| /* |
| * |
| * 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.meta; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.IOException; |
| import java.lang.reflect.Field; |
| import org.apache.bookkeeper.conf.ClientConfiguration; |
| import org.apache.bookkeeper.meta.zk.ZKMetadataDriverBase; |
| import org.apache.bookkeeper.test.BookKeeperClusterTestCase; |
| import org.apache.bookkeeper.util.BookKeeperConstants; |
| import org.apache.zookeeper.CreateMode; |
| import org.apache.zookeeper.ZooDefs.Ids; |
| import org.junit.Test; |
| |
| /** |
| * Test store/read/delete ledger layout operations on zookeeper. |
| */ |
| public class ZkLedgerLayoutTest extends BookKeeperClusterTestCase { |
| |
| public ZkLedgerLayoutTest() { |
| super(0); |
| } |
| |
| protected ClientConfiguration newClientConfiguration() { |
| return new ClientConfiguration() |
| .setMetadataServiceUri(metadataServiceUri); |
| } |
| |
| @Test |
| public void testLedgerLayout() throws Exception { |
| ClientConfiguration conf = newClientConfiguration(); |
| conf.setLedgerManagerFactoryClass(HierarchicalLedgerManagerFactory.class); |
| String ledgerRootPath = "/testLedgerLayout"; |
| ZkLayoutManager zkLayoutManager = new ZkLayoutManager(zkc, ledgerRootPath, Ids.OPEN_ACL_UNSAFE); |
| |
| zkc.create(ledgerRootPath, new byte[0], |
| Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); |
| |
| assertEquals(null, zkLayoutManager.readLedgerLayout()); |
| |
| String testName = "foobar"; |
| int testVersion = 0xdeadbeef; |
| // use layout defined in configuration also create it in zookeeper |
| LedgerLayout layout2 = new LedgerLayout(testName, testVersion); |
| zkLayoutManager.storeLedgerLayout(layout2); |
| |
| LedgerLayout layout = zkLayoutManager.readLedgerLayout(); |
| assertEquals(testName, layout.getManagerFactoryClass()); |
| assertEquals(testVersion, layout.getManagerVersion()); |
| } |
| |
| private void writeLedgerLayout( |
| String ledgersRootPath, |
| String managerType, |
| int managerVersion, int layoutVersion) |
| throws Exception { |
| LedgerLayout layout = new LedgerLayout(managerType, managerVersion); |
| |
| Field f = LedgerLayout.class.getDeclaredField("layoutFormatVersion"); |
| f.setAccessible(true); |
| f.set(layout, layoutVersion); |
| ZkLayoutManager zkLayoutManager = new ZkLayoutManager(zkc, ledgersRootPath, Ids.OPEN_ACL_UNSAFE); |
| |
| zkLayoutManager.storeLedgerLayout(layout); |
| } |
| |
| @Test |
| public void testBadVersionLedgerLayout() throws Exception { |
| ClientConfiguration conf = newClientConfiguration(); |
| String zkLedgersRootPath = ZKMetadataDriverBase.resolveZkLedgersRootPath(conf); |
| // write bad version ledger layout |
| writeLedgerLayout(zkLedgersRootPath, |
| HierarchicalLedgerManagerFactory.class.getName(), |
| HierarchicalLedgerManagerFactory.CUR_VERSION, |
| LedgerLayout.LAYOUT_FORMAT_VERSION + 1); |
| |
| ZkLayoutManager zkLayoutManager = new ZkLayoutManager(zkc, zkLedgersRootPath, Ids.OPEN_ACL_UNSAFE); |
| |
| try { |
| zkLayoutManager.readLedgerLayout(); |
| fail("Shouldn't reach here!"); |
| } catch (IOException ie) { |
| assertTrue("Invalid exception", ie.getMessage().contains("version not compatible")); |
| } |
| } |
| |
| @Test |
| public void testAbsentLedgerManagerLayout() throws Exception { |
| ClientConfiguration conf = newClientConfiguration(); |
| String ledgersLayout = ZKMetadataDriverBase.resolveZkLedgersRootPath(conf) + "/" |
| + BookKeeperConstants.LAYOUT_ZNODE; |
| // write bad format ledger layout |
| StringBuilder sb = new StringBuilder(); |
| sb.append(LedgerLayout.LAYOUT_FORMAT_VERSION).append("\n"); |
| zkc.create(ledgersLayout, sb.toString().getBytes(), |
| Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); |
| ZkLayoutManager zkLayoutManager = new ZkLayoutManager( |
| zkc, ZKMetadataDriverBase.resolveZkLedgersRootPath(conf), Ids.OPEN_ACL_UNSAFE); |
| |
| try { |
| zkLayoutManager.readLedgerLayout(); |
| fail("Shouldn't reach here!"); |
| } catch (IOException ie) { |
| assertTrue("Invalid exception", ie.getMessage().contains("version absent from")); |
| } |
| } |
| |
| @Test |
| public void testBaseLedgerManagerLayout() throws Exception { |
| ClientConfiguration conf = newClientConfiguration(); |
| String rootPath = ZKMetadataDriverBase.resolveZkLedgersRootPath(conf); |
| String ledgersLayout = rootPath + "/" |
| + BookKeeperConstants.LAYOUT_ZNODE; |
| // write bad format ledger layout |
| StringBuilder sb = new StringBuilder(); |
| sb.append(LedgerLayout.LAYOUT_FORMAT_VERSION).append("\n") |
| .append(HierarchicalLedgerManagerFactory.class.getName()); |
| zkc.create(ledgersLayout, sb.toString().getBytes(), |
| Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT); |
| ZkLayoutManager zkLayoutManager = new ZkLayoutManager(zkc, rootPath, Ids.OPEN_ACL_UNSAFE); |
| |
| try { |
| zkLayoutManager.readLedgerLayout(); |
| fail("Shouldn't reach here!"); |
| } catch (IOException ie) { |
| assertTrue("Invalid exception", ie.getMessage().contains("Invalid Ledger Manager")); |
| } |
| } |
| |
| @Test |
| public void testReadV1LedgerManagerLayout() throws Exception { |
| ClientConfiguration conf = newClientConfiguration(); |
| String zkLedgersRootPath = ZKMetadataDriverBase.resolveZkLedgersRootPath(conf); |
| // write v1 ledger layout |
| writeLedgerLayout(zkLedgersRootPath, |
| HierarchicalLedgerManagerFactory.NAME, |
| HierarchicalLedgerManagerFactory.CUR_VERSION, 1); |
| ZkLayoutManager zkLayoutManager = new ZkLayoutManager(zkc, zkLedgersRootPath, Ids.OPEN_ACL_UNSAFE); |
| |
| LedgerLayout layout = zkLayoutManager.readLedgerLayout(); |
| |
| assertNotNull("Should not be null", layout); |
| assertEquals(HierarchicalLedgerManagerFactory.NAME, layout.getManagerFactoryClass()); |
| assertEquals(HierarchicalLedgerManagerFactory.CUR_VERSION, layout.getManagerVersion()); |
| assertEquals(1, layout.getLayoutFormatVersion()); |
| } |
| } |