NewGroupPlugin creates a new group plugin.

NewQuorum creates a supervisor for a group of instances operating in a quorum.

NewScalingGroup creates a supervisor that monitors a group of instances on a provisioner, attempting to maintain a desired size.

Scaled is a collection of instances that can be scaled up and down.

Supervisor watches over a group of instances.

FlavorPluginLookup helps with looking up a flavor plugin by name.

InstancePluginLookup helps with looking up an instance plugin by name.