app/server-control/controllers/power-operations-modal.html

<!-- Shutdown and Reboot modal -->
<div class="uib-modal__content">
  <button
    aria-label="Close"
    type="button"
    class="btn  btn--close  float-right"
    ng-click="$dismiss()"
  >
    <icon file="icon-close.svg"></icon>
  </button>
  <div class="modal-header" id="modal-operation">
    <h3>
      <div class="icon__warning inline" aria-label="Warning"></div>
      {{
        activeModal === 2 || activeModal === 3
          ? "Server shutdown will cause outage"
          : "Server reboot will cause outage"
      }}
    </h3>
  </div>
  <div class="modal-body">
    <p ng-if="activeModal === 2 || activeModal === 3">
      Are you sure you want to
      {{ activeModal === 2 ? "orderly" : "immediate" }}
      shutdown?
    </p>
    <p ng-if="activeModal === 0 || activeModal === 1">
      Are you sure you want to
      {{ activeModal === 0 ? "orderly" : "immediate" }}
      reboot?
    </p>
  </div>
  <div class="modal-footer">
    <!-- Power operation confirm buttons -->
    <button
      type="submit"
      class="btn btn-primary"
      ng-click="$close(activeModal)"
    >
      <span ng-if="activeModal === 0 || activeModal === 1">Reboot</span>
      <span ng-if="activeModal === 2 || activeModal === 3">Shutdown</span>
    </button>
    <!-- Cancel modal power confirmation -->
    <button type="button" class="btn btn-secondary" ng-click="$dismiss()">
      Cancel
    </button>
  </div>
</div>