下载官方最新的lxc容器镜像

download_lxc.sh

#!/bin/bash

# 下载LCX的最新镜像

download_dir='/var/lib/vz/template/cache'
#proxy='socks5://127.0.0.1:8081'

if [ -n "$proxy" ]; then
    export https_proxy="${proxy}" http_proxy="${proxy}"
fi

log() {
    #local now=$(date "+%Y-%m-%d %H:%M:%S")
    printf "\e[35m[%(%Y-%m-%d %H:%M:%S)T]\e[0m $1\e[0m\n";
}

download() {
    local url distribution version architecture latest date file_temp file_target temp status
    # url="https://us.images.linuxcontainers.org/images/"
    url="https://mirrors.tuna.tsinghua.edu.cn/lxc-images/images/"
    distribution=$1
    version=$2
    architecture=${3-amd64}
    url="${url}${distribution}/${version}/${architecture}/default/"

    log "Downloading \e[31m${distribution} ${version} ${architecture}"
    temp=$(curl -s -f --connect-timeout 10 --retry 3 --retry-delay 5 "${url}")
    status=$?
    if [ "${status}" -ne 0 ]; then
        log "\e[31mGet ${distribution} ${version} ${architecture} information FAILED, skip download ${distribution} ${version} ${architecture}."
        exit 1
    fi

    latest=$(echo -e "${temp}" \
             | grep -o -P "a href=\"(\.\/)?20\d{6}_\d\d(:|%3A)\d\d\/\"" \
             | grep -o -P "20\d{6}_\d\d(:|%3A)\d\d\/"  \
             | sed 's/%3A/:/g' \
             | tail -1)
    # 提取之后的数据格式：20180811_07:42/ 或者 20180811_07%3A42/
    date=$(echo ${latest} | cut -d"_" -f1)
    url="${url}${latest}rootfs.tar.xz"
    file_temp="${download_dir}/${distribution}-${version}_${date}.tar.xz.tmp"
    file_target="${download_dir}/${distribution}-${version}_${date}.tar.xz"

    log "URL: \e[32m${url}"
    log "Temp file: \e[32m${file_temp}"

    curl -f --connect-timeout 5 --retry 3 --retry-delay 5 --progress-bar \
        "${url}" -o "${file_temp}" && mv "${file_temp}" "${file_target}" \
        && (echo;
            log "Download \e[31m${distribution} ${version} ${architecture}\e[0m FINISH.";
            log "File: \e[32m${file_target}\n";) \
        || (echo;
            log "Download \e[31m${distribution} ${version} ${architecture} FAILED.";
            rm -f "${file_temp}";
            log "Remove file: \e[32m${file_temp}\n";)
}

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#download archlinux current
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#download ubuntu bionic
#download ubuntu cosmic
#download openwrt current
#download kali current