The Cluster Monitoring Operator manages and updates the Prometheus-based cluster monitoring stack deployed on top of OpenShift.
It contains the following components:
- Prometheus Operator
- Prometheus
- Alertmanager cluster for cluster and application level alerting
- kube-state-metrics
- node_exporter
- kubernetes-metrics-server
The deployed Prometheus instance (prometheus-k8s) is responsible for monitoring and alerting on cluster and OpenShift components; it should not be extended to monitor user applications. Users interested in leveraging Prometheus for application monitoring on OpenShift should consider enabling User Workload Monitoring to easily setup new Prometheus instances to monitor and alert on their applications.
Alertmanager is a cluster-global component for handling alerts generated by all Prometheus instances deployed in that cluster.
See the Sending metrics via Telemetry page.
Documentation on the data sent can be found in the data collection documentation.
Please refer to the CONTRIBUTING.md document for information.
Release checklist is available when creating new "Release Checklist" issue.