CheckEvictionSupport uses Discovery API to find out if the server support eviction subresource If support, it will return its groupVersion; Otherwise, it will return an empty string.

NewCordonHelper returns a new CordonHelper.

NewCordonHelperFromRuntimeObject returns a new CordonHelper, or an error if given object is not a node or cannot be encoded as JSON.

EvictionKind represents the kind of evictions object.

EvictionSubresource represents the kind of evictions object as pod's subresource.

CordonHelper wraps functionality to cordon/uncordon nodes.

Helper contains the parameters to control the behaviour of drainer.