features_test.go

Documentation: k8s.io/component-base/logs/api/v1

     1  /*
     2  Copyright 2022 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 v1
    18  
    19  import (
    20  	"k8s.io/component-base/featuregate"
    21  )
    22  
    23  var (
    24  	// pre-defined feature gates with the features from this package in a
    25  	// certain state (default, all enabled, all disabled).
    26  	defaultFeatureGate, enabledFeatureGate, disabledFeatureGate featuregate.FeatureGate
    27  )
    28  
    29  func init() {
    30  	mutable := featuregate.NewFeatureGate()
    31  	if err := AddFeatureGates(mutable); err != nil {
    32  		panic(err)
    33  	}
    34  	defaultFeatureGate = mutable
    35  	enabled := mutable.DeepCopy()
    36  	disabled := mutable.DeepCopy()
    37  	for feature := range mutable.GetAll() {
    38  		if err := enabled.SetFromMap(map[string]bool{string(feature): true}); err != nil {
    39  			panic(err)
    40  		}
    41  		if err := disabled.SetFromMap(map[string]bool{string(feature): false}); err != nil {
    42  			panic(err)
    43  		}
    44  	}
    45  	enabledFeatureGate = enabled
    46  	disabledFeatureGate = disabled
    47  }
    48
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