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A Kubernetes-Cluster typically consists of a controlplane (running the Kubernetes API, the etcd database and other components) and worker-nodes - (virtual) servers, which run the actual workloads (applications etc.).

The controlplane of all iMKE-Clusters is managed by the iMKE-platform itself and is not accessible for customers.

The worker-nodes of a cluster need to be configured via a Machine Deployment. The customer can control:

  • Node Flavors are the virtual machine types which are used to create the worker-nodes. The types usually differ in their size, i.e. in the available CPU and RAM.
  • Number of Nodes of course you can choose how many worker-nodes you want to have in total.
  • SSH-Keys if enabled for your cluster and if your Nodes have a public IP (Floating IP), you can connect to your worker-nodes via SSH, i.e. for extended debugging.
  • Operating System of the Nodes although the OS of the worker-nodes should not matter for the Kubernetes workloads, it might matter for you and your debugging.

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