<?xml version="1.0"?>
<!-- NTP configuration -->
<interfaceDefinition>
  <node name="system">
    <children>
      <node name="ntp" owner="${vyos_conf_scripts_dir}/ntp.py">
        <properties>
          <help>Network Time Protocol (NTP) configuration</help>
          <priority>400</priority>
        </properties>
        <children>
          <tagNode name="server">
            <properties>
              <help>Network Time Protocol (NTP) server</help>
            </properties>
            <children>
              <leafNode name="noselect">
                <properties>
                  <help>Marks the server as unused</help>
                  <valueless/>
                </properties>
              </leafNode>
              <leafNode name="preempt">
                <properties>
                  <help>Specifies the association as preemptable rather than the default persistent</help>
                  <valueless/>
                </properties>
              </leafNode>
              <leafNode name="prefer">
                <properties>
                  <help>Marks the server as preferred</help>
                  <valueless/>
                </properties>
              </leafNode>
            </children>
          </tagNode>
          <node name="allow-clients">
            <properties>
              <help>Network Time Protocol (NTP) server options</help>
            </properties>
            <children>
              <leafNode name="address">
                <properties>
                  <help>IP address</help>
                  <valueHelp>
                    <format>ipv4net</format>
                    <description>IP address and prefix length</description>
                  </valueHelp>
                  <valueHelp>
                    <format>ipv6net</format>
                    <description>IPv6 address and prefix length</description>
                  </valueHelp>
                  <multi/>
                  <constraint>
                    <validator name="ip-prefix"/>
                  </constraint>
                </properties>
              </leafNode>
            </children>
          </node>
          <leafNode name="listen-address">
            <properties>
              <help>Addresses to listen for NTP queries</help>
              <valueHelp>
                <format>ipv4</format>
                <description>Network Time Protocol (NTP) IPv4 address</description>
              </valueHelp>
              <valueHelp>
                <format>ipv6</format>
                <description>Network Time Protocol (NTP) IPv6 address</description>
              </valueHelp>
              <multi/>
              <constraint>
                <validator name="ipv4-address"/>
                <validator name="ipv6-address"/>
              </constraint>
            </properties>
          </leafNode>
        </children>
      </node>
    </children>
  </node>
</interfaceDefinition>