system_name-server.xml.in

<?xml version="1.0"?>
<interfaceDefinition>
  <node name="system">
    <children>
      <leafNode name="name-server" owner="${vyos_conf_scripts_dir}/system_host-name.py">
        <properties>
          <help>System Domain Name Servers (DNS)</help>
          <priority>400</priority>
          <completionHelp>
            <script>${vyos_completion_dir}/list_interfaces</script>
          </completionHelp>
          <valueHelp>
            <format>ipv4</format>
            <description>Domain Name Server IPv4 address</description>
          </valueHelp>
          <valueHelp>
            <format>ipv6</format>
            <description>Domain Name Server IPv6 address</description>
          </valueHelp>
          <valueHelp>
            <format>txt</format>
            <description>Use Domain Name Server from DHCP interface</description>
          </valueHelp>
          <multi/>
          <constraint>
            <validator name="ip-address"/>
            #include <include/constraint/interface-name.xml.i>
          </constraint>
        </properties>
      </leafNode>
    </children>
  </node>
</interfaceDefinition>