Support creating a private K8s cluster using Terraform

[mway-niels]

This commit (6d134d3) mentions removing the "public" option from the "ionoscloud_k8s_cluster" resource.

We are managing our infrastructure on IONOS using Terraform at the moment and are interested in testing a private K8s setup (behind a NAT gateway).

Could you elaborate the reasons for choosing to disable this feature in your Terraform provider? I understand private Kubernetes clusters are currently experimental, however we'd still like to test how it works and if it could be a good fit for our infrastructure in the future.

Please let me know if you require any further information.

Thank you. :)

[cristiGuranIonos]

We know it's a useful feature for k8s. The feature is in the process of being reworked in the backend and will be added again as soon as possible to the sdk and tooling.

[stefanjauker]

@cristiGuranIonos Do you have any ETA or timeline for the release date. This is important to us.

[cristiGuranIonos]

We think that in Q4 2023 private kubernetes would most likely be GA. It might be available earlier, but in EA.