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<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>LEON BLOG</title><link>https://liangml.github.io/</link><description>运维小站，分享些技术经验。</description><generator>Hugo 0.144.2 & FixIt v0.3.16-f66dc32e</generator><language>zh-CN</language><lastBuildDate>Tue, 07 Jan 2025 19:07:33 +0800</lastBuildDate><atom:link href="https://liangml.github.io/index.xml" rel="self" type="application/rss+xml"/><item><title>Kubernetes</title><link>https://liangml.github.io/posts/kubernetes/</link><pubDate>Tue, 07 Jan 2025 19:07:33 +0800</pubDate><guid>https://liangml.github.io/posts/kubernetes/</guid><category domain="https://liangml.github.io/categories/kubernetes/">Kubernetes</category><description><h2 id="资源清单格式" class="heading-element"><span>资源清单格式</span>
<a href="#%e8%b5%84%e6%ba%90%e6%b8%85%e5%8d%95%e6%a0%bc%e5%bc%8f" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h2><div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
<pre tabindex="0" class="chroma"><code><span class="lnt"> 1
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<td class="lntd">
<pre tabindex="0" class="chroma"><code class="language-yaml" data-lang="yaml"><span class="line"><span class="cl"><span class="nt">apiVersion</span><span class="p">:</span><span class="w"> </span><span class="l">group/apiversion # 指定当前的组和版本（写的资源清单具体去哪个路径下调代码）。如果没有给定 group 名称，那么默认为 core，可以使用 kubectl api-versions</span><span class="w"> </span><span class="c"># 获取当前 k8s 版本上所有的 apiVersion 版本信息( 每个版本可能不同 )</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"></span><span class="nt">kind</span><span class="p">:</span><span class="w"> </span><span class="l">Service </span><span class="w"> </span><span class="c">#资源类别</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"></span><span class="nt">metadata</span><span class="p">:</span><span class="w"> </span><span class="c">#资源元数据</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">pod-demo </span><span class="w"> </span><span class="c">#资源对象名称；</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">namespace</span><span class="p">:</span><span class="w"> </span><span class="l">default #使用名称级别的资源才需要填写；</span><span class="w"> </span><span class="c">#处于default名称空间下；</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">lables</span><span class="p">:</span><span class="w"> </span><span class="c">#标签，筛选操作；一般用于集群内部的筛选功能；</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">app</span><span class="p">:</span><span class="w"> </span><span class="l">myapp </span><span class="w"> </span><span class="c">#标签</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">annotations</span><span class="p">:</span><span class="w"> </span><span class="c"># 主要目的是方便用户阅读查找</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"></span><span class="nt">spec</span><span class="p">:</span><span class="w"> </span><span class="c"># 期望的状态（disired state）</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">containers</span><span class="p">:</span><span class="w"> </span><span class="c">#代表mainC；</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span>- <span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">myapp-1 </span><span class="w"> </span><span class="c">#mainC子对象1名称；列表开头使用 -开头</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l">wangyanglinux/myapp:v1</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span>- <span class="nt">name</span><span class="p">:</span><span class="w"> </span><span class="l">busybox-1 </span><span class="w"> </span><span class="c">#mainC子对象2名称；</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">image</span><span class="p">:</span><span class="w"> </span><span class="l">busybox:1.35.0</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span><span class="nt">command</span><span class="p">:</span><span class="w"> </span><span class="c">#此处代表的是ENTRYPOINT；</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span>- <span class="s2">&#34;/bin/sh&#34;</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span>- <span class="s2">&#34;-c&#34;</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"> </span>- <span class="s2">&#34;sleep 3600&#34;</span><span class="w">
</span></span></span><span class="line"><span class="cl"><span class="w"></span><span class="nt">status</span><span class="p">:</span><span class="w"> </span><span class="c"># 当前状态，本字段有 Kubernetes 自身维护，用户不能去定义</span></span></span></code></pre></td></tr></table>
</div>
</div><h2 id="字段格式配置" class="heading-element"><span>字段格式配置</span>
<a href="#%e5%ad%97%e6%ae%b5%e6%a0%bc%e5%bc%8f%e9%85%8d%e7%bd%ae" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h2><div class="highlight"><div class="chroma">
<table class="lntable"><tr><td class="lntd">
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<pre tabindex="0" class="chroma"><code class="language-shell" data-lang="shell"><span class="line"><span class="cl">apiVersion &lt;string&gt; <span class="c1">#表示字符串类型</span>
</span></span><span class="line"><span class="cl">metadata &lt;Object&gt; <span class="c1">#表示需要嵌套多层字段</span>
</span></span><span class="line"><span class="cl">labels &lt;map<span class="o">[</span>string<span class="o">]</span>string&gt; <span class="c1">#表示由k:v组成的映射</span>
</span></span><span class="line"><span class="cl">finalizers &lt;<span class="o">[]</span>string&gt; <span class="c1">#表示字串列表</span>
</span></span><span class="line"><span class="cl">ownerReferences &lt;<span class="o">[]</span>Object&gt; <span class="c1">#表示对象列表</span>
</span></span><span class="line"><span class="cl">hostPID &lt;boolean&gt; <span class="c1">#布尔类型</span>
</span></span><span class="line"><span class="cl">priority &lt;integer&gt; <span class="c1">#整型</span>
</span></span><span class="line"><span class="cl">name &lt;string&gt; -required- <span class="c1">#如果类型后面接 -required-，表示为必填字段</span></span></span></code></pre></td></tr></table>
</div>
</div><h2 id="常用资源清单格式定义" class="heading-element"><span>常用资源清单格式定义</span>
<a href="#%e5%b8%b8%e7%94%a8%e8%b5%84%e6%ba%90%e6%b8%85%e5%8d%95%e6%a0%bc%e5%bc%8f%e5%ae%9a%e4%b9%89" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h2><blockquote>
<p>Object ：对象，下方是对象的属性<br>
list：类别，下方包含多个数组，每个数组是一个对象<br>
String：字符串 后边直接跟value的值</p></blockquote>
<h3 id="通用字段" class="heading-element"><span>通用字段</span>
<a href="#%e9%80%9a%e7%94%a8%e5%ad%97%e6%ae%b5" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>version</td>
<td>String</td>
<td>这里是指的是K8S API的版本，目前基本上是v1，可以用kubectl apiversions命令音询</td>
</tr>
<tr>
<td>kind</td>
<td>String</td>
<td>这里指的是yamI文件定义的资源类型和角色，比如: Pod</td>
</tr>
<tr>
<td>metadata</td>
<td>Object</td>
<td>元数据对象，固定值就写metadata</td>
</tr>
<tr>
<td>Spec</td>
<td>bject</td>
<td>详细定义对象，固定值就写Spec</td>
</tr>
</tbody>
</table>
<h3 id="metadate相关字段" class="heading-element"><span>metadate相关字段</span>
<a href="#metadate%e7%9b%b8%e5%85%b3%e5%ad%97%e6%ae%b5" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>metadata</td>
<td>Object</td>
<td>元数据对象，固定值就写metadata</td>
</tr>
<tr>
<td>metadata.name</td>
<td>String</td>
<td>元数据对象的名字，这里由我们编写，比如命名Pod的名字</td>
</tr>
<tr>
<td>metadata.lables</td>
<td>list</td>
<td>标签列表。有key=value组成</td>
</tr>
</tbody>
</table>
<h3 id="pod相关字段" class="heading-element"><span>pod相关字段</span>
<a href="#pod%e7%9b%b8%e5%85%b3%e5%ad%97%e6%ae%b5" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.restartPolicy</td>
<td>String</td>
<td>定义Pod的重启策略，可选值为Always、OnFailure，默认值为Always。1.Always: Pod一旦终止运行，则无论容器是如何终止的，kubelet服务都将重启它。2.OnFailure: 只有Pod以非零退出码终止时，kubelet才会重启该容器。如果容器正常结束 (退出码为0) ，则kubelet将不会重启它3.Never: Pod终止后，kubelet将退出码报告给Master，不会重启该Pod.</td>
</tr>
<tr>
<td>spec.nodeSelector</td>
<td>Object</td>
<td>定义Node的Label过滤标签，以key:value格式指定</td>
</tr>
<tr>
<td>spec.imagePullSecrets</td>
<td>Object</td>
<td>定义pull镜像时使用secret名称，以name:secretkey格式指定</td>
</tr>
<tr>
<td>spec.hostNetwork</td>
<td>Boolean</td>
<td>定义是否使用主机网络模式，默认值为false。设置true表示使用宿主机网络，不使用docker网桥，同时设置了true将无法在同一台宿主机上启动第二个副本。</td>
</tr>
<tr>
<td>sepc.NodeName</td>
<td>string</td>
<td>定义pod要调度的节点，可以忽略污点，还是要预选、优选。</td>
</tr>
</tbody>
</table>
<h4 id="mainc字段" class="heading-element"><span>mainC字段</span>
<a href="#mainc%e5%ad%97%e6%ae%b5" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h4><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.containers[]</td>
<td>list</td>
<td>这里是Spec对象的容器列表定义，是个列表</td>
</tr>
<tr>
<td>spec.containers[].name</td>
<td>String</td>
<td>这里定义容器的名字</td>
</tr>
<tr>
<td>spec.containers[].image</td>
<td>String</td>
<td>这里定义要用到的镜像名称</td>
</tr>
<tr>
<td>spec.containers[].imagePullPolicy</td>
<td>String</td>
<td>定义镜像拉取策略，有Always、Never、lfNotPresent三个值可选 (1) Aways: 意思是每次都尝试重新拉取镜像 (2) Never: 表示仅使用本地镜像 (3) lfNotPresent: 如果本地有镜像就使用本地镜像，没有就拉取在线镜像。上面三个值都没设置的话，默认是Always。</td>
</tr>
<tr>
<td>spec.containers[].command[]</td>
<td>List</td>
<td>指定容器启动命令，因为是数组可以指定多个，不指定则使用镜像打包时使用的启动命令</td>
</tr>
<tr>
<td>spec.containers[].args[]</td>
<td>List</td>
<td>指定容器启动命令参数，因为是数组可以指定多个。</td>
</tr>
<tr>
<td>spec.containers[].workingDir</td>
<td>string</td>
<td>指定容器的工作目录</td>
</tr>
<tr>
<td>spec.containers[].volumeMounts[]</td>
<td>List</td>
<td>指定容器内部的存储卷配置</td>
</tr>
<tr>
<td>spec.containers[].volumeMounts[].name</td>
<td>String</td>
<td>指定可以被容器挂载的存储卷的名称</td>
</tr>
<tr>
<td>spec.containers[].volumeMounts[].mountPath</td>
<td>string</td>
<td>指定可以被容器挂载的存储卷的路径</td>
</tr>
<tr>
<td>spec.containers[].volumeMounts[].readOnly</td>
<td>string</td>
<td>设置存储卷路径的读写模式，ture 或者false默认为读写模式</td>
</tr>
<tr>
<td>spec.containers[].ports[]</td>
<td>List</td>
<td>指定容器需要用到的端口列表</td>
</tr>
<tr>
<td>spec.containers[].ports[].name</td>
<td>String</td>
<td>指定端口名称</td>
</tr>
<tr>
<td>spec.containers[].ports[].containerPort</td>
<td>String</td>
<td>指定容器需要监听的端口号</td>
</tr>
<tr>
<td>spec.containers[].ports[].hostPort</td>
<td>String</td>
<td>指定容器所在主机需要监听的端口号，默认跟上面containerPort相同，注意设置了hostPort同一台主机无法启动该容器的相同副本 (因为主机的端口号不能相同，这样会冲突)</td>
</tr>
<tr>
<td>spec.containers[].ports[].protocol</td>
<td>String</td>
<td>指定端口协议，支持TCP和UDP，默认值为TCP</td>
</tr>
<tr>
<td>spec.containers[].env[]</td>
<td>List</td>
<td>指定容器运行前需设置的环境变量列表</td>
</tr>
<tr>
<td>spec.containers[].env[].name</td>
<td>string</td>
<td>指定环境变量名称</td>
</tr>
<tr>
<td>spec.containers[].env[].value</td>
<td>String</td>
<td>指定环境变量值</td>
</tr>
<tr>
<td>spec.containers[].resources</td>
<td>Object</td>
<td>指定资源限制和资源请求的值 (这里开始就是设置容器的资源上限)</td>
</tr>
<tr>
<td>spec.containers[].resources.limits</td>
<td>Object</td>
<td>指定设置容器运行时资源的运行上限</td>
</tr>
<tr>
<td>spec.containers[].resources.limits.cpu</td>
<td>String</td>
<td>指定CPU的限制，单位为core数，将用于docker run &ndash;cpu-shares参数 (这里前面文章Pod资源限制有讲过)</td>
</tr>
<tr>
<td>spec.containers[].resources.limits.memory</td>
<td>String</td>
<td>指定MEM内存的限制，单位为MIB、GiB</td>
</tr>
<tr>
<td>spec.containers[].resources.requests</td>
<td>Object</td>
<td>指定容器启动和调度时的限制设置</td>
</tr>
<tr>
<td>spec.containers[].resources.requests.cpu</td>
<td>String</td>
<td>CPU请求，单位为core数，容器启动时初始化可用数量</td>
</tr>
<tr>
<td>spec.containers[].resources.requests.memory</td>
<td>String</td>
<td>内存请求，单位为MIB、GiB，容器启动的初始化可用数量</td>
</tr>
</tbody>
</table>
<h4 id="就绪探针" class="heading-element"><span>就绪探针</span>
<a href="#%e5%b0%b1%e7%bb%aa%e6%8e%a2%e9%92%88" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h4><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.containers.readinessProbe</td>
<td>Object</td>
<td>定义容器的就绪探测策略。有三种模式可选:<br/>exec：返回码为0为就绪<br/>tcpsoket：tcp 对应检测端口响应成功为就绪<br/>httpget：返回码 &gt;= 200 &amp;&amp; &lt; 400 为就绪</td>
</tr>
<tr>
<td>spec.containers.readinessProbe.exec</td>
<td>list</td>
<td>定义容器的就绪探测策略为exec。</td>
</tr>
<tr>
<td>spec.containers.readinessProbe.exec.command</td>
<td>List</td>
<td>exec所对应的命令</td>
</tr>
<tr>
<td>spec.containers.readinessProbe.initialDelaySeconds</td>
<td>init</td>
<td>探测开始时间</td>
</tr>
<tr>
<td>spec.containers.readinessProbe.periodSeconds</td>
<td>init</td>
<td>探测间隔时间。s为单位</td>
</tr>
</tbody>
</table>
<h4 id="存活探针" class="heading-element"><span>存活探针</span>
<a href="#%e5%ad%98%e6%b4%bb%e6%8e%a2%e9%92%88" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h4><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.containers.livenessProbe</td>
<td>object</td>
<td>定义容器的就绪探测策略。有三种模式可选:<br/>exec：返回码为0为就绪<br/>tcpsoket：tcp 对应检测端口响应成功为就绪<br/>httpget：返回码 &gt;= 200 &amp;&amp; &lt; 400 为就绪</td>
</tr>
<tr>
<td>spec.containers.livenessProbe.httpGet</td>
<td>object</td>
<td>定义容器的就绪探测策略为httpGet。</td>
</tr>
<tr>
<td>spec.containers.livenessProbe.httpGet.port</td>
<td>init</td>
<td>探测的端口</td>
</tr>
<tr>
<td>spec.containers.livenessProbe.httpGet.path</td>
<td>string</td>
<td>探测的文件。根为网页根路径</td>
</tr>
<tr>
<td>spec.containers.livenessProbe.initialDelaySeconds</td>
<td>init</td>
<td>探测开始时间</td>
</tr>
<tr>
<td>spec.containers.livenessProbe.periodSeconds</td>
<td>init</td>
<td>探测间隔时间。s为单位</td>
</tr>
<tr>
<td>spec.containers.livenessProbe.timeoutSeconds</td>
<td>init</td>
<td>探测超时时间，超时后就是探测失败</td>
</tr>
</tbody>
</table>
<h4 id="钩子字段" class="heading-element"><span>钩子字段</span>
<a href="#%e9%92%a9%e5%ad%90%e5%ad%97%e6%ae%b5" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h4><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.containers.lifecycle</td>
<td>object</td>
<td>定义钩子</td>
</tr>
<tr>
<td>spec.containers.lifecycle.postStart</td>
<td>object</td>
<td>定义启动后的钩子</td>
</tr>
<tr>
<td>spec.containers.lifecycle.preStop</td>
<td>object</td>
<td>定义退出前钩子</td>
</tr>
<tr>
<td>spec.containers.lifecycle.postStart.exec</td>
<td>object</td>
<td>定义启动后的钩子动作为命令</td>
</tr>
<tr>
<td>spec.containers.lifecycle.postStart.exec.command</td>
<td>list</td>
<td>定义启动后的钩子详细动作</td>
</tr>
</tbody>
</table>
<h4 id="initc字段" class="heading-element"><span>initC字段</span>
<a href="#initc%e5%ad%97%e6%ae%b5" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h4><blockquote>
<p>与容器字段通过，只不过把containers换成initcontainers</p></blockquote>
<table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.initcontainers[]</td>
<td>list</td>
<td>这里是Spec对象的容器列表定义，是个列表，定义initC容器</td>
</tr>
<tr>
<td>spec.initcontainers[].name</td>
<td>String</td>
<td>这里定义容器的名字</td>
</tr>
<tr>
<td>spec.initcontainers[].image</td>
<td>String</td>
<td>这里定义要用到的镜像名称</td>
</tr>
<tr>
<td>spec.initcontainers[].command[]</td>
<td>List</td>
<td>指定容器启动命令，因为是数组可以指定多个，不指定则使用镜像打包时使用的启动命令</td>
</tr>
</tbody>
</table>
<h3 id="控制器通用字段" class="heading-element"><span>控制器通用字段</span>
<a href="#%e6%8e%a7%e5%88%b6%e5%99%a8%e9%80%9a%e7%94%a8%e5%ad%97%e6%ae%b5" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.replicas</td>
<td>init</td>
<td>副本数（pod数量）</td>
</tr>
<tr>
<td>spec.template</td>
<td>object</td>
<td>pod模板，内容就是pod中的字段内容</td>
</tr>
<tr>
<td>spec.selector</td>
<td>object</td>
<td>标签匹配（用来区分是谁的pod），将适合的pod加入到该该控制器下 内容是：标签：值</td>
</tr>
<tr>
<td>spec.minReadySeconds</td>
<td>init</td>
<td>用定义新建的 Pod 经过多少秒后才被视为可用，默认为0。</td>
</tr>
<tr>
<td>spec.backoffLimit</td>
<td>init</td>
<td>失败次数达到指定次数之后进入懒启动状态（重建间隔时间长）</td>
</tr>
</tbody>
</table>
<h4 id="标签选择标签选择器" class="heading-element"><span>标签选择—标签选择器</span>
<a href="#%e6%a0%87%e7%ad%be%e9%80%89%e6%8b%a9%e6%a0%87%e7%ad%be%e9%80%89%e6%8b%a9%e5%99%a8" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h4><blockquote>
<p>处理RC其他都支持</p></blockquote>
<table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.selector</td>
<td>object</td>
<td>标签匹配（用来区分是谁的pod），将适合的pod加入到该该控制器下</td>
</tr>
<tr>
<td>spec.selector.matchLabels[]</td>
<td>list</td>
<td>集合式的标签匹配（用来区分是谁的pod），将适合的pod加入到该该控制器下内容是：标签：值（RS支持）</td>
</tr>
<tr>
<td>spec.selector.matchExpressions[]</td>
<td>object</td>
<td>支持运算符匹配进行标签选择（用来区分是谁的pod），将适合的pod加入到该该控制器下<br/>内容是：<br/>key： xxxx<br/>operator: 运算符<br/>vlaues：<br/>- xxxx</td>
</tr>
<tr>
<td>spec.selector.matchExpressions[].key</td>
<td>string</td>
<td>标签选择器的key字段</td>
</tr>
<tr>
<td>spec.selector.matchExpressions.operator</td>
<td>string</td>
<td>标签选择的运算符，有In、NotIn、Exists、DoesNotExist 四个值可选<br/>In ：label 的值在某个列表中（根据value的值进行选择）<br/>NotIn ：label 的值不在某个列表中<br/>Exists ：某个 label 存在（根据key进行选择）<br/>DoesNotExist：某个 label 不存在</td>
</tr>
<tr>
<td>spec.selector.matchExpressions[].values</td>
<td>list</td>
<td>标签选择器下的value字段</td>
</tr>
</tbody>
</table>
<h3 id="rc-控制器" class="heading-element"><span>RC 控制器</span>
<a href="#rc-%e6%8e%a7%e5%88%b6%e5%99%a8" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.selector</td>
<td>list</td>
<td>标签匹配（用来区分是谁的pod），将适合的pod加入到该该控制器下 内容是：标签：值</td>
</tr>
</tbody>
</table>
<ul>
<li>RC （ReplicationController ）主要的作用就是用来确保容器应用的副本数始终保持在用户定义的副本数
。即如果有容器异常退出，会自动创建新的Pod来替代；而如果异常多出来的容器也会自动回收（回收最晚创建的）</li>
<li>根据标签确认是否输入控制器</li>
<li>不支持集合式的标签匹配</li>
</ul>
<h3 id="rs控制器" class="heading-element"><span>RS控制器</span>
<a href="#rs%e6%8e%a7%e5%88%b6%e5%99%a8" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.minReadySeconds</td>
<td>init</td>
<td>用定义新建的 Pod 经过多少秒后才被视为可用，默认为0。</td>
</tr>
<tr>
<td>spec.selector.matchLabels[]</td>
<td>list</td>
<td>集合式的标签匹配（用来区分是谁的pod），将适合的pod加入到该该控制器下内容是：标签：值（RS支持）</td>
</tr>
<tr>
<td>spec.selector.matchExpressions[]</td>
<td>object</td>
<td>支持运算符匹配进行标签选择（用来区分是谁的pod），将适合的pod加入到该该控制器下<br/>内容是：<br/>key： xxxx<br/>operator: 运算符<br/>vlaues：xxxx</td>
</tr>
<tr>
<td>spec.selector.matchExpressions[].key</td>
<td>string</td>
<td>标签选择器的key字段</td>
</tr>
<tr>
<td>spec.selector.matchExpressions.operator</td>
<td>string</td>
<td>标签选择的运算符，有In、NotIn、Exists、DoesNotExist 四个值可选<br/>In ：label 的值在某个列表中（根据value的值进行选择）<br/>NotIn ：label 的值不在某个列表中<br/>Exists ：某个 label 存在（根据key进行选择）<br/>DoesNotExist：某个 label 不存在</td>
</tr>
<tr>
<td>spec.selector.matchExpressions[].values</td>
<td>list</td>
<td>标签选择器下的value字段</td>
</tr>
</tbody>
</table>
<h3 id="deployment控制器" class="heading-element"><span>deployment控制器</span>
<a href="#deployment%e6%8e%a7%e5%88%b6%e5%99%a8" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.minReadySeconds</td>
<td>init</td>
<td>用定义新建的 Pod 经过多少秒后才被视为可用，默认为0。</td>
</tr>
<tr>
<td>spec.selector</td>
<td>list</td>
<td>默认标签选择器。默认是matchLabels子集形式进行匹配</td>
</tr>
<tr>
<td>spec.selector.matchLabels[]</td>
<td>list</td>
<td>集合式的标签匹配（用来区分是谁的pod），将适合的pod加入到该该控制器下内容是：标签：值</td>
</tr>
<tr>
<td>spec.selector.matchExpressions[]</td>
<td>object</td>
<td>支持运算符匹配进行标签选择（用来区分是谁的pod），将适合的pod加入到该该控制器下<br/>内容是：<br/>key： xxxx<br/>operator: 运算符<br/>vlaues：xxxx</td>
</tr>
<tr>
<td>spec.selector.matchExpressions[].key</td>
<td>string</td>
<td>标签选择器的key字段</td>
</tr>
<tr>
<td>spec.selector.matchExpressions.operator</td>
<td>string</td>
<td>标签选择的运算符，有In、NotIn、Exists、DoesNotExist 四个值可选<br/>In ：label 的值在某个列表中（根据value的值进行选择）<br/>NotIn ：label 的值不在某个列表中<br/>Exists ：某个 label 存在（根据key进行选择）<br/>DoesNotExist：某个 label 不存在<br/>spec.selector.matchExpressions[].values list 标签选择器下的value字段<br/>sepc.revisionHistoryLimit init 设置保留的滚动更新历史版本数量，默认值为2147483647,表示保存所有历史版本<br/>spec.strategy.type string 部署类型，可以选择 的值为ecreate (字母开头大写) 或 RollingUpdate , 默认为 RollingUpdate 。</td>
</tr>
<tr>
<td>Deployment.spec.strategy.Recreate</td>
<td></td>
<td>滚动更新方式为重建</td>
</tr>
<tr>
<td>Deployment.spec.strategy.rollingUpdate</td>
<td>映射</td>
<td>滚动更新方式为滚动更新</td>
</tr>
<tr>
<td>Deployment.spec.strategy.rollingUpdate.maxSurge</td>
<td>init</td>
<td>设置更新时pod最多多几个（或者指定百分比）</td>
</tr>
<tr>
<td>Deployment.spec.strategy.rollingUpdate.maxUnavailable</td>
<td>init</td>
<td>设置更新时pod最多几个不可用（或者指定百分比）</td>
</tr>
<tr>
<td>Deployment.spec.revisonHistoryLimit</td>
<td>init</td>
<td>指定 deployment 最多保留多少 镜像版本修改的历史记录。默认的会保留所有的 revision；如果将该项设置为0，Deployment 就不允许回退了</td>
</tr>
</tbody>
</table>
<h3 id="job控制器" class="heading-element"><span>job控制器</span>
<a href="#job%e6%8e%a7%e5%88%b6%e5%99%a8" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>spec.template</td>
<td>–</td>
<td>格式同Pod相同</td>
</tr>
<tr>
<td>spec.template.spec.restartPolicy</td>
<td>String</td>
<td>仅支持Never或OnFailure，需要修改<br/>定义Pod的重启策略，可选值为Always、OnFailure，默认值为Always。<br/>1.Always: Pod一旦终止运行，则无论容器是如何终止的，kubelet服务都将重启它。<br/>2.OnFailure: 只有Pod以非零退出码终止时，kubelet才会重启该容器。如果容器正常结束 (退出码为0) ，则kubelet将不会重启它<br/>3.Never: Pod终止后，kubelet将退出码报告给Master，不会重启该Pod.</td>
</tr>
<tr>
<td>spec.completions</td>
<td>init</td>
<td>标志Job结束需要成功运行的Pod个数，默认为1</td>
</tr>
<tr>
<td>spec.parallelism</td>
<td>init</td>
<td>标志并行运行的Pod的个数，默认为1</td>
</tr>
<tr>
<td>spec.activeDeadlineSeconds</td>
<td>init</td>
<td>标志失败Pod的重试最大时间，超过这个时间不会继续重试。秒为单位</td>
</tr>
</tbody>
</table>
<h3 id="cronjob控制器" class="heading-element"><span>CronJob控制器</span>
<a href="#cronjob%e6%8e%a7%e5%88%b6%e5%99%a8" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>.spec.schedule</td>
<td>string</td>
<td>调度，必需字段，指定任务运行周期，格式同 Cron。如：“*/1 * * * *”</td>
</tr>
<tr>
<td>spec.completions</td>
<td>init</td>
<td>标志Job结束需要成功运行的Pod个数，默认为1</td>
</tr>
<tr>
<td>spec.parallelism</td>
<td>init</td>
<td>标志并行运行的Pod的个数，默认为1</td>
</tr>
<tr>
<td>spec.concurrencyPolicy</td>
<td>string</td>
<td>-并发策略，该字段也是可选的。它指定了如何处理被 Cron Job 创建的 Job 的并发执行。只允许指定下面策略中的一种：<br/>Allow（默认）：允许并发运行 Job<br/>Forbid：禁止并发运行，如果前一个还没有完成，则直接跳过下一个<br/>Replace：取消当前正在运行的 Job，用一个新的来替换</td>
</tr>
<tr>
<td>spec.suspend</td>
<td>string</td>
<td>挂起，该字段也是可选的。有true、false两个值可以选择。如果设置为 true，后续所有执行都会被挂起。它对已经开始执行的 Job 不起作用。默认值为 false</td>
</tr>
<tr>
<td>spec.successfulJobsHistoryLimit</td>
<td>init</td>
<td>历史限制。是可选的字段。它们指定了可以保留多少完成的 Job。默认为3</td>
</tr>
<tr>
<td>spec.failedJobsHistoryLimit</td>
<td>init</td>
<td>历史限制。是可选的字段。它们指定了可以保留多少失败的 Job。默认为0</td>
</tr>
<tr>
<td>spec.activeDeadlineSeconds</td>
<td>init</td>
<td>标志失败Pod的重试最大时间，超过这个时间不会继续重试。该字段是可选的。如果因为任何原因而错过了被调度的时间，那么错过执行时间的 Job 将被认为是失败。秒为单位</td>
</tr>
<tr>
<td>spec.jobTemplate</td>
<td>object</td>
<td>的。如果没有指定，则没有期限Job 模板，必需字段，指定需要运行的任务，格式同 Job<br/>jobTemplate.spec.template – 格式同Pod相同<br/>jobTemplate.spec.template.spec.restartPolicy String 仅支持Never或OnFailure，需要修改<br/>定义Pod的重启策略，可选值为Always、OnFailure，默认值为Always。<br/>1.Always: Pod一旦终止运行，则无论容器是如何终止的，kubelet服务都将重启它。<br/>2.OnFailure: 只有Pod以非零退出码终止时，kubelet才会重启该容器。如果容器正常结束 (退出码为0) ，则kubelet将不会重启它<br/>3.Never: Pod终止后，kubelet将退出码报告给Master，不会重启该Pod.</td>
</tr>
</tbody>
</table>
<h3 id="service" class="heading-element"><span>service</span>
<a href="#service" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>是否必选</th>
<th>取值说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>.apiVersion</td>
<td>string</td>
<td>Required v1</td>
<td></td>
</tr>
<tr>
<td>.kind</td>
<td>string</td>
<td>Required Service</td>
<td></td>
</tr>
<tr>
<td>.metadata</td>
<td>object</td>
<td>Required 元数据</td>
<td></td>
</tr>
<tr>
<td>.metadata.name</td>
<td>string</td>
<td>Required Service名称，需符合RFC 1035规范</td>
<td></td>
</tr>
<tr>
<td>.metadata.namespace</td>
<td>string</td>
<td>Required 命名空间，不指定系统时将使用名为default的命名空间</td>
<td></td>
</tr>
<tr>
<td>.metadata.labels []</td>
<td>list</td>
<td>自定义标签属性列表</td>
<td></td>
</tr>
<tr>
<td>.metadata.annotation[]</td>
<td>list</td>
<td>自定义注解属性列表</td>
<td></td>
</tr>
<tr>
<td>.spec</td>
<td>object</td>
<td>Required 期望描述</td>
<td></td>
</tr>
<tr>
<td>.spec.selector[]</td>
<td>list</td>
<td>Required Label Selector配置，将选择具有指定Label标签的Pod作为管理范围</td>
<td></td>
</tr>
<tr>
<td>.spec.type</td>
<td>string</td>
<td>Requited Service的类型，指定Service的防问方式，默认值为ClusterIP。取值可有：ClusterIP、NodePort、LoadBalancer。</td>
<td></td>
</tr>
<tr>
<td>.spec.clusterIP</td>
<td>string</td>
<td>虚拟服务的IP地址，当type=ClusterIP时，如果不指定，则系统自动分配，也可以手工分配；当type=LoadBalancer时，需要指定</td>
<td></td>
</tr>
<tr>
<td>.spec.sessionAffinity</td>
<td>string</td>
<td>会话保持字段是否支持Session,可选值为ClientIP,默认值为None。ClientIP:表示将同一个客户端（根据客户端的IP地址决定）的访问请求都转发到同一个后端Pod</td>
<td></td>
</tr>
<tr>
<td>.spec.ports[]</td>
<td>list</td>
<td>Service端口列表</td>
<td></td>
</tr>
<tr>
<td>.spec.ports[].name</td>
<td>string</td>
<td>端口名称</td>
<td></td>
</tr>
<tr>
<td>.spec.ports[].protocol</td>
<td>string</td>
<td>端口协议，支持TCP和UDP，默认值为TCP</td>
<td></td>
</tr>
<tr>
<td>.spec.ports[].port</td>
<td>int</td>
<td>服务监听的端口号</td>
<td></td>
</tr>
<tr>
<td>.spec.ports[].targetPort</td>
<td>int</td>
<td>需要转发到后端Pod的端口号</td>
<td></td>
</tr>
<tr>
<td>.spec.ports[].nodePort</td>
<td>int</td>
<td>当spec.type=NodePort时，指定映射到宿主机的端口号</td>
<td></td>
</tr>
<tr>
<td>.status</td>
<td>object</td>
<td>当spec.type=LoadBalancer时，设置外部负载均衡器的地址</td>
<td></td>
</tr>
<tr>
<td>.status.loadBalancer</td>
<td>object</td>
<td>外部负载均衡器</td>
<td></td>
</tr>
<tr>
<td>.status.loadBalancer.ingress</td>
<td>object</td>
<td>外部负载均衡器</td>
<td></td>
</tr>
<tr>
<td>.status.loadBalancer.ingress.ip</td>
<td>string</td>
<td>外部负载均衡器的IP地址</td>
<td></td>
</tr>
<tr>
<td>.status.loadBalancer.ingress.hostname</td>
<td>string</td>
<td>外部负载均衡器的主机名</td>
<td></td>
</tr>
</tbody>
</table>
<h3 id="endpoint" class="heading-element"><span>Endpoint</span>
<a href="#endpoint" class="heading-mark">
<svg class="octicon octicon-link" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path d="m7.775 3.275 1.25-1.25a3.5 3.5 0 1 1 4.95 4.95l-2.5 2.5a3.5 3.5 0 0 1-4.95 0 .751.751 0 0 1 .018-1.042.751.751 0 0 1 1.042-.018 1.998 1.998 0 0 0 2.83 0l2.5-2.5a2.002 2.002 0 0 0-2.83-2.83l-1.25 1.25a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042Zm-4.69 9.64a1.998 1.998 0 0 0 2.83 0l1.25-1.25a.751.751 0 0 1 1.042.018.751.751 0 0 1 .018 1.042l-1.25 1.25a3.5 3.5 0 1 1-4.95-4.95l2.5-2.5a3.5 3.5 0 0 1 4.95 0 .751.751 0 0 1-.018 1.042.751.751 0 0 1-1.042.018 1.998 1.998 0 0 0-2.83 0l-2.5 2.5a1.998 1.998 0 0 0 0 2.83Z"></path></svg>
</a>
</h3><blockquote>
<p>作用：连接外部服务值本地svc
原理：只有配置了 selector 的 service 才会自动创建一个同名的 endpoints，没有配置 selector 的 service 不会产生 endpoints
资源对象</p></blockquote>
<table>
<thead>
<tr>
<th>参数名</th>
<th>字段类型</th>
<th>说明</th>
</tr>
</thead>
<tbody>
<tr>
<td>metadata.name</td>
<td>string</td>
<td>必需字段，必须与要匹配的svc名字完全一致，并且在同一名字空间中</td>