instance_groups_registry.go

package cloudfoundry

import (
	"github.com/enaml-ops/enaml"
	"github.com/enaml-ops/omg-product-bundle/products/oss_cf/plugin/config"
)

var (
	factories []InstanceGrouperFactory
)

// InstanceGroupCreator creates and validates InstanceGroups.
type InstanceGroupCreator interface {
	ToInstanceGroup() *enaml.InstanceGroup
}

// InstanceGrouperFactory is a function that creates InstanceGroupCreator from Config.
type InstanceGrouperFactory func(*config.Config) InstanceGroupCreator

// RegisterInstanceGrouperFactory registers an InstanceGrouperFactory.
// InstanceGrouperFactories should generally be registered in their package's
// init() function.
func RegisterInstanceGrouperFactory(igf InstanceGrouperFactory) {
	factories = append(factories, igf)
}