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aria-label="页面路径"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="主页面" class="breadcrumbs__link" href="/zh/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">参考指南</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/zh/reference-guides/cluster-configuration"><span itemprop="name">集群配置</span></a><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/zh/reference-guides/cluster-configuration/downstream-cluster-configuration"><span itemprop="name">下游集群配置</span></a><meta itemprop="position" content="3"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/zh/reference-guides/cluster-configuration/downstream-cluster-configuration/machine-configuration"><span itemprop="name">主机配置</span></a><meta itemprop="position" content="4"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">EC2 主机配置参考</span><meta itemprop="position" content="5"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">版本:Latest</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">本页总览</button></div><div class="theme-doc-markdown markdown"><header><h1>EC2 主机配置参考</h1></header><p>有关 EC2 和节点的更多详细信息,请参阅 <a href="https://aws.amazon.com/ec2" target="_blank" rel="noopener noreferrer">EC2 管理控制台</a>的官方文档。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="区域">区域<a href="#区域" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>构建集群的地理<a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html" target="_blank" rel="noopener noreferrer">区域</a>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="地区">地区<a href="#地区" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p><a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html#concepts-availability-zones" target="_blank" rel="noopener noreferrer">地区</a>,一个区域内用于构建集群的隔离位置。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="实例类型">实例类型<a href="#实例类型" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p><a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instance-types.html" target="_blank" rel="noopener noreferrer">实例类型</a>用于配置集群,能确定硬件特性。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="根磁盘大小">根磁盘大小<a href="#根磁盘大小" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>配置<a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/RootDeviceStorage.html" target="_blank" rel="noopener noreferrer">根设备</a>的大小(以 GB 为单位)。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="vpc子网">VPC/子网<a href="#vpc子网" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p><a href="https://docs.aws.amazon.com/vpc/latest/userguide/configure-your-vpc.html" target="_blank" rel="noopener noreferrer">VPC</a> 或特定的<a href="https://docs.aws.amazon.com/vpc/latest/userguide/configure-subnets.html" target="_blank" rel="noopener noreferrer">子网</a>(VPC 中的一个 IP 范围),用于添加你的资源。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="iam-实例配置文件名称">IAM 实例配置文件名称<a href="#iam-实例配置文件名称" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>示例配置文件的名称,用于将 IAM 角色传递给 EC2 实例。</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="高级选项">高级选项<a href="#高级选项" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ami-id">AMI ID<a href="#ami-id" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>用于集群中节点的 <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AMIs.html" target="_blank" rel="noopener noreferrer">Amazon Machine Image(AMI)</a>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="用于-ami-的-ssh-用户名">用于 AMI 的 SSH 用户名<a href="#用于-ami-的-ssh-用户名" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>用于连接到你启动的实例的用户名。有关选定 AMI 的默认用户名,请参阅<a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/connection-prereqs.html" target="_blank" rel="noopener noreferrer">此处</a>。对于未列出的 AMI,请咨询 AMI 提供商。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="安全组">安全组<a href="#安全组" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>选择默认安全组或配置安全组。</p><p>请参考<a href="/zh/getting-started/installation-and-upgrade/installation-requirements/port-requirements#rancher-aws-ec2-%E5%AE%89%E5%85%A8%E7%BB%84">使用主机驱动时的 Amazon EC2 安全组</a>,了解 <code>rancher-nodes</code> 安全组中创建的规则。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ebs-根卷类型">EBS 根卷类型<a href="#ebs-根卷类型" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>用于根设备的 <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-volume-types.html" target="_blank" rel="noopener noreferrer">EBS 卷类型</a>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="加密-ebs-卷">加密 EBS 卷<a href="#加密-ebs-卷" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>启用 <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSEncryption.html" target="_blank" rel="noopener noreferrer">Amazon EBS 加密</a>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="请求-spot-实例">请求 Spot 实例<a href="#请求-spot-实例" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>开启<a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-requests.html" target="_blank" rel="noopener noreferrer">请求 Spot 实例</a>选项,并指定你愿意支付的最高实例价格(每小时)。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="仅使用私有地址">仅使用私有地址<a href="#仅使用私有地址" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>启用仅使用<a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-instance-addressing.html" target="_blank" rel="noopener noreferrer">私人地址</a>的选项。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="ebs-优化实例">EBS 优化实例<a href="#ebs-优化实例" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>使用 <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-optimized.html" target="_blank" rel="noopener noreferrer">EBS 优化实例</a>。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="允许访问-ec2-元数据">允许访问 EC2 元数据<a href="#允许访问-ec2-元数据" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>启用对 <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html" target="_blank" rel="noopener noreferrer">EC2 元数据</a>的访问。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="为元数据使用-token">为元数据使用 Token<a href="#为元数据使用-token" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>使用 <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/configuring-instance-metadata-service.html" target="_blank" rel="noopener noreferrer">Instance Metadata Service Version 2 (IMDSv2)</a>,即基于令牌访问元数据的方法。</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="添加标签">添加标签<a href="#添加标签" class="hash-link" aria-label="标题的直接链接" title="标题的直接链接">​</a></h3><p>使用<a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/Using_Tags.html" target="_blank" rel="noopener noreferrer">标签</a>添加元数据,从而对资源进行分类。</p></div><footer class="theme-doc-footer 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class="table-of-contents__link toc-highlight">VPC/子网</a></li><li><a href="#iam-实例配置文件名称" class="table-of-contents__link toc-highlight">IAM 实例配置文件名称</a></li><li><a href="#高级选项" class="table-of-contents__link toc-highlight">高级选项</a><ul><li><a href="#ami-id" class="table-of-contents__link toc-highlight">AMI ID</a></li><li><a href="#用于-ami-的-ssh-用户名" class="table-of-contents__link toc-highlight">用于 AMI 的 SSH 用户名</a></li><li><a href="#安全组" class="table-of-contents__link toc-highlight">安全组</a></li><li><a href="#ebs-根卷类型" class="table-of-contents__link toc-highlight">EBS 根卷类型</a></li><li><a href="#加密-ebs-卷" class="table-of-contents__link toc-highlight">加密 EBS 卷</a></li><li><a href="#请求-spot-实例" class="table-of-contents__link toc-highlight">请求 Spot 实例</a></li><li><a href="#仅使用私有地址" class="table-of-contents__link toc-highlight">仅使用私有地址</a></li><li><a href="#ebs-优化实例" class="table-of-contents__link toc-highlight">EBS 优化实例</a></li><li><a href="#允许访问-ec2-元数据" class="table-of-contents__link 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