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98 lines
2.4 KiB
98 lines
2.4 KiB
/*
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Copyright The Helm 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 main // import "helm.sh/helm/v3/cmd/helm"
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import (
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"flag"
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"fmt"
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"log"
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"os"
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"strings"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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"k8s.io/klog"
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// Import to initialize client auth plugins.
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_ "k8s.io/client-go/plugin/pkg/client/auth"
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"helm.sh/helm/v3/pkg/action"
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"helm.sh/helm/v3/pkg/cli"
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"helm.sh/helm/v3/pkg/gates"
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)
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// FeatureGateOCI is the feature gate for checking if `helm chart` and `helm registry` commands should work
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const FeatureGateOCI = gates.Gate("HELM_EXPERIMENTAL_OCI")
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var (
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settings = cli.New()
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)
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func init() {
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log.SetFlags(log.Lshortfile)
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}
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func debug(format string, v ...interface{}) {
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if settings.Debug {
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format = fmt.Sprintf("[debug] %s\n", format)
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log.Output(2, fmt.Sprintf(format, v...))
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}
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}
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func initKubeLogs() {
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pflag.CommandLine.SetNormalizeFunc(wordSepNormalizeFunc)
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gofs := flag.NewFlagSet("klog", flag.ExitOnError)
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klog.InitFlags(gofs)
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pflag.CommandLine.AddGoFlagSet(gofs)
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pflag.CommandLine.Set("logtostderr", "true")
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}
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func main() {
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initKubeLogs()
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actionConfig := new(action.Configuration)
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cmd := newRootCmd(actionConfig, os.Stdout, os.Args[1:])
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if err := actionConfig.Init(settings.RESTClientGetter(), settings.Namespace(), os.Getenv("HELM_DRIVER"), debug); err != nil {
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log.Fatal(err)
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}
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if err := cmd.Execute(); err != nil {
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debug("%+v", err)
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switch e := err.(type) {
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case pluginError:
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os.Exit(e.code)
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default:
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os.Exit(1)
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}
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}
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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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return pflag.NormalizedName(strings.ReplaceAll(name, "_", "-"))
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}
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func checkOCIFeatureGate() func(_ *cobra.Command, _ []string) error {
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return func(_ *cobra.Command, _ []string) error {
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if !FeatureGateOCI.IsEnabled() {
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return FeatureGateOCI.Error()
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}
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return nil
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}
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}
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