136 lines
3.4 KiB
Bash
136 lines
3.4 KiB
Bash
#!/bin/bash
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# 确保脚本以root权限运行
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check_root() {
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if [ "$(id -u)" -ne 0 ]; then
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echo "请使用root权限运行此脚本" >&2
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exit 1
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fi
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}
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# 安装Docker
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install_docker() {
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echo "===== 开始安装Docker ====="
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# 更新系统并安装必要的依赖包
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echo "更新系统并安装依赖包..."
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apt update && apt install -y ca-certificates curl gnupg lsb-release
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# 创建Docker密钥存储目录
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echo "准备Docker密钥..."
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mkdir -p /etc/apt/keyrings
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# 下载并安装Docker GPG密钥
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curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
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# 添加Docker软件源（使用阿里云镜像）
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echo "配置Docker软件源..."
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echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://mirrors.aliyun.com/docker-ce/linux/debian $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
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# 安装Docker引擎
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echo "安装Docker引擎..."
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apt update
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apt install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
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# 配置Docker镜像加速器
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echo "配置Docker镜像加速器..."
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mkdir -p /etc/docker
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tee /etc/docker/daemon.json <<-'EOF'
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{
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"registry-mirrors": [
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"https://docker.m.daocloud.io"
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]
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}
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EOF
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# 重启Docker服务使配置生效
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echo "重启Docker服务..."
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systemctl daemon-reload
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systemctl restart docker
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systemctl enable docker # 设置开机自启
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# 验证安装结果
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if docker --version >/dev/null 2>&1; then
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echo "===== Docker安装配置完成！ ====="
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docker --version
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else
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echo "===== Docker安装失败，请检查错误信息。 =====" >&2
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exit 1
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fi
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}
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# 卸载Docker
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uninstall_docker() {
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echo "===== 开始卸载Docker ====="
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# 检查Docker是否安装
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if ! command -v docker &> /dev/null; then
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echo "Docker未安装，无需卸载"
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exit 0
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fi
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# 停止Docker服务
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echo "停止Docker服务..."
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systemctl stop docker
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systemctl disable docker
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# 卸载Docker包
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echo "卸载Docker组件..."
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apt purge -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
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# 删除Docker相关目录
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echo "清理Docker配置和数据目录..."
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rm -rf /etc/docker
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rm -rf /etc/apt/keyrings/docker.gpg
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rm -rf /etc/apt/sources.list.d/docker.list
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rm -rf /var/lib/docker
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rm -rf /var/lib/containerd
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# 清理无用依赖
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echo "清理系统残留包..."
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apt autoremove -y
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apt autoclean
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# 验证卸载结果
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if ! command -v docker &> /dev/null; then
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echo "===== Docker卸载完成！ ====="
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echo "注意：Docker容器和镜像数据已删除"
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else
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echo "===== Docker卸载失败，请检查错误信息。 =====" >&2
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exit 1
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fi
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}
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# 显示帮助信息
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show_help() {
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echo "Docker安装与卸载管理脚本"
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echo "用法: $0 [选项]"
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echo "选项:"
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echo " -i 安装Docker（默认选项）"
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echo " -u 卸载Docker"
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echo " -h 显示帮助信息"
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}
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# 主程序
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check_root
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case "$1" in
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-install)
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install_docker
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;;
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-u)
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uninstall_docker
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;;
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-h)
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show_help
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;;
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"")
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install_docker
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;;
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*)
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echo "未知选项: $1" >&2
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show_help >&2
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exit 1
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;;
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esac
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