metainfo.xml

<?xml version="1.0"?>
<metainfo>
  <schemaVersion>2.0</schemaVersion>
  <services>
    <service>
      <!-- Internal name for service (must be unique) -->
      <name>NTPD</name>
      <!-- display name in Ambari UI -->
      <displayName>ntpd</displayName>
      <!-- Description of service - will be displayed when user clicks add service -->
      <comment>The Network Time Protocol daemon (ntpd) is an operating system program that maintains the system time in synchronization with time servers using the Network Time Protocol. This service is for &lt;b&gt;Demo purposes only&lt;/b&gt; and is &lt;b&gt;not officially supported&lt;/b&gt;</comment>
      <!-- Version of service -->
      <version>0.1.0</version>
      <components>
        <!-- In this case, there is only one master component -->
        <component>
          <name>NTPD_MASTER</name>
          <displayName>ntpd</displayName>
          <category>MASTER</category>
          <!-- how many of these components are allowed in a cluster -->
          <cardinality>1+</cardinality>
          <!-- reference to (and details of) what script is to be used to install/stop/start/config the service -->
          <commandScript>
            <script>scripts/master.py</script>
            <scriptType>PYTHON</scriptType>
            <timeout>600</timeout>
          </commandScript>
        </component>
        <component>
          <name>NTP_CLIENT</name>
          <displayName>ntpdate</displayName>
          <category>CLIENT</category>
          <!-- how many of these components are allowed in a cluster -->
          <cardinality>1+</cardinality>
          <!-- reference to (and details of) what script is to be used to install/stop/start/config the service -->
          <commandScript>
            <script>scripts/client.py</script>
            <scriptType>PYTHON</scriptType>
            <timeout>600</timeout>
          </commandScript>
        </component>
      </components>
      <!-- what yum packages need to be installed -->
      <osSpecifics>
        <osSpecific>
          <osFamily>redhat6,redhat7</osFamily>
          <packages>
            <package>
              <name>ntp</name>
            </package>
            <package>
              <name>ntpdate</name>
            </package>
          </packages>
        </osSpecific>
      </osSpecifics>
      <!-- names for config files (under configuration dir) -->
      <configuration-dependencies>
        <config-type>ntpd-config</config-type>
      </configuration-dependencies>
      <restartRequiredAfterChange>false</restartRequiredAfterChange>
    </service>
  </services>
</metainfo>