Add remount button for mountlike backup configs

src/views/backups.html

@@ -440,8 +440,9 @@
     <br/>
 
     <div class="row">
-      <div class="col-md-12 text-right">
+      <div class="col-md-12">
         <button class="btn btn-outline btn-primary pull-right" ng-show="user.role === 'owner'" ng-click="configureBackup.show()">{{ 'backups.location.configure' | tr }}</button>
+        <button class="btn btn-outline btn-default pull-right" ng-show="user.role === 'owner' && mountlike(backupConfig.provider)" ng-disabled="remount.busy" ng-click="remount.submit()"><i class="fa fa-circle-notch fa-spin" ng-show="remount.busy"></i> {{ 'backups.location.remount' | tr }}</button>
       </div>
     </div>
   </div>

src/views/backups.js

@@ -190,6 +190,31 @@ angular.module('Application').controller('BackupsController', ['$scope', '$locat
         return tmp ? tmp.name : '';
     };
 
+    $scope.remount = {
+        busy: false,
+        error: null,
+
+        submit: function () {
+            if (!$scope.mountlike($scope.backupConfig.provider)) return;
+
+            $scope.remount.busy = true;
+            $scope.remount.error = null;
+
+            Client.remountBackupStorage(function (error) {
+                if (error) {
+                    console.error('Failed to remount backup storage.', error);
+                    $scope.remount.error = error.message;
+                }
+
+                // give the backend some time
+                $timeout(function () {
+                    $scope.remount.busy = false;
+                    getBackupConfig();
+                }, 2000);
+            });
+        }
+    };
+
     $scope.createBackup = {
         busy: false,
         percent: 0,

src/views/volumes.js

@@ -70,7 +70,7 @@ angular.module('Application').controller('VolumesController', ['$scope', '$locat
             $timeout(function () {
                 volume.remounting = false;
                 refreshVolumes(function (error) { if (error) console.error('Failed to refresh volume states.', error); });
-            }, 3000);
+            }, 2000);
         });
     };