ambari/ambari-web/app/templates/main/admin/highAvailability.hbs

{{!
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
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}}

<div>
  {{#if App.isHaEnabled}}
    {{#if App.supports.autoRollbackHA}}
      <p class="text-success">
        {{t admin.highAvailability.enabled}}
        <a class="btn btn-padding btn-success" {{action disableHighAvailability target="controller"}}>{{t admin.highAvailability.button.disable}}</a>
      </p>
    {{else}}
       <p class="text-success">
        {{t admin.highAvailability.enabled}}
       </p>
    {{/if}}

  {{else}}
    {{#if controller.dataIsLoaded}}
      <p class="muted">
        {{t admin.highAvailability.disabled}}
      </p>
      <a class="btn btn-padding btn-success ha-btn" {{action enableHighAvailability target="controller"}}>{{t admin.highAvailability.button.enable}}</a>
    {{else}}
      <div class="spinner"></div>
    {{/if}}
  {{/if}}
  {{#if App.supports.resourceManagerHighAvailability}}
    {{#if App.isRMHaEnabled}}
    <div class="rm-ha">
        <p class="text-success">
          {{t admin.rm_highAvailability.enabled}}
        </p>
    {{else}}
        <p class="muted">
          {{t admin.rm_highAvailability.disabled}}
        </p>
        <a class="btn btn-padding btn-success ha-btn" {{action enableRMHighAvailability target="controller"}}>{{t admin.rm_highAvailability.button.enable}}</a>
    {{/if}}
  </div>
  {{/if}}
</div>