每日shell脚本之自动化备份管理镜像

#!/bin/bash
h_sl(){echo "-------------------"
}
save(){if [ ! -d "./images" ]; thenmkdir imagesficd imagesdocker images --format "{{.ID}} {{.Repository}}:{{.Tag}} {{.Size}}" > images_pull.txtwhile read linedoimage_id=`echo $line | awk '{print $1}'`image_repository=`echo $line | awk '{print $2}'`image_size=`echo $line | awk '{print $3}'`docker save -o $image_id.tar $image_repository &>/dev/null  && \echo "镜像名:[${image_repository}] 大小:[${image_size}]"done < images_pull.txth_sl
}load(){if [ ! -d "./images" ]; thenecho "当前目录下没有可有导入的镜像[已退出!]"exit 9h_slficd imageswhile read linedoimage_id=`echo $line | awk '{print $1}'`image_repository=`echo $line | awk '{print $2}'`docker load -i $image_id.tar &>/dev/null && \echo "镜像名:[${image_repository}] 已导入!"done < images_pull.txth_sl	
}
clear
h_sl
cat<<EOF
[1] save
[2] load
EOF
read -p "请输入序号:" im_id
case $im_id in
1)save;;
2)load;;
*)echo "输入错误已退出!"h_slexit 9
esac