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mongodb复制集部署文档

一、安装SNMP新版mongodb需要此依赖安装

安装snmp服务需要的rpm包:

perl-Data-Dumper-2.145-3.el7.x86_64.rpm

net-snmp-5.7.2-28.el7_4.1.x86_64.rpm

net-snmp-agent-libs-5.7.2-28.el7_4.1.x86_64.rpm

net-snmp-libs-5.7.2-28.el7_4.1.x86_64.rpm

 

 

https://download.csdn.net/download/weixin_42903334/10901084    文档以及下载地址CSDN链接

安装步骤:

(1)将这个几rpm包放到任意目录下,进入到这个目录,执行命令  rpm -ivh net-snmp*.rpm --force

      例如,将这几个rpm包放在 /root目录下,然后进入这个目录  cd /root,   然后执行命令

    rpm -ivh net-snmp*.rpm --force      安装完成之后,这几个rpm包就可以删掉了。

(2)修改配置文件(/etc/snmp/snmpd.conf),大家可以参考http://www.linuxde.net/2013/02/12269.htmlsnmp进行符合自己要求的配置,如果你嫌麻烦,可以直接用我配置好的snmpd.conf覆盖过去,基本能满足我们日常开发需求,步骤就是把压缩包里的snmpd.conf复制到/etc/snmp/snmpd.conf目录下,覆盖。

 

 

(3)最后启动服务,执行命令 systemctl start snmpd

(4)测试验证SNMP配置的正确性,执行命令

  snmpwalk -v 1 192.168.0.200 -c public system      

  (注意,192.168.0.200更改为自己安装snmp服务的那台机器地址

 

表明安装成功!!!

二、mongodb配置,顺序一定不能错

创建相关目录

添加mongodb环境变量

echo 'export PATH=/usr/local/mongodb/bin:$PATH'  >>  /etc/profile

source /etc/profile

 

[root@roothost-10-90-2-105 mongodb4.0.2]# mkdir data logs # 数据目录和日志目录

 

新建配置文件(两个节点的配置一下只有存数据的目录不同)

[root@roothost-10-90-2-105 mongodb4.0.2]# cat mongodb.conf

logpath=/usr/local/mongodb/logs/mongod.log   # 日志路径

logappend=true # 是否日志追加

fork=true # 后台启动

port=27017 # 端口

dbpath=/usr/local/mongodb/data/mongodb_bak/mongodb_bak_now # 数据目录

pidfilepath=/usr/local/mongodb/data/mongod.pid # pid

oplogSize=4096   # 设置oplog的大小

maxCOnns=640000 # 最大同时连接数 默认2000

directoryperdb=true # 设置每个数据库将被保存在一个单独的目录

bind_ip=0.0.0.0 # 监听  0.0.0.0 代表可以被访问连接

 

启动主节点

 

[root@roothost-10-90-2-105 mongodb4.0.2]#./bin/mongod -f mongodb.conf  # 主

进入主节点并新建root账号

[root@roothost-10-90-2-105 mongodb4.0.2]#mongo

MongoDB shell version v4.0.2

connecting to: mongodb://127.0.0.1:27017

MongoDB server version: 4.0.2> db.createUser({ user: 'root', pwd: 'test123', roles: [ { role:"root", db: "admin" } ] });

Successfully added user: {

    "user" : "root",

    "roles" : [

        {

            "role" : "root",

            "db" : "admin"

        }

]}> 

停止主节点

 

[root@roothost-10-90-2-105 mongodb4.0.2]#./bin/mongod -f mongodb.conf  # 主

 

启用密码认证和keyfile证书验证

把主节点上生成的energy-rc.key传到从节点上,配置同主节点一样(记得对传过去的文件也得同样赋权限)

# 生成keyfiles文件[root@roothost-10-90-2-105 mongodb4.0.2]#openssl rand -base64 756 > energy-rc.key    

# 设置只读权限[root@roothost-10-90-2-105 mongodb4.0.2]#chmod 400 energy-rc.key                                   

# 配置文件中添加如下[root@roothost-10-90-2-105 mongodb4.0.2]#cat   mongodb.conf

auth=true #打开认证

keyFile=/root/mongodb4.0.2/energy-rc.key  #启用key验证

replSet=rs0

 

启动主从节点

[root@roothost-10-90-2-105 mongodb4.0.2]#./bin/mongod -f mongodb.conf  # 主[root@server mongodb4.0.2]#./bin/mongod -f mongodb.conf # 从

进入主节点添加副本集节点

2018-09-05T13:26:02.859+0800 I CONTROL  [main] Automatically disabling TLS 1.0, to force-enable TLS 1.0 specify --sslDisabledProtocols 'none'

about to fork child process, waiting until server is ready for connections.

forked process: 6290

child process started successfully, parent exiting[root@roothost-10-90-2-105 mongodb4.0.2]# ./bin/mongo

MongoDB shell version v4.0.2

connecting to: mongodb://127.0.0.1:27017

MongoDB server version: 4.0.2

> use admin

switched to db admin> db.auth('root','test123')1

 # 查看复制集状态> rs.status(){

    "ok" : 0,

    "errmsg" : "no replset config has been received",

    "code" : 94,

    "codeName" : "NotYetInitialized"}

# 定义配置信息,把两台节点加进来> var cfg={_id:'rs0',members:[{_id:0,host:'10.90.2.105:27017'},{_id:1,host:'10.90.2.103:27017'}]}

# 初始化复制集> rs.initiate(cfg){ "ok" : 1 }

# 查看配置信息

rs0:SECONDARY> rs.conf(){

    "_id" : "rs0",

    "version" : 1,

    "protocolVersion" : NumberLong(1),

    "writeConcernMajorityJournalDefault" : true,

    "members" : [

        {

            "_id" : 0,

            "host" : "10.90.2.105:27017",

            "arbiterOnly" : false,

            "buildIndexes" : true,

            "hidden" : false,

            "priority" : 1,

            "tags" : {

                

            },

            "slaveDelay" : NumberLong(0),

            "votes" : 1

        },

        {

            "_id" : 1,

            "host" : "10.90.2.103:27017",

            "arbiterOnly" : false,

            "buildIndexes" : true,

            "hidden" : false,

            "priority" : 1,

            "tags" : {

                

            },

            "slaveDelay" : NumberLong(0),

            "votes" : 1

        }

    ],

    "settings" : {

        "chainingAllowed" : true,

        "heartbeatIntervalMillis" : 2000,

        "heartbeatTimeoutSecs" : 10,

        "electionTimeoutMillis" : 10000,

        "catchUpTimeoutMillis" : -1,

        "catchUpTakeoverDelayMillis" : 30000,

        "getLastErrorModes" : {

            

        },

        "getLastErrorDefaults" : {

            "w" : 1,

            "wtimeout" : 0

        },

        "replicaSetId" : ObjectId("5b8f65bd5eb3d94f12e22e96")

    }}

rs0:SECONDARY> rs.status(){

    "set" : "rs0",

    "date" : ISODate("2018-09-05T05:13:09.326Z"),

    "myState" : 2,

    "term" : NumberLong(0),

    "syncingTo" : "",

    "syncSourceHost" : "",

    "syncSourceId" : -1,

    "heartbeatIntervalMillis" : NumberLong(2000),

    "optimes" : {

        "lastCommittedOpTime" : {

            "ts" : Timestamp(0, 0),

            "t" : NumberLong(-1)

        },

        "appliedOpTime" : {

            "ts" : Timestamp(1536124349, 1),

            "t" : NumberLong(-1)

        },

        "durableOpTime" : {

            "ts" : Timestamp(1536124349, 1),

            "t" : NumberLong(-1)

        }

    },

    "lastStableCheckpointTimestamp" : Timestamp(0, 0),

    "members" : [

        {

            "_id" : 0,

            "name" : "10.90.2.105:27017",

            "health" : 1,

            "state" : 2,

            "stateStr" : "SECONDARY",

            "uptime" : 191,

            "optime" : {

                "ts" : Timestamp(1536124349, 1),

                "t" : NumberLong(-1)

            },

            "optimeDate" : ISODate("2018-09-05T05:12:29Z"),

            "syncingTo" : "",

            "syncSourceHost" : "",

            "syncSourceId" : -1,

            "infoMessage" : "could not find member to sync from",

            "configVersion" : 1,

            "self" : true,

            "lastHeartbeatMessage" : ""

        },

        {

            "_id" : 1,

            "name" : "10.90.2.103:27017",

            "health" : 1,

            "state" : 0,

            "stateStr" : "STARTUP",

            "uptime" : 39,

            "optime" : {

                "ts" : Timestamp(0, 0),

                "t" : NumberLong(-1)

            },

            "optimeDurable" : {

                "ts" : Timestamp(0, 0),

                "t" : NumberLong(-1)

            },

            "optimeDate" : ISODate("1970-01-01T00:00:00Z"),

            "optimeDurableDate" : ISODate("1970-01-01T00:00:00Z"),

            "lastHeartbeat" : ISODate("2018-09-05T05:13:09.261Z"),

            "lastHeartbeatRecv" : ISODate("1970-01-01T00:00:00Z"),

            "pingMs" : NumberLong(0),

            "lastHeartbeatMessage" : "",

            "syncingTo" : "",

            "syncSourceHost" : "",

            "syncSourceId" : -1,

            "infoMessage" : "",

            "configVersion" : -2

        }

    ],

    "ok" : 1}

rs0:SECONDARY> 

现在退出连接重新连接下主库,主节点的状态就变成PRIMARY

[root@roothost-10-90-2-105 mongodb4.0.2]#./bin/mongod --shutdown -f mongodb.conf  # 主[root@roothost-10-90-2-105 mongodb4.0.2]#./bin/mongod -f mongodb.conf # 主[root@roothost-10-90-2-105 mongodb4.0.2]# ./bin/mongo

MongoDB shell version v4.0.2

connecting to: mongodb://127.0.0.1:27017

MongoDB server version: 4.0.2

# 需要认证才能查看

rs0:SECONDARY> show dbs;2018-09-05T13:26:33.214+0800 E QUERY    [js] Error: listDatabases failed:{

    "operationTime" : Timestamp(1536125178, 1),

    "ok" : 0,

    "errmsg" : "command listDatabases requires authentication",

    "code" : 13,

    "codeName" : "Unauthorized",

    "$clusterTime" : {

        "clusterTime" : Timestamp(1536125178, 1),

        "signature" : {

            "hash" : BinData(0,"IszQmtleFm3uVO+Uc8luktG9uYM="),

            "keyId" : NumberLong("6597607397777211393")

        }

    }} :

_getErrorWithCode@src/mongo/shell/utils.js:25:13

Mongo.prototype.getDBs@src/mongo/shell/mongo.js:67:1

shellHelper.show@src/mongo/shell/utils.js:876:19

shellHelper@src/mongo/shell/utils.js:766:15

@(shellhelp2):1:1

# 认证

rs0:PRIMARY> use admin

switched to db admin

rs0:PRIMARY> db.auth('root','test123')1

# 可以看到,当前节点为主了

rs0:PRIMARY> db.isMaster();{

    "hosts" : [

        "10.90.2.105:27017",

        "10.90.2.103:27017"

    ],

    "setName" : "rs0",

    "setVersion" : 1,

    "ismaster" : true,

    "secondary" : false,

    "primary" : "10.90.2.105:27017",

    "me" : "10.90.2.105:27017",

    "electionId" : ObjectId("7fffffff0000000000000001"),

    "lastWrite" : {

        "opTime" : {

            "ts" : Timestamp(1536125327, 1),

            "t" : NumberLong(1)

        },

        "lastWriteDate" : ISODate("2018-09-05T05:28:47Z"),

        "majorityOpTime" : {

            "ts" : Timestamp(1536125327, 1),

            "t" : NumberLong(1)

        },

        "majorityWriteDate" : ISODate("2018-09-05T05:28:47Z")

    },

    "maxBsonObjectSize" : 16777216,

    "maxMessageSizeBytes" : 48000000,

    "maxWriteBatchSize" : 100000,

    "localTime" : ISODate("2018-09-05T05:28:57.348Z"),

    "logicalSessionTimeoutMinutes" : 30,

    "minWireVersion" : 0,

    "maxWireVersion" : 7,

    "readOnly" : false,

    "ok" : 1,

    "operationTime" : Timestamp(1536125327, 1),

    "$clusterTime" : {

        "clusterTime" : Timestamp(1536125327, 1),

        "signature" : {

            "hash" : BinData(0,"DUnksVz3DkGjfXNiuFbVDPRjtgg="),

            "keyId" : NumberLong("6597607397777211393")

        }

    }}

现在副本集主从状态已经建立了,接下来就测试下数据能不能正常同步

测试同步

在主上插入一条数据

rs0:PRIMARY> use pay

switched to db pay

rs0:PRIMARY> db.pay.insert({"_id":"1"})WriteResult({ "nInserted" : 1 })

rs0:PRIMARY> 

然后在从节点上查看是否已同步

rs0:SECONDARY> use admin

switched to db admin

rs0:SECONDARY> db.auth('root','test123')

1

rs0:SECONDARY> show dbs;

2018-09-05T13:31:49.563+0800 E QUERY    [js] Error: listDatabases failed:{

    "operationTime" : Timestamp(1536125517, 1),

    "ok" : 0,

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

    "code" : 13435,

    "codeName" : "NotMasterNoSlaveOk",

    "$clusterTime" : {

        "clusterTime" : Timestamp(1536125517, 1),

        "signature" : {

            "hash" : BinData(0,"KIttQEB/e0mzlQvqPJzeLWZgREM="),

            "keyId" : NumberLong("6597607397777211393")

        }

    }} :

_getErrorWithCode@src/mongo/shell/utils.js:25:13

Mongo.prototype.getDBs@src/mongo/shell/mongo.js:67:1

shellHelper.show@src/mongo/shell/utils.js:876:19

shellHelper@src/mongo/shell/utils.js:766:15

@(shellhelp2):1:1

# 默认因为SECONDARY是不允许读写的,如果非要解决,方法如下:

rs0:SECONDARY> db.getMongo().setSlaveOk();

# 可以看到数据已经同步过来了

rs0:SECONDARY> show dbs;

admin           0.000GB

config          0.000GB

local           0.000GB

pay             0.000GB

rs0:SECONDARY>use pay

rs0:SECONDARY> db.pay.find().count()

1

rs0:SECONDARY> db.pay.find(){ "_id" : "1" }

三、mongodb配置xml文件

xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:mongo="http://www.springframework.org/schema/data/mongo"
       xsi:schemaLocation="http://www.springframework.org/schema/data/mongo http://www.springframework.org/schema/data/mongo/spring-mongo.xsd
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.2.xsd">


    <mongo:mongo-client id="mongofs" replica-set="${mongodb.host}:${mongodb.port},${mongodb.host2}:${mongodb.port}" credentials="${mongodb.user}:${mongodb.pwd}@${mongodb.defaultDbName}">
        <mongo:client-options connections-per-host="8"
                              threads-allowed-to-block-for-connection-multiplier="4"
                              connect-timeout="1000"
                              read-preference="primaryPreferred"
                              max-wait-time="1500"
                              socket-keep-alive="true"
                              socket-timeout="1500"
                              write-cOncern="NORMAL"/>
    mongo:mongo-client>
    <mongo:db-factory id="mongofsDbFactory" dbname="pay" mongo-ref="mongofs"/>
    <mongo:mapping-converter id="mongofsConverter" db-factory-ref="mongofsDbFactory"/>
    <bean id="gridFsTemplate" class="com.silverdata.smart.mongodb.gridfs.GenericGridFsTemplate">
        <constructor-arg ref="mongofsDbFactory"/>
        <constructor-arg ref="mongofsConverter"/>
    bean>
    
beans>


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