https://linzeyan.github.io/zh-tw/categories/plugin/Recent content in Plugin on RickyHugo -- gohugo.iozh-twThu, 02 Dec 2021 13:28:09 +0800https://linzeyan.github.io/zh-tw/posts/2021/20211202-10252675/Thu, 02 Dec 2021 13:28:09 +0800https://linzeyan.github.io/zh-tw/posts/2021/20211202-10252675/<ul> <li><a href="https://ithelp.ithome.com.tw/articles/10252675" target="_blank" rel="noopener">Day 28 - Kubernetes 第三方好用工具介紹</a></li> </ul> <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-shell" data-lang="shell"><span style="display:flex;"><span>$ kubectl get pods </span></span><span style="display:flex;"><span>NAME READY STATUS RESTARTS AGE </span></span><span style="display:flex;"><span>ithome-6564f65698-947rv 1/1 Running <span style="color:#ae81ff">0</span> 84s </span></span><span style="display:flex;"><span>ithome-6564f65698-fglr9 1/1 Running <span style="color:#ae81ff">0</span> 84s </span></span><span style="display:flex;"><span>ithome-6564f65698-k5wtg 1/1 Running <span style="color:#ae81ff">0</span> 84s </span></span><span style="display:flex;"><span>ithome-6564f65698-rrvk4 1/1 Running <span style="color:#ae81ff">0</span> 84s </span></span><span style="display:flex;"><span>ithome-6564f65698-zhwlj 1/1 Running <span style="color:#ae81ff">0</span> 84s </span></span></code></pre></div><h4 id="sternkail"><a href="https://github.com/wercker/stern" target="_blank" rel="noopener">Stern</a>/Kail</h4> <blockquote> <p>創建出來的 Pod 名稱上面都會有一些不好閱讀的亂數</p> <p>如果使用 kubectl 來觀察個別 Pod 的 log 就必須要於不同的 pod 之間來回切換</p> <p>這方面的工具滿多的，譬如 Stern, Kube-tail, Kail 等都可以</p></blockquote> <p>上述範例會有五個 pod，而且這五個 pod 的名稱都是 ithome 開頭，因此我可以直接用 <code>stern ithom</code> 的方式來抓取這些 pod 的資訊，結果如下圖</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>$ stern ithome </span></span><span style="display:flex;"><span>... </span></span><span style="display:flex;"><span>ithome-6564f65698-zhwlj netutils Hello! <span style="color:#ae81ff">369</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-fglr9 netutils Hello! <span style="color:#ae81ff">369</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-947rv netutils Hello! <span style="color:#ae81ff">367</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-k5wtg netutils Hello! <span style="color:#ae81ff">368</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-rrvk4 netutils Hello! <span style="color:#ae81ff">369</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-zhwlj netutils Hello! <span style="color:#ae81ff">370</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-fglr9 netutils Hello! <span style="color:#ae81ff">370</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-947rv netutils Hello! <span style="color:#ae81ff">368</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-k5wtg netutils Hello! <span style="color:#ae81ff">370</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-rrvk4 netutils Hello! <span style="color:#ae81ff">370</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-zhwlj netutils Hello! <span style="color:#ae81ff">371</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-fglr9 netutils Hello! <span style="color:#ae81ff">371</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-947rv netutils Hello! <span style="color:#ae81ff">369</span> secs elapsed... </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>ithome-6564f65698-k5wtg netutils Hello! <span style="color:#ae81ff">371</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-rrvk4 netutils Hello! <span style="color:#ae81ff">371</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-zhwlj netutils Hello! <span style="color:#ae81ff">372</span> secs elapsed... </span></span><span style="display:flex;"><span>ithome-6564f65698-fglr9 netutils Hello! <span style="color:#ae81ff">372</span> secs elapsed... </span></span><span style="display:flex;"><span>^C </span></span></code></pre></div><h4 id="k9s">K9S</h4> <blockquote> <p>過往總是透過 kubectl 指令於各個資源，各 namespace 間切來切去，特別是要使用 <code>exec</code>, <code>get</code>, <code>describe</code>, <code>logs</code>, <code>delete</code> 等指令時，常常打的手忙腳亂或是覺得心累，有這種困擾的人可以考慮使用看看 k9s 這個工具</p>