k8s-upload-images.sh

k8s-upload-images.sh

#!/bin/bash
#####################
# 功能：下载官方 kubernetes 镜像 转存到 私有镜像中
####################

################### function #########################
# 警告
color::yello() {
	local val=$1
	echo -e "\033[33m ${val} \033[0m"
}
# 禁止
color::red() {
	local val=$1
	echo -e "\033[31m ${val} \033[0m"
}
# 提示
color::green() {
	local val=$1
	echo -e "\033[32m ${val} \033[0m"
}
# 青绿色
color::cyan() {
	local val=$1
	echo -e "\033[36m ${val} \033[0m"
}


k8s::image() {
    version=$1 #版本
    # 新镜像列表
    new_list=()
    # 操作
    i=0
    # 新地址
    new_addr="me.hubor.io/google_containers/"        
    for addr in $(kubeadm config images list --kubernetes-version "${version}" --image-repository=registry.aliyuncs.com/google_containers);do
        color::yello "原地址: ${addr}"
        image_name=${addr##*/}
        color::yello "镜像名称:${image_name}"
         # 下载
        color::yello "正在下载：${image_name}"
        sudo docker pull "${addr}"
        result=$?
        if [ ${result} -ne 0 ]; then 
            color::red "pull is failed."
            exit 0
        fi 
        # 更改 Tag
        new_image="${new_addr}${image_name}"
        green "new image name: ${new_image}"
        sudo docker tag "${addr}" "${new_image}"

         # 推送
        color::yello "正在上传: ${new_image}"
        sudo docker push "${new_image}"
        result=$?
        if [ ${result} -ne 0 ]; then 
            color::red "push is failed."
            exit 0
        fi 
        # 添加新镜像地址
        new_list[i]="${new_image}"
        # i 自增
        let i++
    done
    # 打印新的地址
    color::yello "上传完成的新地址："
    for name in "${new_list[@]}"; do
        color::green "${name}"
    done
}
look::image() {
    version=$1
    kubeadm config images list --kubernetes-version "${version}" --image-repository=registry.aliyuncs.com/google_containers
}

main::help(){
    scriptName=$0
    scriptName=$(basename "${scriptName}")
    help_list=(
        "###############使用帮助###############"
        "${scriptName} [action] [version]"
        "实例: ${scriptName} download 1.16.0"
        "目前支持:softName: download/see"
    )
    for name in "${help_list[@]}"; do
        color::cyan "${name}" 
    done     
}

main::check() {
    version=$1
    if [ -z "${version}" ];then 
        color::red "version 为空,如:1.16.0"
        exit 0
    fi 
}

main() {
    action=$1
    version=$2
    case "X${action}" in
    "Xdownload")
        main::check "${version}" 
        k8s::image "${version}" 
    ;;
    "Xsee")
        main::check "${version}" 
        look::image "${version}" 
    ;;
    *)
        main::help
    ;;
    esac
    
}

main "$@"