Overview

OneKE is a minimal hyperconverged Kubernetes platform, provided by OpenNebula out of the box. OneKE is based on RKE2 - Rancher's Next Generation Kubernetes Distribution and includes preinstalled components to handle persistence, ingress traffic and on-prem load balancing.

Download

The latest version of OneKE can be downloaded from the OpenNebula public Marketplace:

• Service OneKE 1.29
• Service OneKE 1.29 Airgapped

Components

Component	Version
Ubuntu	22.04 LTS
Kubernetes/RKE2	v1.29.4+rke2r1
CNI/RKE2	v1.29.4+rke2r1
Longhorn	1.6.1
MetalLB	0.14.5
Traefik	3.0.0
Contextualization package	6.10.0

Requirements

• OpenNebula version: >= 6.4
• OneFlow and OneGate for multi-node orchestration.
• Recommended Memory per VM: 512 MB (vnf), 3 GB (master), 3 GB (worker), 3 GB (storage).
• Minimal Cores (VCPU) per VM: 1 (vnf), 2 (master), 2 (worker), 2 (storage).