KubeSphere滚动更新

参考文档

• https://docs.spring.io/spring-boot/docs/current/reference/html/actuator.html#actuator.endpoints.kubernetes-probes
• https://docs.spring.io/spring-boot/docs/2.2.6.RELEASE/actuator-api/html/#metrics
• https://blog.csdn.net/white_ice/article/details/80511588
• https://ost.51cto.com/posts/128
• https://blog.51cto.com/u_14320361/2466479

配置健康测试端点

修改Nacos配置，在application-dev.yml中添加management.endpoint.health.show-details参数，注意低版本的SpringBoot中endpoint没有’s’

management:
  endpoint:
    health:
      show-details: "ALWAYS"
  endpoints:
    web:
      exposure:
        include: '*'

健康测试:

curl http://10.133.0.63:30508/actuator/health/ping
{"status":"UP"}

修改K8S配置添加readinessProbe

          readinessProbe:
            httpGet:
              scheme: HTTP
              path: /actuator/health/ping
              port: 4000
            initialDelaySeconds: 10
            periodSeconds: 5