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<title>140. Pod Health Indicator</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_kubernetes.html" title="Part XVII. Spring Cloud Kubernetes"><link rel="prev" href="multi__kubernetes_ecosystem_awareness.html" title="139. Kubernetes Ecosystem Awareness"><link rel="next" href="multi__leader_election.html" title="141. Leader Election"></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">140. Pod Health Indicator</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="multi__kubernetes_ecosystem_awareness.html">Prev</a> </td><th width="60%" align="center">Part XVII. Spring Cloud Kubernetes</th><td width="20%" align="right"> <a accesskey="n" href="multi__leader_election.html">Next</a></td></tr></table><hr></div><div class="chapter"><div class="titlepage"><div><div><h2 class="title"><a name="_pod_health_indicator" href="#_pod_health_indicator"></a>140. Pod Health Indicator</h2></div></div></div><p>Spring Boot uses <a class="link" href="https://github.com/spring-projects/spring-boot/blob/master/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/health/HealthEndpoint.java" target="_top">HealthIndicator</a> to expose info about the health of an application.
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That makes it really useful for exposing health related information to the user and are also a good fit for use as <a class="link" href="https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/" target="_top">readiness probes</a>.</p><p>The Kubernetes health indicator which is part of the core module exposes the following info:</p><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">pod name, ip address, namespace, service account, node name and its ip address</li><li class="listitem">flag that indicates if the Spring Boot application is internal or external to Kubernetes</li></ul></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="multi__kubernetes_ecosystem_awareness.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="multi__spring_cloud_kubernetes.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="multi__leader_election.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">139. Kubernetes Ecosystem Awareness </td><td width="20%" align="center"><a accesskey="h" href="multi_spring-cloud.html">Home</a></td><td width="40%" align="right" valign="top"> 141. Leader Election</td></tr></table></div></body></html> |