Config demo for monitoring (pull model)
###Build and run app_java
git clone https://github.com/geksogen/monitoring_prometheus_grafana.git
cd monitoring_prometheus_grafana/app/java_app
docker build -t java-spring-hello .
docker run -p 8080:8080 --rm --name=java-spring-hello java-spring-hello###Test
curl localhost:8080
curl localhost:8080/actuator/prometheus | grep jvm_memory_max
###Install and configure prometheus
cd ../../prometheus_grafana/
docker-compose up -d
###Test
docker-compose ps
Name Command State Ports
-----------------------------------------------------------------------------------------------------------
prometheus_grafana_1 /run.sh Up 0.0.0.0:3000->3000/tcp,:::3000->3000/tcp
prometheus_prometheus_1 /bin/prometheus --web.enab ... Up 0.0.0.0:9000->9090/tcp,:::9000->9090/tcp
http://:9000/ UI prometheus http://:3000/ UI grafana (admin/admin)
###k8s
kubectl create ns monitoring
git clone https://github.com/geksogen/monitoring_prometheus_grafana.git
cd k8s/app
kubectl apply -f .
kubectl -n monitoring run -i -t nginx --rm=true --image=nginx -- bash
curl hey-service.monitoring.svc:8000
curl hey-service.monitoring.svc:8000/metrics
cd ../prometheus/ kubectl apply -f .
###Clear
```bash
docker-compose down --rmi all -v --remove-orphans
docker stop $(docker ps -a -q)
docker system prune -a
kubectl -n monitoring delete all -l app=hey
kubectl -n monitoring delete deployment prometheus-deployment
kubectl -n monitoring delete svc prometheus-service
kubectl -n monitoring delete cm prometheus-config
kubectl -n monitoring delete service hey-service