Monitoring Application

This is a simple monitoring application taken from the following repositor: https://github.com/AnaisUrlichs/observe-argo-rollout

The presentation for the other demo is linked here.

Prerequisites

• 1 Kubernetes Cluster -- this can be any Kubernetes cluster
• Helm installed

Installation

Create a new namespace

kubectl create ns demo

Install monitoring stack

helm repo add prometheus-community https://prometheus-community.github.io/helm-charts

helm repo update 

helm install prom prometheus-community/kube-prometheus-stack -n demo --values monitoring/values.yaml

Install application resources

kubectl apply -n demo -f ./application

Look at the metrics of the application

kubectl port-forward service/app -n demo 8080:8080

And then open the following: http://localhost:8080/metrics

Install pinger application to generate traffic on our application

kubectl apply -n demo -f ./pinger

Port-forward Prometheus

kubectl port-forward service/prom-kube-prometheus-stack-prometheus -n demo 9090:9090

http://localhost:9090/

Port-forward Grafana

kubectl port-forward service/prom-grafana -n demo 3000:8080

http://localhost:3000/

Install Promtail and Loki

Promtail

helm upgrade --install promtail grafana/promtail -f monitoring/promtail-values.yaml -n monitoring

Loki

helm upgrade --install loki grafana/loki-distributed -n monitoring