shell自动化一键部署脚本，秒级一键回滚脚本

 #!/bin/bash

 # Node List

 PRE_LIST="192.168.222.163"        # 预生产环境节点

 GROUP1_LIST="192.168.222.164"        # 分组

 ROLLBACK_LIST="192.168.222.163 192.168.222.164" # 回滚列表

 # Date/Time Veriables

 LOG_DATE='date "+%Y-%m-%d"'

 LOG_TIME='date "+%H-%M-%S"'

 CDATE=$(date "+%Y-%m-%d")

 CTIME=$(date "+%H-%M-%S")

 # Shell Env

 SHELL_NAME="deploy_all.sh"

 SHELL_DIR="/home/www/"

 SHELL_LOG="${SHELL_DIR}/${SHELL_NAME}.log"

 # Code Env

 PRO_NAME="web-demo"

 CODE_DIR="/deploy/code/web-demo"

 CONFIG_DIR="/deploy/config/web-demo"

 TMP_DIR="/deploy/tmp"

 TAR_DIR="/deploy/tar"

 LOCK_FILE="/tmp/deploy.lock"

 usage(){

     echo $"Usage: $0 {deploy | rollback [ list | version ]}"

 }

 writelog(){

    LOGINFO=$

    echo "${CDATE} ${CTIME}: ${SHELL_NAME} : ${LOGINFO} "  >> ${SHELL_LOG}

 }

 shell_lock(){

     touch ${LOCK_FILE}

 }

 shell_unlock(){

     rm -f ${LOCK_FILE}

 }

 url_test(){

     URL=$

     curl -s --head $URL | grep '200 OK'

     if [ $? -ne  ];then

         shell_unlock;

         echo "test error" && exit;

     fi

 }

 code_get(){

     writelog "code_get";

     cd $CODE_DIR && git pull        # 事先要在部署机上 git clone 项目代码

     cp -r ${CODE_DIR} ${TMP_DIR}/

     API_VERL=$(git show | grep commit | cut -d ' ' -f2)

     API_VER=$(echo ${API_VERL::})

 }

 code_build(){

     echo code_build

 }

 code_config(){

     writelog "code_config"

     /bin/cp -r ${CONFIG_DIR}/base/* ${TMP_DIR}/"${PRO_NAME}"

     PKG_NAME="${PRO_NAME}"_"$API_VER"_"${CDATE}-${CTIME}"

     cd ${TMP_DIR} && mv ${PRO_NAME} ${PKG_NAME}

 }

 code_tar(){

     writelog "code_tar"

     cd ${TMP_DIR} && tar czf ${PKG_NAME}.tar.gz ${PKG_NAME}

     writelog "${PKG_NAME}.tar.gz"

 }

 code_scp(){

     writelog "code_scp"

     for node in $PRE_LIST;do

         scp ${TMP_DIR}/${PKG_NAME}.tar.gz $node:/opt/webroot/

     done

     for node in $GROUP1_LIST;do

         scp ${TMP_DIR}/${PKG_NAME}.tar.gz $node:/opt/webroot/

     done

               scp ${TMP_DIR}/${PKG_NAME}.tar.gz 192.168.222.162:/opt/webroot/

 }

 pre_deploy(){

     writelog "remove from cluster"

     ssh $PRE_LIST "cd /opt/webroot && tar zxf ${PKG_NAME}.tar.gz"

     ssh 192.168.222.162 "cd /opt/webroot && tar zxf ${PKG_NAME}.tar.gz"

     ssh $PRE_LIST "rm -rf /webroot/web-demo && ln -s /opt/webroot/${PKG_NAME} /webroot/web-demo"

 }

 pre_test(){

     url_test "http://${PRE_LIST}/index.html"

     echo "add to cluster"

 }

 group1_deploy(){

     writelog "remove from cluster"

     for node in $GROUP1_LIST;do

         ssh $node "cd /opt/webroot && tar zxf ${PKG_NAME}.tar.gz"

         ssh $node "rm -rf /webroot/web-demo && ln -s /opt/webroot/${PKG_NAME} /webroot/web-demo"

     done

     scp ${CONFIG_DIR}/other/192.168.222.163.crontab.xml 192.168.222.164:/webroot/web-demo/crontab.xml

 }

 group1_test(){

     url_test "http://192.168.222.163:80/index.html"

     echo "add to cluster"

 }

 rollback_fun(){

     for node in $ROLLBACK_LIST;do

     ssh $node "rm -f /webroot/web-demo && ln -s /opt/webroot/$1 /webroot/web-demo"

     done

 }

 rollback(){

 if [ -z $1 ];then

     shell_unlock;

     echo "Please input rollback version" && exit;

 fi

     case $1 in

     list)

         ls -l /opt/webroot/*.tar.gz

         ;;

     *)

         rollback_fun $1

     esac

 }

 main(){

    if [ -f $LOCK_FILE ];then

     echo "Deploy is running" && exit;

    fi

     DEPLOY_METHOD=$1

     ROLLBACK_VER=$2

     case $DEPLOY_METHOD in

     deploy)

         shell_lock;

         code_get;

         code_build;

         code_config;

         code_tar;

         code_scp;

         pre_deploy;

         pre_test;

         group1_deploy;

         group1_test;

         shell_unlock;

         ;;

     rollback)

         shell_lock;

         rollback $ROLLBACK_VER;

         shell_unlock;

         ;;

     *)

         usage;

     esac

 }

 main $1 $2