def varz(name, pwd)
    json_get(target, "/varz", key_style, "authorization" => Http.basic_auth(name, pwd))
  end
def varz(name, pwd)
    json_get(target, "/varz", key_style, "authorization" => Http.basic_auth(name, pwd))
  end
Gets various monitoring and status variables from the server.
 Authenticates using +name+ and +pwd+ for basic authentication.
 @param (see Misc.server)
 @return [Hash]