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.client;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.fail;
  
  import lombok.extern.slf4j.Slf4j;
  import org.apache.bookkeeper.client.BKException.BKBookieHandleNotAvailableException;
  import org.apache.bookkeeper.client.api.BookKeeper;
  import org.apache.bookkeeper.client.api.LedgerEntries;
  import org.apache.bookkeeper.client.api.ReadHandle;
  import org.apache.bookkeeper.client.api.WriteHandle;
  import org.apache.bookkeeper.conf.ClientConfiguration;
  import org.apache.bookkeeper.discover.ZKRegistrationClient;
  import org.apache.bookkeeper.test.BookKeeperClusterTestCase;
  import org.junit.jupiter.api.Disabled;
  import org.junit.jupiter.api.Test;
  
  /**
   * Tests of the main BookKeeper client and the BP-41 bookieAddressTracking feature.
   */
  @Slf4j
  public class BookieNetworkAddressChangeTest extends BookKeeperClusterTestCase {
  
      public BookieNetworkAddressChangeTest() {
          super(1);
          this.useUUIDasBookieId = true;
      }
  
      @Test
      public void testFollowBookieAddressChange() throws Exception {
          ClientConfiguration conf = new ClientConfiguration();
          conf.setMetadataServiceUri(zkUtil.getMetadataServiceUri());
          try (BookKeeper bkc = BookKeeper.newBuilder(conf)
                          .build();) {
              long lId;
              try (WriteHandle h = bkc
                      .newCreateLedgerOp()
                      .withAckQuorumSize(1)
                      .withEnsembleSize(1)
                      .withWriteQuorumSize(1)
                      .withPassword(new byte[0])
                      .execute()
                      .get();) {
                  lId = h.getId();
                  h.append("foo".getBytes("utf-8"));
              }
  
              // restart bookie, change port
              // on metadata we have a bookieId, not the network address
              restartBookies(c -> c);
  
              try (ReadHandle h = bkc
                      .newOpenLedgerOp()
                      .withLedgerId(lId)
                      .withRecovery(true)
                      .withPassword(new byte[0])
                      .execute()
                      .get()) {
                  assertEquals(0, h.getLastAddConfirmed());
                  try (LedgerEntries entries = h.read(0, 0);) {
                      assertEquals("foo", new String(entries.getEntry(0).getEntryBytes(), "utf-8"));
                  }
              }
          }
      }
  
      @Test
      @Disabled("PLSR-1850 Seems like restart of the bookie always comes up on same port hence failing this test")
      public void testFollowBookieAddressChangeTrckingDisabled() throws Exception {
          ClientConfiguration conf = new ClientConfiguration();
          conf.setMetadataServiceUri(zkUtil.getMetadataServiceUri());
          conf.setEnableBookieAddressTracking(false);
          try (BookKeeper bkc = BookKeeper.newBuilder(conf)
                          .build();) {
              long lId;
              try (WriteHandle h = bkc
                      .newCreateLedgerOp()
                      .withAckQuorumSize(1)
                      .withEnsembleSize(1)
                      .withWriteQuorumSize(1)
                      .withPassword(new byte[0])
                      .execute()
                      .get();) {
                  lId = h.getId();
                  h.append("foo".getBytes("utf-8"));
              }
  
              // restart bookie, change port
              // on metadata we have a bookieId, not the network address
              restartBookie(getBookie(0));
              try (ReadHandle h = bkc
                      .newOpenLedgerOp()
                      .withLedgerId(lId)
                      .withRecovery(true)
                      .withPassword(new byte[0])
                      .execute()
                      .get()) {
                  try (LedgerEntries entries = h.read(0, 0);) {
                      fail("Should not be able to connect to the bookie with Bookie Address Tracking Disabled");
                  } catch (BKBookieHandleNotAvailableException expected) {
                  }
              }
          }
      }
  
      @Test
      public void testFollowBookieAddressChangeZkSessionExpire() throws Exception {
          ClientConfiguration conf = new ClientConfiguration();
          conf.setMetadataServiceUri(zkUtil.getMetadataServiceUri());
          try (BookKeeper bkc = BookKeeper.newBuilder(conf)
                          .build();) {
              long lId;
              try (WriteHandle h = bkc
                      .newCreateLedgerOp()
                      .withAckQuorumSize(1)
                      .withEnsembleSize(1)
                      .withWriteQuorumSize(1)
                      .withPassword(new byte[0])
                      .execute()
                      .get();) {
                  lId = h.getId();
                  h.append("foo".getBytes("utf-8"));
              }
  
              log.error("expiring ZK session!");
              // expire zk session
              ZKRegistrationClient regClient = (ZKRegistrationClient) ((org.apache.bookkeeper.client.BookKeeper) bkc)
                      .getMetadataClientDriver()
                      .getRegistrationClient();
  
              regClient.getZk().getTestable().injectSessionExpiration();
  
              // restart bookie, change port
              // on metadata we have a bookieId, not the network address
              restartBookies(c -> c);
  
              try (ReadHandle h = bkc
                      .newOpenLedgerOp()
                      .withLedgerId(lId)
                      .withRecovery(true)
                      .withPassword(new byte[0])
                      .execute()
                      .get()) {
                  assertEquals(0, h.getLastAddConfirmed());
                  try (LedgerEntries entries = h.read(0, 0);) {
                      assertEquals("foo", new String(entries.getEntry(0).getEntryBytes(), "utf-8"));
                  }
              }
          }
      }
  }