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.test;
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.cassandra.utils.concurrent.Condition;
  import org.junit.AfterClass;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import org.apache.cassandra.distributed.Cluster;
  import org.apache.cassandra.distributed.api.ConsistencyLevel;
  import org.apache.cassandra.distributed.api.IInvokableInstance;
  
  import static com.google.common.collect.ImmutableList.of;
  import static java.util.concurrent.TimeUnit.MINUTES;
  import static org.apache.cassandra.dht.Murmur3Partitioner.*;
  import static org.apache.cassandra.dht.Murmur3Partitioner.LongToken.keyForToken;
  import static org.apache.cassandra.distributed.api.Feature.GOSSIP;
  import static org.apache.cassandra.distributed.api.Feature.NETWORK;
  import static org.apache.cassandra.distributed.shared.AssertUtils.assertRows;
  import static org.apache.cassandra.service.StorageService.instance;
  import static org.apache.cassandra.utils.concurrent.Condition.newOneTimeCondition;
  import static org.apache.cassandra.utils.progress.ProgressEventType.COMPLETE;
  
  public class RepairBoundaryTest extends TestBaseImpl
  {
      private static Cluster cluster;
  
      private static final String INSERT = withKeyspace("INSERT INTO %s.test (k, c1, c2) VALUES" +
                                                        "(?, 'C1', ?);");
  
      private static final String DELETE = withKeyspace("DELETE FROM %s.test WHERE k = ?;");
      private static final String ALL = withKeyspace("SELECT c2 FROM %s.test;");
  
      private final Map<Integer, ByteBuffer> keys = new HashMap<>();
  
      private Object[][] c2Row(int... keys)
      {
          Object[][] ret = new Object[keys.length][];
          for (int i = 0; i < keys.length; i++)
          {
              ret[i] = new Object[]{ String.valueOf(keys[i]) };
          }
          return ret;
      }
  
      void delete(IInvokableInstance instance, int... toDelete)
      {
          for (int key : toDelete)
          {
              instance.executeInternal(DELETE, keys.get(key));
          }
      }
  
      void verify()
      {
          assertRows(c2Row(999, 1000, 2001, 2999, 3000, 3001), cluster.get(1).executeInternal(ALL));
          assertRows(c2Row(999, 1000, 1001, 1999, 2000, 3001), cluster.get(2).executeInternal(ALL));
          assertRows(c2Row(1001, 1999, 2000, 2001, 2999, 3000), cluster.get(3).executeInternal(ALL));
      }
  
      /**
       * Insert on every token boundary and + or - to first replica.
       */
      void populate()
      {
          try
          {
              cluster.schemaChange(withKeyspace("DROP TABLE IF EXISTS %s.test;"));
              cluster.schemaChange(withKeyspace("CREATE TABLE %s.test (k blob, c1 text, c2 text," +
                                                "PRIMARY KEY (k))"));
  
              for (int i = 1000; i <= 3000; i += 1000)
              {
                  keys.put(i, keyForToken(new LongToken(i)));
                  keys.put(i - 1, keyForToken(new LongToken(i - 1)));
                  keys.put(i + 1, keyForToken(new LongToken(i + 1)));
  
                  cluster.coordinator(1).execute(INSERT, ConsistencyLevel.ALL, keys.get(i), String.valueOf(i));
                  cluster.coordinator(1).execute(INSERT, ConsistencyLevel.ALL, keys.get(i - 1), String.valueOf(i - 1));
                  cluster.coordinator(1).execute(INSERT, ConsistencyLevel.ALL, keys.get(i + 1), String.valueOf(i + 1));
              }
          }
          catch (Throwable t)
          {
              cluster.close();
              throw t;
          }
      }
  
      @Test
      public void primaryRangeRepair()
      {
          populate();
          verify();
  
          delete(cluster.get(1), 999, 1000, 3001);
          delete(cluster.get(2), 1999, 2000, 1001);
          delete(cluster.get(3), 2999, 3000, 2001);
  
          cluster.forEach(i -> {
              i.nodetoolResult("repair", "-pr", "--full", KEYSPACE).asserts().success();
          });
  
          assertRows(c2Row(), cluster.get(1).executeInternal(ALL));
          assertRows(c2Row(), cluster.get(2).executeInternal(ALL));
          assertRows(c2Row(), cluster.get(3).executeInternal(ALL));
      }
  
      @Test
      public void singleTokenRangeRepair()
      {
          populate();
          verify();
  
          delete(cluster.get(1), 999, 1000);
          delete(cluster.get(3), 1001);
  
          cluster.get(2).runOnInstance(() -> {
              try
              {
                  Map<String, String> options = new HashMap<>();
                  options.put("ranges", "999:1000");
                  options.put("incremental", "false");
                  Condition await = newOneTimeCondition();
                  instance.repair(KEYSPACE, options, of((tag, event) -> {
                      if (event.getType() == COMPLETE)
                          await.signalAll();
                  })).right.get();
                  await.await(1L, MINUTES);
              }
              catch (Exception e)
              {
              }
          });
  
          assertRows(c2Row(999, 1001, 1999, 2000, 3001), cluster.get(2).executeInternal(ALL));
      }
  
  
      @BeforeClass
      public static void init() throws IOException
      {
          cluster = Cluster.build(3)
                           .withConfig(config -> config.set("hinted_handoff_enabled", false)
                                                       .set("num_tokens", 1)
                                                       .set("initial_token", Long.toString(config.num() * 1000))
                                                       .with(NETWORK)
                                                       .with(GOSSIP))
                           .start();
          cluster.schemaChange(withKeyspace("CREATE KEYSPACE %s WITH replication = " +
                                            "{'class': 'SimpleStrategy', 'replication_factor': 2};"));
      }
  
      @AfterClass
      public static void closeCluster()
      {
          if (cluster != null)
              cluster.close();
      }
  }
  