| 42 | } |
| 43 | |
| 44 | func dockerRun(cfg *container.Config, sess ssh.Session) (status int64, cleanup func(), err error) { |
| 45 | docker, err := client.NewEnvClient() |
| 46 | if err != nil { |
| 47 | panic(err) |
| 48 | } |
| 49 | status = 255 |
| 50 | cleanup = func() {} |
| 51 | ctx := context.Background() |
| 52 | res, err := docker.ContainerCreate(ctx, cfg, nil, nil, "") |
| 53 | if err != nil { |
| 54 | return |
| 55 | } |
| 56 | cleanup = func() { |
| 57 | docker.ContainerRemove(ctx, res.ID, types.ContainerRemoveOptions{}) |
| 58 | } |
| 59 | opts := types.ContainerAttachOptions{ |
| 60 | Stdin: cfg.AttachStdin, |
| 61 | Stdout: cfg.AttachStdout, |
| 62 | Stderr: cfg.AttachStderr, |
| 63 | Stream: true, |
| 64 | } |
| 65 | stream, err := docker.ContainerAttach(ctx, res.ID, opts) |
| 66 | if err != nil { |
| 67 | return |
| 68 | } |
| 69 | cleanup = func() { |
| 70 | docker.ContainerRemove(ctx, res.ID, types.ContainerRemoveOptions{}) |
| 71 | stream.Close() |
| 72 | } |
| 73 | |
| 74 | outputErr := make(chan error) |
| 75 | |
| 76 | go func() { |
| 77 | var err error |
| 78 | if cfg.Tty { |
| 79 | _, err = io.Copy(sess, stream.Reader) |
| 80 | } else { |
| 81 | _, err = stdcopy.StdCopy(sess, sess.Stderr(), stream.Reader) |
| 82 | } |
| 83 | outputErr <- err |
| 84 | }() |
| 85 | |
| 86 | go func() { |
| 87 | defer stream.CloseWrite() |
| 88 | io.Copy(stream.Conn, sess) |
| 89 | }() |
| 90 | |
| 91 | err = docker.ContainerStart(ctx, res.ID, types.ContainerStartOptions{}) |
| 92 | if err != nil { |
| 93 | return |
| 94 | } |
| 95 | if cfg.Tty { |
| 96 | _, winCh, _ := sess.Pty() |
| 97 | go func() { |
| 98 | for win := range winCh { |
| 99 | err := docker.ContainerResize(ctx, res.ID, types.ResizeOptions{ |
| 100 | Height: uint(win.Height), |
| 101 | Width: uint(win.Width), |