| /* |
| * 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.bookie; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.Unpooled; |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.concurrent.CompletableFuture; |
| import org.apache.bookkeeper.bookie.BookieException.Code; |
| import org.apache.bookkeeper.bookie.LedgerDirsManager.NoWritableLedgerDirException; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.apache.bookkeeper.conf.TestBKConfiguration; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| |
| /** |
| * Test a single bookie at readonly mode. |
| */ |
| public class SingleBookieInitializationTest { |
| |
| @Rule |
| public final TemporaryFolder testDir = new TemporaryFolder(); |
| |
| private File journalDir; |
| private File ledgerDir; |
| private ServerConfiguration conf; |
| private Bookie bookie; |
| |
| @Before |
| public void setUp() throws Exception { |
| this.journalDir = testDir.newFolder("journal"); |
| this.ledgerDir = testDir.newFolder("ledgers"); |
| |
| this.conf = TestBKConfiguration.newServerConfiguration(); |
| this.conf.setJournalDirsName(new String[] { journalDir.getAbsolutePath() }); |
| this.conf.setLedgerDirNames(new String[] { ledgerDir.getAbsolutePath() }); |
| this.conf.setMetadataServiceUri(null); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| if (null != this.bookie) { |
| this.bookie.shutdown(); |
| } |
| } |
| |
| private static String generateDataString(long ledger, long entry) { |
| return ("ledger-" + ledger + "-" + entry); |
| } |
| |
| private static ByteBuf generateEntry(long ledger, long entry) { |
| byte[] data = generateDataString(ledger, entry).getBytes(); |
| ByteBuf bb = Unpooled.buffer(8 + 8 + data.length); |
| bb.writeLong(ledger); |
| bb.writeLong(entry); |
| bb.writeBytes(data); |
| return bb; |
| } |
| |
| @Test |
| public void testInitBookieNoWritableDirsButHasEnoughSpaces() throws Exception { |
| float usage = 1.0f - ((float) ledgerDir.getUsableSpace()) / ledgerDir.getTotalSpace(); |
| conf.setDiskUsageThreshold(usage / 2); |
| conf.setDiskUsageWarnThreshold(usage / 3); |
| conf.setMinUsableSizeForEntryLogCreation(Long.MIN_VALUE); |
| conf.setLedgerStorageClass(InterleavedLedgerStorage.class.getName()); |
| |
| bookie = new BookieImpl(conf); |
| bookie.start(); |
| |
| CompletableFuture<Integer> writeFuture = new CompletableFuture<>(); |
| bookie.addEntry( |
| generateEntry(1L, 2L), |
| false, |
| (rc, ledgerId, entryId, addr, ctx) -> writeFuture.complete(rc), |
| null, |
| new byte[0] |
| ); |
| assertEquals(Code.OK, writeFuture.get().intValue()); |
| } |
| |
| @Test |
| public void testInitBookieNoWritableDirsAndNoEnoughSpaces() throws Exception { |
| float usage = 1.0f - ((float) ledgerDir.getUsableSpace()) / ledgerDir.getTotalSpace(); |
| conf.setDiskUsageThreshold(usage / 2); |
| conf.setDiskUsageWarnThreshold(usage / 3); |
| conf.setMinUsableSizeForEntryLogCreation(Long.MAX_VALUE); |
| conf.setLedgerStorageClass(InterleavedLedgerStorage.class.getName()); |
| |
| bookie = new BookieImpl(conf); |
| bookie.start(); |
| |
| try { |
| bookie.addEntry( |
| generateEntry(1L, 2L), |
| false, |
| (rc, ledgerId, entryId, addr, ctx) -> {}, |
| null, |
| new byte[0] |
| ); |
| fail("Should fail on creating new entry log file" |
| + " since there is no enough disk space to accommodate writes"); |
| } catch (IOException ioe) { |
| // expected |
| assertTrue(ioe.getCause() instanceof NoWritableLedgerDirException); |
| } |
| } |
| |
| } |