Docker离线包相关脚本编写

脚本目录概览

资源地址：https://github.com/XuxuGood/docker-images-scripts

镜像清单

tomcat:latest
grafana/grafana:6.6.0
docker.io/xiaoxuxuy/tomcat:latest
docker.io/xiaoxuxuy/redis:5.0.6
docker.io/xiaoxuxuy/activemq:latest
docker.io/xiaoxuxuy/zookeeper:latest
docker.io/xiaoxuxuy/jfrog-artifactory-oss:6.6.3

导出镜像

#!/usr/bin/env bash

# 定义日志
workdir=`pwd`
log_file=${workdir}/sync_images_$(date +"%Y-%m-%d").log

logger ()
{
    log=$1
    current_time='['$(date +"%Y-%m-%d %H:%M:%S")']'
    # 写入日志
    echo ${current_time} ${log} | tee -a ${log_file}
}

# 镜像清单文件
list="images.txt"

rm -rf xiaoxuxuy-images/
mkdir -p xiaoxuxuy-images

for i in $(cat ${list});
do
    echo "===========开始拉取镜像==========="
    # 拉取镜像
    docker pull ${i}
  
    if [ $? -ne 0 ]; then
        logger "${i} pull failed."
    else
        logger "${i} pull successfully."
    fi

    echo "===========开始镜像转存==========="
    # 镜像保存成 tar 归档文件
    docker save ${i} | gzip > xiaoxuxuy-images/$(echo $i | sed "s#/#-#g; s#:#-#g").tar.gz

    if [ $? -ne 0 ]; then
        logger "${i} save failed."
    else
        logger "${i} save successfully."
    fi
done

导入镜像

#!/bin/bash

# 定义日志
workdir=`pwd`
log_file=${workdir}/sync_images_$(date +"%Y-%m-%d").log

logger ()
{
    log=$1
    current_time='['$(date +"%Y-%m-%d %H:%M:%S")']'
    # 写入日志
    echo ${current_time} ${log} | tee -a ${log_file}
}

# 镜像压缩文件列表
images=$(cat images.txt | sed "s#/#-#g; s#:#-#g")

# 镜像压缩文件目录
images_path=xiaoxuxuy-images
cd $images_path

# 导入镜像
docker_load ()
{
    for img in $(echo ${images});
    do
        echo "===========开始导入镜像==========="
    	docker load < ${img}.tar.gz

        if [ $? -ne 0 ]; then
            logger "${imgs} load failed."
        else
            logger "${imgs} load successfully."
        fi
    done
}
docker_load

# 返回原目录
cd ..

推送镜像

#!/bin/bash

## 镜像上传说明
# 需要先在镜像仓库中创建 xxx 项目
# 根据实际情况更改以下私有仓库地址

namespace=xiaoxuxuy

# 定义日志
workdir=`pwd`
log_file=${workdir}/sync_images_$(date +"%Y-%m-%d").log

logger ()
{
    log=$1
    current_time='['$(date +"%Y-%m-%d %H:%M:%S")']'
    # 写入日志
    echo ${current_time} ${log} | tee -a ${log_file}
}

# 登录镜像hub
images_hub() {
    while true; do
        read -p "输入镜像仓库地址(不加http/https): " registry
        read -p "输入镜像仓库用户名: " registry_user
        read -p "输入镜像仓库用户密码: " registry_password
        echo "您设置的仓库地址为: ${registry},用户名: ${registry_user},密码: ${registry_password}"

        while true; do
            read -p "是否确认(Y/N): " confirm

            if [ "$confirm" != Y ] && [ "$confirm" != y ] && [ "$confirm" = '' ]; then
                echo "输入不能为空，重新输入"
            elif [ "$confirm" == Y ] || [ "$confirm" == y ] ; then
            	result=`docker login -u ${registry_user} -p ${registry_password} ${registry}`
    			if [ $? -ne 0 ]; then
            		logger "镜像仓库 Login Failed，请重试！"
            		break
        		else
            		logger "镜像仓库 ${result}"
            		break 2
        		fi
            elif [ "$confirm" == N ] || [ "$confirm" == n ] ; then
                exit 1
            else
            	echo '请输入Y或N'
            fi
        done
    done
}

images_hub

images=`cat images.txt`

# 镜像推送
docker_push() {
    for imgs in $(echo ${images}); do
        n=$(echo ${imgs} | awk -F"/" '{print NF-1}')
        # 如果镜像名中没有/，那么此镜像一定是library仓库的镜像
        if [ ${n} -eq 0 ]; then
            img_tag=${imgs}
            # 重命名镜像
            docker tag ${imgs} ${registry}/${namespace}/${img_tag}
            # 删除旧镜像
            # docker rmi ${imgs}
            # 上传镜像
            docker push ${registry}/${namespace}/${img_tag}
        #如果镜像名中有一个/，那么/左侧为项目名，右侧为镜像名和tag
        elif [ ${n} -eq 1 ]; then
            img_tag=$(echo ${imgs} | awk -F"/" '{print $2}')
            # 重命名镜像
            docker tag ${imgs} ${registry}/${namespace}/${img_tag}
            # 删除旧镜像
            # docker rmi ${imgs}
            # 上传镜像
            docker push ${registry}/${namespace}/${img_tag}
        #如果镜像名中有两个/，
        elif [ ${n} -eq 2 ]; then
            img_tag=$(echo ${imgs} | awk -F"/" '{print $3}')
            # 重命名镜像
            docker tag ${imgs} ${registry}/${namespace}/${img_tag}
            # 删除旧镜像
            # docker rmi ${imgs}
            # 上传镜像
            docker push ${registry}/${namespace}/${img_tag}
        else
            #标准镜像为四层结构，即：仓库地址/项目名/镜像名:tag,如不符合此标准，即为非有效镜像。
            echo "No available images"
        fi
    done
}

docker_push