oneke_intro

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 1.33
• Service OneKE 1.33 Airgapped

Components

Component	Version
Ubuntu	22.04 LTS
Kubernetes/RKE2	v1.33.4+rke2r1
CNI/RKE2	v1.33.4+rke2r1
Longhorn	1.9.1
MetalLB	0.15.2
Traefik	3.5.2
Contextualization package	7.0.0

Requirements

• OpenNebula version: >= 6.4 (OneKE 1.33 templates are compatible with OpenNebula 7+).
• 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).

Release Notes

Details for each release are available on the releases page, which provides comprehensive information for every version.

	OneKE 1.27	OneKE 1.29	OneKE 1.31	OneKE 1.33
Virtual Router	6.8.1-1.20240131	6.10.0-1-20240515	6.10.0-3-20250218	7.0.0-0-20250909
RKE2	1.27.2+rke2r1	1.29.4+rke2r1	v1.31.3+rke2r1	v1.33.4+rke2r1
Helm	3.11.3	3.14.4	3.16.3	3.18.6
Longhorn	1.4.1	1.6.1	1.7.2	1.9.1
MetalLB	0.13.9	0.14.5	0.14.8	0.15.2
Traefik	23.0.0	28.0.0	28.0.0	37.1.0
CLEANER	ruby:2.7-alpine3.16	ruby:3.3-alpine3.18	ruby:3.3-alpine3.18	ruby:3.3-alpine3.22