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.bookkeeper.replication;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import java.util.Enumeration;
  import java.util.List;
  import java.util.Map.Entry;
  import org.apache.bookkeeper.client.BookKeeper;
  import org.apache.bookkeeper.client.LedgerEntry;
  import org.apache.bookkeeper.client.LedgerHandle;
  import org.apache.bookkeeper.meta.zk.ZKMetadataDriverBase;
  import org.apache.bookkeeper.net.BookieId;
  import org.apache.bookkeeper.test.BookKeeperClusterTestCase;
  import org.apache.bookkeeper.util.BookKeeperConstants;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Test auto recovery.
   */
  public class TestAutoRecoveryAlongWithBookieServers extends
          BookKeeperClusterTestCase {
  
      private String basePath = "";
  
      public TestAutoRecoveryAlongWithBookieServers() {
          super(3);
          setAutoRecoveryEnabled(true);
  
      }
  
      @Before
      @Override
      public void setUp() throws Exception {
          super.setUp();
  
          basePath = ZKMetadataDriverBase.resolveZkLedgersRootPath(baseClientConf) + '/'
              + BookKeeperConstants.UNDER_REPLICATION_NODE
              + BookKeeperConstants.DEFAULT_ZK_LEDGERS_ROOT_PATH;
      }
  
      /**
       * Tests that the auto recovery service along with Bookie servers itself.
       */
      @Test
      public void testAutoRecoveryAlongWithBookieServers() throws Exception {
          LedgerHandle lh = bkc.createLedger(3, 3, BookKeeper.DigestType.CRC32,
                  "testpasswd".getBytes());
          byte[] testData = "testBuiltAutoRecovery".getBytes();
  
          for (int i = 0; i < 10; i++) {
              lh.addEntry(testData);
          }
          lh.close();
          BookieId replicaToKill = lh.getLedgerMetadata().getAllEnsembles().get(0L).get(0);
  
          killBookie(replicaToKill);
  
          BookieId newBkAddr = startNewBookieAndReturnBookieId();
  
          while (ReplicationTestUtil.isLedgerInUnderReplication(zkc, lh.getId(),
                  basePath)) {
              Thread.sleep(100);
          }
  
          // Killing all bookies except newly replicated bookie
          for (Entry<Long, ? extends List<BookieId>> entry :
                   lh.getLedgerMetadata().getAllEnsembles().entrySet()) {
              List<BookieId> bookies = entry.getValue();
              for (BookieId bookie : bookies) {
                  if (bookie.equals(newBkAddr)) {
                      continue;
                  }
                  killBookie(bookie);
              }
          }
  
          // Should be able to read the entries from 0-9
          LedgerHandle lhs = bkc.openLedgerNoRecovery(lh.getId(),
                  BookKeeper.DigestType.CRC32, "testpasswd".getBytes());
          Enumeration<LedgerEntry> entries = lhs.readEntries(0, 9);
          assertTrue("Should have the elements", entries.hasMoreElements());
          while (entries.hasMoreElements()) {
              LedgerEntry entry = entries.nextElement();
              assertEquals("testBuiltAutoRecovery", new String(entry.getEntry()));
          }
      }
  }
  