def get_vapp_port_forwarding_rules(vAppId)
      params = {
        'method' => :get,
        'command' => "/vApp/vapp-#{vAppId}/networkConfigSection"
      }

      response, headers = send_request(params)

      # FIXME: this will return nil if the vApp uses multiple vApp Networks
      # with Edge devices in natRouted/portForwarding mode.
      config = response.css('NetworkConfigSection/NetworkConfig/Configuration')
      fenceMode = config.css('/FenceMode').text
      natType = config.css('/Features/NatService/NatType').text

      raise InvalidStateError, "Invalid request because FenceMode must be set to natRouted." unless fenceMode == "natRouted"
      raise InvalidStateError, "Invalid request because NatType must be set to portForwarding." unless natType == "portForwarding"

      nat_rules = {}
      config.css('/Features/NatService/NatRule').each do |rule|
        # portforwarding rules information
        ruleId = rule.css('Id').text
        vmRule = rule.css('VmRule')

        nat_rules[rule.css('Id').text] = {
          :ExternalIpAddress  => vmRule.css('ExternalIpAddress').text,
          :ExternalPort       => vmRule.css('ExternalPort').text,
          :VAppScopedVmId     => vmRule.css('VAppScopedVmId').text,
          :VmNicId            => vmRule.css('VmNicId').text,
          :InternalPort       => vmRule.css('InternalPort').text,
          :Protocol           => vmRule.css('Protocol').text
        }
      end
      nat_rules
    end
def get_vapp_port_forwarding_rules(vAppId)
      params = {
        'method' => :get,
        'command' => "/vApp/vapp-#{vAppId}/networkConfigSection"
      }

      response, headers = send_request(params)

      # FIXME: this will return nil if the vApp uses multiple vApp Networks
      # with Edge devices in natRouted/portForwarding mode.
      config = response.css('NetworkConfigSection/NetworkConfig/Configuration')
      fenceMode = config.css('/FenceMode').text
      natType = config.css('/Features/NatService/NatType').text

      raise InvalidStateError, "Invalid request because FenceMode must be set to natRouted." unless fenceMode == "natRouted"
      raise InvalidStateError, "Invalid request because NatType must be set to portForwarding." unless natType == "portForwarding"

      nat_rules = {}
      config.css('/Features/NatService/NatRule').each do |rule|
        # portforwarding rules information
        ruleId = rule.css('Id').text
        vmRule = rule.css('VmRule')

        nat_rules[rule.css('Id').text] = {
          :ExternalIpAddress  => vmRule.css('ExternalIpAddress').text,
          :ExternalPort       => vmRule.css('ExternalPort').text,
          :VAppScopedVmId     => vmRule.css('VAppScopedVmId').text,
          :VmNicId            => vmRule.css('VmNicId').text,
          :InternalPort       => vmRule.css('InternalPort').text,
          :Protocol           => vmRule.css('Protocol').text
        }
      end
      nat_rules
    end
Get vApp port forwarding rules

 - vappid: id of the vApp