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Setup Prmontheus and Grafana on K8S cluster

Create monitoring namespace

  • kubectl create namespace monitoring

Configure Prometheus

  • kubectl apply -f monitoring/cluster-role.yaml -n monitoring
  • kubectl apply -f monitoring/prometheus-config-map.yaml -n monitoring
  • kubectl apply -f monitoring/prometheus-deployment.yaml -n monitoring
  • kubectl get svc -n monitoring
  • Access Prometheus http://ip:port (you may need to use kubectl port-forward)
  • Verify that node, pods metrics are getting scrape.

Configure Grafana

  • kubectl apply -f grafana-deployment.yaml -n monitoring
  • kubectl apply -f grafana-service.yaml -n montoring
  • kubectl get svc -n monitoring
  • Access Grafana http://ip:port
  • Add above prometheus as datasource
  • Import Kubernetes (https://grafana.com/dashboards/2115) dashboard

Note: Some services are deployed as a LoadBalancer to access it from outside cluster. In production, we generally use nginx ingress controller to make service accessible outside cluster.