基于镜像仓库一键安装docker脚本

root@ubuntu1804:~# cat install_docker.sh 
#!/bin/bash
#
#**********************************************************************************************
#Author:        Raymond
#QQ:            88563128
#Date:          2021-12-07
#FileName:      install_docker.sh
#URL:           raymond.blog.csdn.net
#Description:   install_docker for centos 7/8 & ubuntu 18.04/20.04 Rocky 8
#Copyright (C): 2021 All rights reserved
#*********************************************************************************************
COLOR="echo -e \\033[01;31m"
END='\033[0m'
DOCKER_VERSION=20.10.11
URL='mirrors.cloud.tencent.com'os(){OS_ID=`sed -rn '/^NAME=/s@.*="([[:alpha:]]+).*"$@\1@p' /etc/os-release`OS_RELEASE_VERSION=`sed -rn '/^VERSION_ID=/s@.*="?([0-9]+)\.?.*"?@\1@p' /etc/os-release`
}ubuntu_install_docker(){dpkg -s docker-ce &>/dev/null && ${COLOR}"Docker已安装，退出"${END} && exit${COLOR}"开始安装DOCKER依赖包"${END}apt update &> /dev/nullapt -y install apt-transport-https ca-certificates curl software-properties-common &> /dev/nullcurl -fsSL https://${URL}/docker-ce/linux/ubuntu/gpg | sudo apt-key add - &> /dev/nulladd-apt-repository  "deb [arch=amd64] https://${URL}/docker-ce/linux/ubuntu  $(lsb_release -cs) stable" &> /dev/null apt update &> /dev/null${COLOR}"Docker有以下版本"${END}apt-cache madison docker-ce${COLOR}"10秒后即将安装:Docker-"${DOCKER_VERSION}"版本......"${END}${COLOR}"如果想安装其它Docker版本，请按Ctrl+c键退出，修改版本再执行"${END}sleep 10${COLOR}"开始安装DOCKER"${END}apt -y install docker-ce=5:${DOCKER_VERSION}~3-0~ubuntu-$(lsb_release -cs) docker-ce-cli=5:${DOCKER_VERSION}~3-0~ubuntu-$(lsb_release -cs) &> /dev/null || { ${COLOR}"apt源失败，请检查apt配置"${END};exit; }
}centos_install_docker(){rpm -q docker-ce &> /dev/null && ${COLOR}"Docker已安装，退出"${END} && exit${COLOR}"开始安装DOCKER依赖包"${END}yum -y install yum-utils &> /dev/nullyum-config-manager --add-repo https://${URL}/docker-ce/linux/centos/docker-ce.repo &> /dev/nullyum clean all &> /dev/nullyum makecache &> /dev/null${COLOR}"Docker有以下版本"${END}yum list docker-ce.x86_64 --showduplicates${COLOR}"10秒后即将安装:Docker-"${DOCKER_VERSION}"版本......"${END}${COLOR}"如果想安装其它Docker版本，请按Ctrl+c键退出，修改版本再执行"${END}sleep 10${COLOR}"开始安装DOCKER"${END}yum -y install docker-ce-${DOCKER_VERSION} docker-ce-cli-${DOCKER_VERSION} &> /dev/null || { ${COLOR}"yum源失败，请检查yum配置"${END};exit; }
}mirror_accelerator(){mkdir -p /etc/dockertee /etc/docker/daemon.json <<-'EOF'
{"registry-mirrors": ["https://hzw5xiv7.mirror.aliyuncs.com","https://docker.mirrors.ustc.edu.cn","http://f1361db2.m.daocloud.io","https://registry.docker-cn.com","https://dockerhub.azk8s.cn","https://reg-mirror.qiniu.com","https://hub-mirror.c.163.com","https://mirror.ccs.tencentyun.com"]
}
EOFsystemctl daemon-reloadsystemctl enable --now dockersystemctl is-active docker &> /dev/null && ${COLOR}"Docker 服务启动成功"${END} || { ${COLOR}"Docker 启动失败"${END};exit; }docker version &&  ${COLOR}"Docker 安装成功"${END} || ${COLOR}"Docker 安装失败"${END}
}set_alias(){echo 'alias rmi="docker images -qa|xargs docker rmi -f"' >> ~/.bashrcecho 'alias rmc="docker ps -qa|xargs docker rm -f"' >> ~/.bashrc
}set_swap_limit(){if [ ${OS_ID} == "Ubuntu" ];then${COLOR}'设置Docker的"WARNING: No swap limit support"警告'${END}sed -ri '/^GRUB_CMDLINE_LINUX=/s@"$@ swapaccount=1"@' /etc/default/grubupdate-grub &> /dev/null${COLOR}"10秒后，机器会自动重启"${END}sleep 10rebootfi
}main(){osif [ ${OS_ID} == "CentOS" -o ${OS_ID} == "Rocky" ] &> /dev/null;thencentos_install_dockerelseubuntu_install_dockerfimirror_acceleratorset_aliasset_swap_limit
}main