日常運維中的一鍵安裝或啟停腳本

本文轉載自查看原文 2016-11-21 18:12 2844 Tomcat/ Shell

在日常運維中，我們通常會利用shell的"function函數+if邏輯判斷+case選擇語句"來實現中間件服務一鍵部署或一鍵啟停。下面分享幾個常用運維的一鍵腳本：

一、Tomcat一鍵啟停服務腳本 [如有多個tomcat實例，就在/etc/init.d/下配置多個針對每個tomcat端口的啟停腳本。下面為tomcat_8080腳本文件]

#!/bin/bash
#chkconfig: 345 99 10
#description: Auto-starts tomcat
# /etc/init.d/tomcatd
# Tomcat auto-start
  
# Source function library.
source /etc/init.d/functions
# source networking configuration.
#. /etc/sysconfig/network
 
RETVAL=0
project_tomcat=tomcat_8080
#這里的tomcat采用結尾以端口號方式命令。即tomcat_port
#如果本機由多個tomcat示例，則這種結尾以端口號命名的方式比較好，
  
#執行"echo $JAVA_HOME"可以查看到本機JAVA主目錄路徑
export JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.232.b09-0.el7_7.x86_64/
  
export CATALINA_HOME=/usr/local/${project_tomcat}
#export CATALINA_BASE=/usr/local/${project_tomcat}   
 
#(centos7系統)重新加載服務配置文件。只有當該腳本被修改的時候需要執行該項，可以不配置。
systemctl daemon-reload
#TOMCATUSER=tomcat
start()
{
        if [ -f ${CATALINA_HOME}/bin/startup.sh ];
          then
            echo $"Starting Tomcat"
            #這里tomcat使用root啟動的，如果不是root用戶啟動的，這里就修改下用戶。
            if [ root = `whoami` ];
              then
                ${CATALINA_HOME}/bin/startup.sh
              else
                su - root -c "${CATALINA_HOME}/bin/startup.sh"
            fi
            RETVAL=$?
            echo " OK"
            return ${RETVAL}
        fi
}
stop()
{
        if [ -f ${CATALINA_HOME}/bin/shutdown.sh ];
          then
            echo $"Stopping Tomcat"
            ${CATALINA_HOME}/bin/shutdown.sh
            RETVAL=$?
            sleep 1
            #ps -ef|grep $project_tomcat|egrep -v 'grep|init'|awk '{print$2}'|xargs kill -9
            #egrep -v "grep|init" 的過濾效果等同於 grep -v "grep\|init"
            ps -ef|grep ${project_tomcat}|egrep -v 'grep|init' | grep ${CATALINA_HOME}|awk '{print $2}'|xargs kill -9
            #下面可根據自己tomcat日志的實際路徑進行更改
            mv ${CATALINA_HOME}/logs/catalina.out ${CATALINA_HOME}/logs/catalina.out_`date '+%Y%m%d_%H_%M_%S'`
            find ${CATALINA_HOME}/logs/ -mtime +10 -exec rm -rf {} \;
            echo " OK"
            # [ $RETVAL -eq 0 ] && rm -f /var/lock/...
            return ${RETVAL}
        fi
}
status()
{
#這里tomcat實例名結尾是以端口號命名的。如果實例名中沒有顯示端口號，則取tomcat端口號如下：
#port=$(cat ${CATALINA_HOME}/conf/server.xml |grep -w 'URIEncoding="UTF-8"'|awk '{print $2}'|cut -d"=" -f2|cut -d"\"" -f2)
port=$(echo ${project_tomcat}|awk -F _ '{print$2}')
#打印"lsof -i:port"結果中第二行的第二列,即是該端口所屬服務的pid
pid=$(`which lsof` -i:$port|awk 'NR==2{print$2}')
if [ -z $pid ]    #判斷${pid}字符串是否為空串，空串為真。
        then
        #使用下面echo方式會將打印內容標紅！
        echo -e "\033[40;31m${project_tomcat} is stopped\033[0m"
        else
        echo ${project_tomcat} is running
        fi
}
case "$1" in
start)
        start
        ;;
stop)
        stop
        ;;
restart)
         echo $"Restaring Tomcat"
         stop
         sleep 1
         start
         ;;
status)
        status
        ;;
*)
        echo $"Usage: $0 {start|stop|restart|status}"
        exit 1
        ;;
esac
exit ${RETVAL}

執行腳本:
[root@localhost ~]# /etc/init.d/tomcat_8080 
Usage: /etc/init.d/tomcat_8080 {start|stop|restart|status}

[root@localhost ~]# chmod 755 /etc/init.d/tomcat_8080
 
[root@localhost ~]# /etc/init.d/tomcat_8080 restart
Restarting tomcat_8080 (via systemctl):                    [  OK  ]
 
[root@localhost ~]# /etc/init.d/tomcat_8080 status
tomcat_8080 is running
 
[root@localhost ~]# /etc/init.d/tomcat_8080 stop
Stopping tomcat_8080 (via systemctl):                      [  OK  ]
 
[root@localhost ~]# /etc/init.d/tomcat_8080 status
tomcat_8080 is stopped
 
[root@localhost ~]# /etc/init.d/tomcat_8080 start
Starting tomcat_8080 (via systemctl):                      [  OK  ]
 
[root@localhost ~]# /etc/init.d/tomcat_8080 status
tomcat_8080 is running

二、Zookeeper集群環境一鍵部署腳本 [生產環境中推薦使用該腳本]

[root@bobo zookeeper]# cat install_zookeeper.sh
#!/bin/bash
  
source /etc/profile
java -version
if [ "$?" -ne 0 ]; then
  echo "JDK未安裝，請先安裝JDK"
  exit 1
fi
while getopts "a:b:n:l:c:f:m:h" opts
do
        case $opts in
                a)
                        #APP_NAME:項目編碼
                        APP_NAME=$OPTARG
                        ;;
                b)
                        #MODULE_NAME:模塊名稱
                        MODULE_NAME=$OPTARG
                        ;;
                n)
                        #ZK_SRVNUM:ZOOKEEPER數量
                        ZK_SRVNUM=$OPTARG
                        ;;
                l)
                        #ZK_IPLIST:ZOOKEEPER服務器IP地址列表
                        ZK_IPLIST=$OPTARG
                        ;;
                c)
                        #ZKCLIENT_PORT:客戶端訪問 zookeeper 的端口號
                        ZKCLIENT_PORT=$OPTARG
                        ;;
                f)
                        #ZKLEADER_PORT:ZOOKEEPER的F和L通信端口號
                        ZKLEADER_PORT=$OPTARG
                        ;;
                m)
                        #ZKCOM_PORT:ZOOKEEPER選舉端口號
                        ZKCOM_PORT=$OPTARG
                        ;;
                h)
                        echo -e "OPTIONS:\n-a:項目編碼（必選）\n-b:模塊名稱（可選，默認為空）\n-n:ZooKeeper服務器數量（可選，默認為3）"
                        echo -e "-l:ZooKeeper服務器IP地址列表（必選,IP地址以英文逗號分隔）"
                        echo -e "-c:Client-Port（可選，默認為2181,多個端口以英文逗號分隔,且與IP地址一一對應）"
                        echo -e "-f:ZooKeeper的F和L通信端口號(可選，默認為2888,多個端口以英文逗號分隔,且與IP地址一一對應）"
                        echo -e "-m:ZooKeeper選舉端口號（可選，默認為3888,多個端口以英文逗號分隔,且與IP地址一一對應）"
                        exit 1
                        ;;
                ?)
                        echo "missing  options,pls check!"
                        exit 1
                        ;;
        esac
done
#可選參數賦值
ZK_SRVNUM=${ZK_SRVNUM:-3}
ZKCLIENT_PORT=${ZKCLIENT_PORT:-2181}
ZKLEADER_PORT=${ZKLEADER_PORT:-2888}
ZKCOM_PORT=${ZKCOM_PORT:-3888}
#定義公共變量
#zookeep安裝包存放位置
ZKSAVDIR="/usr/local/src/zookeeper"
#zookeeper安裝包名（不帶擴展名）
ZKNAME="zookeeper-3.4.8"
#必選參數存在性及參數合法性判斷
#if [ -z ${APP_NAME} ]||[ -z ${MODULE_NAME} ]||[ -z ${ZK_IPLIST} ];then
if [ -z ${APP_NAME} ]||[ -z ${ZK_IPLIST} ];then
        echo "Missing options,exit"
        exit 1
elif [ ${ZK_SRVNUM} -ne 1 ]&&[ ${ZK_SRVNUM} -ne 3 ]&&[ ${ZK_SRVNUM} -ne 5 ];then
        echo "Wrong server num,exit"
        exit 1
fi
IPLIST_NUM=`echo ${ZK_IPLIST}|awk -F"," '{print NF}'`
if [ ${ZK_SRVNUM} -ne ${IPLIST_NUM} ];then
        echo "IP list and server num do not match,exit"
        exit 1
fi
APP_NAME=`echo ${APP_NAME} | tr '[A-Z]' '[a-z]'`
#多個端口時判斷端口數與IP地址數量是否一致
CPORT_NUM=`echo ${ZKCLIENT_PORT}|awk -F"," '{print NF}'`
LPORT_NUM=`echo ${ZKLEADER_PORT}|awk -F"," '{print NF}'`
EPORT_NUM=`echo ${ZKCOM_PORT}|awk -F"," '{print NF}'`
if [ ${CPORT_NUM} -gt 1 ];then
        if [ ${IPLIST_NUM} -ne ${CPORT_NUM} ]||[ ${IPLIST_NUM} -ne ${LPORT_NUM} ]||[ ${IPLIST_NUM} -ne ${EPORT_NUM} ];then
                echo "IP list and Port list number do not match,exit"
                exit 1
        fi
#獲取IP地址和端口對應關系
        rm -f /home/workapp/zkinfo.cfg
        for ((i=1;i<=${ZK_SRVNUM};i++)); do
                eval IP_$i='`echo ${ZK_IPLIST}|awk -F, "{ print $"$i" }"`'
                eval PORT_$i='`echo ${ZKCLIENT_PORT}|awk -F, "{ print $"$i" }"`'
                eval LPORT_$i='`echo ${ZKLEADER_PORT}|awk -F, "{ print $"$i" }"`'
                eval EPORT_$i='`echo ${ZKCOM_PORT}|awk -F, "{ print $"$i" }"`'
#               eval echo "server.${i}=\$IP_$i:${ZKLEADER_PORT}:${ZKCOM_PORT}">>${ZKHOME}/conf/zoo.cfg
#               eval IPTMP=\$IP_$i
                eval PORTTMP=\$PORT_$i
#zookeeper HOME路徑
                [ -z ${MODULE_NAME} ]&&eval ZKHOME="/opt/${APP_NAME}/zookeeper_\$PORT_$i"||eval ZKHOME="/opt/${APP_NAME}/zookeeper_${MODULE_NAME}_\$PORT_$i"
#zookeeper日志存儲路徑
                [ -z ${MODULE_NAME} ]&&eval DATA_LOGDIR="/var/log/${APP_NAME}/zookeeper_\$PORT_$i"||eval DATA_LOGDIR="/var/log/${APP_NAME}/zookeeper_${MODULE_NAME}_\$PORT_$i"
#zookeeper數據存儲路徑
                DATA_DIR="${ZKHOME}/data"
#生成參數列表
                eval echo "$i,\$IP_$i,\$PORT_$i,\$LPORT_$i,\$EPORT_$i,${ZKHOME},${DATA_LOGDIR},${DATA_DIR}">>/home/workapp/zkinfo.cfg
        done
        cat /home/workapp/zkinfo.cfg
else
#zookeeper HOME路徑
        [ -z ${MODULE_NAME} ]&&ZKHOME="/opt/${APP_NAME}/zookeeper"||ZKHOME="/opt/${APP_NAME}/zookeeper_${MODULE_NAME}"
        echo "ZKHOME is ${ZKHOME}"
#zookeeper日志存儲路徑
        [ -z ${MODULE_NAME} ]&&DATA_LOGDIR="/var/log/${APP_NAME}/zookeeper"||DATA_LOGDIR="/var/log/${APP_NAME}/zookeeper_${MODULE_NAME}"
        echo "ZK log dir is ${DATA_LOGDIR}"
#zookeeper數據存儲路徑
        DATA_DIR="${ZKHOME}/data"
        echo "ZK data dir is ${DATA_DIR}"
fi
#安裝日志
INSTALL_LOG="/home/workapp/zookeeperinstall.log"
#打印變量值
echo "APP_NAME is ${APP_NAME}"|tee -a ${INSTALL_LOG}
echo "MODULE_NAME is ${MODULE_NAME}"|tee -a ${INSTALL_LOG}
echo "ZK_Server_num is ${ZK_SRVNUM}"|tee -a ${INSTALL_LOG}
echo "ZK_Server IP is ${ZK_IPLIST}"|tee -a ${INSTALL_LOG}
echo "ZK_Client Port is ${ZKCLIENT_PORT}"|tee -a ${INSTALL_LOG}
echo "ZK_Leader Port is $ZKLEADER_PORT"|tee -a ${INSTALL_LOG}
echo "ZK_COM Port is ${ZKCOM_PORT}"|tee -a ${INSTALL_LOG}
#獲取本機IP地址
HOST_IP=`ip a|grep global|awk '{print $2}'|awk -F"/" '{print $1}'`
echo "Local IP is ${HOST_IP}"|tee -a ${INSTALL_LOG}
#安裝包MD5校驗
md5Now=`md5sum ${ZKSAVDIR}/${ZKNAME}.tar.gz|awk '{print $1}'`
md5Save=`cat ${ZKSAVDIR}/${ZKNAME}.tar.gz.md5`
if [ "${md5Now}" != "${md5Save}" ];then
    echo "MD5 check Failed!"|tee -a ${INSTALL_LOG}
    echo "the md5 now is ${md5Now}"|tee -a ${INSTALL_LOG}
    echo "the md5 saved is ${md5Save}"|tee -a ${INSTALL_LOG}
    exit 1
else
    echo "MD5 check success!"|tee -a ${INSTALL_LOG}
fi
#安裝zookeeper
function Install_zk {
        echo "=================`date '+%Y%m%d %H:%M:%S'`Start Install ZooKeeper....==============="|tee -a ${INSTALL_LOG}
        #解壓縮安裝包至項目編碼安裝路徑
        if [ ! -e /opt/${APP_NAME}/ ]; then
                mkdir -p /opt/${APP_NAME}
        fi
        tar -xzf ${ZKSAVDIR}/${ZKNAME}.tar.gz -C /opt/${APP_NAME}/
        mv /opt/${APP_NAME}/${ZKNAME} ${ZKHOME}
        mkdir -p ${DATA_DIR}
        mkdir -p ${DATA_LOGDIR}
        cp ${ZKHOME}/conf/zoo_sample.cfg ${ZKHOME}/conf/zoo.cfg
        #客戶化zoo.cfg配置
        sed -i "s/clientPort=2181/clientPort=${ZKCLIENT_PORT}/g" ${ZKHOME}/conf/zoo.cfg
        sed -i "s#dataDir=/tmp/zookeeper#dataDir=${DATA_DIR}#g" ${ZKHOME}/conf/zoo.cfg
        sed -i "/dataLogDir/s/^/#/" ${ZKHOME}/conf/zoo.cfg
        echo "dataLogDir=${DATA_LOGDIR}" >>${ZKHOME}/conf/zoo.cfg
        #修改zookeeper-env.sh,指定運行日志zookeeper.log路徑
        sed -i "s#/var/log/zookeeper#${DATA_LOGDIR}#g" ${ZKHOME}/conf/zookeeper-env.sh
        #修改java.env,設置jvm參數,指定gc日志路徑
        sed -i "s#/var/log/zookeeper#${DATA_LOGDIR}#g" ${ZKHOME}/conf/java.env
#服務器數量為3個或5個為集群模式
        if [ ${ZK_SRVNUM} -eq 3 ]||[ ${ZK_SRVNUM} -eq 5 ];then
#根據端口數量判斷安裝方式
                if [ ${CPORT_NUM} -eq 1 ];then
#拆分IP地址列表，獲取本機ZK_ID
                        for ((i=1;i<=${ZK_SRVNUM};i++));do
                                eval IP_$i='`echo ${ZK_IPLIST}|awk -F, "{ print $"$i" }"`'
#                       eval echo \$IP_$i
                                eval IPTMP=\$IP_$i
                                eval echo "server.${i}=\$IP_$i:${ZKLEADER_PORT}:${ZKCOM_PORT}">>${ZKHOME}/conf/zoo.cfg
                                if [ "$HOST_IP" == "$IPTMP" ];then
#當列表中的IP地址等於本機地址時，獲取當前i值作為ID
                                        ZK_ID=${i}
                                else
                                        continue
                                fi
                        done
                else
                                ZK_ID=${NUM}
                                while read ZK_INFO;do
                                         echo ${ZK_INFO}|awk -F, '{print "server."$1"="$2":"$4":"$5}'>>${ZKHOME}/conf/zoo.cfg
                                done</home/workapp/zkinfo.cfg
                fi
        #客戶化myid
                echo "${ZK_ID}" >${DATA_DIR}/myid
                echo "zookeeper ID is ${ZK_ID}"|tee -a ${INSTALL_LOG}
        fi
        chown -R workapp:workapp ${ZKHOME}
        chown -R workapp:workapp ${DATA_LOGDIR}
        cat ${ZKHOME}/conf/zoo.cfg
}
function Check_install {
        retval=$?
        if [ $retval -eq 0 ];then
                echo "`date '+%Y%m%d %H:%M:%S'` zookeeper install SUCCESS!|${APP_NAME} ${MODULE_NAME} ${HOST_IP} ${ZKCLIENT_PORT} ${ZK_ID}|0"|tee -a ${INSTALL_LOG}
        else
                echo "`date '+%Y%m%d %H:%M:%S'` zookeeper install FAILED!|${APP_NAME} ${MODULE_NAME} ${HOST_IP} ${ZKCLIENT_PORT} ${ZK_ID}|1"|tee -a ${INSTALL_LOG}
        fi
}
function Start_check {
        su - workapp -c "sh ${ZKHOME}/bin/zkServer.sh start"
        sleep 10
        su - workapp -c "sh ${ZKHOME}/bin/zkServer.sh status"
        netstat -anp|grep ${ZKCLIENT_PORT}
}
#根據端口數量判斷安裝方式，1個端口為standalone或集群模式，正常安裝；
if [ ${CPORT_NUM} -eq 1 ];then
        Install_zk
        Check_install
        Start_check
else
#多個端口為偽集群模式，讀取zkinfo.cfg文件
        while read ZK_INFO;do
                NUM=`echo ${ZK_INFO}|awk -F, '{print $1}'`
                IP=`echo ${ZK_INFO}|awk -F, '{print $2}'`
                ZKCLIENT_PORT=`echo ${ZK_INFO}|awk -F, '{print $3}'`
                ZKHOME=`echo ${ZK_INFO}|awk -F, '{print $6}'`
                DATA_LOGDIR=`echo ${ZK_INFO}|awk -F, '{print $7}'`
                DATA_DIR=`echo ${ZK_INFO}|awk -F, '{print $8}'`
                if [ "$IP" == "$HOST_IP" ];then
                        Install_zk
                        Check_install
                        Start_check
                else
                        continue
                fi
        done</home/workapp/zkinfo.cfg
fi
rm -f /home/workapp/zkinfo.cfg

查看腳本幫助信息

install_zookeeper.sh腳本用於一鍵安裝zookeeper，支持單實例部署或者3台/5台服務器集群
 
執行方式：
bash install_zookeeper.sh -a [option] [-b option] -l [option] [-n option] [-c option] [-f option] [-m option]
 
參數說明：
通過"bash install_zookeeper.sh -h" 命令可以顯示參數說明
OPTIONS:
-a:項目編碼（必選）
-b:模塊名稱（可選，默認為空）
-n:ZooKeeper服務器數量（可選，默認為3）
-l:ZooKeeper服務器IP地址列表（必選，格式為以英文逗號[,]分隔的IP地址，如為standalone模式，填寫一個IP地址，如為偽集群模式，需填寫三個IP地址且與端口號一一對應）
-c:Client-Port（可選，默認為2181,如有多個端口，需與IP地址列表一一對應，格式為以英文逗號[,]分隔）
-f:ZooKeeper的Follower和Leader間通信端口號(可選，默認為2888，如有多個端口，需與IP地址列表一一對應，格式為以英文逗號[,]分隔）
-m:ZooKeeper選舉端口號（可選，默認為3888，如有多個端口，需與IP地址列表一一對應，格式為以英文逗號[,]分隔）
 
================================================================================================
[root@bobo zookeeper]# bash install_zookeeper.sh -h
java version "1.8.0_51"
Java(TM) SE Runtime Environment (build 1.8.0_51-b16)
Java HotSpot(TM) 64-Bit Server VM (build 25.51-b03, mixed mode)
OPTIONS:
-a:項目編碼（必選）
-b:模塊名稱（可選，默認為空）
-n:ZooKeeper服務器數量（可選，默認為3）
-l:ZooKeeper服務器IP地址列表（必選,IP地址以英文逗號分隔）
-c:Client-Port（可選，默認為2181,多個端口以英文逗號分隔,且與IP地址一一對應）
-f:ZooKeeper的F和L通信端口號(可選，默認為2888,多個端口以英文逗號分隔,且與IP地址一一對應）
-m:ZooKeeper選舉端口號（可選，默認為3888,多個端口以英文逗號分隔,且與IP地址一一對應）

舉例說明（可以通過該腳本部署如下四個場景的zookeeper服務環境，安裝后zookeeper服務默認啟動）

[root@bobo zookeeper]# pwd
/usr/local/src/zookeeper
[root@bobo zookeeper]# ll
total 21760
-rwxr-xr-x 1 root root    10711 Nov 13 16:45 install_zookeeper.sh
-rw-r--r-- 1 root root 22264081 Jun 12 15:44 zookeeper-3.4.8.tar.gz
-rw-r--r-- 1 root root       33 Nov 13 16:46 zookeeper-3.4.8.tar.gz.md5
     
[root@bobo zookeeper]# md5sum zookeeper-3.4.8.tar.gz
81adbad1f9f2f3c1061f19c26bff9ce4  zookeeper-3.4.8.tar.gz
   
[root@bobo zookeeper]# cat zookeeper-3.4.8.tar.gz.md5
81adbad1f9f2f3c1061f19c26bff9ce4
     
該腳本執行的前提是：
1. 腳本中已經定義了zookeep安裝包存放位置和安裝包名，這些要提前准備好
#zookeep安裝包存放位置
ZKSAVDIR="/usr/local/src/zookeeper"
#zookeeper安裝包名（不帶擴展名）
ZKNAME="zookeeper-3.4.8"
    
zookeeper的安裝包要和部署腳本在同一個目錄路徑下（比如這里都放在腳本定義的/usr/local/src/zookeeper目錄下）
檢查zookeeper的tar包的md5值，這里是zookeeper-3.4.8.tar.gz.md5
    
2. webapp用戶要存在（這個可以根據自己機器的實際情況進行修改）
    
     
======================================================================================================================
舉例如下：
     
1）在172.16.60.210,172.16.60.211,172.16.60.212 三台服務器上為項目編碼為test的應用安裝zookeeper，端口默認。（三台機器上都執行下面命令）
[root@bobo zookeeper]# bash install_zookeeper.sh -a test -l "172.16.60.210,172.16.60.211,172.16.60.212"
      
2）在172.16.60.210,172.16.60.211,172.16.60.212，172.16.60.213,172.16.60.214五台服務器上為項目編碼為ketest的kemodu模塊安裝zookeeper，Client端口為3000。（五台機器上都執行下面命令）
[root@bobo zookeeper]# bash install_zookeeper.sh -a ketest -b kemodu -n 5 -l "172.16.60.210,172.16.60.211,172.16.60.212,172.16.60.213,172.16.60.214" -c 3000
      
3）在172.16.60.210上為項目編碼為test的應用安裝zookeeper，模式為standalone，端口為22281。（172.16.60.210機器上執行下面命令）
[root@bobo zookeeper]# bash install_zookeeper.sh -a test -n 1 -l "172.16.60.210" -c 22281
      
4）在172.16.60.210上為項目編碼為test的應用安裝zookeeper偽集群，客戶端口為2181,2281,2381, 通信端口為2188,2288,2388，選舉端口為3181,3281,3381。（172.16.60.210機器上執行下面命令）
[root@bobo zookeeper]# bash install_zookeeper.sh -a test -n 3 -l "172.16.60.210,172.16.60.210,172.16.60.210" -c"2181,2281,2381" -f "2188,2288,2388" -m "3181,3281,3381"
      
=======================================================================================================================
   
注意：
1. 在單台機器上部署偽靜態集群時，參數要寫全，即-a、-n、-l、-c、-f、-m都要在命令中寫上，否則會報錯如下：
"IP list and server num do not match,exit"！！
   
2. 如果部署后發現zookeeper服務沒有起來，可以查看日志，日志路徑在zoo.cfg文件里配置。如下：
   
[root@bobo conf]# cat zoo.cfg |grep dataLogDir
dataLogDir=/var/log/test/zookeeper_2181
   
[root@bobo conf]# cat /var/log/test/zookeeper_2181/zookeeper.out
Unrecognized VM option 'MetaspaceSize=256m'
Could not create the Java virtual machine.
   
有上面日志可以看出，zookeeper一鍵安裝后，服務沒有起來的原因是：jdk版本問題
將當前jdk版本調整到jdk1.8即可！
   
解決辦法：
[root@bobo conf]# java -version
java version "1.6.0_41"
OpenJDK Runtime Environment (IcedTea6 1.13.13) (rhel-1.13.13.1.el7_3-x86_64)
OpenJDK 64-Bit Server VM (build 23.41-b41, mixed mode)
   
[root@bobo conf]# rpm -qa|grep jdk
java-1.6.0-openjdk-1.6.0.41-1.13.13.1.el7_3.x86_64
java-1.6.0-openjdk-demo-1.6.0.41-1.13.13.1.el7_3.x86_64
java-1.6.0-openjdk-devel-1.6.0.41-1.13.13.1.el7_3.x86_64
java-1.6.0-openjdk-javadoc-1.6.0.41-1.13.13.1.el7_3.x86_64
java-1.6.0-openjdk-src-1.6.0.41-1.13.13.1.el7_3.x86_64
   
[root@bobo conf]# yum -y remove java-1.6.0-openjdk*
[root@bobo conf]# yum -y remove tzdata-java.noarch
   
[root@bobo conf]# java -version
-bash: /usr/bin/java: No such file or directory
   
[root@bobo conf]# yum -y install java-1.8.0-openjdk*
   
[root@bobo conf]# java -version
openjdk version "1.8.0_232"
OpenJDK Runtime Environment (build 1.8.0_232-b09)
OpenJDK 64-Bit Server VM (build 25.232-b09, mixed mode)
   
再次啟動zookeeper服務就OK了！

三、集成多個中間件服務的一鍵部署腳本 [這里只列舉了nginx、apache和mysql一鍵部署，如有其他中間件部署需求，可自行添加進去]

#!/bin/bash 
# Date: 2018-09-08
# Mail: kevin@163.com
# Founder: kevin 
# Describe: This is a one - button installation service script  
function CDAN(){ 
cat << One_button_install 
+------------------------------------------------+ 
|                                                |
|    _o0o_        1. 安裝Nginx                   | 
|    08880        2. 安裝Apache                  |  
|    88"."88      3. 安裝MySQL                   | 
|    (|-_-|)      4. 安裝PHP                     | 
|    0\=/0        5. 部署LNMP環境                | 
|   __/  \__      6. 安裝zabbix監控              | 
|   ‘\  ///‘      7. 退出此管理程序              | 
|  / Linux一鍵 \  8. 關閉計算機                  | 
| ||  Server  || ================================|  
| \    ////       一鍵安裝服務                   | 
|  ||| i i i  ||| by Kevin                       | 
|  ___    ___    ================================| 
|___‘. /--.--\ .‘___                             | 
+------------------------------------------------+ 
One_button_install
} 
CDAN 

source /etc/init.d/functions
BASE_DIR=/usr/local/src
read -p "請您輸入1-8任意字符:" NUM 
expr $NUM + 1 >/dev/null 2>&1 
if [ "$?" -ne 0 ] 
 then
  echo "請您輸入{1|2|3|4|5|6|7|8}"
  exit 1 
fi
  
function Nginx_server (){ 
  echo "開始安裝Nginx，請喝杯咖啡，耐心等待一段時間...."
  yum install -y gcc gcc-c++ pcre-devel zlib-devel openssl-devel >/dev/null 2>&1 
  cd $BASE_DIR 
  wget http://nginx.org/download/nginx-1.12.2.tar.gz >/dev/null 2>&1  
  useradd -M -s /sbin/nologin nginx 
  tar -zvxf nginx-1.12.2.tar.gz >/dev/null 2>&1
  cd $BASE_DIR/nginx-1.12.2/ 
  ./configure --prefix=/usr/local/nginx --with-http_dav_module --with-http_stub_status_module --with-http_addition_module --with-http_sub_module --with-http_flv_module --with-http_mp4_module --with-pcre --with-http_ssl_module --with-http_gzip_static_module --user=nginx --group=nginx >/dev/null 2>&1 
  
  if [ "$?" -eq 0 ];then
    make && make install >/dev/null 2>&1 
  fi

  if [ -f /usr/local/nginx/sbin/nginx ];then
    ln -s /usr/local/nginx/sbin/nginx /usr/local/sbin 
    /usr/local/nginx/sbin/nginx
    echo "恭喜您! Nginx安裝成功！"
  fi
} 
        
function Apache_server (){ 
  echo "開始安裝Apache，請喝杯咖啡，耐心等待一段時間...."
  yum install httpd -y >/dev/null 2>&1 
  if [ "$?" -eq 0 ] 
   then 
    echo "恭喜您! Apache安裝成功！"
   else
    echo "很抱歉, Apache安裝失敗! 請仔細檢查安裝腳本，可能有點問題."
  fi
} 

function Mysql_server (){ 
    echo "開始安裝Mysql，請喝杯咖啡，耐心等待一段時間...."
    rpm -e $(/bin/rpm -qa | grep mysql|xargs) --nodeps >/dev/null 2>&1
    rpm -e $(/bin/rpm -qa | grep mariadb|xargs) --nodeps >/dev/null 2>&1

    yum -y install make gcc-c++ cmake bison-devel ncurses-devel >/dev/null 2>&1
    mkdir -p /usr/local/boost && cd /usr/local/boost
    wget http://www.sourceforge.net/projects/boost/files/boost/1.59.0/boost_1_59_0.tar.gz >/dev/null 2>&1
    tar -zvxf boost_1_59_0.tar.gz >/dev/null 2>&1

    /usr/sbin/groupadd mysql
    /usr/sbin/useradd -g mysql mysql -M -s /sbin/nologin
    mkdir -p /data/mysql/data

    cd $BASE_DIR
    wget -c http://ftp.ntu.edu.tw/MySQL/Downloads/MySQL-5.7/mysql-5.7.28.tar.gz >/dev/null 2>&1
    tar -zxvf mysql-5.7.28.tar.gz >/dev/null 2>&1
    cd mysql-5.7.28/
    #mysql安裝目錄和數據目錄最好分開,配置文件為/usr/local/mysql/my.cnf
    cmake -DCMAKE_INSTALL_PREFIX=/usr/local/mysql -DMYSQL_DATADIR=/data/mysql/data -DSYSCONFDIR=/usr/local/mysql -DWITH_MYISAM_STORAGE_ENGINE=1 -DWITH_INNOBASE_STORAGE_ENGINE=1 -DWITH_MEMORY_STORAGE_ENGINE=1 -DWITH_READLINE=1 -DMYSQL_UNIX_ADDR=/var/lib/mysql/mysql.sock -DMYSQL_TCP_PORT=3306 -DENABLED_LOCAL_INFILE=1 -DWITH_PARTITION_STORAGE_ENGINE=1 -DEXTRA_CHARSETS=all -DDEFAULT_CHARSET=utf8 -DDEFAULT_COLLATION=utf8_general_ci -DWITH_BOOST=/usr/local/boost >/dev/null 2>&1
    
    if [ "$?" -eq 0 ];then
       make && make install >/dev/null 2>&1 
    fi

    chown -R mysql:mysql /usr/local/mysql
    chown -R mysql:mysql /data/mysql
    # 執行初始化配置腳本，創建系統自帶的數據庫和表
    /usr/local/mysql/bin/mysqld --basedir=/usr/local/mysql --datadir=/data/mysql/data --user=mysql --initialize >/dev/null 2>&1

    ## 配置my.cnf, 注意下面EOF輸入的內容需要頂格寫，否則輸入無效!
cat > /usr/local/mysql/my.cnf << EOF  
[client]
port = 3306
socket = /usr/local/mysql/var/mysql.sock

[mysqld]
port = 3306
socket = /usr/local/mysql/var/mysql.sock

basedir = /usr/local/mysql/
datadir = /data/mysql/data
pid-file = /data/mysql/data/mysql.pid
user = mysql
bind-address = 0.0.0.0
server-id = 1
sync_binlog=1
log_bin = mysql-bin

skip-name-resolve
#skip-networking
back_log = 600

max_connections = 3000
max_connect_errors = 3000
##open_files_limit = 65535
table_open_cache = 512
max_allowed_packet = 16M
binlog_cache_size = 16M
max_heap_table_size = 16M
tmp_table_size = 256M

read_buffer_size = 1024M
read_rnd_buffer_size = 1024M
sort_buffer_size = 1024M
join_buffer_size = 1024M
key_buffer_size = 8192M

thread_cache_size = 8

query_cache_size = 512M
query_cache_limit = 1024M

ft_min_word_len = 4

binlog_format = mixed
expire_logs_days = 30

log_error = /data/mysql/data/mysql-error.log
slow_query_log = 1
long_query_time = 1
slow_query_log_file = /data/mysql/data/mysql-slow.log

performance_schema = 0
explicit_defaults_for_timestamp

##lower_case_table_names = 1  
skip-external-locking

default_storage_engine = InnoDB
##default-storage-engine = MyISAM
innodb_file_per_table = 1
innodb_open_files = 500
innodb_buffer_pool_size = 40960M
innodb_write_io_threads = 1000
innodb_read_io_threads = 1000
innodb_thread_concurrency = 8
innodb_purge_threads = 1
innodb_flush_log_at_trx_commit = 2
innodb_log_buffer_size = 4M
innodb_log_file_size = 32M
innodb_log_files_in_group = 3
innodb_max_dirty_pages_pct = 90
innodb_lock_wait_timeout = 120

bulk_insert_buffer_size = 8M
#myisam_sort_buffer_size = 8M
#myisam_max_sort_file_size = 1G
#myisam_repair_threads = 1

interactive_timeout = 28800
wait_timeout = 28800

[mysqldump]
quick
max_allowed_packet = 16M

[myisamchk]
key_buffer_size = 8M
sort_buffer_size = 8M
read_buffer = 4M
write_buffer = 4M

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
port = 3306
EOF

    #啟動mysql服務
    cd /usr/local/mysql && mkdir var
    chown -R mysql.mysql var
    cp support-files/mysql.server /etc/init.d/mysql
    chmod 755 /etc/init.d/mysql
    #由於是拷貝到/etc/init.d下的啟動腳本，這里不管是centos6或centos6都使用chkconfig添加開機啟動
    chkconfig mysql on 
    service mysql start >/dev/null 2>&1

    #設置環境變量
    echo "export PATH=$PATH:/usr/local/mysql/bin" >> /etc/profile
    source /etc/profile

    mkdir -p /var/lib/mysql
    ln -s /usr/local/mysql/var/mysql.sock /var/lib/mysql/mysql.sock
    chown -R mysql:mysql /var/lib/mysql

    #設置初始密碼為"mysql@123"
    sed -i '/\[mysqld]/a\skip-grant-tables' /usr/local/mysql/my.cnf
    service mysql restart >/dev/null 2>&1
    #mysql無密碼登陸，可以使用mysql -p" "直接登陸（即密碼為空）。如果直接使用mysql -p回車，然后無密碼，但還是需要觸發一次回車。
    /usr/local/mysql/bin/mysql -p" " -e "update mysql.user set authentication_string=password('mysql@123') where user='root';" -e "flush privileges;"
   
    sed -i '/skip-grant-tables/d' /usr/local/mysql/my.cnf
    MYSQL_VERSION=$(basename $(ls $BASE_DIR/mysql-*.tar.gz)|cut -d"-" -f2|awk -F".tar" '{print $1}')

    chown -R mysql:mysql /usr/local/mysql
    chown -R mysql:mysql /data/mysql

    service mysql restart >/dev/null 2>&1
    if [ "$?" -eq 0 ];then
      echo "恭喜您! Mysql${MYSQL_VERSION}安裝成功！目前Mysql服務已啟動，初始密碼為mysql@123" 
    fi
 }
  
case $NUM in
  1) 
     Nginx_server 
  ;; 
  2) 
     Apache_server 
  ;;
  3)
    Mysql_server
  ;;
esac

執行腳本

需要注意：
上面One_button_install.sh一鍵部署腳本中涉及服務安裝包的下載，考慮到網絡因素，可以提前將包下載下來放到指定的${BASE_DIR}目錄下，這樣有利於提高腳本執行效率。

執行腳本，必須選擇安裝mysql
[root@localhost ~]# chmod 755 One_button_install.sh
[root@localhost ~]# sh One_button_install.sh
+------------------------------------------------+ 
|                                                |
|    _o0o_        1. 安裝Nginx                   | 
|    08880        2. 安裝Apache                  |  
|    88"."88      3. 安裝MySQL                   | 
|    (|-_-|)      4. 安裝PHP                     | 
|    0\=/0        5. 部署LNMP環境                | 
|   __/  \__      6. 安裝zabbix監控              | 
|   ‘\  ///‘      7. 退出此管理程序              | 
|  / Linux一鍵 \  8. 關閉計算機                  | 
| ||  Server  || ================================|  
| \    ////       一鍵安裝服務                   | 
|  ||| i i i  ||| by Kevin                       | 
|  ___    ___    ================================| 
|___‘. /--.--\ .‘___                             | 
+------------------------------------------------+ 
請您輸入1-8任意字符:3
開始安裝Mysql，請喝杯咖啡，耐心等待一段時間....

接着就是耐心等待就好了，本腳本經過線上測試可用。

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