/*
    *
    * 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
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  package org.apache.hadoop.hbase.replication;
  
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  import org.apache.hadoop.hbase.testclassification.LargeTests;
  import org.apache.hadoop.hbase.client.Get;
  import org.apache.hadoop.hbase.client.Put;
  import org.apache.hadoop.hbase.client.Result;
  import org.apache.hadoop.hbase.util.Bytes;
  import org.junit.Test;
  import org.junit.experimental.categories.Category;
  
  import static org.junit.Assert.assertArrayEquals;
  import static org.junit.Assert.fail;
  
  @Category(LargeTests.class)
  public class TestReplicationDisableInactivePeer extends TestReplicationBase {
  
    private static final Log LOG = LogFactory.getLog(TestReplicationDisableInactivePeer.class);
  
    /**
     * Test disabling an inactive peer. Add a peer which is inactive, trying to
     * insert, disable the peer, then activate the peer and make sure nothing is
     * replicated. In Addition, enable the peer and check the updates are
     * replicated.
     *
     * @throws Exception
     */
    @Test(timeout = 600000)
    public void testDisableInactivePeer() throws Exception {
  
      // enabling and shutdown the peer
      admin.enablePeer("2");
      utility2.shutdownMiniHBaseCluster();
  
      byte[] rowkey = Bytes.toBytes("disable inactive peer");
      Put put = new Put(rowkey);
      put.add(famName, row, row);
      htable1.put(put);
  
      // wait for the sleep interval of the master cluster to become long
      Thread.sleep(SLEEP_TIME * NB_RETRIES);
  
      // disable and start the peer
      admin.disablePeer("2");
      utility2.startMiniHBaseCluster(1, 2);
      htable2 = utility2.getConnection().getTable(tableName);
      Get get = new Get(rowkey);
      for (int i = 0; i < NB_RETRIES; i++) {
        Result res = htable2.get(get);
        if (res.size() >= 1) {
          fail("Replication wasn't disabled");
        } else {
          LOG.info("Row not replicated, let's wait a bit more...");
          Thread.sleep(SLEEP_TIME);
        }
      }
  
      // Test enable replication
      admin.enablePeer("2");
      // wait since the sleep interval would be long
      Thread.sleep(SLEEP_TIME * NB_RETRIES);
      for (int i = 0; i < NB_RETRIES; i++) {
        Result res = htable2.get(get);
        if (res.size() == 0) {
          LOG.info("Row not available");
          Thread.sleep(SLEEP_TIME * NB_RETRIES);
        } else {
          assertArrayEquals(res.value(), row);
          return;
        }
      }
      fail("Waited too much time for put replication");
    }
  }