centos 7.0 64位
gitlab：v2.9.0
git：2.9
jenkins 1.651.3、git plugin、GitLab Plugin、Dynamic Parameter Plug-in等
ansible：2.1.0.0

#!/bin/sh
#说明
show_usage="args: [-l , -r , -b , -w]\[--local-repository=, --repository-url=, --backup-dir=, --webdir=]"
#参数
# 本地仓库目录
opt_localrepo=""# git仓库url
opt_url=""# 备份目录
opt_backupdir=""# web目录
opt_webdir=""GETOPT_ARGS=`getopt -o l:r:b:w: -al local-repository:,repository-url:,backup-dir:,webdir: -- "$@"`
eval set -- "$GETOPT_ARGS"
#获取参数
while [ -n "$1" ]
docase "$1" in-l|--local-repository) opt_localrepo=$2; shift 2;;-r|--repository-url) opt_url=$2; shift 2;;-b|--backup-dir) opt_backupdir=$2; shift 2;;-w|--webdir) opt_webdir=$2; shift 2;;--) break ;;*) echo $1,$2,$show_usage; break ;;esac
doneif [[ -z $opt_localrepo || -z $opt_url || -z $opt_backupdir || -z $opt_webdir ]]; thenecho $show_usageecho "opt_localrepo: $opt_localrepo , opt_url: $opt_url , opt_backupdir: $opt_backupdir , opt_webdir: $opt_webdir"exit 0
fi# 部署脚本所在目录
scriptdir=`pwd`/jenkinsdeploy/
mkdir -p $scriptdir# 当前部署版本号
currversion=$scriptdir/currentversion.txt# 上次部署版本
lastversion=$scriptdir/lastversion.txt
if [ ! -f "$lastversion" ];thenecho "" > $lastversion
fi# git commit日志
gitcommitlog=$scriptdir/gitcommitlog.txt# 两个版本间差异文件列表
difffile=$scriptdir/difffile.txt#if [ "$repodif" == "" ];then
#        echo "仓库本地目录不能为空，请输入本地仓库目录参数！"
#        exit 1
#fi# 切换到本地版本库目录
cd $opt_localrepo
# 更新代码
git pull $opt_url
# 获取commit日志
git log --pretty=format:"%H" > $gitcommitlog# 获取当前commit版本
currentcommit=`head -1 $gitcommitlog`
echo "current commit id: $currentcommit"# 上一次部署的commit id
lastdeployid=`head -1 $lastversion`
echo "lastdeployid: $lastdeployid"if [ "$lastdeployid" = "" ];thenlastdeployid=`tail -1 $gitcommitlog`echo "lastdeployid: $lastdeployid"
fiif [ "$lastdeployid" = "$currentcommit" ];thenecho "与上次部署的版本id相同，$currentcommit，不作部署操作。"exit
fi# 获取两个版本间差异的文件列表
echo "pwd: `pwd`"
git diff $lastdeployid $currentcommit --name-only > $difffile
echo "git diff $lastdeployid $currentcommit --name-only  $difffile">$scriptdir/log.txt# 根据当前时间生成备份目录
bakversion=`date "+%Y%m%d%H%M"`
bakdir=$opt_backupdir/$bakversion
echo "bakdir: $bakdir"# 创建备份目录
mkdir -p $bakdir
# 备份文件,要保存相对目录结构必须切换到程序根目录，否则获取的是绝对目录
cd $opt_webdir
cat $difffile | xargs -i -t cp -rf --parents {} $bakdir/# 部署，,要保存相对目录结构必须切换到程序根目录，否则获取的是绝对目录
cd $opt_localrepo
cat $difffile | xargs -i -t cp -rf --parents {} $opt_webdir/# 记录当前部署版本信息
echo $currentcommit >$lastversionecho "$bakdir">>$scriptdir/backup.txt

#!/bin/sh
#说明
show_usage="args: [-b , -w]\[--backup-dir=, --webdir=]"
#参数# 备份目录
opt_backupdir=""# web目录
opt_webdir=""GETOPT_ARGS=`getopt -o b:w: -al backup-dir:,webdir: -- "$@"`
eval set -- "$GETOPT_ARGS"
#获取参数
while [ -n "$1" ]
docase "$1" in-b|--backup-dir) opt_backupdir=$2; shift 2;;-w|--webdir) opt_webdir=$2; shift 2;;--) break ;;*) echo $1,$2,$show_usage; break ;;esac
doneif [[ -z $opt_backupdir || -z $opt_webdir ]]; thenecho $show_usageecho "opt_backupdir: $opt_backupdir , opt_webdir: $opt_webdir"exit 0
fi# 部署脚本所在目录
scriptdir=`pwd`/jenkinsdeploy/
mkdir -p $scriptdir# 备份记录
backupfile=$scriptdir/backup.txt
# 获取上一次备份的记录
bakdir=`tail -1 $backupfile`if [ "$bakdir" = "" ];thenecho "无法获取备份目录。"exit
fiecho "备份目录：$bakdir"
echo "web目录：$opt_webdir"cd $bakdir
cp -rf --parents ./* $opt_webdir/echo "成功回滚。"

deploy_envirenment

deploy
rollback

echo $deploy_envirenment
case $deploy_envirenment indeploy)echo "deploy: $deploy_envirenment"ansible webservers -m script -a "~/bashscript/xxxxxx_deploy.sh --local-repository=/www/test/test --repository-url=git仓库地址 --backup-dir=/www/test/bak --webdir=/www/test/www";;rollback)echo "rollback: $deploy_envirenment"ansible webservers -m script -a '~/bashscript/xxxxxx_rollback.sh --backup-dir=/www/test/bak --webdir=/www/test/www';;*)exit;;
esac

执行脚本：
Started by user xxx
Building in workspace /var/lib/jenkins/jobs/ttt/workspace
[workspace] $ /bin/sh -xe /tmp/hudson8451273492016631046.sh
+ echo rollback
rollback
+ case $deploy_envirenment in
+ echo 'rollback: rollback'
rollback: rollback
+ ansible webservers -m script -a '~/bashscript/xxxx_rollback.sh --backup-dir=/www/test/bak --webdir=/www/test/www'
xxx.xxx.xxx.xxx | SUCCESS => {"changed": true, "rc": 0, "stderr": "", "stdout": "备份目录：/www/test/bak/201607131627\r\nweb目录：\r\n成功回滚。\r\n", "stdout_lines": ["备份目录：/www/test/bak/201607131627", "web目录：", "成功回滚。"]
}
Finished: SUCCESS