Replace godep with dep

vendor/k8s.io/kubernetes/cmd/kubeadm/app/features/features.go

@@ -0,0 +1,113 @@
+/*
+Copyright 2017 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 features
+
+import (
+	"fmt"
+	"sort"
+	"strconv"
+	"strings"
+
+	utilfeature "k8s.io/apiserver/pkg/util/feature"
+)
+
+const (
+	// SelfHosting is beta in v1.8
+	SelfHosting utilfeature.Feature = "SelfHosting"
+
+	// StoreCertsInSecrets is alpha in v1.8
+	StoreCertsInSecrets utilfeature.Feature = "StoreCertsInSecrets"
+)
+
+// FeatureList represents a list of feature gates
+type FeatureList map[utilfeature.Feature]utilfeature.FeatureSpec
+
+// Enabled indicates whether a feature name has been enabled
+func Enabled(featureList map[string]bool, featureName utilfeature.Feature) bool {
+	return featureList[string(featureName)]
+}
+
+// Supports indicates whether a feature name is supported on the given
+// feature set
+func Supports(featureList FeatureList, featureName string) bool {
+	for k := range featureList {
+		if featureName == string(k) {
+			return true
+		}
+	}
+	return false
+}
+
+// Keys returns a slice of feature names for a given feature set
+func Keys(featureList FeatureList) []string {
+	var list []string
+	for k := range featureList {
+		list = append(list, string(k))
+	}
+	return list
+}
+
+// InitFeatureGates are the default feature gates for the init command
+var InitFeatureGates = FeatureList{
+	SelfHosting:         {Default: false, PreRelease: utilfeature.Alpha},
+	StoreCertsInSecrets: {Default: false, PreRelease: utilfeature.Alpha},
+}
+
+// KnownFeatures returns a slice of strings describing the FeatureList features.
+func KnownFeatures(f *FeatureList) []string {
+	var known []string
+	for k, v := range *f {
+		pre := ""
+		if v.PreRelease != utilfeature.GA {
+			pre = fmt.Sprintf("%s - ", v.PreRelease)
+		}
+		known = append(known, fmt.Sprintf("%s=true|false (%sdefault=%t)", k, pre, v.Default))
+	}
+	sort.Strings(known)
+	return known
+}
+
+// NewFeatureGate parse a string of the form "key1=value1,key2=value2,..." into a
+// map[string]bool of known keys or returns an error.
+func NewFeatureGate(f *FeatureList, value string) (map[string]bool, error) {
+	featureGate := map[string]bool{}
+	for _, s := range strings.Split(value, ",") {
+		if len(s) == 0 {
+			continue
+		}
+
+		arr := strings.SplitN(s, "=", 2)
+		if len(arr) != 2 {
+			return nil, fmt.Errorf("missing bool value for feature-gate key:%s", s)
+		}
+
+		k := strings.TrimSpace(arr[0])
+		v := strings.TrimSpace(arr[1])
+
+		if !Supports(*f, k) {
+			return nil, fmt.Errorf("unrecognized feature-gate key: %s", k)
+		}
+
+		boolValue, err := strconv.ParseBool(v)
+		if err != nil {
+			return nil, fmt.Errorf("invalid value %v for feature-gate key: %s, use true|false instead", v, k)
+		}
+		featureGate[k] = boolValue
+	}
+
+	return featureGate, nil
+}