| /* |
| * 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.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| import java.util.Iterator; |
| import lombok.extern.slf4j.Slf4j; |
| import org.apache.bookkeeper.bookie.BookieImpl; |
| import org.apache.bookkeeper.client.BKException.BKIllegalOpException; |
| import org.apache.bookkeeper.client.BookKeeper.DigestType; |
| import org.apache.bookkeeper.common.testing.annotations.FlakyTest; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.apache.bookkeeper.meta.UnderreplicatedLedger; |
| import org.apache.bookkeeper.meta.ZkLedgerUnderreplicationManager; |
| import org.apache.bookkeeper.test.BookKeeperClusterTestCase; |
| import org.junit.Test; |
| |
| /** |
| * Unit test of bookie decommission operations. |
| */ |
| @Slf4j |
| public class BookieDecommissionTest extends BookKeeperClusterTestCase { |
| |
| private static final int NUM_OF_BOOKIES = 6; |
| private static DigestType digestType = DigestType.CRC32; |
| private static final String PASSWORD = "testPasswd"; |
| |
| public BookieDecommissionTest() { |
| super(NUM_OF_BOOKIES, 480); |
| baseConf.setOpenLedgerRereplicationGracePeriod(String.valueOf(30000)); |
| setAutoRecoveryEnabled(true); |
| } |
| |
| @FlakyTest("https://github.com/apache/bookkeeper/issues/502") |
| public void testDecommissionBookie() throws Exception { |
| ZkLedgerUnderreplicationManager urLedgerMgr = new ZkLedgerUnderreplicationManager(baseClientConf, zkc); |
| BookKeeperAdmin bkAdmin = new BookKeeperAdmin(zkUtil.getZooKeeperConnectString()); |
| |
| int numOfLedgers = 2 * NUM_OF_BOOKIES; |
| int numOfEntries = 2 * NUM_OF_BOOKIES; |
| for (int i = 0; i < numOfLedgers; i++) { |
| LedgerHandle lh = bkc.createLedger(3, 2, digestType, PASSWORD.getBytes()); |
| for (int j = 0; j < numOfEntries; j++) { |
| lh.addEntry("entry".getBytes()); |
| } |
| lh.close(); |
| } |
| /* |
| * create ledgers having empty segments (segment with no entries) |
| */ |
| for (int i = 0; i < numOfLedgers; i++) { |
| LedgerHandle emptylh = bkc.createLedger(3, 2, digestType, PASSWORD.getBytes()); |
| emptylh.close(); |
| } |
| |
| try { |
| /* |
| * if we try to call decommissionBookie for a bookie which is not |
| * shutdown, then it should throw BKIllegalOpException |
| */ |
| bkAdmin.decommissionBookie(bs.get(0).getBookieId()); |
| fail("Expected BKIllegalOpException because that bookie is not shutdown yet"); |
| } catch (BKIllegalOpException bkioexc) { |
| // expected IllegalException |
| } |
| |
| ServerConfiguration killedBookieConf = killBookie(1); |
| /* |
| * this decommisionBookie should make sure that there are no |
| * underreplicated ledgers because of this bookie |
| */ |
| bkAdmin.decommissionBookie(BookieImpl.getBookieId(killedBookieConf)); |
| bkAdmin.triggerAudit(); |
| Thread.sleep(500); |
| Iterator<UnderreplicatedLedger> ledgersToRereplicate = urLedgerMgr.listLedgersToRereplicate(null); |
| if (ledgersToRereplicate.hasNext()) { |
| while (ledgersToRereplicate.hasNext()) { |
| Long ledgerId = ledgersToRereplicate.next().getLedgerId(); |
| log.error("Ledger: {} is underreplicated which is not expected", ledgerId); |
| } |
| fail("There are not supposed to be any underreplicatedledgers"); |
| } |
| |
| killedBookieConf = killBookie(0); |
| bkAdmin.decommissionBookie(BookieImpl.getBookieId(killedBookieConf)); |
| bkAdmin.triggerAudit(); |
| Thread.sleep(500); |
| ledgersToRereplicate = urLedgerMgr.listLedgersToRereplicate(null); |
| if (ledgersToRereplicate.hasNext()) { |
| while (ledgersToRereplicate.hasNext()) { |
| Long ledgerId = ledgersToRereplicate.next().getLedgerId(); |
| log.error("Ledger: {} is underreplicated which is not expected", ledgerId); |
| } |
| fail("There are not supposed to be any underreplicatedledgers"); |
| } |
| bkAdmin.close(); |
| } |
| |
| @Test |
| public void testDecommissionForLedgersWithMultipleSegmentsAndNotWriteClosed() throws Exception { |
| ZkLedgerUnderreplicationManager urLedgerMgr = new ZkLedgerUnderreplicationManager(baseClientConf, zkc); |
| BookKeeperAdmin bkAdmin = new BookKeeperAdmin(zkUtil.getZooKeeperConnectString()); |
| int numOfEntries = 2 * NUM_OF_BOOKIES; |
| |
| LedgerHandle lh1 = bkc.createLedgerAdv(1L, numBookies, 3, 3, digestType, PASSWORD.getBytes(), null); |
| LedgerHandle lh2 = bkc.createLedgerAdv(2L, numBookies, 3, 3, digestType, PASSWORD.getBytes(), null); |
| LedgerHandle lh3 = bkc.createLedgerAdv(3L, numBookies, 3, 3, digestType, PASSWORD.getBytes(), null); |
| LedgerHandle lh4 = bkc.createLedgerAdv(4L, numBookies, 3, 3, digestType, PASSWORD.getBytes(), null); |
| for (int j = 0; j < numOfEntries; j++) { |
| lh1.addEntry(j, "data".getBytes()); |
| lh2.addEntry(j, "data".getBytes()); |
| lh3.addEntry(j, "data".getBytes()); |
| lh4.addEntry(j, "data".getBytes()); |
| } |
| |
| startNewBookie(); |
| |
| assertEquals("Number of Available Bookies", NUM_OF_BOOKIES + 1, bkAdmin.getAvailableBookies().size()); |
| |
| ServerConfiguration killedBookieConf = killBookie(0); |
| |
| /* |
| * since one of the bookie is killed, ensemble change happens when next |
| * write is made.So new fragment will be created for those 2 ledgers. |
| */ |
| for (int j = numOfEntries; j < 2 * numOfEntries; j++) { |
| lh1.addEntry(j, "data".getBytes()); |
| lh2.addEntry(j, "data".getBytes()); |
| } |
| |
| /* |
| * Here lh1 and lh2 have multiple fragments and are writeclosed. But lh3 and lh4 are |
| * not writeclosed and contains only one fragment. |
| */ |
| lh1.close(); |
| lh2.close(); |
| |
| /* |
| * If the last fragment of the ledger is underreplicated and if the |
| * ledger is not closed then it will remain underreplicated for |
| * openLedgerRereplicationGracePeriod (by default 30 secs). For more |
| * info. Check BOOKKEEPER-237 and BOOKKEEPER-325. But later |
| * ReplicationWorker will fence the ledger. |
| */ |
| bkAdmin.decommissionBookie(BookieImpl.getBookieId(killedBookieConf)); |
| bkAdmin.triggerAudit(); |
| Thread.sleep(500); |
| Iterator<UnderreplicatedLedger> ledgersToRereplicate = urLedgerMgr.listLedgersToRereplicate(null); |
| if (ledgersToRereplicate.hasNext()) { |
| while (ledgersToRereplicate.hasNext()) { |
| long ledgerId = ledgersToRereplicate.next().getLedgerId(); |
| log.error("Ledger: {} is underreplicated which is not expected", ledgerId); |
| } |
| fail("There are not supposed to be any underreplicatedledgers"); |
| } |
| bkAdmin.close(); |
| } |
| |
| } |