8f076b7cb3
Previously, we were inconsistent on how we handled argument validation in the CLI. Many commands used cobra.Command's Args property to provide a validator if they took arguments, but commands which did not rarely used cobra.NoArgs to indicate this. This change does two things: 1. Introduce `cmdutil.ArgsFunc` which works like `cmdutil.RunFunc`, it wraps an existing cobra type and lets us control the behavior when an arguments validator fails. 2. Ensure every command sets the Args property with an instance of cmdutil.ArgsFunc. The cmdutil package defines wrapers for all the cobra validators we are using, to prevent us from having to spell out `cmduitl.ArgsFunc(...)` everywhere. Fixes #588
72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
// Copyright 2016-2017, Pulumi Corporation. All rights reserved.
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package cmd
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import (
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"github.com/pulumi/pulumi/pkg/engine"
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"github.com/spf13/cobra"
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"github.com/pulumi/pulumi/pkg/util/cmdutil"
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)
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func newDestroyCmd() *cobra.Command {
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var debug bool
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var preview bool
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var stack string
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var parallel int
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var summary bool
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var yes bool
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var cmd = &cobra.Command{
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Use: "destroy",
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SuggestFor: []string{"delete", "down", "kill", "remove", "rm", "stop"},
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Short: "Destroy an existing stack and its resources",
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Long: "Destroy an existing stack and its resources\n" +
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"\n" +
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"This command deletes an entire existing stack by name. The current state is\n" +
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"loaded from the associated snapshot file in the workspace. After running to completion,\n" +
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"all of this stack's resources and associated state will be gone.\n" +
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"\n" +
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"Warning: although old snapshots can be used to recreate an stack, this command\n" +
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"is generally irreversable and should be used with great care.",
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Args: cmdutil.NoArgs,
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Run: cmdutil.RunFunc(func(cmd *cobra.Command, args []string) error {
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stackName, err := explicitOrCurrent(stack, backend)
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if err != nil {
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return err
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}
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if preview || yes ||
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confirmPrompt("This will permanently destroy all resources in the '%v' stack!", stackName.String()) {
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return backend.Destroy(stackName, debug, engine.DestroyOptions{
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DryRun: preview,
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Parallel: parallel,
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Summary: summary,
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})
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}
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return nil
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}),
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}
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cmd.PersistentFlags().BoolVarP(
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&debug, "debug", "d", false,
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"Print detailed debugging output during resource operations")
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cmd.PersistentFlags().BoolVarP(
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&preview, "preview", "n", false,
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"Don't actually delete resources; just preview the planned deletions")
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cmd.PersistentFlags().StringVarP(
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&stack, "stack", "s", "",
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"Choose an stack other than the currently selected one")
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cmd.PersistentFlags().IntVarP(
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¶llel, "parallel", "p", 0,
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"Allow P resource operations to run in parallel at once (<=1 for no parallelism)")
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cmd.PersistentFlags().BoolVar(
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&summary, "summary", false,
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"Only display summarization of resources and plan operations")
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cmd.PersistentFlags().BoolVar(
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&yes, "yes", false,
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"Skip confirmation prompts, and proceed with the destruction anyway")
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return cmd
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}
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