mirror of
https://github.com/k3s-io/k3s.git
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55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
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/*
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Copyright 2014 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 flag
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import (
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goflag "flag"
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"strings"
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"github.com/spf13/pflag"
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"k8s.io/klog"
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)
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// WordSepNormalizeFunc changes all flags that contain "_" separators
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func WordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName {
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if strings.Contains(name, "_") {
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return pflag.NormalizedName(strings.Replace(name, "_", "-", -1))
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}
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return pflag.NormalizedName(name)
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}
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// WarnWordSepNormalizeFunc changes and warns for flags that contain "_" separators
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func WarnWordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName {
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if strings.Contains(name, "_") {
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nname := strings.Replace(name, "_", "-", -1)
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klog.Warningf("%s is DEPRECATED and will be removed in a future version. Use %s instead.", name, nname)
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return pflag.NormalizedName(nname)
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}
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return pflag.NormalizedName(name)
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}
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// InitFlags normalizes, parses, then logs the command line flags
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func InitFlags() {
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pflag.CommandLine.SetNormalizeFunc(WordSepNormalizeFunc)
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pflag.CommandLine.AddGoFlagSet(goflag.CommandLine)
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pflag.Parse()
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pflag.VisitAll(func(flag *pflag.Flag) {
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klog.V(2).Infof("FLAG: --%s=%q", flag.Name, flag.Value)
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})
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}
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