22 lines
3.4 KiB
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22 lines
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<title>83. Discovery</title><link rel="stylesheet" type="text/css" href="css/manual-multipage.css"><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="multi_spring-cloud.html" title="Spring Cloud"><link rel="up" href="multi__spring_cloud_for_cloud_foundry.html" title="Part XII. Spring Cloud for Cloud Foundry"><link rel="prev" href="multi__spring_cloud_for_cloud_foundry.html" title="Part XII. Spring Cloud for Cloud Foundry"><link rel="next" href="multi__single_sign_on_2.html" title="84. Single Sign On"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">83. Discovery</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi__spring_cloud_for_cloud_foundry.html">Prev</a> </td><th width="60%" align="center">Part XII. Spring Cloud for Cloud Foundry</th><td width="20%" align="right"> <a accesskey="n" href="multi__single_sign_on_2.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h2 class="title"><a name="_discovery" href="#_discovery"></a>83. Discovery</h2></div></div></div><p>Here’s a Spring Cloud app with Cloud Foundry discovery:</p><p><b>app.groovy. </b>
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</p><pre class="programlisting"><em><span class="hl-annotation" style="color: gray">@Grab('org.springframework.cloud:spring-cloud-cloudfoundry')</span></em>
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<em><span class="hl-annotation" style="color: gray">@RestController</span></em>
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<em><span class="hl-annotation" style="color: gray">@EnableDiscoveryClient</span></em>
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<span xmlns:d="http://docbook.org/ns/docbook" class="hl-keyword">class</span> Application {
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<em><span class="hl-annotation" style="color: gray">@Autowired</span></em>
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DiscoveryClient client
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<em><span class="hl-annotation" style="color: gray">@RequestMapping('/')</span></em>
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String home() {
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<span xmlns:d="http://docbook.org/ns/docbook" class="hl-string">'Hello from '</span> + client.getLocalServiceInstance()
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}
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}</pre><p>
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</p><p>If you run it without any service bindings:</p><pre class="screen">$ spring jar app.jar app.groovy
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$ cf push -p app.jar</pre><p>It will show its app name in the home page.</p><p>The <code class="literal">DiscoveryClient</code> can lists all the apps in a space, according to
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the credentials it is authenticated with, where the space defaults to
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the one the client is running in (if any). If neither org nor space
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are configured, they default per the user’s profile in Cloud Foundry.</p></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="multi__spring_cloud_for_cloud_foundry.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="multi__spring_cloud_for_cloud_foundry.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="multi__single_sign_on_2.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Part XII. Spring Cloud for Cloud Foundry </td><td width="20%" align="center"><a accesskey="h" href="multi_spring-cloud.html">Home</a></td><td width="40%" align="right" valign="top"> 84. Single Sign On</td></tr></table></div></body></html> |