cat

Documentation

Overview

Example (Cat_help)

package main

import (
	"os"

	"github.com/aws-cloudformation/rain/internal/cmd/cat"
)

func main() {
	os.Args = []string{
		os.Args[0],
		"--help",
	}

	cat.Cmd.Execute()
}

Output:

Downloads the template used to deploy <stack> and prints it to stdout.

Usage:
  cat <stack>

Flags:
  -h, --help          help for cat
  -t, --transformed   Get the template with transformations applied by CloudFormation.
  -u, --unformatted   Output the template in its raw form and do not attempt to format it.

Index

• Variables

Examples

• Package (Cat_help)

Variables

var Cmd = &cobra.Command{
	Use:                   "cat <stack>",
	Short:                 "Get the CloudFormation template from a running stack",
	Long:                  "Downloads the template used to deploy <stack> and prints it to stdout.",
	Args:                  cobra.ExactArgs(1),
	Annotations:           cmd.StackAnnotation,
	DisableFlagsInUseLine: true,
	Run: func(cmd *cobra.Command, args []string) {
		stackName := args[0]

		spinner.Push(fmt.Sprintf("Getting template from stack '%s'", stackName))
		template, err := cfn.GetStackTemplate(stackName, transformed)
		if err != nil {
			panic(ui.Errorf(err, "failed to get template for stack '%s'", stackName))
		}
		spinner.Pop()

		if unformatted {
			fmt.Println(template)
		} else {
			t, err := parse.String(template)
			if err != nil {
				panic(ui.Errorf(err, "failed to parse template for stack '%s'", stackName))
			}

			fmt.Print(format.String(t, format.Options{}))
		}
	},
}

Cmd is the cat command's entrypoint