOME/keyfile/mongodb.keyfile

chmod 600 $MONGODB_HOME/keyfile/mongodb.keyfile

# ==================================================================node2 node3

mkdir -p $MONGODB_HOME/keyfile

# ==================================================================node1

# 开启了keyFile,隐含就开启了auth，这个时候连接副本集就需要进行认证了

# 重启Mongo服务

scp -r $MONGODB_HOME/keyfile/mongodb.keyfile node2:$MONGODB_HOME/keyfile/

scp -r $MONGODB_HOME/keyfile/mongodb.keyfile node3:$MONGODB_HOME/keyfile/

# ==================================================================node2 node3

chmod 600 $MONGODB_HOME/keyfile/mongodb.keyfile

# ==================================================================node1 node2 node3

vi $MONGODB_HOME/conf/mongod.conf

security:

  authorization: enabled

  keyFile: /usr/local/mongodb-3.4.5/keyfile/mongodb.keyfile

# ==================================================================node1 node2 node3

# 先从再主 先node3 node2 最后node1

mongod -f $MONGODB_HOME/conf/mongod.conf --shutdown

mongod -f $MONGODB_HOME/conf/mongod.conf

mongo node1:27017

> use admin;

> show dbs;

# 此刻会报错误，没有授权

> exit;

# ==================================================================node1

mongo node1:27017/admin -u admin -p Mongo*123456

replSet1:PRIMARY> rs.status();

# > use logs;

# > db.dropUser("loguser");

# > db.createUser({user: "loguser",pwd: "Mongo*123456",roles: [{role: "readWrite", db: "logs"}]});

# > db.auth("loguser", "Mongo*123456");

# > db.createUser({user: "loguser",pwd: "Mongo*123456",roles: [{role : "readWrite",db : "logs"},{role : "readWrite",db : "school"}]});

# > db.updateUser({user: "loguser",pwd: "Mongo*123456",roles: [{role : "readWrite",db : "logs"},{role : "readWrite",db : "school"}]})

> use school;

> db.dropUser("schooluser");

> db.createUser({user: "schooluser",pwd: "Mongo*123456",roles: [{role: "readWrite", db: "school"}]});

> db.auth("schooluser", "Mongo*123456");

> exit;

mongo node1:27017/school -u schooluser -p Mongo*123456

> use school;

> db.student.insert({name:"Tom", age:16})

db.student.insert({name:"Jerry", age:15})

db.student.insert({name:"Mary", age:9});

> db.student.find();

# ==================================================================node2

mongo node2:27017/school -u schooluser -p Mongo*123456

replSet1:SECONDARY> db.student.find();

Error: error: {

    "ok" : 0,

    "errmsg" : "not master and slaveOk=false",

    "code" : 13435,

    "codeName" : "NotMasterNoSlaveOk"

}

# 发生上述错误是因为mongodb默认读写都是在Primary上进行的，副本节点不允许读写，可以使用如下命令来允许副本读：

> db.getMongo().setSlaveOk();

replSet1:SECONDARY> db.student.find();

{ "_id" : ObjectId("59d98fde9740291fac4998fb"), "name" : "Tom", "age" : 16 }

{ "_id" : ObjectId("59d98fe69740291fac4998fc"), "name" : "Jerry", "age" : 15 }

{ "_id" : ObjectId("59d98fed9740291fac4998fd"), "name" : "Mary", "age" : 9 }

> exit;

# ==================================================================node3

mongo node3:27017/school -u schooluser -p Mongo*123456

replSet1:SECONDARY> db.student.find();

Error: error: {

    "ok" : 0,

    "errmsg" : "not master and slaveOk=false",

    "code" : 13435,

    "codeName" : "NotMasterNoSlaveOk"

}

# 发生上述错误是因为mongodb默认读写都是在Primary上进行的，副本节点不允许读写，可以使用如下命令来允许副本读：

> db.getMongo().setSlaveOk();

replSet1:SECONDARY> db.student.find();

{ "_id" : ObjectId("59d98fde9740291fac4998fb"), "name" : "Tom", "age" : 16 }

{ "_id" : ObjectId("59d98fe69740291fac4998fc"), "name" : "Jerry", "age" : 15 }

{ "_id" : ObjectId("59d98fed9740291fac4998fd"), "name" : "Mary", "age" : 9 }

> exit;

# ==================================================================node3 node2 node1

# 先从再主 先node3 node2 最后node1

mongod -f $MONGODB_HOME/conf/mongod.conf --shutdown

shutdown -h now

# 快照 mongodb_副本集_安全认证

# 另一种方式

# 13.mongodb配置_副本集_分片_认证授权

# ==================================================================规划

hadoop生态搭建（3节点）-13.mongodb配置

# 端口分配：
mongos: 27017
config: 27000
shard1: 27001
shard2: 27002
shard3: 27003

# ==================================================================安装 mongodb

tar -zxvf ~/mongodb-linux-x86_64-rhel70-3.4.5.tgz -C /usr/local

mv /usr/local/mongodb-linux-x86_64-rhel70-3.4.5 /usr/local/mongodb-3.4.5

rm -r ~/mongodb-linux-x86_64-rhel70-3.4.5.tgz

# 环境变量
# ==================================================================node1 node2 node3

vi /etc/profile

# 在export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL下添加

export JAVA_HOME=/usr/java/jdk1.8.0_111

export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.12

export HADOOP_HOME=/usr/local/hadoop-2.7.6

export MYSQL_HOME=/usr/local/mysql

export HBASE_HOME=/usr/local/hbase-1.2.4

export HIVE_HOME=/usr/local/hive-2.1.1

export SCALA_HOME=/usr/local/scala-2.12.4

export KAFKA_HOME=/usr/local/kafka_2.12-0.10.2.1

export FLUME_HOME=/usr/local/flume-1.8.0

export SPARK_HOME=/usr/local/spark-2.3.0

export STORM_HOME=/usr/local/storm-1.1.0

export ERLANG_HOME=/usr/local/erlang

export RABBITMQ_HOME=/usr/local/rabbitmq_server-3.7.5

export MONGODB_HOME=/usr/local/mongodb-3.4.5

export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$MYSQL_HOME/bin:$HBASE_HOME/bin:$HIVE_HOME/bin:$SCALA_HOME/bin:$KAFKA_HOME/bin:$FLUME_HOME/bin:$SPARK_HOME/bin:$SPARK_HOME/sbin:$STORM_HOME/bin:$ERLANG_HOME/bin:$RABBITMQ_HOME/ebin:$RABBITMQ_HOME/sbin:$MONGODB_HOME/bin

export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar

export HADOOP_INSTALL=$HADOOP_HOME

export HADOOP_MAPRED_HOME=$HADOOP_HOME

export HADOOP_COMMON_HOME=$HADOOP_HOME

export HADOOP_HDFS_HOME=$HADOOP_HOME

export YARN_HOME=$HADOOP_HOME

export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native

# ==================================================================node1

# 使环境变量生效

source /etc/profile

# 查看配置结果

echo $MONGODB_HOME

# ==================================================================node1

mkdir -p $MONGODB_HOME/{conf,data,pids,logs}

vi $MONGODB_HOME/conf/mongod.conf

systemLog:

  destination: file

  logAppend: true

  #日志文件存放目录

  path: /usr/local/mongodb-3.4.5/logs/mongod.log

storage:

  #数据文件存放目录

  dbPath: /usr/local/mongodb-3.4.5/data

  journal:

    enabled: true

processManagement:

  #以守护程序的方式启用，即在后台运行

  fork: true

  pidFilePath: /usr/local/mongodb-3.4.5/pids/mongod.pid

net:

  port: 27017 #端口

replication:

  replSetName: replSet1

#security:

#  authorization: enabled

#  keyFile: /usr/local/mongodb-3.4.5/keyfile/mongodb.keyfile

scp -r $MONGODB_HOME node2:/usr/local/

scp -r $MONGODB_HOME node3:/usr/local/

# ==================================================================node2 node3

# 使环境变量生效

cd ~

source /etc/profile

# 查看配置结果

echo $MONGODB_HOME

# 分别在每台机器建立conf、mongos、config、shard1、shard2、shard3六个目录，因为mongos不存储数据，只需要建立日志文件目录即可。

mkdir -p $MONGODB_HOME/conf

mkdir -p $MONGODB_HOME/mongos/logs

mkdir -p $MONGODB_HOME/config/{data,logs}

mkdir -p $MONGODB_HOME/shard1/{data,logs}

mkdir -p $MONGODB_HOME/shard2/{data,logs}

mkdir -p $MONGODB_HOME/shard3/{data,logs}

# 配置文件内容

vi $MONGODB_HOME/conf/config.conf

pidfilepath = /usr/local/mongodb-3.4.5/config/logs/configsvr.pid

dbpath = /usr/local/mongodb-3.4.5/config/data

logpath = /usr/local/mongodb-3.4.5/config/logs/configsvr.log

logappend = true

bind_ip = 0.0.0.0

port = 27000

fork = true

configsvr = true

#副本集名称

replSet=configs

#设置最大连接数

maxConns=20000

# 安全认证机制

# keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

# 开启用户认证

# auth = true

# ==================================================================node1 node2 node3

# 设置第一个分片副本集

vi $MONGODB_HOME/conf/shard1.conf

pidfilepath = /usr/local/mongodb-3.4.5/shard1/logs/shard1.pid

dbpath = /usr/local/mongodb-3.4.5/shard1/data

logpath = /usr/local/mongodb-3.4.5/shard1/logs/shard1.log

logappend = true

bind_ip = 0.0.0.0

port = 27001

fork = true

#打开web监控

httpinterface = true

rest = true

#副本集名称

replSet = shard1

shardsvr = true

#设置最大连接数

maxConns = 20000

# 安全认证机制

# keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

# 开启用户认证

# auth = true

# ==================================================================node1 node2 node3

设置第二个分片副本集

vi $MONGODB_HOME/conf/shard2.conf

pidfilepath = /usr/local/mongodb-3.4.5/shard2/logs/shard2.pid

dbpath = /usr/local/mongodb-3.4.5/shard2/data

logpath = /usr/local/mongodb-3.4.5/shard2/logs/shard2.log

logappend = true

bind_ip = 0.0.0.0

port = 27002

fork = true

# 打开web监控

httpinterface = true

rest = true

# 副本集名称

replSet = shard2

shardsvr = true

#设置最大连接数

maxConns = 20000

# 安全认证机制

# keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

# 开启用户认证

# auth = true

# 设置第三个分片副本集

# ==================================================================node1 node2 node3

vi $MONGODB_HOME/conf/shard3.conf

pidfilepath = /usr/local/mongodb-3.4.5/shard3/logs/shard3.pid

dbpath = /usr/local/mongodb-3.4.5/shard3/data

logpath = /usr/local/mongodb-3.4.5/shard3/logs/shard3.log

logappend = true

bind_ip = 0.0.0.0

port = 27003

fork = true

# 打开web监控

httpinterface=true

rest=true

# 副本集名称

replSet=shard3

shardsvr = true

# 设置最大连接数

maxConns=20000

# 安全认证机制

# keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

# 开启用户认证

# auth = true

# ==================================================================node1 node2 node3

# 配置路由服务器 mongos

# 先启动配置服务器和分片服务器,后启动路由实例启动路由实例:（三台机器）

vi $MONGODB_HOME/conf/mongos.conf

pidfilepath = /usr/local/mongodb-3.4.5/mongos/logs/mongos.pid

logpath = /usr/local/mongodb-3.4.5/mongos/logs/mongos.log

logappend = true

bind_ip = 0.0.0.0

port = 27017

fork = true

#监听的配置服务器,只能有1个或者3个 configs为配置服务器的副本集名字

configdb = configs/node1:27000,node2:27000,node3:27000

#设置最大连接数

maxConns=20000

# 安全认证机制

# keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

# ==================================================================node1

scp -r $MONGODB_HOME node2:/usr/local/

scp -r $MONGODB_HOME node3:/usr/local/

# 查看配置结果

echo $MONGODB_HOME

shutdown -h now

# 快照 mongodb集群前

# 启动

# 启动config server

# ==================================================================node1 node2 node3

mongod -f $MONGODB_HOME/conf/config.conf

# ==================================================================任意一台

# 登录任意一台配置服务器，初始化配置副本集

mongo --port 27000

> config={_id:"configs",members:[{_id:1,host:"node1:27000"},{_id:2,host:"node2:27000"},{_id:3,host:"node3:27000"}]}

> rs.initiate(config)

# 其中 "_id":"configs" 应与配置文件中配置的 replicaction.replSetName 一致，"members" 中的 "host" 为三个节点的 ip 和 port

# 启动shard1 server

# ==================================================================node1 node2 node3

mongod -f $MONGODB_HOME/conf/shard1.conf

# ==================================================================任意一台

# 登陆任意一台服务器，初始化副本集

mongo --port 27001

#定义副本集配置，第三个节点的 "arbiterOnly":true 代表其为仲裁节点。

> config={_id:"shard1",members:[{_id:1,host:"node1:27001"},{_id:2,host:"node2:27001"},{_id:3,host:"node3:27001",arbiterOnly:true}]}

> rs.initiate(config);

# 启动shard2 server

# ==================================================================node1 node2 node3

mongod -f $MONGODB_HOME/conf/shard2.conf

# ==================================================================任意一台

mongo --port 27002

> config={_id:"shard2",members:[{_id:1,host:"node1:27002",arbiterOnly:true},{_id:2,host:"node2:27002"},{_id:3,host:"node3:27002"}]}

> rs.initiate(config);

# 启动shard3 server

# ==================================================================node1 node2 node3

mongod -f $MONGODB_HOME/conf/shard3.conf

# ==================================================================任意一台

# 登陆任意一台服务器，初始化副本集

mongo --port 27003

> config={_id:"shard3",members:[{_id:1,host:"node1:27003"},{_id:2,host:"node2:27003",arbiterOnly:true},{_id:3,host:"node3:27003"}]}

> rs.initiate(config);

# ==================================================================node1 node2 node3

# 启动三台服务器的mongos server

mongos -f $MONGODB_HOME/conf/mongos.conf

# 启用分片

# 目前搭建了mongodb配置服务器、路由服务器，各个分片服务器，不过应用程序连接到mongos路由服务器并不能使用分片机制，还需要在程序里设置分片配置，让分片生效。

# ==================================================================任意一台

# 登陆任意一台mongos

mongo --port 27017

#使用admin数据库

> use admin;

# 串联路由服务器与分配副本集

> sh.addShard("shard1/node1:27001,node2:27001,node3:27001")

> sh.addShard("shard2/node1:27002,node2:27002,node3:27002")

> sh.addShard("shard3/node1:27003,node2:27003,node3:27003")

#查看分片服务器的配置

> db.runCommand({listshards:1});

# 查看集群状态

> sh.status();

# 测试

# 目前配置服务、路由服务、分片服务、副本集服务都已经串联起来了，但我们的目的是希望插入数据，数据能够自动分片。连接在mongos上，准备让指定的数据库、指定的集合分片生效。

# 指定test分片生效

> db.runCommand({enablesharding:"test"});

# 指定数据库里需要分片的集合和片键

# 设置分片的集合名称。且必须指定Shard Key，系统会自动创建索引，然后根据这个shard Key来计算

> db.runCommand({shardcollection:"test.table1",key:{_id:"hashed"}});

# 我们设置test的 table1 表需要分片，根据 id 自动分片到 shard1 ，shard2，shard3 上面去。要这样设置是因为不是所有mongodb 的数据库和表 都需要分片

#使用test

> use test;

#插入测试数据

> for (var i = 1; i <= 5000; i++) db.table1.save({id:i,"field1":"testval"+i});

# WriteResult({ "nInserted" : 1 })

> db.table1.find().count();

> db.table1.find().limit(5);

# 查看分片

> db.table1.stats();

# 可以看到数据分到3个分片，表示已经成功了

#默认是从主节点读写数据，副本节点上不允许读，需要设置副本节点可以读

repset:SECONDARY> db.getMongo().setSlaveOk();

repset:SECONDARY> show tables;

# 查看机器 主 从 仲裁

mongo --host node1 --port 27001

mongo --host node2 --port 27001

mongo --host node3 --port 27001

mongo --host node1 --port 27002

mongo --host node2 --port 27002

mongo --host node3 --port 27002

mongo --host node1 --port 27003

mongo --host node2 --port 27003

mongo --host node3 --port 27003

shutdown -h now

# 快照 mongodb未安全认证

# 开始安全认证

mongod -f $MONGODB_HOME/conf/config.conf

mongod -f $MONGODB_HOME/conf/shard1.conf

mongod -f $MONGODB_HOME/conf/shard2.conf

mongod -f $MONGODB_HOME/conf/shard3.conf

mongos -f $MONGODB_HOME/conf/mongos.conf

mongo --port 27017

# 添加用户 注意一定要使用admin数据库

> use admin;

> db.dropUser("admin");

> db.createUser({user: "admin",pwd: "Mongo*123",roles: [{role:"root",db:"admin"}]});

> db.auth("admin", "Mongo*123");

> exit;

# ==================================================================node1

# 生成密钥文件。

# 在keyFile身份验证中，副本集中的每个mongod实例都使用keyFile的内容作为共享密码，只有具有正确密钥文件的mongod或者mongos实例可以连接到副本集。密钥文件的内容必须在6到1024个字符之间，并且在unix/linux系统中文件所有者必须有对文件至少有读的权限。

# 可以用任何方式生成密钥文件例如：

#随机生成keyFile或者手动写入,key的长度必须是6-1024的base64字符，unix下必须相同组权限，windows下不需要

mkdir -p $MONGODB_HOME/keyfile

openssl rand -base64 756 > $MONGODB_HOME/keyfile/keyFile.file

chmod 600 $MONGODB_HOME/keyfile/keyFile.file

# ==================================================================node2

mkdir -p $MONGODB_HOME/keyfile

# ==================================================================node3

mkdir -p $MONGODB_HOME/keyfile

# ==================================================================node1

# 第一条命令是生成密钥文件，第二条命令是使用chmod更改文件权限，为文件所有者提供读权限

# 将密钥复制到集群中的每台机器指定位置

scp -r $MONGODB_HOME/keyfile/keyFile.file root@node2:$MONGODB_HOME/keyfile

scp -r $MONGODB_HOME/keyfile/keyFile.file root@node3:$MONGODB_HOME/keyfile

# ==================================================================node2

chmod 600 $MONGODB_HOME/keyfile/keyFile.file

# ==================================================================node3

chmod 600 $MONGODB_HOME/keyfile/keyFile.file

# ==================================================================node1

# 依次在每台机器上的mongod（注意是所有的mongod不是mongos）的配置文件中加入下面一段配置。

# config server，shard1，shard2，shard3都加入下面的配置文件

# 配置文件内容

vi $MONGODB_HOME/conf/config.conf

keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

auth = true

vi $MONGODB_HOME/conf/shard1.conf

keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

auth = true

vi $MONGODB_HOME/conf/shard2.conf

keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

auth = true

vi $MONGODB_HOME/conf/shard3.conf

keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

auth = true

vi $MONGODB_HOME/conf/mongos.conf

keyFile = /usr/local/mongodb-3.4.5/keyfile/keyFile.file

scp -r $MONGODB_HOME/conf/config.conf root@node2:$MONGODB_HOME/conf

scp -r $MONGODB_HOME/conf/shard1.conf root@node2:$MONGODB_HOME/conf

scp -r $MONGODB_HOME/conf/shard2.conf root@node2:$MONGODB_HOME/conf

scp -r $MONGODB_HOME/conf/shard3.conf root@node2:$MONGODB_HOME/conf

scp -r $MONGODB_HOME/conf/mongos.conf root@node2:$MONGODB_HOME/conf

scp -r $MONGODB_HOME/conf/config.conf root@node3:$MONGODB_HOME/conf

scp -r $MONGODB_HOME/conf/shard1.conf root@node3:$MONGODB_HOME/conf

scp -r $MONGODB_HOME/conf/shard2.conf root@node3:$MONGODB_HOME/conf

scp -r $MONGODB_HOME/conf/shard3.conf root@node3:$MONGODB_HOME/conf

scp -r $MONGODB_HOME/conf/mongos.conf root@node3:$MONGODB_HOME/conf

# ==================================================================node3 node2 node1

# 先从再主

mongod -f $MONGODB_HOME/conf/config.conf --shutdown

mongod -f $MONGODB_HOME/conf/shard1.conf --shutdown

mongod -f $MONGODB_HOME/conf/shard2.conf --shutdown

mongod -f $MONGODB_HOME/conf/shard3.conf --shutdown

# ==================================================================node1 node2 node3

# mongodb的启动顺序是，先启动配置服务器，在启动分片，最后启动mongos.

mongod -f $MONGODB_HOME/conf/config.conf

mongod -f $MONGODB_HOME/conf/shard1.conf

mongod -f $MONGODB_HOME/conf/shard2.conf

mongod -f $MONGODB_HOME/conf/shard3.conf

mongos -f $MONGODB_HOME/conf/mongos.conf

mongo --port 27017

> use admin;

> show dbs;

# 此刻会报错误，没有授权

> exit;

# ==================================================================node1

mongo node1:27017/admin -u admin -p Mongo*123

> show dbs;

> db.runCommand({enablesharding:"logs"});

> db.runCommand({shardcollection:"logs.logList",key:{id:1}})

> use logs;

> db.dropUser("loguser");

> db.createUser({user:"loguser",pwd:"Mongo*123",roles:[{role:"readWrite",db:"logs"}]});

> db.auth("loguser","Mongo*123");

> db.logList.ensureIndex({key: -1});

# > db.logList.ensureIndex({DateTime: -1});

# > db.logList.ensureIndex({PrimaryData: -1});

> exit;

mongo node2:27017/logs -u loguser -p Mongo*123

...SECONDARY> db.logList.find().count();

Error: error: {

    "ok" : 0,

    "errmsg" : "not master and slaveOk=false",

    "code" : 13435,

    "codeName" : "NotMasterNoSlaveOk"

}

# 发生上述错误是因为mongodb默认读写都是在Primary上进行的，副本节点不允许读写，可以使用如下命令来允许副本读：

> db.getMongo().setSlaveOk();

...SECONDARY> db.student.find();

mongo node1:27017/logs -u loguser -p Mongo*123

> use logs;

> show tables;

> db.logList.find().count();

#插入测试数据

> for (var i = 1; i <= 5000; i++) db.logList.save({id:i,"field1":"testval" + i});

# WriteResult({ "nInserted" : 1 })

> db.logList.find().count();

> db.logList.find().limit(5);

# 查看分片

> db.logList.stats();

> db.logList.find().skip(0).limit(5);

> db.logList.remove({});

shutdown -h now

# 快照 mongodb安全认证

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