mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-07-01 02:11:20 +00:00
79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
// Copyright 2019 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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// package kubectlcobra contains cobra commands from kubectl
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package kubectlcobra
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import (
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"flag"
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"os"
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"strings"
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"github.com/spf13/cobra"
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"k8s.io/cli-runtime/pkg/genericclioptions"
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"k8s.io/kubectl/pkg/cmd/apply"
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"k8s.io/kubectl/pkg/cmd/diff"
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"k8s.io/kubectl/pkg/cmd/util"
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"sigs.k8s.io/kustomize/kyaml/commandutil"
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// initialize auth
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_ "k8s.io/client-go/plugin/pkg/client/auth"
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)
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// GetCommand returns a command from kubectl to install
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func GetCommand(parent *cobra.Command) *cobra.Command {
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if !commandutil.GetAlphaEnabled() {
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return &cobra.Command{
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Use: "resources",
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Short: "[Alpha] To enable set KUSTOMIZE_ENABLE_ALPHA_COMMANDS=true",
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Long: "[Alpha] To enable set KUSTOMIZE_ENABLE_ALPHA_COMMANDS=true",
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}
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}
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r := &cobra.Command{
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Use: "resources",
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Short: "[Alpha] Perform cluster operations using declarative configuration",
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Long: "[Alpha] Perform cluster operations using declarative configuration",
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}
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// configure kubectl dependencies and flags
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flags := r.Flags()
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kubeConfigFlags := genericclioptions.NewConfigFlags(true).WithDeprecatedPasswordFlag()
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kubeConfigFlags.AddFlags(flags)
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matchVersionKubeConfigFlags := util.NewMatchVersionFlags(kubeConfigFlags)
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matchVersionKubeConfigFlags.AddFlags(r.PersistentFlags())
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r.PersistentFlags().AddGoFlagSet(flag.CommandLine)
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f := util.NewFactory(matchVersionKubeConfigFlags)
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var ioStreams genericclioptions.IOStreams
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if parent != nil {
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ioStreams.In = parent.InOrStdin()
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ioStreams.Out = parent.OutOrStdout()
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ioStreams.ErrOut = parent.ErrOrStderr()
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} else {
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ioStreams.In = os.Stdin
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ioStreams.Out = os.Stdout
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ioStreams.ErrOut = os.Stderr
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}
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names := []string{"apply", "diff"}
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applyCmd := apply.NewCmdApply("kustomize", f, ioStreams)
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updateHelp(names, applyCmd)
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diffCmd := diff.NewCmdDiff(f, ioStreams)
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updateHelp(names, diffCmd)
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r.AddCommand(applyCmd, diffCmd)
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return r
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}
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// updateHelp replaces `kubectl` help messaging with `kustomize` help messaging
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func updateHelp(names []string, c *cobra.Command) {
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for i := range names {
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name := names[i]
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c.Short = strings.ReplaceAll(c.Short, "kubectl "+name, "kustomize "+name)
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c.Long = strings.ReplaceAll(c.Long, "kubectl "+name, "kustomize "+name)
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c.Example = strings.ReplaceAll(c.Example, "kubectl "+name, "kustomize "+name)
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}
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}
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