startupProbe 表示启动探针,和之前学习的两种探针字段一致。
启动探针在成功之前,另外的探针不会启动。这个主要用于启动事件长且不固定的容器。
在探测到成功之后,启动探针不会再进行探测了。
apiVersion: v1
kind: Pod
metadata:
name: spring-k8s
spec:
containers:
- name: spring-k8s
image: jiangbo920827/spring-k8s:liveness
startupProbe:
httpGet:
port: my-port
path: /actuator/health/liveness
ports:
- name: my-port
containerPort: 8080
Spring Boot 还没有启动探针的端点,将启动探针配置到存活探针的上面,看看效果。
2021-03-27 08:10:26 - GET "/actuator/health/readiness", parameters={}
2021-03-27 08:10:26 - Mapped to Actuator web endpoint ‘health-path‘
2021-03-27 08:10:26 - Using ‘application/vnd.spring-boot.actuator.v3+json‘, given [*/*] and supported [application/vnd.spring-boot.actuator.v3+json, application/vnd.spring-boot.actuator.v2+json, application/json]
2021-03-27 08:10:26 - Writing [org.springframework.boot.actuate.health.CompositeHealth@6741996c]
2021-03-27 08:10:26 - Completed 200 OK
2021-03-27 08:10:36 - GET "/actuator/health/readiness", parameters={}
2021-03-27 08:10:36 - Mapped to Actuator web endpoint ‘health-path‘
2021-03-27 08:10:36 - Using ‘application/vnd.spring-boot.actuator.v3+json‘, given [*/*] and supported [application/vnd.spring-boot.actuator.v3+json, application/vnd.spring-boot.actuator.v2+json, application/json]
2021-03-27 08:10:36 - Writing [org.springframework.boot.actuate.health.CompositeHealth@2c86cb07]
2021-03-27 08:10:36 - Completed 200 OK
如果服务的启动时间很长,可以单独配置启动探针。
原文:https://www.cnblogs.com/jiangbo44/p/14586239.html