def update_settings(instance_id, settings)
      params = {
        :instance_id => instance_id
      }

      instance = Models::RegistryInstance[params] || Models::RegistryInstance.new(params)
      instance.settings = settings
      instance.save
    end
def update_settings(instance_id, settings)
      params = {
        :instance_id => instance_id
      }

      instance = Models::RegistryInstance[params] || Models::RegistryInstance.new(params)
      instance.settings = settings
      instance.save
    end
Updates instance settings
 @param [String] instance_id instance id (instance record
        will be created in DB if it doesn't already exist)
 @param [String] settings New settings for the instance