<?xml version="1.0" encoding="UTF-8"?>
<grammar xmlns="http://relaxng.org/ns/structure/1.0" 
         datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
  <start>
      <ref name="element-resources"/>
  </start>

  <define name="element-resources">
    <element name="resources">
      <zeroOrMore>
        <choice>
          <ref name="element-primitive"/>
          <ref name="element-template"/>
          <ref name="element-group"/>
          <ref name="element-clone"/>
          <ref name="element-master"/>
        </choice>
      </zeroOrMore>
    </element>
  </define>

  <define name="element-primitive">
    <element name="primitive">
      <interleave>
        <attribute name="id"><data type="ID"/></attribute>
        <choice>
          <group>
            <choice>
              <group>
                <attribute name="class"><value>ocf</value></attribute>
                <attribute name="provider"><text/></attribute>
              </group>
              <attribute name="class">
                <choice>
                  <value>lsb</value>
                  <value>heartbeat</value>
                  <value>stonith</value>
                  <value>upstart</value>
                  <value>service</value>
                  <value>systemd</value>
                  <value>nagios</value>
                </choice>
              </attribute>
            </choice>
            <attribute name="type"><text/></attribute>
          </group>
          <attribute name="template"><data type="IDREF"/></attribute>
        </choice>
        <optional>
          <attribute name="description"><text/></attribute>
        </optional>
        <ref name="element-resource-extra"/>
        <ref name="element-operations"/>
        <zeroOrMore>
          <element name="utilization">
            <externalRef href="nvset-1.3.rng"/>
          </element>
        </zeroOrMore>
      </interleave>
    </element>
  </define>

  <define name="element-template">
    <element name="template">
      <interleave>
        <attribute name="id"><data type="ID"/></attribute>
        <choice>
          <group>
            <attribute name="class"><value>ocf</value></attribute>
            <attribute name="provider"><text/></attribute>
          </group>
          <attribute name="class">
            <choice>
              <value>lsb</value>
              <value>heartbeat</value>
              <value>stonith</value>
              <value>upstart</value>
            </choice>
          </attribute>
        </choice>
        <attribute name="type"><text/></attribute>
        <optional>
          <attribute name="description"><text/></attribute>
        </optional>
        <ref name="element-resource-extra"/>
        <ref name="element-operations"/>
        <zeroOrMore>
          <element name="utilization">
            <externalRef href="nvset-1.3.rng"/>
          </element>
        </zeroOrMore>
      </interleave>
    </element>
  </define>

  <define name="element-group">
    <element name="group">
      <attribute name="id"><data type="ID"/></attribute>
      <optional>
        <attribute name="description"><text/></attribute>
      </optional>
      <interleave>
        <ref name="element-resource-extra"/>
        <oneOrMore>
          <ref name="element-primitive"/>
        </oneOrMore>
      </interleave>
    </element>
  </define>
 
  <define name="element-clone">
    <element name="clone">
      <attribute name="id"><data type="ID"/></attribute>
      <optional>
        <attribute name="description"><text/></attribute>
      </optional>
      <interleave>
        <ref name="element-resource-extra"/>
        <choice>
          <ref name="element-primitive"/>
          <ref name="element-group"/>
        </choice>
      </interleave>
    </element>
  </define>

  <define name="element-master">
    <element name="master">
      <attribute name="id"><data type="ID"/></attribute>
      <optional>
        <attribute name="description"><text/></attribute>
      </optional>
      <interleave>
        <ref name="element-resource-extra"/>
        <choice>
          <ref name="element-primitive"/>
          <ref name="element-group"/>
        </choice>
      </interleave>
    </element>
  </define>

  <define name="element-resource-extra">
      <zeroOrMore>
        <choice>
          <element name="meta_attributes">
            <externalRef href="nvset-1.3.rng"/>
          </element>
          <element name="instance_attributes">
            <externalRef href="nvset-1.3.rng"/>
          </element>
        </choice>
      </zeroOrMore>
  </define>
 
  <define name="element-operations">
    <optional>
      <element name="operations">
        <optional>
          <attribute name="id"><data type="ID"/></attribute>
        </optional>
        <optional>
          <attribute name="id-ref"><data type="IDREF"/></attribute>
        </optional>
        <zeroOrMore>
          <element name="op">
            <attribute name="id"><data type="ID"/></attribute>
            <attribute name="name"><text/></attribute>
            <attribute name="interval"><text/></attribute>
            <optional>
              <attribute name="description"><text/></attribute>
            </optional>
            <optional>
              <choice>
                <attribute name="start-delay"><text/></attribute>
                <attribute name="interval-origin"><text/></attribute>
              </choice>
            </optional>
            <optional>
              <attribute name="timeout"><text/></attribute>
            </optional>
            <optional>
              <attribute name="enabled"><data type="boolean"/></attribute>
            </optional>
            <optional>
              <attribute name="record-pending"><data type="boolean"/></attribute>
            </optional>
            <optional>
              <attribute name="role">
                <choice>
                  <value>Stopped</value>
                  <value>Started</value>
                  <value>Slave</value>
                  <value>Master</value>
                </choice>
              </attribute>
            </optional>
            <optional>
              <attribute name="requires">
                <choice>
                  <value>nothing</value>
                  <value>quorum</value>
                  <value>fencing</value>
                  <value>unfencing</value>
                </choice>
              </attribute>
            </optional>
            <optional>
              <attribute name="on-fail">
                <choice>
                  <value>ignore</value>
                  <value>block</value>
                  <value>stop</value>
                  <value>restart</value>
                  <value>standby</value>
                  <value>fence</value>
                  <value>restart-container</value>
                </choice>
              </attribute>
            </optional>
            <ref name="element-resource-extra"/>
          </element>
        </zeroOrMore>
      </element>
    </optional>
  </define>

</grammar>