1 /* 2 Copyright 2017 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 features 18 19 import ( 20 utilfeature "k8s.io/apiserver/pkg/util/feature" 21 "k8s.io/component-base/featuregate" 22 ) 23 24 const ( 25 // Every feature gate should add method here following this template: 26 // 27 // // owner: @username 28 // // alpha: v1.4 29 // MyFeature() bool 30 31 // owner: @alexzielenski 32 // alpha: v1.28 33 // 34 // Ignores errors raised on unchanged fields of Custom Resources 35 // across UPDATE/PATCH requests. 36 CRDValidationRatcheting featuregate.Feature = "CRDValidationRatcheting" 37 38 // owner: @jpbetz 39 // alpha: v1.30 40 // 41 // CustomResourceDefinitions may include SelectableFields to declare which fields 42 // may be used as field selectors. 43 CustomResourceFieldSelectors featuregate.Feature = "CustomResourceFieldSelectors" 44 ) 45 46 func init() { 47 utilfeature.DefaultMutableFeatureGate.Add(defaultKubernetesFeatureGates) 48 } 49 50 // defaultKubernetesFeatureGates consists of all known Kubernetes-specific feature keys. 51 // To add a new feature, define a key for it above and add it here. The features will be 52 // available throughout Kubernetes binaries. 53 var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureSpec{ 54 CRDValidationRatcheting: {Default: true, PreRelease: featuregate.Beta}, 55 CustomResourceFieldSelectors: {Default: false, PreRelease: featuregate.Alpha}, 56 } 57