| /** |
| * |
| * 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.test; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.File; |
| import java.util.Enumeration; |
| |
| import org.apache.bookkeeper.bookie.Bookie; |
| import org.apache.bookkeeper.bookie.InterleavedLedgerStorage; |
| import org.apache.bookkeeper.bookie.LedgerDirsManager; |
| import org.apache.bookkeeper.client.BookKeeper.DigestType; |
| import org.apache.bookkeeper.client.LedgerEntry; |
| import org.apache.bookkeeper.client.LedgerHandle; |
| import org.junit.Test; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Test to verify force start readonly bookie. |
| */ |
| public class ForceReadOnlyBookieTest extends BookKeeperClusterTestCase { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(ForceReadOnlyBookieTest.class); |
| public ForceReadOnlyBookieTest() { |
| super(2); |
| baseConf.setLedgerStorageClass(InterleavedLedgerStorage.class.getName()); |
| baseConf.setEntryLogFilePreAllocationEnabled(false); |
| } |
| |
| /** |
| * Check force start readonly bookie. |
| */ |
| @Test |
| public void testBookieForceStartAsReadOnly() throws Exception { |
| // create ledger, add entries |
| LedgerHandle ledger = bkc.createLedger(2, 2, DigestType.MAC, |
| "".getBytes()); |
| for (int i = 0; i < 10; i++) { |
| ledger.addEntry("data".getBytes()); |
| } |
| ledger.close(); |
| LOG.info("successed prepare"); |
| |
| // start bookie 1 as readonly |
| bsConfs.get(1).setReadOnlyModeEnabled(true); |
| bsConfs.get(1).setForceReadOnlyBookie(true); |
| restartBookies(); |
| Bookie bookie = bs.get(1).getBookie(); |
| |
| assertTrue("Bookie should be running and in readonly mode", |
| bookie.isRunning() && bookie.isReadOnly()); |
| LOG.info("successed force start ReadOnlyBookie"); |
| |
| // Check new bookie with readonly mode enabled. |
| File[] ledgerDirs = bsConfs.get(1).getLedgerDirs(); |
| assertEquals("Only one ledger dir should be present", 1, ledgerDirs.length); |
| |
| // kill the writable bookie |
| killBookie(0); |
| // read entry from read only bookie |
| Enumeration<LedgerEntry> readEntries = ledger.readEntries(0, 9); |
| while (readEntries.hasMoreElements()) { |
| LedgerEntry entry = readEntries.nextElement(); |
| assertEquals("Entry should contain correct data", "data", |
| new String(entry.getEntry())); |
| } |
| LOG.info("successed read entry from ReadOnlyBookie"); |
| |
| // test will not transfer to Writable mode. |
| LedgerDirsManager ledgerDirsManager = bookie.getLedgerDirsManager(); |
| ledgerDirsManager.addToWritableDirs(new File(ledgerDirs[0], "current"), true); |
| assertTrue("Bookie should be running and in readonly mode", |
| bookie.isRunning() && bookie.isReadOnly()); |
| LOG.info("successed: bookie still readonly"); |
| } |
| } |