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Kubernetes in Cleura Cloud

Cleura Cloud has two management facilities for Kubernetes clusters:

In most scenarios, Gardener is the preferred option, since it supports more recent Kubernetes versions and offers you a greater degree of “hands-off” management.

For more details on the relative merits of both options, refer to the sections below.

General characteristics

Gardener Magnum
Kubernetes Cloud Provider OpenStack OpenStack
Base operating system for nodes Garden Linux Fedora CoreOS
Latest installable Kubernetes minor release 1.29 1.24

API and CLI support

Gardener Magnum
Manageable via Cleura Cloud REST API
Manageable via OpenStack REST API
Manageable via OpenStack CLI

Updates and upgrades

Gardener Magnum
Automatic update to new Kubernetes patch release
Rolling upgrade to new Kubernetes minor release
Automatic upgrade to new Kubernetes minor release
Rolling upgrade to new base operating system release
Automatic upgrade to new base operating system release

Functional features

Gardener Magnum
Built-in private registry for container images
Hibernation
Manual vertical scaling (bigger/smaller worker nodes) 1
Vertical autoscaling
Manual horizontal scaling (more/fewer worker nodes)
Horizontal autoscaling 2
Kubernetes dashboard 3

Charges and billing

Gardener Magnum
Monthly subscription fee
Cleura Cloud charges for Kubernetes control plane nodes
Cleura Cloud charges for Kubernetes worker nodes

  1. Vertical scaling is only supported via defining additional worker node groups. 

  2. You must deploy Magnum Cluster Autoscaler to use horizontal autoscaling. 

  3. You must separately deploy the Kubernetes Dashboard.