diff --git a/examples/kubernetes/grafana on k8s using helm.md b/examples/kubernetes/grafana on k8s using helm.md new file mode 100644 index 0000000..3e866b5 --- /dev/null +++ b/examples/kubernetes/grafana on k8s using helm.md @@ -0,0 +1,61 @@ +# Grafana on Kubernetes using Helm + +Installation: + +1. add the repository: + + ```sh + helm repo add grafana https://grafana.github.io/helm-charts + helm repo update + ``` + +1. install the release: + + ```sh + helm upgrade --install --namespace monitoring --create-namespace grafana grafana/grafana + ``` + +Get the admin user's password: + +```sh +kubectl get secret --namespace monitoring grafana -o jsonpath="{.data.admin-password}" | base64 --decode ; echo +``` + +The Grafana server can be accessed via port 80 on `grafana.monitoring.svc.cluster.local` from within the cluster. +To get the external URL: + +```sh +export POD_NAME=$(kubectl get pods --namespace monitoring -l "app.kubernetes.io/name=grafana,app.kubernetes.io/instance=grafana" -o jsonpath="{.items[0].metadata.name}") +kubectl --namespace monitoring port-forward "${POD_NAME}" 3000 +``` + +Clean up: + +```sh +helm delete --namespace monitoring grafana +kubectl delete namespace --ignore-not-found monitoring +``` + +Access a Prometheus instance in the same namespace using `http://prometheus-server` + +Get the default values from the updated chart + +```sh +helm inspect values grafana/grafana > "$(git rev-parse --show-toplevel)/kubernetes/helm/grafana/values.yaml" +``` + +## Gotchas + +Useful dashboards: + +- `3662`: prometheus 2.0 overview +- `6417`: kubernetes cluster (prometheus) +- `9632`: nextcloud + +## Further readings + +- Official [helm chart] +- [Set up prometheus and ingress on kubernetes] + +[helm chart]: https://github.com/grafana/helm-charts/tree/main/charts/grafana +[set up prometheus and ingress on kubernetes]: https://blog.gojekengineering.com/diy-how-to-set-up-prometheus-and-ingress-on-kubernetes-d395248e2ba diff --git a/examples/keda/grafana.bash b/examples/kubernetes/keda/grafana.bash similarity index 100% rename from examples/keda/grafana.bash rename to examples/kubernetes/keda/grafana.bash diff --git a/examples/keda/nextcloud.bash b/examples/kubernetes/keda/nextcloud.bash similarity index 100% rename from examples/keda/nextcloud.bash rename to examples/kubernetes/keda/nextcloud.bash