constellation/cli/internal/cmd/terminate.go

/*
Copyright (c) Edgeless Systems GmbH

SPDX-License-Identifier: AGPL-3.0-only
*/

package cmd

import (
	"errors"
	"fmt"
	"io/fs"

	"github.com/spf13/afero"
	"github.com/spf13/cobra"
	"go.uber.org/multierr"

	"github.com/edgelesssys/constellation/v2/cli/internal/cloudcmd"
	"github.com/edgelesssys/constellation/v2/internal/constants"
	"github.com/edgelesssys/constellation/v2/internal/file"
)

// NewTerminateCmd returns a new cobra.Command for the terminate command.
func NewTerminateCmd() *cobra.Command {
	cmd := &cobra.Command{
		Use:   "terminate",
		Short: "Terminate a Constellation cluster",
		Long:  "Terminate a Constellation cluster. The cluster can't be started again, and all persistent storage will be lost.",
		Args:  cobra.NoArgs,
		RunE:  runTerminate,
	}
	cmd.Flags().BoolP("yes", "y", false, "terminate the cluster without further confirmation")
	return cmd
}

// runTerminate runs the terminate command.
func runTerminate(cmd *cobra.Command, args []string) error {
	fileHandler := file.NewHandler(afero.NewOsFs())
	spinner := newSpinner(cmd.OutOrStdout())
	defer spinner.Stop()
	terminator := cloudcmd.NewTerminator()

	return terminate(cmd, terminator, fileHandler, spinner)
}

func terminate(cmd *cobra.Command, terminator cloudTerminator, fileHandler file.Handler, spinner spinnerInterf,
) error {
	yesFlag, err := cmd.Flags().GetBool("yes")
	if err != nil {
		return err
	}

	if !yesFlag {
		cmd.Println("You are about to terminate a Constellation cluster.")
		cmd.Println("All of its associated resources will be DESTROYED.")
		cmd.Println("This includes any other Terraform workspace in the current directory.")
		cmd.Println("This action is irreversible and ALL DATA WILL BE LOST.")
		ok, err := askToConfirm(cmd, "Do you want to continue?")
		if err != nil {
			return err
		}
		if !ok {
			cmd.Println("The termination of the cluster was aborted.")
			return nil
		}
	}

	spinner.Start("Terminating", false)
	err = terminator.Terminate(cmd.Context())
	spinner.Stop()
	if err != nil {
		return fmt.Errorf("terminating Constellation cluster: %w", err)
	}

	cmd.Println("Your Constellation cluster was terminated successfully.")

	var retErr error
	if err := fileHandler.Remove(constants.AdminConfFilename); err != nil && !errors.Is(err, fs.ErrNotExist) {
		retErr = multierr.Append(err, fmt.Errorf("failed to remove file: '%s', please remove it manually", constants.AdminConfFilename))
	}

	if err := fileHandler.Remove(constants.ClusterIDsFileName); err != nil && !errors.Is(err, fs.ErrNotExist) {
		retErr = multierr.Append(err, fmt.Errorf("failed to remove file: '%s', please remove it manually", constants.ClusterIDsFileName))
	}

	return retErr
}