| Features | KubeOne | Kubespray | Kind | Kubeadm | OpenShift Origin | Airship |
|---|
| Declarative Cluster Configuration - describing the K8s cluster including infra components (eg. CRI, CNI), versions, number of nodes (master+worker), architecture, K8s certificates | Y | Y | N | N | Y | Y. Uses Kustomize for layering and substitution. |
| Templated configuration | Y | Y | N | N | Y | Y. Uses Kustomize |
| Centralized configuration model | Y | Y | Y | N | Y | Y |
| Ability to use existing machines (from machine provisioning stage) |
| Y | Y | Y | Y | TBD. Recognizes the use case of "bring your own OS", but not committed to implementing in v2.0. |
| Ability to manage underlying infrastructure (i.e. to create and configure nodes for use by a cluster) | Y | N | unknown | N | depends on infra provider | Yes, integrates cluster-api-provider-metal3 |
| Support for different architectures: Arm and x86 | Y | N | N | Y | unknown | N. ARM is out of scope for v2.0. Operators are welcome to step up and add the support. |
| K8s clusters pass conformance test | Y |