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<h1 id="inspector">使用 inspector 模块查看契约</h1>
<p>inspector 提供了用户查看、下载契约，生成文档和对API接口进行测试的功能。这个功能直接在微服务提供，用于弥补通过服务中心查看契约和对接口进行测试的不足。inspector功能后续会做进一步增强，除了管理契约，还可以观察微服务的内部状态，帮助定位一些常见问题。</p>
<h2 id="inspector_1">启用inspector</h2>
<p>在项目中启用inspector很简单，只需要在pom中增加如下依赖即可。 </p>
<pre><code>&lt;dependency&gt;
&lt;groupId&gt;org.apache.servicecomb&lt;/groupId&gt;
&lt;artifactId&gt;inspector&lt;/artifactId&gt;
&lt;/dependency&gt;
</code></pre>
<p>如果项目中依赖了 solution-basic , 这个模块会自动包含进来。</p>
<p>引入依然后启动微服务即可使用相关契约管理功能。下面假设微服务监听的端口为8080。</p>
<h2 id="inspector_2">使用inspector功能</h2>
<p>inspector提供了管理界面，集成了swagger编辑器。输入 http://localhost:8080/inspector/index.html 后，出现如下界面。</p>
<p><strong><em>SWAGER编辑界面</em></strong></p>
<p><img alt="" src="../assets/inspector-01.png" /></p>
<p>在SWAGGER编辑界面，可以对接口进行测试。</p>
<p><strong><em>HTML界面</em></strong></p>
<p><img alt="" src="../assets/inspector-02.png" /></p>
<p>HTML页面提供了更容易读写的格式，方便开发者查看接口说明。</p>
<p>输入 http://localhost:8080/inspector/schemas 可以查询所有的schema列表</p>
<pre><code class="language-json">[&quot;goodsRepositoryApi&quot;,&quot;goodsService&quot;,&quot;onlineMallApi&quot;,&quot;stockApi&quot;,&quot;goodsCategoryApi&quot;,&quot;goodsPriceApi&quot;]
</code></pre>
<p>输入 <code>http://localhost:8080/inspector/download/schemas?format=HTML</code> 可以下载文档。format支持HTML和SWAGGER两种格式。这个接口会下载所有契约文件，打包为zip格式。</p>
<p>输入 <code>http://localhost:8080/inspector/schemas/goodsService?download=false&amp;format=HTML</code> 可以查看、下载单个契约文件。</p>
<h2 id="inspector_3">保护 inspector 接口的访问控制</h2>
<p>该功能被设计为辅助开发、设计、运维，第一次访问的时候加载很慢，不建议开放给最终用户大规模并发访问使用。 如果在生产环境带入
这个功能，可以通过必要的隔离措施和访问控制，限制最终用户对于这个接口的访问。</p>
<p>可以使用 java-chassis 提供的线程池隔离功能， 将这个服务放到独立的线程池，避免对其他服务的访问产生影响。具体操作步骤包括，</p>
<p>定义线程池：</p>
<pre><code> &lt;bean id=&quot;servicecomb.samples.executor.groupThreadPool&quot; class=&quot;org.apache.servicecomb.core.executor.GroupExecutor&quot;
init-method=&quot;init&quot;/&gt;
</code></pre>
<p>启用线程池:</p>
<pre><code class="language-json">servicecomb:
executors:
Provider:
inspector: servicecomb.samples.executor.groupThreadPool
</code></pre>
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