# File lib/fog/network/openstack/requests/create_ipsec_site_connection.rb, line 5
        def create_ipsec_site_connection(vpn_service_id, ike_policy_id, ipsec_policy_id, options = {})
          data = {
            'ipsec_site_connection' => {
              'vpnservice_id'  => vpn_service_id,
              'ikepolicy_id'   => ike_policy_id,
              'ipsecpolicy_id' => ipsec_policy_id
            }
          }

          vanilla_options = [:name, :description, :tenant_id,
                             :peer_address, :peer_id, :peer_cidrs,
                             :psk, :mtu, :dpd, :initiator,
                             :admin_state_up]
          vanilla_options.reject { |o| options[o].nil? }.each do |key|
            data['ipsec_site_connection'][key] = options[key]
          end

          request(
            :body    => Fog::JSON.encode(data),
            :expects => [201],
            :method  => 'POST',
            :path    => 'vpn/ipsec-site-connections'
          )
        end