redis-集群创建脚本

之前建好了redis集群, 但没有找到集群重启的机制, 停电2次, 重新创建太麻烦, 于是写了个脚本辅助启动

redis的创建过程可以看: 

http://www.cnblogs.com/wenbronk/p/6864390.html
http://www.cnblogs.com/wenbronk/p/6865914.html

然后, 直接放在父目录下就可以了

[wenbronk@localhost redis1]$ cat redis-cluster.sh
#!/bin/bash
# create by wenbronk at 2017/7/17 
# redis集群管理脚本
PORTNUM=6
PASS_WD=bd86d2ab-08e5-4ae0-87ce-06cc021336d0
REDIS_HOME=/opt/wenbronk_soft/redis/redis1
HOST1=192.168.50.202
PORT1=7000
PORT2=7001
PORT3=7002
PORT4=7003
PORT5=7004
PORT6=7005
HOSTS=($HOST1 $HOST1 $HOST1 $HOST1 $HOST1 $HOST1)
PORTS=($PORT1 $PORT2 $PORT3 $PORT4 $PORT5 $PORT6)

BASE_DIR=(bin bin1 bin2 bin3 bin4 bin5)
declare -A HOST_GROUP

# clean
if [ "$1" == "clean" ]
then
    for direct in $REDIS_HOME/*
    do
        if [ -d "$direct" ]
        then
            echo $direct
            rm -rf $direct/dump*
            rm -rf $direct/nodes*
            rm -rf $direct/appendonly*
            sed -i '1{:a;N;'$n'!b a};$d;N;P;D' $direct/redis.conf

        fi
    done
exit 0
fi

#create
if [ "$1" == "create" ]
then
    for direct in $REDIS_HOME/*
    do 
        if [ -d "$direct" ]
        then
            $direct/redis-server $direct/redis.conf
            PORTNUM=$((PORTNUM-1))
            HOST_GROUP[$PORTNUM]=${HOSTS[$PORTNUM]}:${PORTS[$PORTNUM]}
        fi
    done
$REDIS_HOME/bin/redis-trib.rb  create  --replicas  1 ${HOST_GROUP[*]}
exit 0
fi

#auth
if [ "$1" == "auth" ]
then
    for direct in $REDIS_HOME/*
    do
        if [ -d "$direct" ];then
        PORTNUM=$PORTNUM-1
                $direct/redis-cli -c -h ${HOSTS[$PORTNUM]} -p ${PORTS[$PORTNUM]} config set masterauth $PASS_WD
                $direct/redis-cli -c -a $PASS_WD -h ${HOSTS[$PORTNUM]} -p ${PORTS[$PORTNUM]} config set requirepass $PASS_WD
                $direct/redis-cli -c -a $PASS_WD -h ${HOSTS[$PORTNUM]} -p ${PORTS[$PORTNUM]} auth $PASS_WD
                $direct/redis-cli -c -a $PASS_WD -h ${HOSTS[$PORTNUM]} -p ${PORTS[$PORTNUM]} config rewrite
#               $direct/redis-cli -c -h ${HOSTS[$PORTNUM]} -p ${PORTS[$PORTNUM]} exit
        fi
    done
exit 0
fi


#stop
if [ "$1" == "stop" ]
then
    pkill -9 redis
fi
exit 0

#help
if [ "$1" == "help" ]
then
    echo "stop|clean|create|auth"
fi
exit 0

由于没有找到和shell交互的方式, 创建的时候需要输入一个yes, 所以吧集群创建和密码设置分开了

执行时, stop->clean->create->auth 即可实现

然后集群的统一启动脚本

开始想用spawn, 但找了半天没找到怎么循环使用, 所以需要在每个机器侠有个start-this.sh用于本机的redis管理

#!/bin/bash
# create by wenbronk at 2017/7/17
# redis 集群管理脚本

PORTNUM=6
PASS_WD=bd86d2ab-08e5-4ae0-87ce-06cc021336d0
REDIS_HOME=/opt/redis
HOST1=redis-130
HOST2=redis-131
HOST3=redis-132
PORT1=20327
PORT2=20329

HOSTS=($HOST1 $HOST1 $HOST2 $HOST2 $HOST3 $HOST3)
PORTS=($PORT1 $PORT2 $PORT1 $PORT2 $PORT1 $PORT2)
BASEDIR=(bin-20327 bin-20329)
declare -A HOSTGROUP

case "$1" in

#clean
clean) 
    for (( i=0; i<${#HOSTS[@]}; i=i+2))
    do
        ssh root@${HOSTS[$i]} "sh $REDIS_HOME/start-this.sh clean"
    done
exit 0
;;

#create
create)
    for (( i=0; i<${#HOSTS[@]}; i=i+1))
    do 
        ssh root@${HOSTS[$i]} "sh $REDIS_HOME/start-this.sh create"
        HOSTGROUP[$i]=${HOSTS[$i]}:${PORTS[$i]}
        i=$((i+1))
        HOSTGROUP[$i]=${HOSTS[$i]}:${PORTS[$i]}
    done
$REDIS_HOME/bin/redis-trib.rb  create  --replicas  1 ${HOSTGROUP[*]}

;;

#auth
auth)
    for (( i=0; i<${#HOSTS[@]}; i=i+1))
    do
        echo connect to ${HOST[$i]} at ${PORTS[$i]} and change passwd
        $direct/redis-cli -c -h ${HOSTS[$i]} -p ${PORTS[$i]} config set masterauth $PASS_WD
                $direct/redis-cli -c -a $PASS_WD -h ${HOSTS[$i]} -p ${PORTS[$i]} config set requirepass $PASS_WD
                $direct/redis-cli -c -a $PASS_WD -h ${HOSTS[$i]} -p ${PORTS[$i]} auth $PASS_WD
                $direct/redis-cli -c -a $PASS_WD -h ${HOSTS[$i]} -p ${PORTS[$i]} config rewrite

    done    

exit 0
;;

#other
*)
echo "unsupport params!! please input stop|clean|create|auth as params_one"
exit 1
esac

start-this.sh

#!/bin/bash
# create by wenbronk at 2017/7/19
# redis cluster clean & create
REDIS_HOME=/opt/redis
HOSTIP=redis-130

case "$1" in
clean)
echo "connect to $HOSTIP"
        for direct in $REDIS_HOME/*
        do
                if [ -d "$direct" ];then
                        rm -rf $direct/dump*
                        echo "rm $direct/dump*"
                        rm -rf $direct/nodes*
                        echo "rm $direct/nodes*"
                        rm -rf $direct/appendonly*
                        echo "rm $direct/appendonly*"
                        sed -i '1{:a;N;'$n'!b a};$d;N;P;D' $direct/redis.conf
                        echo "sed last 2 line at $direct/redis.conf"
                fi
        done
echo "logout from $HOSTIP"
exit 0
;;


start)
echo "connect to $HOSTSIP"
        for direct in $REDIS_HOME/*
        do
        if [ -d "$direct" ];then
                echo "start redis $HOSTIP"
                $REDIS_HOME/redis-server.sh $REDIS_HOME/redis.conf
        fi
        done
echo "logout from $HOSTSIP"
exit 0
;;

esac

ps: 本脚本只用于redis集群的统一启动, 不用于搭建, 需要有预先搭建好的环境, 关于redis集群的搭建, 可以参考另一个博客: 

http://www.cnblogs.com/wenbronk/p/6864390.html