func (t *tty) attach(process *libcontainer.Process) error {
if t.console != nil {
go io.Copy(t.console, os.Stdin)
go io.Copy(os.Stdout, t.console)
state, err := term.SetRawTerminal(os.Stdin.Fd())
if err != nil {
return err
}
t.state = state
process.Stderr = nil
process.Stdout = nil
process.Stdin = nil
} else {
// setup standard pipes so that the TTY of the calling nsinit process
// is not inherited by the container.
r, w, err := os.Pipe()
if err != nil {
return err
}
go io.Copy(w, os.Stdin)
t.closers = append(t.closers, w)
process.Stdin = r
if r, w, err = os.Pipe(); err != nil {
return err
}
go io.Copy(os.Stdout, r)
process.Stdout = w
t.closers = append(t.closers, r)
if r, w, err = os.Pipe(); err != nil {
return err
}
go io.Copy(os.Stderr, r)
process.Stderr = w
t.closers = append(t.closers, r)
}
return nil
}
func (t *tty) attach(process *libcontainer.Process) error {
if t.console != nil {
go io.Copy(t.console, os.Stdin)
go io.Copy(os.Stdout, t.console)
state, err := term.SetRawTerminal(os.Stdin.Fd())
if err != nil {
return err
}
t.state = state
process.Stderr = nil
process.Stdout = nil
process.Stdin = nil
}
return nil
}
func setupPipes(container *configs.Config, processConfig *execdriver.ProcessConfig, p *libcontainer.Process, pipes *execdriver.Pipes) error {
var term execdriver.Terminal
var err error
if processConfig.Tty {
rootuid, err := container.HostUID()
if err != nil {
return err
}
cons, err := p.NewConsole(rootuid)
if err != nil {
return err
}
term, err = NewTtyConsole(cons, pipes, rootuid)
} else {
p.Stdout = pipes.Stdout
p.Stderr = pipes.Stderr
r, w, err := os.Pipe()
if err != nil {
return err
}
if pipes.Stdin != nil {
go func() {
io.Copy(w, pipes.Stdin)
w.Close()
}()
p.Stdin = r
}
term = &execdriver.StdConsole{}
}
if err != nil {
return err
}
processConfig.Terminal = term
return nil
}
