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

<h5>CloudWatch details</h5>

<div class="tight-form">
  <ul class="tight-form-list">
    <li class="tight-form-item" style="width: 160px">
      Default Region
    </li>
    <li>
      <input type="text" class="tight-form-input input-xlarge" ng-model='current.jsonData.defaultRegion' placeholder="" required></input>
    </li>
  </ul>
  <ul class="tight-form-list">
    <li class="tight-form-item">
      Access <tip>Direct = url is used directly from browser, Proxy = Grafana backend will proxy the request</label>
    </li>
    <li>
      <select class="input-small tight-form-input" ng-model="current.jsonData.access" ng-options="f for f in ['direct', 'proxy']" ng-init="current.jsonData.access = current.jsonData.access || 'direct'"></select>
    </li>
  </ul>
  <div class="clearfix"></div>
</div>
<div class="tight-form" ng-show="current.jsonData.access === 'direct'">
  <ul class="tight-form-list">
    <li class="tight-form-item" style="width: 160px">
      Access Key Id
    </li>
    <li>
      <input type="text" class="tight-form-input input-xlarge" ng-model='current.jsonData.accessKeyId' placeholder="" ng-required="current.jsonData.access === 'direct'"></input>
    </li>
  </ul>
  <div class="clearfix"></div>
</div>
<div class="tight-form" ng-show="current.jsonData.access === 'direct'">
  <ul class="tight-form-list">
    <li class="tight-form-item" style="width: 160px">
			Secret Access Key
    </li>
    <li>
			<input type="password" class="tight-form-input input-xlarge" ng-model='current.jsonData.secretAccessKey' placeholder="" ng-required="current.jsonData.access === 'direct'"></input>
    </li>
  </ul>
  <div class="clearfix"></div>
</div>
<div class="tight-form last">
  <ul class="tight-form-list">
    <li class="tight-form-item" style="width: 160px">
      Custom Metric Attributes
    </li>
    <li>
      <input type="text" class="tight-form-input input-xlarge" ng-model='current.jsonData.customMetricsAttributes[0]' ng-init="current.jsonData.customMetricsAttributes = current.jsonData.customMetricsAttributes || []" placeholder="JSON url" bs-tooltip="'Set JSON url of the result, \'aws cloudwatch list-metrics --output json\''"></input>
    </li>
  </ul>
  <div class="clearfix"></div>
</div>