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README-PROM-GRAFANA.md

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Installation guide for Prometheus and Grafana

Before running K8 Mate, please ensure you have Prometheus and Grafana installed. Below gives you a simple breakdown of how to do this!

Install Helm

  • On Linux run sudo apt-get install helm
  • On Windows run choco install Kubernetes-helm
  • On macOS run brew install helm

Add the Helm chart for Prometheus and Grafana

  1. Run helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
  2. Update helm repo update

Install Prometheus Helm Chart on K8s Cluster

Run helm install my-kube-prometheus-stack prometheus-community/kube-prometheus-stack

After this command, run kubectl get services to view all your cluster services. The new services installed should be:

  • alertmanager-operated
  • my-kube-prometheus-stack-alertmanager
  • my-kube-prometheus-stack-grafana
  • my-kube-prometheus-stack-kube-state-metrics
  • my-kube-prometheus-stack-operator
  • my-kube-prometheus-stack-prometheus
  • my-kube-prometheus-stack-prometheus-node-exporter
  • prometheus-operated

Expose Prometheus and Grafana using NodePort Services

  1. Run kubectl expose service my-kube-prometheus-stack-prometheus --type=NodePort --target-port=9090 --name=prometheus-node-port-service
  2. Run kubectl expose service my-kube-prometheus-stack-grafana --type=NodePort --target-port=3000 --name=grafana-node-port-service

Forward ports

  1. Forward the Grafana service to be accessible on localhost:3000 by running kubectl port-forward svc/grafana-node-port-service 3000:80
  2. Forward the Prometheus service to be accessible on localhost:9090 by running kubectl port-forward svc/prometheus-node-port-service 9090:9090

Prometheus and Grafana are all setup on your cluster now! Follow up in our original README to continue our app setup.