MongoDB一键安装（参数全部定制）

cat  init_MongoDB.sh

#!/bin/bash

export lang=C

export my_port=27019  

export my_dbpath=/opt/var/data/mongodb #数据存放目录

export my_logpath=/opt/var/logs/mongodb  #日志存放目录

export my_keyFile=mongodb.key  #集群中节点通信要用到keyfile

export my_pidfilepath=master.pid  #进程文件，方便停止mongodb

export my_directoryperdb=true  #为每一个数据库按照数据库名建立独立目录存放

export my_logappend=true  #以追加的方式记录日志

export my_replSet=RS1 #replica set的名字

export my_bind_ip=0.0.0.0 #mongodb所绑定的ip地址

export my_port=27019 #mongodb进程所使用的端口号，默认为27017

export my_oplogSize=1000  #mongodb操作日志文件的最大大小。单位为Mb，默认为硬盘剩余空间的5%

export my_fork=true #是否后台方式运行进程

export my_maxConns=20000 #最大连接数

echo '#1.关闭本地的MongoDB'

ps -ef |grep mongodb

#service mongodb stop

echo '#2.清空本地MongoDB的安装文件'

rm -rf /opt/server/*

rm -rf /opt/var/data/*

#rm -rf /opt/var/log/

echo '#3.创建MongoDB的介质存放目录、安装目录'

mkdir -p /opt/soft/

mkdir -p /opt/server/

mkdir -p /opt/var/data/mongodb/

mkdir -p /opt/var/logs/mongodb/

echo '#4.拷贝安装介质'

mv /softwares/mongodb-linux-x86_64-rhel62-4.0.0.tgz /opt/soft/

cd /opt/soft/

ls

echo '#5.解包该介质'

tar  zxvf mongodb-linux-x86_64-rhel62-4.0.0.tgz

echo '#6.把解包文件移动至安装目录'

mv mongodb-linux-x86_64-rhel62-4.0.0 /opt/server/mongodb

echo '#7.修改并刷新本地的profile文件'

cat <<EOF >/etc/profile  

export PATH=$PATH:/opt/server/mongodb/bin

EOF

source /etc/profile

echo '#8.生成本地的key file文件，授权600'

openssl rand -base64 100 > /opt/var/data/mongodb/mongodb.key

chmod 600 /opt/var/data/mongodb/mongodb.key

echo '#9.修改MongoDB的初始化参数文件'

dd if=/dev/zero of=/opt/server/mongodb/mongodb.conf count=0

cat   <<EOF > /opt/server/mongodb/mongodb.conf

dbpath=$my_dbpath

logpath=$my_logpath/alert_mongodb.log

pidfilepath=$my_dbpath/$my_pidfilepath

keyFile=$my_dbpath/$my_keyFile

directoryperdb=$my_directoryperdb

logappend=$my_logappend

#replSet=RS1

bind_ip=$my_bind_ip

port=$my_port

#auth=true

oplogSize=$my_oplogSize

fork=$my_fork

noprealloc=$my_noprealloc

maxConns=$my_maxConns

EOF

echo '#10.修改MongoDB的启动脚本，并授于 执行的权限'

cat   <<EOF > /etc/rc.d/init.d/mongodb

#!/bin/sh

# chkconfig: - 64 36

# description:mongod

case $1 in

start)

/opt/server/mongodb/bin/mongod -f /opt/server/mongodb/mongodb.conf

;;

stop)

/opt/server/mongodb/bin/mongo 127.0.0.1:$my_port/admin --eval "db.shutdownServer()"

;;

status)

/opt/server/mongodb/bin/mongo 127.0.0.1:$my_port/admin --eval "db.stats()"

;;

esac

EOF

chmod +x /etc/rc.d/init.d/mongodb

echo '#11.启动MongoDB'

service mongodb start

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

#forked process: 2556

#child process started successfully, parent exiting

mongo 127.0.0.1:$my_port <<EOF

use admin;

db.createUser(

  { user: "root",

    pwd: "root",

    roles: [ { role: "root", db: "admin" } ]

  }

);

db.auth("root","root");

show dbs;

show users;

EOF

ps -ef |grep mongodb

#db.shutdownServer();