def login(username, password, optional = nil)
      set_ssh_options(username, password, port=22, conn_timeout=nil)
      @volume = VolumeManager.new(@http, @ssh, @app_type)
      @http.authenticate(username, password, optional)
    end
def login(username, password, optional = nil)
      set_ssh_options(username, password, port=22, conn_timeout=nil)
      @volume = VolumeManager.new(@http, @ssh, @app_type)
      @http.authenticate(username, password, optional)
    end
This authenticates against the 3PAR WSAPI server and creates a session.
 ==== Attributes

 * username - The username
      type username: String
 * password - The Password
      type password: String