Prometheus

Description and Purpose

The Prometheus application installs the kube-prometheus-stack chart to collect Kubernetes metrics and store them as time-series data. Use it to monitor K8s Cluster components and workloads and to provide a metrics source for observability integrations.

Parameters

This application has no application-specific user inputs. During installation, provide the standard release name, target namespace, and namespace-creation option.

Grafana is disabled in the built-in Helm values:

grafana:
  enabled: false

Usage and Configuration

To install this application, follow the Managing Applications guide using the catalog ID shown above.

From the OpenNebula Front-end, retrieve the kubeconfig for the target K8s Cluster:

oneks show cluster <CLUSTER_ID> --kubeconfig > kubeconfig

After installation, use the K8s Cluster kubeconfig to inspect the monitoring workloads. The following example assumes that the application was installed with prometheus as the release name and monitoring as the target namespace:

KUBECONFIG=./kubeconfig kubectl get pods -n monitoring