sigs.k8s.io/cluster-api-provider-aws@v1.5.5/feature/feature.go (about)

     1  /*
     2  Copyright 2020 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8  	http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package feature
    18  
    19  import (
    20  	"k8s.io/apimachinery/pkg/util/runtime"
    21  	"k8s.io/component-base/featuregate"
    22  )
    23  
    24  const (
    25  	// Every capa-specific feature gate should add method here following this template:
    26  	//
    27  	// // owner: @username
    28  	// // alpha: v1.X
    29  	// MyFeature featuregate.Feature = "MyFeature".
    30  
    31  	// EKS is used to enable EKS support
    32  	// owner: @richardcase
    33  	// alpha: v0.4
    34  	EKS featuregate.Feature = "EKS"
    35  
    36  	// EKSEnableIAM will enable the IAM resource creation/modification
    37  	// owner: @richardcase
    38  	// alpha: v0.4
    39  	EKSEnableIAM featuregate.Feature = "EKSEnableIAM"
    40  
    41  	// EKSAllowAddRoles is used to enable the usage of additional IAM roles
    42  	// owner: @richardcase
    43  	// alpha: v0.4
    44  	EKSAllowAddRoles featuregate.Feature = "EKSAllowAddRoles"
    45  
    46  	// EKSFargate is used to enable the usage of EKS fargate profiles
    47  	// owner: @richardcase
    48  	// alpha: v0.4
    49  	EKSFargate featuregate.Feature = "EKSFargate"
    50  
    51  	// MachinePool is used to enable ASG support
    52  	// owner: @mytunguyen
    53  	// alpha: v0.1
    54  	MachinePool featuregate.Feature = "MachinePool"
    55  
    56  	// EventBridgeInstanceState will use Event Bridge and notifications to keep instance state up-to-date
    57  	// owner: @gab-satchi
    58  	// alpha: v0.7?
    59  	EventBridgeInstanceState featuregate.Feature = "EventBridgeInstanceState"
    60  
    61  	// AutoControllerIdentityCreator will create AWSClusterControllerIdentity instance that allows all namespaces to use it.
    62  	// owner: @sedefsavas
    63  	// alpha: v0.6
    64  	AutoControllerIdentityCreator featuregate.Feature = "AutoControllerIdentityCreator"
    65  
    66  	// BootstrapFormatIgnition will allow an user to enable alternate machine bootstrap format, viz. Ignition.
    67  	BootstrapFormatIgnition featuregate.Feature = "BootstrapFormatIgnition"
    68  
    69  	// ExternalResourceGC is used to enable the garbage collection of external resources like NLB/ALB on deletion
    70  	// owner: @richardcase
    71  	// alpha: v1.5
    72  	ExternalResourceGC featuregate.Feature = "ExternalResourceGC"
    73  )
    74  
    75  func init() {
    76  	runtime.Must(MutableGates.Add(defaultCAPAFeatureGates))
    77  }
    78  
    79  // defaultCAPAFeatureGates consists of all known capa-specific feature keys.
    80  // To add a new feature, define a key for it above and add it here.
    81  var defaultCAPAFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{
    82  	// Every feature should be initiated here:
    83  	EKS:                           {Default: true, PreRelease: featuregate.Beta},
    84  	EKSEnableIAM:                  {Default: false, PreRelease: featuregate.Beta},
    85  	EKSAllowAddRoles:              {Default: false, PreRelease: featuregate.Beta},
    86  	EKSFargate:                    {Default: false, PreRelease: featuregate.Alpha},
    87  	EventBridgeInstanceState:      {Default: false, PreRelease: featuregate.Alpha},
    88  	MachinePool:                   {Default: false, PreRelease: featuregate.Alpha},
    89  	AutoControllerIdentityCreator: {Default: true, PreRelease: featuregate.Alpha},
    90  	BootstrapFormatIgnition:       {Default: false, PreRelease: featuregate.Alpha},
    91  	ExternalResourceGC:            {Default: false, PreRelease: featuregate.Alpha},
    92  }