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:
- Underlying OS: Fedora 39 CoreOS
- Container runtime: containerd 1.6.23
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Network plugin:
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Kubernetes versions 1.28–1.29:
- Flannel VXLAN (for public VM networks)
- Flannel host-gw (for private VM networks)
- Kubernetes versions 1.30–1.31: Cilium
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Limitations
- Kubernetes versions 1.15.x–1.27.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. - Starting with version 1.31.x, Envoy proxy can be installed automatically with Cilium if SELinux is disabled on Kubernetes nodes.