/*
Copyright 2018 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package v1beta1

import (
	corev1 "k8s.io/api/core/v1"
	runtime "k8s.io/apimachinery/pkg/runtime"
)

// ProviderSpec defines the configuration to use during node creation.
type ProviderSpec struct {

	// No more than one of the following may be specified.

	// Value is an inlined, serialized representation of the resource
	// configuration. It is recommended that providers maintain their own
	// versioned API types that should be serialized/deserialized from this
	// field, akin to component config.
	// +optional
	Value *runtime.RawExtension `json:"value,omitempty"`

	// Source for the provider configuration. Cannot be used if value is
	// not empty.
	// +optional
	ValueFrom *ProviderSpecSource `json:"valueFrom,omitempty"`
}

// ProviderSpecSource represents a source for the provider-specific
// resource configuration.
type ProviderSpecSource struct {
	// The machine class from which the provider config should be sourced.
	// +optional
	MachineClass *MachineClassRef `json:"machineClass,omitempty"`
}

// MachineClassRef is a reference to the MachineClass object. Controllers should find the right MachineClass using this reference.
type MachineClassRef struct {
	// +optional
	*corev1.ObjectReference `json:",inline"`

	// Provider is the name of the cloud-provider which MachineClass is intended for.
	// +optional
	Provider string `json:"provider,omitempty"`
}
