#操作/项目路径(Dockerfile存放的路劲)
BASE_PATH=/Users/michael/Gaia/DevOps/jenkins-work-space
# 源jar路径  
SOURCE_PATH=/Users/michael/.jenkins/workspace
#docker 镜像/容器名字或者jar名字 这里都命名为这个
SERVER_NAME=jenkins-demo
#容器id
CID=$(docker ps -a | grep "$SERVER_NAME" | awk '{print $1}')
#镜像id
IID=$(docker images | grep "$SERVER_NAME" | awk '{print $3}')
 
DATE=`date +%Y%m%d%H%M`
 
# 最新构建代码 移动到项目环境
function transfer(){
    echo "最新构建代码$SOURCE_PATH/$SERVER_NAME/target/$SERVER_NAME.jar.迁移至$BASE_PATH...."
        cp $SOURCE_PATH/$SERVER_NAME/target/$SERVER_NAME.jar $BASE_PATH 
    echo "迁移完成"
}
 
# 备份
function backup(){
	if [ -f "$BASE_PATH/$SERVER_NAME.jar" ]; then
    	echo "$SERVER_NAME.jar备份..."
        	cp $BASE_PATH/$SERVER_NAME.jar $BASE_PATH/backup/$SERVER_NAME-$DATE.jar
        echo "备份$SERVER_NAME.jar完成"
    else
    	echo "$BASE_PATH/$SERVER_NAME.jar不存在,跳过备份"
    fi
}
 
# 构建docker镜像
function build(){
	# 如果容器已经启动则停止,并且删除容器
	if [ -n "$CID" ]; then
    	echo "存在$SERVER_NAME容器正在运行中,CID=$CID"
        docker stop $CID
        echo "已停止$SERVER_NAME容器,CID=$CID"
        docker rm $CID
        echo "已删除$SERVER_NAME容器,CID=$CID容器"
    fi
    
    # 如果存在镜像则删除,然后重新构建.如果不存在镜像,则新创建镜像
	if [ -n "$IID" ]; then
    	docker rmi $IID
        echo "存在$SERVER_NAME镜像,IID=$IID,已删除."
        cd $BASE_PATH
        docker build -t $SERVER_NAME .
		echo "存在$SERVER_NAME镜像,IID=$IID 已重新构造完成."
	else
		echo "不存在$SERVER_NAME镜像，开始构建镜像"
			cd $BASE_PATH
		docker build -t $SERVER_NAME .
	fi
}
 
# 运行docker容器
function run(){
	backup
	transfer
	build
    docker run --name $SERVER_NAME -d -p 8091:8091 $SERVER_NAME
    echo "$SERVER_NAME容器创建完成"
    # 容器直接全部重启
	#if [ -n "$CID" ]; then
	#	echo "存在$SERVER_NAME容器，CID=$CID,重启docker容器 ..."
	#		docker restart $SERVER_NAME 
	#	echo "$SERVER_NAME容器重启完成"
	#else
	#	echo "不存在$SERVER_NAME容器，docker run创建容器..."
	#		docker run --name $SERVER_NAME -d -p 8091:8091 $SERVER_NAME
	#	echo "$SERVER_NAME容器创建完成"
	#fi
}
 
#入口
run