// Join joins a daemon to an existing cluster.
func (d *SwarmDaemon) Join(req swarm.JoinRequest) error {
if req.ListenAddr == "" {
req.ListenAddr = d.listenAddr
}
status, out, err := d.SockRequest("POST", "/swarm/join", req)
if status != http.StatusOK {
return fmt.Errorf("joining swarm: invalid statuscode %v, %q", status, out)
}
if err != nil {
return fmt.Errorf("joining swarm: %v", err)
}
info, err := d.info()
if err != nil {
return err
}
d.Info = info
return nil
}
