mirror of https://github.com/fluxcd/cli-utils.git
86 lines
2.7 KiB
Go
86 lines
2.7 KiB
Go
// Copyright 2020 The Kubernetes Authors.
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// SPDX-License-Identifier: Apache-2.0
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package main
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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/component-base/cli"
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"k8s.io/kubectl/pkg/cmd/util"
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"sigs.k8s.io/cli-utils/cmd/apply"
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"sigs.k8s.io/cli-utils/cmd/destroy"
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"sigs.k8s.io/cli-utils/cmd/diff"
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"sigs.k8s.io/cli-utils/cmd/initcmd"
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"sigs.k8s.io/cli-utils/cmd/preview"
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"sigs.k8s.io/cli-utils/cmd/status"
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"sigs.k8s.io/cli-utils/pkg/inventory"
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"sigs.k8s.io/cli-utils/pkg/manifestreader"
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// This is here rather than in the libraries because of
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// https://github.com/kubernetes-sigs/kustomize/issues/2060
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_ "k8s.io/client-go/plugin/pkg/client/auth"
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)
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func main() {
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cmd := &cobra.Command{
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Use: "kapply",
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Short: "Perform cluster operations using declarative configuration",
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Long: "Perform cluster operations using declarative configuration",
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// We silence error reporting from Cobra here since we want to improve
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// the error messages coming from the commands.
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SilenceErrors: true,
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SilenceUsage: true,
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}
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// configure kubectl dependencies and flags
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flags := cmd.PersistentFlags()
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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(flags)
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flags.AddGoFlagSet(flag.CommandLine)
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f := util.NewFactory(matchVersionKubeConfigFlags)
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ioStreams := genericclioptions.IOStreams{
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In: os.Stdin,
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Out: os.Stdout,
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ErrOut: os.Stderr,
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}
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names := []string{"init", "apply", "preview", "diff", "destroy", "status"}
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initCmd := initcmd.NewCmdInit(f, ioStreams)
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updateHelp(names, initCmd)
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loader := manifestreader.NewManifestLoader(f)
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invFactory := inventory.ClusterClientFactory{}
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applyCmd := apply.Command(f, invFactory, loader, ioStreams)
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updateHelp(names, applyCmd)
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previewCmd := preview.Command(f, invFactory, loader, ioStreams)
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updateHelp(names, previewCmd)
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diffCmd := diff.NewCommand(f, ioStreams)
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updateHelp(names, diffCmd)
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destroyCmd := destroy.Command(f, invFactory, loader, ioStreams)
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updateHelp(names, destroyCmd)
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statusCmd := status.Command(f, invFactory, loader)
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updateHelp(names, statusCmd)
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cmd.AddCommand(initCmd, applyCmd, diffCmd, destroyCmd, previewCmd, statusCmd)
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code := cli.Run(cmd)
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os.Exit(code)
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}
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// updateHelp replaces `kubectl` help messaging with `kapply` 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, "kapply "+name)
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c.Long = strings.ReplaceAll(c.Long, "kubectl "+name, "kapply "+name)
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c.Example = strings.ReplaceAll(c.Example, "kubectl "+name, "kapply "+name)
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}
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}
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