While the Cluster API is a common approach to run Kubernetes infrastructure in a declarative way, there are many situations where Cluster API is not usable or desired. This can be due to various reasons, such as the need to keep the management of the control planes separate from the management of the worker nodes, or when the infrastructure provider hosting the worker nodes is not natively supported by Cluster API.

In such cases, a different approach is to configure worker nodes using yaki, a wrapper around the standard kubeadm utility. Terraform is used to provision the machines and let yaki install all the Kubernetes dependencies and join the machine to the control plane.

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