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>

            <ref name="element-resource-class"/>

            <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>

        <ref name="element-resource-class"/>

        <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>

  <define name="element-resource-class">

    <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>

  </define>

</grammar>