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   * 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.
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  package org.apache.cassandra.distributed.test;
  
  import java.io.IOException;
  import java.util.concurrent.Callable;
  import java.util.concurrent.ExecutionException;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import com.google.common.util.concurrent.Uninterruptibles;
  import org.junit.Test;
  
  import net.bytebuddy.ByteBuddy;
  import net.bytebuddy.dynamic.loading.ClassLoadingStrategy;
  import net.bytebuddy.implementation.MethodDelegation;
  import net.bytebuddy.implementation.bind.annotation.SuperCall;
  import org.apache.cassandra.distributed.Cluster;
  import org.apache.cassandra.distributed.api.ConsistencyLevel;
  import org.apache.cassandra.distributed.api.Feature;
  import org.apache.cassandra.distributed.api.IInvokableInstance;
  import org.apache.cassandra.gms.Gossiper;
  import org.apache.cassandra.service.StorageService;
  import org.apache.cassandra.streaming.StreamPlan;
  import org.apache.cassandra.streaming.StreamResultFuture;
  import org.apache.cassandra.tcm.ClusterMetadata;
  import org.apache.cassandra.tcm.membership.NodeId;
  
  import static net.bytebuddy.matcher.ElementMatchers.named;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotEquals;
  import static org.junit.Assert.assertTrue;
  
  public class FailingMoveTest extends TestBaseImpl
  {
      @Test
      public void testResumeMove() throws IOException
      {
          try (Cluster cluster = init(Cluster.build(3)
                                             .withoutVNodes()
                                             .withConfig(c -> c.with(Feature.GOSSIP, Feature.NETWORK))
                                             .withInstanceInitializer(BB::install)
                                             .start()))
          {
              cluster.schemaChange(withKeyspace("CREATE TABLE %s.tbl(id int primary key);"));
              for (int i=0; i<30; i++)
                  cluster.coordinator(1).execute(withKeyspace("INSERT INTO %s.tbl (id) VALUES (?)"),
                                                 ConsistencyLevel.ALL, i);
              String oldToken = getToken(cluster.get(3));
              String moveToToken = "2305843009213693949";
              assertNotEquals(oldToken, moveToToken);
              cluster.get(3).nodetoolResult("move", moveToToken).asserts().failure();
              cluster.get(3).runOnInstance(() -> {
                  assertEquals(StorageService.Mode.MOVE_FAILED, StorageService.instance.operationMode());
                  BB.shouldFail.set(false);
              });
  
              cluster.get(3).nodetoolResult("move", "--resume").asserts().success();
              cluster.get(3).runOnInstance(() -> assertEquals(StorageService.Mode.NORMAL, StorageService.instance.operationMode()));
              assertEquals(moveToToken, getToken(cluster.get(3)));
          }
      }
  
      @Test
      public void testAbortMove() throws IOException
      {
          try (Cluster cluster = init(Cluster.build(3)
                                             .withoutVNodes()
                                             .withConfig(c -> c.with(Feature.GOSSIP, Feature.NETWORK))
                                             .withInstanceInitializer(BB::install)
                                             .start()))
          {
              cluster.schemaChange(withKeyspace("CREATE TABLE %s.tbl(id int primary key);"));
              for (int i=0; i<30; i++)
                  cluster.coordinator(1).execute(withKeyspace("INSERT INTO %s.tbl (id) VALUES (?)"),
                                                 ConsistencyLevel.ALL, i);
              String oldToken = getToken(cluster.get(3));
              String moveToToken = "2305843009213693949";
              assertNotEquals(oldToken, moveToToken);
              cluster.get(3).nodetoolResult("move", moveToToken).asserts().failure();
              cluster.get(3).runOnInstance(() -> {
                  assertEquals(StorageService.Mode.MOVE_FAILED, StorageService.instance.operationMode());
                  BB.shouldFail.set(false);
              });
  
              cluster.get(3).nodetoolResult("abortmove").asserts().success();
              cluster.get(3).runOnInstance(() -> assertEquals(StorageService.Mode.NORMAL, StorageService.instance.operationMode()));
              assertNotEquals(moveToToken, getToken(cluster.get(3)));
          }
      }
  
      @Test
      public void testAbortMoveRemote() throws IOException, ExecutionException, InterruptedException
      {
          try (Cluster cluster = init(Cluster.build(3)
                                             .withoutVNodes()
                                             .withConfig(c -> c.with(Feature.GOSSIP, Feature.NETWORK))
                                             .withInstanceInitializer(BB::install)
                                             .start()))
          {
              cluster.schemaChange(withKeyspace("CREATE TABLE %s.tbl(id int primary key);"));
              for (int i=0; i<30; i++)
                  cluster.coordinator(1).execute(withKeyspace("INSERT INTO %s.tbl (id) VALUES (?)"),
                                                 ConsistencyLevel.ALL, i);
              String oldToken = getToken(cluster.get(3));
              String moveToToken = "2305843009213693949";
              assertNotEquals(oldToken, moveToToken);
              cluster.get(3).nodetoolResult("move", moveToToken).asserts().failure();
              int nodeId = cluster.get(3).callOnInstance(() -> {
                  assertEquals(StorageService.Mode.MOVE_FAILED, StorageService.instance.operationMode());
                  BB.shouldFail.set(false);
                  return ClusterMetadata.current().myNodeId().id();
              });
              cluster.get(3).shutdown().get();
              cluster.get(2).runOnInstance(() -> {
                  while (Gossiper.instance.isAlive(ClusterMetadata.current().directory.endpoint(new NodeId(nodeId))))
                      Uninterruptibles.sleepUninterruptibly(1, TimeUnit.SECONDS);
              });
              cluster.get(2).nodetoolResult("abortmove", "--node", String.valueOf(nodeId)).asserts().success();
              cluster.get(3).startup();
              assertNotEquals(moveToToken, getToken(cluster.get(3)));
              cluster.get(3).runOnInstance(() -> {
                  assertEquals(StorageService.Mode.NORMAL, StorageService.instance.operationMode());
                  assertTrue(ClusterMetadata.current().inProgressSequences.isEmpty());
              });
          }
      }
  
      private String getToken(IInvokableInstance instance)
      {
          return instance.callsOnInstance(() -> {
              NodeId self = ClusterMetadata.current().myNodeId();
              return ClusterMetadata.current().tokenMap.tokens(self).iterator().next().toString();
          }).call();
      }
  
      public static class BB
      {
          static AtomicBoolean shouldFail = new AtomicBoolean(true);
          public static void install(ClassLoader classLoader, Integer num)
          {
              new ByteBuddy().rebase(StreamPlan.class)
                             .method(named("execute"))
                             .intercept(MethodDelegation.to(BB.class))
                             .make()
                             .load(classLoader, ClassLoadingStrategy.Default.INJECTION);
          }
  
          @SuppressWarnings("unused")
          public static StreamResultFuture execute(@SuperCall Callable<StreamResultFuture> zuper)
          {
              if (shouldFail.get())
                  throw new RuntimeException("failing stream");
  
              try
              {
                  return zuper.call();
              }
              catch (Exception e)
              {
                  throw new RuntimeException(e);
              }
          }
      }
  
  }
  