| /* |
| * 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.hadoop.ozone.container.keyvalue; |
| |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.nio.charset.Charset; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.UUID; |
| |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.container.common.interfaces.ContainerPacker; |
| |
| import org.apache.commons.compress.archivers.tar.TarArchiveEntry; |
| import org.apache.commons.compress.archivers.tar.TarArchiveInputStream; |
| import org.apache.commons.compress.compressors.CompressorException; |
| import org.apache.commons.compress.compressors.CompressorInputStream; |
| import org.apache.commons.compress.compressors.CompressorStreamFactory; |
| import org.apache.commons.io.FileUtils; |
| import org.apache.commons.io.IOUtils; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| /** |
| * Test the tar/untar for a given container. |
| */ |
| public class TestTarContainerPacker { |
| |
| private static final String TEST_DB_FILE_NAME = "test1"; |
| |
| private static final String TEST_DB_FILE_CONTENT = "test1"; |
| |
| private static final String TEST_CHUNK_FILE_NAME = "chunk1"; |
| |
| private static final String TEST_CHUNK_FILE_CONTENT = "This is a chunk"; |
| |
| private static final String TEST_DESCRIPTOR_FILE_CONTENT = "descriptor"; |
| |
| private ContainerPacker packer = new TarContainerPacker(); |
| |
| private static final Path SOURCE_CONTAINER_ROOT = |
| Paths.get("target/test/data/packer-source-dir"); |
| |
| private static final Path DEST_CONTAINER_ROOT = |
| Paths.get("target/test/data/packer-dest-dir"); |
| |
| @BeforeClass |
| public static void init() throws IOException { |
| initDir(SOURCE_CONTAINER_ROOT); |
| initDir(DEST_CONTAINER_ROOT); |
| } |
| |
| private static void initDir(Path path) throws IOException { |
| if (path.toFile().exists()) { |
| FileUtils.deleteDirectory(path.toFile()); |
| } |
| path.toFile().mkdirs(); |
| } |
| |
| private KeyValueContainerData createContainer(long id, Path dir, |
| OzoneConfiguration conf) throws IOException { |
| |
| Path containerDir = dir.resolve("container" + id); |
| Path dbDir = containerDir.resolve("db"); |
| Path dataDir = containerDir.resolve("data"); |
| Files.createDirectories(dbDir); |
| Files.createDirectories(dataDir); |
| |
| KeyValueContainerData containerData = new KeyValueContainerData( |
| id, -1, UUID.randomUUID().toString(), UUID.randomUUID().toString()); |
| containerData.setChunksPath(dataDir.toString()); |
| containerData.setMetadataPath(dbDir.getParent().toString()); |
| containerData.setDbFile(dbDir.toFile()); |
| |
| |
| return containerData; |
| } |
| |
| @Test |
| public void pack() throws IOException, CompressorException { |
| |
| //GIVEN |
| OzoneConfiguration conf = new OzoneConfiguration(); |
| |
| KeyValueContainerData sourceContainerData = |
| createContainer(1L, SOURCE_CONTAINER_ROOT, conf); |
| |
| KeyValueContainer sourceContainer = |
| new KeyValueContainer(sourceContainerData, conf); |
| |
| //sample db file in the metadata directory |
| try (FileWriter writer = new FileWriter( |
| sourceContainerData.getDbFile().toPath() |
| .resolve(TEST_DB_FILE_NAME) |
| .toFile())) { |
| IOUtils.write(TEST_DB_FILE_CONTENT, writer); |
| } |
| |
| //sample chunk file in the chunk directory |
| try (FileWriter writer = new FileWriter( |
| Paths.get(sourceContainerData.getChunksPath()) |
| .resolve(TEST_CHUNK_FILE_NAME) |
| .toFile())) { |
| IOUtils.write(TEST_CHUNK_FILE_CONTENT, writer); |
| } |
| |
| //sample container descriptor file |
| try (FileWriter writer = new FileWriter( |
| sourceContainer.getContainerFile())) { |
| IOUtils.write(TEST_DESCRIPTOR_FILE_CONTENT, writer); |
| } |
| |
| Path targetFile = |
| SOURCE_CONTAINER_ROOT.getParent().resolve("container.tar.gz"); |
| |
| //WHEN: pack it |
| try (FileOutputStream output = new FileOutputStream(targetFile.toFile())) { |
| packer.pack(sourceContainer, output); |
| } |
| |
| //THEN: check the result |
| try (FileInputStream input = new FileInputStream(targetFile.toFile())) { |
| CompressorInputStream uncompressed = new CompressorStreamFactory() |
| .createCompressorInputStream(CompressorStreamFactory.GZIP, input); |
| TarArchiveInputStream tarStream = new TarArchiveInputStream(uncompressed); |
| |
| TarArchiveEntry entry; |
| Map<String, TarArchiveEntry> entries = new HashMap<>(); |
| while ((entry = tarStream.getNextTarEntry()) != null) { |
| entries.put(entry.getName(), entry); |
| } |
| |
| Assert.assertTrue( |
| entries.containsKey("container.yaml")); |
| |
| } |
| |
| //read the container descriptor only |
| try (FileInputStream input = new FileInputStream(targetFile.toFile())) { |
| String containerYaml = new String(packer.unpackContainerDescriptor(input), |
| Charset.forName(UTF_8.name())); |
| Assert.assertEquals(TEST_DESCRIPTOR_FILE_CONTENT, containerYaml); |
| } |
| |
| KeyValueContainerData destinationContainerData = |
| createContainer(2L, DEST_CONTAINER_ROOT, conf); |
| |
| KeyValueContainer destinationContainer = |
| new KeyValueContainer(destinationContainerData, conf); |
| |
| String descriptor = ""; |
| |
| //unpackContainerData |
| try (FileInputStream input = new FileInputStream(targetFile.toFile())) { |
| descriptor = |
| new String(packer.unpackContainerData(destinationContainer, input), |
| Charset.forName(UTF_8.name())); |
| } |
| |
| assertExampleMetadataDbIsGood( |
| destinationContainerData.getDbFile().toPath()); |
| assertExampleChunkFileIsGood( |
| Paths.get(destinationContainerData.getChunksPath())); |
| Assert.assertFalse( |
| "Descriptor file should not been exctarcted by the " |
| + "unpackContainerData Call", |
| destinationContainer.getContainerFile().exists()); |
| Assert.assertEquals(TEST_DESCRIPTOR_FILE_CONTENT, descriptor); |
| |
| } |
| |
| |
| private void assertExampleMetadataDbIsGood(Path dbPath) |
| throws IOException { |
| |
| Path dbFile = dbPath.resolve(TEST_DB_FILE_NAME); |
| |
| Assert.assertTrue( |
| "example DB file is missing after pack/unpackContainerData: " + dbFile, |
| Files.exists(dbFile)); |
| |
| try (FileInputStream testFile = new FileInputStream(dbFile.toFile())) { |
| List<String> strings = IOUtils |
| .readLines(testFile, Charset.forName(UTF_8.name())); |
| Assert.assertEquals(1, strings.size()); |
| Assert.assertEquals(TEST_DB_FILE_CONTENT, strings.get(0)); |
| } |
| } |
| |
| private void assertExampleChunkFileIsGood(Path chunkDirPath) |
| throws IOException { |
| |
| Path chunkFile = chunkDirPath.resolve(TEST_CHUNK_FILE_NAME); |
| |
| Assert.assertTrue( |
| "example chunk file is missing after pack/unpackContainerData: " |
| + chunkFile, |
| Files.exists(chunkFile)); |
| |
| try (FileInputStream testFile = new FileInputStream(chunkFile.toFile())) { |
| List<String> strings = IOUtils |
| .readLines(testFile, Charset.forName(UTF_8.name())); |
| Assert.assertEquals(1, strings.size()); |
| Assert.assertEquals(TEST_CHUNK_FILE_CONTENT, strings.get(0)); |
| } |
| } |
| |
| } |