/tags/etcd/ Recent content in Etcd on Laily's Note Hugo -- gohugo.io zh Wed, 15 Oct 2025 11:28:50 +0800 /post/k8s/etcd/ Wed, 15 Oct 2025 11:28:50 +0800 /post/k8s/etcd/ <h2 id="安装-etcdctl"> 安装 etcdctl <a href="#%e5%ae%89%e8%a3%85-etcdctl" class="h-anchor" aria-hidden="true">#</a> </h2> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>ETCD_VERSION<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;v3.5.5&#34;</span> </span></span><span style="display:flex;"><span>ETCD_URL<span style="color:#f92672">=</span><span style="color:#e6db74">&#34;https://github.com/etcd-io/etcd/releases/download/</span><span style="color:#e6db74">${</span>ETCD_VERSION<span style="color:#e6db74">}</span><span style="color:#e6db74">/etcd-</span><span style="color:#e6db74">${</span>ETCD_VERSION<span style="color:#e6db74">}</span><span style="color:#e6db74">-linux-amd64.tar.gz&#34;</span> </span></span><span style="display:flex;"><span>curl -sL <span style="color:#e6db74">${</span>ETCD_URL<span style="color:#e6db74">}</span> | sudo tar -zxv --strip-components<span style="color:#f92672">=</span><span style="color:#ae81ff">1</span> -C /usr/local/bin </span></span></code></pre></div><h2 id="etcdctl-命令"> etcdctl 命令 <a href="#etcdctl-%e5%91%bd%e4%bb%a4" class="h-anchor" aria-hidden="true">#</a> </h2> <p>k3s 里面的 etcd 需要一些配置，我会将这个下面的内容放到一个文件里，然后使用这个文件操作 etcd</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>ETCDCTL_API<span style="color:#f92672">=</span><span style="color:#ae81ff">3</span> etcdctl <span style="color:#ae81ff">\ </span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span> --endpoints<span style="color:#f92672">=</span>https://127.0.0.1:2379 <span style="color:#ae81ff">\ </span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span> --cacert<span style="color:#f92672">=</span>/var/lib/rancher/k3s/server/tls/etcd/server-ca.crt <span style="color:#ae81ff">\ </span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span> --cert<span style="color:#f92672">=</span>/var/lib/rancher/k3s/server/tls/etcd/server-client.crt <span style="color:#ae81ff">\ </span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span> --key<span style="color:#f92672">=</span>/var/lib/rancher/k3s/server/tls/etcd/server-client.key <span style="color:#ae81ff">\ </span></span></span><span style="display:flex;"><span><span style="color:#ae81ff"></span> $@ </span></span></code></pre></div><p>在 server 节点上添加上面的 shell，然后就可以使用 etcdctl 命令了。比如查看 etcd 节点 <code>bash ./etcd.sh member list</code></p>