搭建副本集脚本

脚本

#! /bin/sh

# 使用方式：mongodb-rs-shard.sh  'hcmaster' 'rsh'
  
# 主机名称
host=$1
# 副本集名称rsh 
name=$2

###################################
baseDir=/usr/local/mongodb4.2.3

dataFolder=$baseDir/data
logsFolder=$baseDir/logs
confFolder=$baseDir/conf

logFile=$logsFolder/mongodb.log

###################################

# 生成配置文件
#$1  27107  
#$2  数据文件夹和配置文件序号
function writeConf(){
  ssh hc@$host "echo bind_ip=$host >> $confFolder/confFile$2.conf"
  ssh hc@$host "echo port=$1 >> $confFolder/confFile$2.conf"
  ssh hc@$host "echo dbpath=$dataFolder/d$2 >> $confFolder/confFile$2.conf"
  ssh hc@$host "echo logpath=/usr/local/mongodb4.2.3/logs/mongodb$2.log >> $confFolder/confFile$2.conf"
  ssh hc@$host "echo pidfilepath=/usr/local/mongodb4.2.3/mongodb$2.pid >> $confFolder/confFile$2.conf"
  ssh hc@$host "echo logappend=true >> $confFolder/confFile$2.conf"
  ssh hc@$host "echo fork=true >> $confFolder/confFile$2.conf"
  ssh hc@$host "echo maxConns=500 >> $confFolder/confFile$2.conf"
  ssh hc@$host "echo noauth=true >> $confFolder/confFile$2.conf"
  ssh hc@$host "echo replSet=$name >> $confFolder/confFile$2.conf" 
}

###################################
# 删除旧的文件夹和文件
echo 'delete old folder and files ...'
ssh hc@$host "rm -rf $dataFolder  $logsFolder $confFolder"

# 生成数据文件
echo 'create folder and files ...'
ssh hc@$host "mkdir -p $dataFolder/d1  $dataFolder/d2  $dataFolder/d3  $logsFolder $confFolder"

# 生成配置文件
echo 'create config file ....'
writeConf  '27017' '1'
writeConf  '27018' '2'
writeConf  '27019' '3'

# 启动MongoDB服务 
echo 'run mongod ...'
ssh hc@$host "/usr/local/mongodb4.2.3/bin/mongod -f $confFolder/confFile1.conf" 
ssh hc@$host "/usr/local/mongodb4.2.3/bin/mongod -f $confFolder/confFile2.conf" 
ssh hc@$host "/usr/local/mongodb4.2.3/bin/mongod -f $confFolder/confFile3.conf" 

echo 'initialize ...'
/usr/local/mongodb4.2.3/bin/mongo $host:27017