Installation prerequisites
Openshift configuration needs a Service account credentials, certificate data (Client Certificate data and Client Key data), or a user config file (i.e. Kubeconfig file) to connect with the Openshift Cluster.
The configured user or service account needs the list verb on the following resources. Access is checked cluster-wide (all namespaces).
namespaces
nodes
persistentvolumes
endpoints
pods
services
deployments (API group apps)
replicasets (API group apps)
virtualmachineinstances (API group kubevirt.io)
nodes (API group metrics.k8s.io; CPU and used memory)
pods (API group metrics.k8s.io; CPU and used memory)
Prometheus access is required for getting metrics related to the categories shown below. Prometheus must be configured with a public (routable) IP address. Please refer to the Openshift Metrics Guide for more details.
Prometheus metrics categories:
Performance > Storage Throughput
Performance > Memory > Advanced
Performance > Network Link Layer
Performance > CPU (virtual machines)
Performance > Memory (virtual machines, including Guest OS process memory)
Performance > Storage Capacity (virtual machine volumes)