feature.go

/*
Copyright 2020 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 feature

import (
	"k8s.io/apimachinery/pkg/util/runtime"
	"k8s.io/component-base/featuregate"
)

const (
	// Every capa-specific feature gate should add method here following this template:
	//
	// // owner: @username
	// // alpha: v1.X
	// MyFeature featuregate.Feature = "MyFeature"

	// EKS is used to enable EKS support
	// owner: @richardcase
	// alpha: v0.4
	EKS featuregate.Feature = "EKS"

	// EKSEnableIAM will enable the IAM resource creation/modification
	// owner: @richardcase
	// alpha: v0.4
	EKSEnableIAM featuregate.Feature = "EKSEnableIAM"

	// EKSAllowAddRoles is used to enable the usage of additional IAM roles
	// owner: @richardcase
	// alpha: v0.4
	EKSAllowAddRoles featuregate.Feature = "EKSAllowAddRoles"

	// MachinePool is used to enable ASG support
	// owner: @mytunguyen
	// alpha: v0.1
	MachinePool featuregate.Feature = "MachinePool"

	// EventBridgeInstanceState will use Event Bridge and notifications to keep instance state up-to-date
	// owner: @gab-satchi
	// alpha: v0.7?
	EventBridgeInstanceState featuregate.Feature = "EventBridgeInstanceState"

	// AutoControllerIdentityCreator will create AWSClusterControllerIdentity instance that allows all namespaces to use it.
	// owner: @sedefsavas
	// alpha: v0.6
	AutoControllerIdentityCreator featuregate.Feature = "AutoControllerIdentityCreator"
)

func init() {
	runtime.Must(MutableGates.Add(defaultCAPAFeatureGates))
}

// defaultCAPAFeatureGates consists of all known capa-specific feature keys.
// To add a new feature, define a key for it above and add it here.
var defaultCAPAFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{
	// Every feature should be initiated here:
	EKS:                           {Default: false, PreRelease: featuregate.Alpha},
	EKSEnableIAM:                  {Default: false, PreRelease: featuregate.Alpha},
	EKSAllowAddRoles:              {Default: false, PreRelease: featuregate.Alpha},
	EventBridgeInstanceState:      {Default: false, PreRelease: featuregate.Alpha},
	MachinePool:                   {Default: false, PreRelease: featuregate.Alpha},
	AutoControllerIdentityCreator: {Default: true, PreRelease: featuregate.Alpha},
}