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Monitoring setup

This monitoring setup uses the kube-prometheus-stack helm chart. You will need to install helm before installing the chart.

Accessing the setup

  1. Get the pod name.
export POD_NAME=$(kubectl --namespace monitoring get pod -l "app.kubernetes.io/name=grafana,app.kubernetes.io/instance=monitoring-setup" -oname)
  1. Use kubectl port-forward.
kubectl --namespace monitoring port-forward $POD_NAME 3000
  1. Access from localhost:3000.

Importing/exporting dashboards

A dashboard can easily be exported as JSON using the Grafana UI by navigating to the dashboard and clicking the export button. When creating a new dashboard the option of importing a dashboard from JSON can be selected.

Installation

  1. Apply monitoring storageclass to cluster.
kubectl apply -f monitoring-storageclass-dev.yml

OR

kubectl apply -f monitoring-storageclass-prod.yml
  1. Install monitoring stack from helm chart with custom values.
helm install -f kube-prometheus-stack-values.yml -n monitoring monitoring-setup prometheus-community/kube-prometheus-stack --version 75.1.0
  1. Install OTP service monitors.
kubectl apply -f monitoring-servicemonitors.yml

Upgrading

helm upgrade -f kube-prometheus-stack-values.yml -n monitoring monitoring-setup prometheus-community/kube-prometheus-stack --version 75.1.0

Removal

Persistent storage is not removed by default when uninstalling!

  1. Remove OTP service monitors.
kubectl delete -f monitoring-servicemonitors.yml
  1. Remove monitoring stack.
helm uninstall -n monitoring monitoring-setup
  1. Remove monitoring storageclass from cluster.
kubectl delete -f monitoring-storageclass-dev.yml

OR

kubectl delete -f monitoring-storageclass-prod.yml
  1. View remaining persistent storage claims.
kubectl get pvc -n monitoring