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.apache.bookkeeper.meta.MetadataDrivers.runFunctionWithLedgerManagerFactory;
  import static org.junit.Assert.assertEquals;
  
  import com.google.common.collect.Lists;
  import com.google.common.util.concurrent.UncheckedExecutionException;
  import lombok.Cleanup;
  import org.apache.bookkeeper.client.ClientUtil;
  import org.apache.bookkeeper.client.LedgerMetadataBuilder;
  import org.apache.bookkeeper.conf.ServerConfiguration;
  import org.apache.bookkeeper.conf.TestBKConfiguration;
  import org.apache.bookkeeper.meta.LedgerManager;
  import org.apache.bookkeeper.meta.LedgerUnderreplicationManager;
  import org.apache.bookkeeper.net.BookieSocketAddress;
  import org.apache.bookkeeper.test.BookKeeperClusterTestCase;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * This test verifies that the period check on the auditor
   * will pick up on missing data in the client.
   */
  public class AuditorPeriodicBookieCheckTest extends BookKeeperClusterTestCase {
      private static final Logger LOG = LoggerFactory
              .getLogger(AuditorPeriodicBookieCheckTest.class);
  
      private AuditorElector auditorElector = null;
  
      private static final int CHECK_INTERVAL = 1; // run every second
  
      public AuditorPeriodicBookieCheckTest() {
          super(3);
          baseConf.setPageLimit(1); // to make it easy to push ledger out of cache
      }
  
      @Before
      @Override
      public void setUp() throws Exception {
          super.setUp();
  
          ServerConfiguration conf = TestBKConfiguration.newServerConfiguration();
          conf.setAuditorPeriodicBookieCheckInterval(CHECK_INTERVAL);
          conf.setMetadataServiceUri(metadataServiceUri);
          conf.setProperty("clientConnectTimeoutMillis", 500);
          String addr = addressByIndex(0).toString();
  
          auditorElector = new AuditorElector(addr, conf);
          auditorElector.start();
      }
  
      @After
      @Override
      public void tearDown() throws Exception {
          auditorElector.shutdown();
  
          super.tearDown();
      }
  
      /**
       * Test that the periodic bookie checker works.
       */
      @Test
      public void testPeriodicBookieCheckInterval() throws Exception {
          confByIndex(0).setMetadataServiceUri(zkUtil.getMetadataServiceUri());
          runFunctionWithLedgerManagerFactory(confByIndex(0), mFactory -> {
              try (LedgerManager ledgerManager = mFactory.newLedgerManager()) {
                  @Cleanup final LedgerUnderreplicationManager underReplicationManager =
                      mFactory.newLedgerUnderreplicationManager();
                  long ledgerId = 12345L;
                  ClientUtil.setupLedger(bkc.getLedgerManager(), ledgerId,
                                         LedgerMetadataBuilder.create().withEnsembleSize(3)
                                         .withWriteQuorumSize(3).withAckQuorumSize(3)
                                         .newEnsembleEntry(0L, Lists.newArrayList(
                                                           new BookieSocketAddress("192.0.2.1", 1000).toBookieId(),
                                                           getBookie(0),
                                                           getBookie(1))));
                  long underReplicatedLedger = -1;
                  for (int i = 0; i < 10; i++) {
                      underReplicatedLedger = underReplicationManager.pollLedgerToRereplicate();
                      if (underReplicatedLedger != -1) {
                          break;
                      }
                      Thread.sleep(CHECK_INTERVAL * 1000);
                  }
                  assertEquals("Ledger should be under replicated", ledgerId, underReplicatedLedger);
              } catch (Exception e) {
                  throw new UncheckedExecutionException(e.getMessage(), e);
              }
              return null;
          });
      }
  }
  