https://blog.treesir.pub/categories/fix/Recent content in Fix on Zayn's BlogHugo -- gohugo.iozh-cnyangzun@treesir.pub (Zayn)yangzun@treesir.pub (Zayn)2021-2026 ZaynThu, 27 May 2021 08:59:56 +0800https://blog.treesir.pub/posts/rancher-upgrade-docker/Sat, 16 Jan 2021 14:39:59 +0800yangzun@treesir.pub (Zayn)https://blog.treesir.pub/posts/rancher-upgrade-docker/<h2 class="relative group">环境配置 <div id="环境配置" 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%8e%af%e5%a2%83%e9%85%8d%e7%bd%ae" aria-label="锚点">#</a> </span> </h2> <ul> <li><strong>操作系统</strong>：CentOS 7.9.2009</li> <li><strong>Docker 版本</strong>：18.09.9</li> </ul> <h2 class="relative group">问题复现 <div id="问题复现" 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="#%e9%97%ae%e9%a2%98%e5%a4%8d%e7%8e%b0" aria-label="锚点">#</a> </span> </h2> <h2 class="relative group">安装 Rancher <div id="安装-rancher" 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="#%e5%ae%89%e8%a3%85-rancher" aria-label="锚点">#</a> </span> </h2> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl">docker pull rancher/rancher:v2.3.5 </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl">docker run -d <span class="se">\ </span></span></span><span class="line"><span class="cl"><span class="se"></span>--restart<span class="o">=</span>unless-stopped <span class="se">\ </span></span></span><span class="line"><span class="cl"><span class="se"></span>--name rancher <span class="se">\ </span></span></span><span class="line"><span class="cl"><span class="se"></span>-p 80:80 -p 443:443 <span class="se">\ </span></span></span><span class="line"><span class="cl"><span class="se"></span>--privileged <span class="se">\ </span></span></span><span class="line"><span class="cl"><span class="se"></span>rancher/rancher:v2.3.5 </span></span></code></pre></div><p> <figure> <img class="my-0 rounded-md" loading="lazy" alt="image-20210116134244336" src="https://cdn.treesir.pub/img/image-20210116134244336.png"> </figure> </p>https://blog.treesir.pub/posts/quick-delete-rancher-failed-pod/Thu, 27 May 2021 08:59:56 +0800yangzun@treesir.pub (Zayn)https://blog.treesir.pub/posts/quick-delete-rancher-failed-pod/<h2 class="relative group">问题描述 <div id="问题描述" 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="#%e9%97%ae%e9%a2%98%e6%8f%8f%e8%bf%b0" aria-label="锚点">#</a> </span> </h2> <p>在 Rancher 管理的 Kubernetes 集群中，有时会出现副本集中的 Pod 部署失败的情况。如下图所示，失败的 Pod 数量可能达到上千个，手动逐一删除非常耗时。</p> <p> <figure> <img class="my-0 rounded-md" loading="lazy" alt="image-20210527085545254" src="https://cdn.treesir.pub/img/image-20210527085545254.png"> </figure> </p> <h2 class="relative group">解决方案 <div id="解决方案" 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="#%e8%a7%a3%e5%86%b3%e6%96%b9%e6%a1%88" aria-label="锚点">#</a> </span> </h2> <h2 class="relative group">批量删除失败的 Pod <div id="批量删除失败的-pod" 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%89%b9%e9%87%8f%e5%88%a0%e9%99%a4%e5%a4%b1%e8%b4%a5%e7%9a%84-pod" aria-label="锚点">#</a> </span> </h2> <p>使用 kubectl 命令批量删除状态为 <code>MatchNodeSelector</code> 的失败 Pod：</p>https://blog.treesir.pub/posts/n1-docker/Sun, 15 Nov 2020 16:09:10 +0800yangzun@treesir.pub (Zayn)https://blog.treesir.pub/posts/n1-docker/<h2 class="relative group">环境配置 <div id="环境配置" 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%8e%af%e5%a2%83%e9%85%8d%e7%bd%ae" aria-label="锚点">#</a> </span> </h2> <p>本文档基于以下环境配置进行部署：</p> <ul> <li><strong>宿主机 IP</strong>：192.168.8.102</li> <li><strong>OpenWrt 容器 IP</strong>：192.168.8.111 (macvlan 模式)</li> <li><strong>主路由网关</strong>：192.168.8.1</li> <li><strong>网络段</strong>：192.168.8.0/24</li> <li><strong>Docker 镜像</strong>：<code>raymondwong/openwrt_r9:21.2.1-arm64</code></li> <li><strong>操作系统</strong>：ARMBIAN</li> </ul> <h2 class="relative group">部署 OpenWrt 软路由 <div id="部署-openwrt-软路由" 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="#%e9%83%a8%e7%bd%b2-openwrt-%e8%bd%af%e8%b7%af%e7%94%b1" aria-label="锚点">#</a> </span> </h2> <h2 class="relative group">1. 安装 Docker Compose <div id="1-安装-docker-compose" 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="#1-%e5%ae%89%e8%a3%85-docker-compose" aria-label="锚点">#</a> </span> </h2> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-bash" data-lang="bash"><span class="line"><span class="cl"><span class="c1"># Debian/Ubuntu 系统</span> </span></span><span class="line"><span class="cl">apt install -y docker-compose </span></span><span class="line"><span class="cl"> </span></span><span class="line"><span class="cl"><span class="c1"># CentOS/RHEL 系统</span> </span></span><span class="line"><span class="cl">yum install -y docker-compose </span></span></code></pre></div> <h2 class="relative group">2. 创建配置文件 <div id="2-创建配置文件" 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="#2-%e5%88%9b%e5%bb%ba%e9%85%8d%e7%bd%ae%e6%96%87%e4%bb%b6" aria-label="锚点">#</a> </span> </h2> <p>首先创建工作目录并准备 Docker Compose 配置文件：</p>