func (cmd) Execute(arguments map[string]interface{}) bool {
URL := arguments["<URL>"].(string)
command := arguments["<command>"].([]string)
tty := isatty.IsTerminal(os.Stdout.Fd())
// Parse URL
u, err := url.Parse(URL)
if err != nil {
fmt.Println("Failed to parse URL, error: ", err)
return false
}
qs := u.Query()
// Set the command, if we have one
if len(command) > 0 {
qs["command"] = command
}
// Set tty=true if we're in a tty
if tty {
qs.Set("tty", "true")
}
// Update query string
u.RawQuery = qs.Encode()
// Connect to remove websocket
ws, res, err := dialer.Dial(u.String(), nil)
if err == websocket.ErrBadHandshake {
fmt.Println("Failed to connect, status: ", res.StatusCode)
return false
}
if err != nil {
fmt.Println("Failed to connect, error: ", err)
return false
}
// Create shell client
shell := shellclient.New(ws)
// Switch terminal to raw mode
cleanup := func() {}
if tty {
cleanup = SetupRawTerminal(shell.SetSize)
}
// Connect pipes
go ioext.CopyAndClose(shell.StdinPipe(), os.Stdin)
go io.Copy(os.Stdout, shell.StdoutPipe())
go io.Copy(os.Stderr, shell.StderrPipe())
// Wait for shell to be done
success, _ := shell.Wait()
// If we were in a tty we let's restore state
cleanup()
return success
}
// ExecShell will send an action to guest-tools to execute a shell, then wait
// for guest-tools to callback establish a websocket and connect to an
// implementation of engines.Shell
func (s *MetaService) ExecShell(command []string, tty bool) (engines.Shell, error) {
var Shell engines.Shell
var Err error
Err = engines.ErrNonFatalInternalError
s.asyncRequest(Action{
Type: "exec-shell",
Command: command,
TTY: tty,
}, func(w http.ResponseWriter, r *http.Request) {
ws, err := upgrader.Upgrade(w, r, nil)
if err != nil {
debug("Failed to upgrade request to websocket, error: %s", err)
Err = engines.ErrNonFatalInternalError
return
}
Shell = shellclient.New(ws)
Err = nil
})
return Shell, Err
}