mirror of https://github.com/k3s-io/k3s
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
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/*
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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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)
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const (
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// AlphaFeatureNetworkTiers allows Services backed by a GCP load balancer to choose
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// what network tier to use. Currently supports "Standard" and "Premium" (default).
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//
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// alpha: v1.8 (for Services)
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AlphaFeatureNetworkTiers = "NetworkTiers"
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)
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// AlphaFeatureGate contains a mapping of alpha features to whether they are enabled
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type AlphaFeatureGate struct {
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features map[string]bool
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}
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// Enabled returns true if the provided alpha feature is enabled
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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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// NewAlphaFeatureGate marks the provided alpha features as enabled
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func NewAlphaFeatureGate(features []string) *AlphaFeatureGate {
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featureMap := make(map[string]bool)
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for _, name := range features {
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featureMap[name] = true
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}
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return &AlphaFeatureGate{featureMap}
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}
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func (g *Cloud) alphaFeatureEnabled(feature string) error {
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if !g.AlphaFeatureGate.Enabled(feature) {
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return fmt.Errorf("alpha feature %q is not enabled", feature)
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}
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return nil
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}
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