61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package gce
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import (
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"fmt"
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utilerrors "k8s.io/apimachinery/pkg/util/errors"
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)
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const (
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// alpha: v1.8 (for Services)
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//
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// Allows Services backed by a GCP load balancer to choose what network
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// tier to use. Currently supports "Standard" and "Premium" (default).
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AlphaFeatureNetworkTiers = "NetworkTiers"
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GCEDiskAlphaFeatureGate = "DiskAlphaAPI"
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)
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// All known alpha features
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var knownAlphaFeatures = map[string]bool{
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AlphaFeatureNetworkTiers: true,
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GCEDiskAlphaFeatureGate: true,
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}
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type AlphaFeatureGate struct {
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features map[string]bool
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}
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func (af *AlphaFeatureGate) Enabled(key string) bool {
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return af.features[key]
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}
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func NewAlphaFeatureGate(features []string) (*AlphaFeatureGate, error) {
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errList := []error{}
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featureMap := make(map[string]bool)
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for _, name := range features {
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if _, ok := knownAlphaFeatures[name]; !ok {
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errList = append(errList, fmt.Errorf("alpha feature %q is not supported.", name))
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} else {
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featureMap[name] = true
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}
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}
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return &AlphaFeatureGate{featureMap}, utilerrors.NewAggregate(errList)
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}
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