ambari-views/examples/cluster-view/src/main/resources/view.xml

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<view>
  <name>CLUSTER</name>
  <label>Cluster View</label>
  <version>0.1.0</version>
  <description>View to demonstrate cluster association and auto instance creation.</description>
  <parameter>
    <name>setting1</name>
    <description>The first setting.</description>
    <label>Setting #1</label>
    <placeholder>placeholder text for the first setting</placeholder>
    <default-value>default value 1</default-value>
    <required>true</required>
  </parameter>
  <parameter>
    <name>setting2</name>
    <description>The second setting.</description>
    <label>Setting #2</label>
    <placeholder>placeholder text for the second setting</placeholder>
    <default-value>default value 2</default-value>
    <required>true</required>
  </parameter>
  <parameter>
    <name>hdfs_user</name>
    <description>The hdfs_user value from the hadoop-env configuration.  Requires cluster association.</description>
    <label>HDFS User</label>
    <default-value>not available</default-value>
    <cluster-config>hadoop-env/hdfs_user</cluster-config>
  </parameter>
  <parameter>
    <name>proxyuser_group</name>
    <description>The proxyuser_group value from the hadoop-env configuration.  Requires cluster association.</description>
    <label>ProxyUser Group</label>
    <default-value>not available</default-value>
    <cluster-config>hadoop-env/proxyuser_group</cluster-config>
  </parameter>
  <resource>
    <name>configurations</name>
    <service-class>org.apache.ambari.view.cluster.ClusterConfigurationService</service-class>
  </resource>
  <resource>
    <name>settings</name>
    <service-class>org.apache.ambari.view.cluster.SettingService</service-class>
  </resource>
  <auto-instance>
    <name>AUTO_INSTANCE</name>
    <label>Auto Create instance for the CLUSTER view</label>
    <description>This view instance is auto created when the HDFS service is added to a cluster.</description>
    <property>
      <key>setting1</key>
      <value>value1</value>
    </property>
    <property>
      <key>setting2</key>
      <value>value2</value>
    </property>
    <stack-id>HDP-2.*</stack-id>
    <services>
      <service>HDFS</service>
    </services>
  </auto-instance>
  <instance>
    <name>INSTANCE_1</name>
    <label>Default instance for the CLUSTER view</label>
    <description>This view instance is created when the CLUSTER view is deployed.  The instance must be associated with a cluster to have valid cluster configuration values.</description>
    <property>
      <key>setting1</key>
      <value>value1</value>
    </property>
    <property>
      <key>setting2</key>
      <value>value2</value>
    </property>
  </instance>
</view>