grafana/public/app/plugins/datasource/graphite/partials/config.html

<datasource-http-settings
	current="ctrl.current"
	suggest-url="http://localhost:8080">
</datasource-http-settings>

<h3 class="page-heading">Graphite details</h3>

<div class="gf-form-group">
	<div class="gf-form">
		<span class="gf-form-label width-8">
      Version
      <info-popover mode="right-normal" position="top center">
        This option controls what functions are available in the Graphite query editor.
      </info-popover>
    </span>
		<select class="gf-form-input gf-size-auto" ng-model="ctrl.current.jsonData.graphiteVersion" ng-options="f.value as f.name for f in ctrl.graphiteVersions"></select>
	</div>
</div>