Logging Demo of Springboot Application in Kubernetes

Tutorial

https://medium.com/@lyzkevin2020/how-to-build-a-log-collection-system-for-springboot-projects-in-kubernetes-3f4c3e09dd6b

Create Springboot Application Image

• Attach terminal to minikube docker environment

eval $(minikube docker-env)

• Build this spring boot project and create docker image.

gradle build docker # Equals to gradle build + gradle docker

• Then you can see the docker image: qiusuo/gateway:v1

  docker images

Deploy all Services

• Deploy springboot application, filebeat

kubectl create -f ./deploy/

Test

• Port forwarding kibana service and gateway service

kubectl port-forward svc/kibana 15601:5601
kubectl port-forward svc/qiusuo-gateway-svc 18040:8040

• Visit 127.0.0.1:18040/hello to produce one log record.
• Visit 127.0.0.1:15601 to open Kibana interface
• Create an index "logstash-*"
• Select "kubernetes.pod.name", "message", "fields.log-source" as the target fields to see the demonstration.
• Add a filter "kubernetes.pod.name is *gateway*" and a filed "msg" to see the demonstration.