https://blog.treesir.pub/tags/kubeadm/Recent content in Kubeadm on Zayn's BlogHugo -- gohugo.iozh-cnyangzun@treesir.pub (Zayn)yangzun@treesir.pub (Zayn)2021-2026 ZaynThu, 24 Jun 2021 11:01:10 +0800https://blog.treesir.pub/posts/kube-vip-deploy-ha-k8s-cluster/Thu, 24 Jun 2021 11:01:10 +0800yangzun@treesir.pub (Zayn)https://blog.treesir.pub/posts/kube-vip-deploy-ha-k8s-cluster/<h2 class="relative group">方案介绍 <div id="方案介绍" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#%e6%96%b9%e6%a1%88%e4%bb%8b%e7%bb%8d" aria-label="锚点">#</a> </span> </h2> <p>在私有环境中部署 Kubernetes 高可用集群时，传统方案需要准备硬件或软件负载均衡器来创建多控制平面集群。通常我们会选择使用 HAProxy + Keepalived 来实现这个功能：创建 2 个负载均衡器虚拟机，分配一个 VIP（虚拟 IP），通过 VIP 将流量重定向到后端的 Kubernetes 控制平面节点。架构如下图所示：</p> <p> <figure> <img class="my-0 rounded-md" loading="lazy" alt="20210616142006" src="https://cdn.treesir.pub/img/20210616142006.png"> </figure> </p>https://blog.treesir.pub/posts/kubeadm-deploy-k8s1.9/Mon, 21 Dec 2020 13:19:31 +0800yangzun@treesir.pub (Zayn)https://blog.treesir.pub/posts/kubeadm-deploy-k8s1.9/<h2 class="relative group">系统环境说明 <div id="系统环境说明" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#%e7%b3%bb%e7%bb%9f%e7%8e%af%e5%a2%83%e8%af%b4%e6%98%8e" aria-label="锚点">#</a> </span> </h2> <ul> <li>使用操作系统: Centos-7.9.2009</li> <li>操作系统内核版本: 4.4.248 (<code>lt</code>)</li> <li>Docker容器版本: 18.09.9</li> <li>Kubeadm 版本: 1.19.6</li> <li>节点说明: <ul> <li>master01: 192.168.8.70 ,192.168.88.70</li> <li>node01: 192.168.8.71 ,192.168.88.71</li> <li>(备注: 为每个节点配置了两个ip，对外服务网段为: <code>192.168.8.0/24</code>, 集群内部通讯: <code>192.168.88.0/24</code>)</li> </ul> </li> </ul> <h2 class="relative group">OS 准备 <div id="os-准备" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#os-%e5%87%86%e5%a4%87" aria-label="锚点">#</a> </span> </h2> <h2 class="relative group">系统初始化 <div id="系统初始化" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 ltr:-left-6 rtl:-right-6 not-prose group-hover:opacity-100"> <a class="group-hover:text-primary-300 dark:group-hover:text-neutral-700 !no-underline" href="#%e7%b3%bb%e7%bb%9f%e5%88%9d%e5%a7%8b%e5%8c%96" aria-label="锚点">#</a> </span> </h2> <p><code>确保已将selinux关闭</code></p>