energylink/public/app/plugins/datasource/elasticsearch/partials/pipeline_variables.html

<div ng-repeat="var in variables">
  <div class="gf-form offset-width-7" ng-if="$index === 0">
    <label class="gf-form-label width-10">Variables</label>
    <input type="text" class="gf-form-input max-width-12" ng-model="var.name" placeholder="Variable name" ng-blur="onChangeInternal()" spellcheck='false'>
    <metric-segment-model property="var.pipelineAgg" options="options" on-change="onChangeInternal()" custom="false" css-class="width-12"></metric-segment-model>
    <label class="gf-form-label">
      <a class="pointer" ng-click="remove($index)"><i class="fa fa-minus"></i></a>
    </label>
    <label class="gf-form-label">
      <a class="pointer" ng-click="add()"><i class="fa fa-plus"></i></a>
    </label>
  </div>
  <div class="gf-form offset-width-17" ng-if="$index !== 0">
    <input type="text" class="gf-form-input max-width-12" ng-model="var.name" placeholder="Variable name" ng-blur="onChangeInternal()" spellcheck='false'>
    <metric-segment-model property="var.pipelineAgg" options="options" on-change="onChangeInternal()" custom="false" css-class="width-12"></metric-segment-model>
    <label class="gf-form-label">
      <a class="pointer" ng-click="remove($index)"><i class="fa fa-minus"></i></a>
    </label>
  </div>
</div>