| 24 | ) |
| 25 | |
| 26 | func cleanupTask(ctx context.Context, ctr client.Container) error { |
| 27 | task, err := ctr.Task(ctx, nil) |
| 28 | if err != nil { |
| 29 | if errdefs.IsNotFound(err) { |
| 30 | return nil |
| 31 | } |
| 32 | return errors.Wrap(err, "getting task") |
| 33 | } |
| 34 | |
| 35 | deleteErr := make(chan error, 1) |
| 36 | deleteCtx, deleteCancel := context.WithCancel(ctx) |
| 37 | defer deleteCancel() |
| 38 | |
| 39 | go func(ctx context.Context, ch chan error) { |
| 40 | _, err := task.Delete(ctx) |
| 41 | if err != nil { |
| 42 | ch <- errors.Wrap(err, "killing task") |
| 43 | } |
| 44 | ch <- nil |
| 45 | }(deleteCtx, deleteErr) |
| 46 | |
| 47 | sig := syscall.SIGKILL |
| 48 | if err := task.Kill(ctx, sig); err != nil && !errdefs.IsNotFound(err) { |
| 49 | return errors.Wrapf(err, "killing task with %q", sig) |
| 50 | } |
| 51 | |
| 52 | select { |
| 53 | case err := <-deleteErr: |
| 54 | return err |
| 55 | case <-ctx.Done(): |
| 56 | return ctx.Err() |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | func systemInitCmd(ctx context.Context, args []string) { |
| 61 | invoked := filepath.Base(os.Args[0]) |