constellation/cli/internal/cmd/terminate.go
2022-09-22 09:10:19 +02:00

77 lines
2.5 KiB
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"
"github.com/edgelesssys/constellation/v2/internal/state"
)
// 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,
}
return cmd
}
// runTerminate runs the terminate command.
func runTerminate(cmd *cobra.Command, args []string) error {
fileHandler := file.NewHandler(afero.NewOsFs())
terminator := cloudcmd.NewTerminator()
return terminate(cmd, terminator, fileHandler)
}
func terminate(cmd *cobra.Command, terminator cloudTerminator, fileHandler file.Handler) error {
var stat state.ConstellationState
if err := fileHandler.ReadJSON(constants.StateFilename, &stat); err != nil {
return fmt.Errorf("reading Constellation state: %w", err)
}
cmd.Println("Terminating ...")
if err := terminator.Terminate(cmd.Context(), stat); 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.StateFilename); err != nil {
retErr = multierr.Append(err, fmt.Errorf("failed to remove file: '%s', please remove it manually", constants.StateFilename))
}
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.WGQuickConfigFilename); err != nil && !errors.Is(err, fs.ErrNotExist) {
retErr = multierr.Append(err, fmt.Errorf("failed to remove file: '%s', please remove it manually", constants.WGQuickConfigFilename))
}
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
}