Managing Kubernetes clusters

Self-service users can deploy ready-to-use Kubernetes clusters with persistent storage for managing containerized applications.

A Kubernetes cluster includes the following components:

Component Name and version
Underlying OS Fedora 34 CoreOS
Container runtime Docker 20.10.6
Network plugin Flannel with VXLAN


  • Kubernetes versions 1.15.x, 1.18.x, and 1.19.x are no longer supported. Kubernetes clusters created with these versions are marked with the Deprecated tag.
  • Kubernetes cluster certificates are issued for five years. To renew the certificates, use the openstack coe ca rotate command, as described in the OpenStack documentation.