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<title>安装 Kubernetes 单Master节点 | Kuboard</title>
<meta name="description" content="A cool Kubernetes Dashboard">
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@ -54,7 +54,8 @@ swapoff -a
</code></pre></div><p>向其中添加</p> <div class="language- extra-class"><pre class="language-text"><code>net.ipv4.ip_forward = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
</code></pre></div><p>如下图所示</p> <p><img src="/assets/img/image-20190715085036593.55559549.png" alt="image-20190715085036593" title=":size=600x445"></p> <p><strong>安装kubelet、kubeadm、kubectl</strong></p> <div class="language-bash extra-class"><pre class="language-bash"><code>yum <span class="token function">install</span> -y kubelet-1.15.0 kubeadm-1.15.0 kubectl-1.15.0
</code></pre></div><p>如下图所示</p> <p><img src="/assets/img/image-20190715085036593.55559549.png" alt="image-20190715085036593" title=":size=600x445"></p> <p>执行命令以应用</p> <div class="language-sh extra-class"><pre class="language-sh"><code>sysctl -p
</code></pre></div><p><strong>安装kubelet、kubeadm、kubectl</strong></p> <div class="language-bash extra-class"><pre class="language-bash"><code>yum <span class="token function">install</span> -y kubelet-1.15.0 kubeadm-1.15.0 kubectl-1.15.0
</code></pre></div><p><strong>修改docker Cgroup Driver为systemd</strong></p> <div class="language- extra-class"><pre class="language-text"><code>vim /usr/lib/systemd/system/docker.service
</code></pre></div><p>向其中他添加</p> <div class="language- extra-class"><pre class="language-text"><code>--exec-opt native.cgroupdriver=systemd
</code></pre></div><p>如下图所示</p> <p><img src="/assets/img/image2019-07-15_09.01.21.0e0d34f2.png" alt="屏幕快照 2019-07-15 09.01.21" title=":size=1000x326"></p> <p>重启 docker</p> <div class="language- extra-class"><pre class="language-text"><code>systemctl daemon-reload
@ -98,11 +99,11 @@ kubeadm <span class="token function">join</span> apiserver.demo:6443 --token mpf
</code></pre></div><p><img src="/assets/img/image-20190715193838012.eca23618.png" alt="image-20190715193838012"></p> <h2 id="移除-worker-节点"><a href="#移除-worker-节点" aria-hidden="true" class="header-anchor">#</a> 移除 worker 节点</h2> <div class="warning custom-block"><p>正常情况下，您无需移除 worker 节点，如果添加到集群出错，您可以移除 worker 节点，再重新尝试添加</p></div> <p>在准备移除的 worker 节点上执行</p> <div class="language-bash extra-class"><pre class="language-bash"><code>kubeadm reset
</code></pre></div><p>在 master 节点 demo-master-a-1 上执行</p> <div class="language-bash extra-class"><pre class="language-bash"><code>kubectl delete node demo-worker-x-x
</code></pre></div><div class="tip custom-block"><ul><li>将 demo-worker-x-x 替换为要移除的 worker 节点的名字</li> <li>worker 节点的名字可以通过在节点 demo-master-a-1 上执行 kubectl get nodes 命令获得</li></ul></div> <h2 id="安装-ingress-controller"><a href="#安装-ingress-controller" aria-hidden="true" class="header-anchor">#</a> 安装 Ingress Controller</h2> <blockquote><p>Ingress官方文档：https://kubernetes.io/docs/concepts/services-networking/ingress/</p> <p>Ingress Controllers官网介绍：https://kubernetes.io/docs/concepts/services-networking/ingress-controllers/</p> <p>本文中使用如下部署方式：https://kubernetes.github.io/ingress-nginx/deploy/baremetal/#using-a-self-provisioned-edge</p> <p>kubernetes支持多种Ingress Controllers，本文推荐使用 https://github.com/nginxinc/kubernetes-ingress</p></blockquote> <p><strong>在 demo-master-a-1 上执行</strong></p> <div class="language-bash extra-class"><pre class="language-bash"><code>kubectl apply -f https://raw.githubusercontent.com/eip-work/eip-monitor-repository/master/dashboard/nginx-ingress.yaml
</code></pre></div><p><strong>配置域名解析</strong></p> <p>将域名 *.demo.yourdomain.com 解析到 demo-worker-a-2 的 IP 地址 z.z.z.z （也可以是 demo-worker-a-1 的地址 y.y.y.y）</p> <div class="tip custom-block"><p>由于需要申请域名，过程会比较繁琐，有如下两种替代方案：</p> <ul><li>在您的客户端机器（访问部署在K8S上的 web 应用的浏览器所在的机器）设置 hosts 配置；</li> <li>暂时放弃域名的配置，临时使用 NodePort 或者 <code>kubectl port-forward</code> 的方式访问部署在 K8S 上的 web 应用</li></ul></div> <p><strong>验证配置</strong></p> <p>在浏览器访问 a.demo.yourdomain.com，将得到 404 NotFound 错误页面</p> <h2 id="下一步"><a href="#下一步" aria-hidden="true" class="header-anchor">#</a> 下一步</h2> <p>🎉 🎉 🎉</p> <p>您已经完成了 Kubernetes 集群的安装，下一步请：</p> <p><a href="/install/install-dashboard">安装 Kuboard</a></p></div> <footer class="page-edit"><div class="edit-link"><a href="https://github.com/eip-work/kuboard-press/edit/master/install/install-k8s.md" target="_blank" rel="noopener noreferrer">帮助我们改善此页面！</a> <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></div> <div class="last-updated"><span class="prefix">更新时间: </span> <span class="time">2019-07-29 07:47:18</span></div></footer> <div class="page-nav"><p class="inner"><!----> <span class="next"><a href="/install/install-kubernetes.html">
</code></pre></div><p><strong>配置域名解析</strong></p> <p>将域名 *.demo.yourdomain.com 解析到 demo-worker-a-2 的 IP 地址 z.z.z.z （也可以是 demo-worker-a-1 的地址 y.y.y.y）</p> <div class="tip custom-block"><p>由于需要申请域名，过程会比较繁琐，有如下两种替代方案：</p> <ul><li>在您的客户端机器（访问部署在K8S上的 web 应用的浏览器所在的机器）设置 hosts 配置；</li> <li>暂时放弃域名的配置，临时使用 NodePort 或者 <code>kubectl port-forward</code> 的方式访问部署在 K8S 上的 web 应用</li></ul></div> <p><strong>验证配置</strong></p> <p>在浏览器访问 a.demo.yourdomain.com，将得到 404 NotFound 错误页面</p> <h2 id="下一步"><a href="#下一步" aria-hidden="true" class="header-anchor">#</a> 下一步</h2> <p>🎉 🎉 🎉</p> <p>您已经完成了 Kubernetes 集群的安装，下一步请：</p> <p><a href="/install/install-dashboard">安装 Kuboard</a></p></div> <footer class="page-edit"><div class="edit-link"><a href="https://github.com/eip-work/kuboard-press/edit/master/install/install-k8s.md" target="_blank" rel="noopener noreferrer">帮助我们改善此页面！</a> <svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></div> <div class="last-updated"><span class="prefix">更新时间: </span> <span class="time">2019-07-29 13:59:15</span></div></footer> <div class="page-nav"><p class="inner"><!----> <span class="next"><a href="/install/install-kubernetes.html">
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