content: /*
   * 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
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.apache.cassandra.distributed.util;
  
  import org.apache.cassandra.auth.CassandraRoleManager;
  import org.apache.cassandra.distributed.api.IInvokableInstance;
  
  import static java.util.concurrent.TimeUnit.SECONDS;
  import static org.awaitility.Awaitility.await;
  
  public class Auth
  {
  
      public static void waitForExistingRoles(IInvokableInstance instance)
      {
          assert instance != null && !instance.isShutdown() && instance.isValid();
  
          await().pollDelay(1, SECONDS)
                 .pollInterval(1, SECONDS)
                 .atMost(60, SECONDS)
                 .until(() -> instance.callOnInstance(CassandraRoleManager::hasExistingRoles));
      }
  
  }
  