145 lines
4.2 KiB
Bash
145 lines
4.2 KiB
Bash
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#!/bin/bash
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###### 这个脚本用于安装多实例的 redis 必须已经安装了 redis-server 才能执行
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###### 只能修改 read_variables 里的参数
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function read_variables(){
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readonly redis_path="/usr/local/" # redis 安装路径
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readonly redis_name="redis-4.0.8" # redis 安装路径
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readonly port="$1" # 多实例的端口
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readonly password="admin202" # 密码
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}
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function build_variables(){
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readonly install_path="${redis_path}/$redis_name"
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readonly instance_name="redis_${port}"
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readonly instalce_service_name="/etc/init.d/redis_${port}"
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readonly instance_conf_name="redis_${port}.conf"
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readonly redis_server_path="${install_path}/src/redis-server"
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readonly redis_client_path="${install_path}/src/redis-cli"
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readonly backup_conf_name="redis_bak.conf"
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}
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function rEcho(){
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echo -e "\033[31m\033[01m$1\033[0m"
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}
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function check_env() {
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cd $install_path
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[ $? -ne 0 ] && rEcho "Error: [ Path Not Found ]! Exit " && exit
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########### workdir = redis/
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[ ! -f $redis_server_path ] && rEcho "Error: [ redis-server ] Not Found! Exit" && exit
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[ -f $instalce_service_name ] && rEcho "Error: [ service_name: redis_${port} ] Exist! Exit" && exit
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[ -f $instance_conf_name ] && rEcho "Error: [ conf: $instance_conf_name ] Exist! Exit" && exit
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[ ! -f $backup_conf_name ] && rEcho "Error: [ conf: $backup_conf_name ] Not Found! Exit" && exit
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}
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function do_install() {
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#### workdir = redis/
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cat $backup_conf_name | grep -vw "^#" | grep -vw ^$ > $instance_conf_name
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sed -i '/port/s/6379/'$port'/' $instance_conf_name
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sed -i '/dbfilename/s/dump/dump_'$port'/' $instance_conf_name
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sed -i '/dir/s%./%/%g' $instance_conf_name
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sed -i '/pidfile/s/6379/'$port'/g' $instance_conf_name
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echo "requirepass $password" >> $instance_conf_name
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cat << EOF > $instalce_service_name
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#!/bin/sh
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#
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# Simple Redis init.d script conceived to work on Linux systems
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# as it does use of the /proc filesystem.
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REDISPORT=${port}
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EXEC=${redis_server_path}
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AUTHEN=${password}
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PIDFILE=/var/run/redis_\${REDISPORT}.pid
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CONF=${install_path}/redis_\${REDISPORT}.conf
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if [ "\${AUTHEN}" == "" ]
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then
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CLIEXEC="${redis_client_path} -p \${REDISPORT}"
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else
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CLIEXEC="${redis_client_path} -a \${AUTHEN} -p \${REDISPORT}"
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fi
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case "\$1" in
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start)
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if [ -f \$PIDFILE ]
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then
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echo "\$PIDFILE exists, process is already running or crashed"
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else
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echo "Starting Redis server..."
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\$EXEC \$CONF &
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fi
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;;
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stop)
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if [ ! -f \$PIDFILE ]
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then
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echo "\$PIDFILE does not exist, process is not running"
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else
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PID=\$(cat \$PIDFILE)
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echo "Shutdown Redis? Y/N?"
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read -p "Answer: " choose
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if [ "\$choose" != "Y" ] && [ "\$choose" != "y" ]
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then
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echo -e "\\033[01mExit!\\033[0m" && exit
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fi
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echo "Stopping ..."
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\$CLIEXEC shutdown
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while [ -x /proc/\${PID} ]
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do
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echo "Waiting for Redis to shutdown ..."
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sleep 1
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done
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echo "Redis stopped"
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fi
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;;
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connect)
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\$CLIEXEC
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;;
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*)
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echo "Please use start or stop or connect as first argument"
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;;
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esac
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EOF
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chmod +x $instalce_service_name
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echo -en "\033[01m\033[32m"
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echo "Install [ Redis ${port} ] Success!"
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echo "$instalce_service_name start | service redis_${port} start: Start Redis Server"
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echo "$instalce_service_name stop | service redis_${port} stop: Stop Redis Server"
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echo -en "\033[0m"
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}
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function init_redis(){
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read_variables $2
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build_variables
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check_env
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do_install
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}
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function help1(){
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for i in {1..2} ; do echo ; done
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echo -e "\033[01mInstall Multiple Instances Redis "
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echo -e "$0 init [ Port ]"
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echo
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echo "ForExample: "
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echo -e "$0 init 18001 => Install [ 18001 ] Port Instance\033[0m"
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for i in {1..2}
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do
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echo
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done
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}
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if [ $# -eq 2 ]
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then
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[ "$1" != "init" ] && help1 && exit
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init_redis $@
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else
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help1
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fi
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