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Posted to issues@ozone.apache.org by GitBox <gi...@apache.org> on 2020/10/01 03:58:27 UTC
[GitHub] [hadoop-ozone] bharatviswa504 commented on a change in pull request #1404: HDDS-2949: mkdir : store directory entries in a separate table
bharatviswa504 commented on a change in pull request #1404:
URL: https://github.com/apache/hadoop-ozone/pull/1404#discussion_r497970366
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File path: hadoop-ozone/ozone-manager/src/test/java/org/apache/hadoop/ozone/om/request/file/TestOMDirectoryCreateRequestV1.java
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+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.om.request.file;
+
+import com.google.common.base.Optional;
+import org.apache.commons.lang3.RandomStringUtils;
+import org.apache.commons.lang3.tuple.Pair;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
+import org.apache.hadoop.hdds.utils.db.cache.CacheKey;
+import org.apache.hadoop.hdds.utils.db.cache.CacheValue;
+import org.apache.hadoop.ozone.audit.AuditLogger;
+import org.apache.hadoop.ozone.audit.AuditMessage;
+import org.apache.hadoop.ozone.om.OMConfigKeys;
+import org.apache.hadoop.ozone.om.OMMetadataManager;
+import org.apache.hadoop.ozone.om.OMMetrics;
+import org.apache.hadoop.ozone.om.OmMetadataManagerImpl;
+import org.apache.hadoop.ozone.om.OzoneManager;
+import org.apache.hadoop.ozone.om.ResolvedBucket;
+import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
+import org.apache.hadoop.ozone.om.helpers.OmDirectoryInfo;
+import org.apache.hadoop.ozone.om.helpers.OmKeyInfo;
+import org.apache.hadoop.ozone.om.helpers.OzoneFSUtils;
+import org.apache.hadoop.ozone.om.ratis.utils.OzoneManagerDoubleBufferHelper;
+import org.apache.hadoop.ozone.om.request.OMClientRequest;
+import org.apache.hadoop.ozone.om.request.TestOMRequestUtils;
+import org.apache.hadoop.ozone.om.response.OMClientResponse;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.CreateDirectoryRequest;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.KeyArgs;
+import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.OMRequest;
+import org.jetbrains.annotations.NotNull;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+import org.mockito.Mockito;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import static org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos.Status.VOLUME_NOT_FOUND;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.when;
+
+/**
+ * Test OM directory create request V1 layout version.
+ */
+public class TestOMDirectoryCreateRequestV1 {
+
+ @Rule
+ public TemporaryFolder folder = new TemporaryFolder();
+
+ private OzoneManager ozoneManager;
+ private OMMetrics omMetrics;
+ private OMMetadataManager omMetadataManager;
+ private AuditLogger auditLogger;
+ // Just setting ozoneManagerDoubleBuffer which does nothing.
+ private OzoneManagerDoubleBufferHelper ozoneManagerDoubleBufferHelper =
+ ((response, transactionIndex) -> {
+ return null;
+ });
+
+ @Before
+ public void setup() throws Exception {
+ ozoneManager = Mockito.mock(OzoneManager.class);
+ omMetrics = OMMetrics.create();
+ OzoneConfiguration ozoneConfiguration = new OzoneConfiguration();
+ ozoneConfiguration.set(OMConfigKeys.OZONE_OM_DB_DIRS,
+ folder.newFolder().getAbsolutePath());
+ omMetadataManager = new OmMetadataManagerImpl(ozoneConfiguration);
+ when(ozoneManager.getMetrics()).thenReturn(omMetrics);
+ when(ozoneManager.getMetadataManager()).thenReturn(omMetadataManager);
+ auditLogger = Mockito.mock(AuditLogger.class);
+ when(ozoneManager.getAuditLogger()).thenReturn(auditLogger);
+ Mockito.doNothing().when(auditLogger).logWrite(any(AuditMessage.class));
+ when(ozoneManager.resolveBucketLink(any(KeyArgs.class),
+ any(OMClientRequest.class)))
+ .thenReturn(new ResolvedBucket(Pair.of("", ""), Pair.of("", "")));
+ }
+
+ @After
+ public void stop() {
+ omMetrics.unRegister();
+ Mockito.framework().clearInlineMocks();
+ }
+
+ @Test
+ public void testPreExecute() throws Exception {
+ String volumeName = "vol1";
+ String bucketName = "bucket1";
+ String keyName = "a/b/c";
+
+ TestOMRequestUtils.addVolumeAndBucketToDB(volumeName, bucketName,
+ omMetadataManager);
+
+ OMRequest omRequest = createDirectoryRequest(volumeName, bucketName,
+ keyName);
+ OMDirectoryCreateRequestV1 omDirectoryCreateRequestV1 =
+ new OMDirectoryCreateRequestV1(omRequest);
+
+ OMRequest modifiedOmRequest =
+ omDirectoryCreateRequestV1.preExecute(ozoneManager);
+
+ // As in preExecute, we modify original request.
+ Assert.assertNotEquals(omRequest, modifiedOmRequest);
+ }
+
+ @Test
+ public void testValidateAndUpdateCache() throws Exception {
+ String volumeName = "vol1";
+ String bucketName = "bucket1";
+ List<String> dirs = new ArrayList<String>();
+ String keyName = createDirKey(dirs);
+
+ // Add volume and bucket entries to DB.
+ TestOMRequestUtils.addVolumeAndBucketToDB(volumeName, bucketName,
+ omMetadataManager);
+
+ String bucketKey = omMetadataManager.getBucketKey(volumeName, bucketName);
+ OmBucketInfo omBucketInfo =
+ omMetadataManager.getBucketTable().get(bucketKey);
+ long bucketID = omBucketInfo.getObjectID();
+
+ OMRequest omRequest = createDirectoryRequest(volumeName, bucketName,
+ keyName);
+ OMDirectoryCreateRequestV1 omDirCreateRequestV1 =
+ new OMDirectoryCreateRequestV1(omRequest);
+
+ OMRequest modifiedOmRequest = omDirCreateRequestV1.preExecute(ozoneManager);
+
+ omDirCreateRequestV1 = new OMDirectoryCreateRequestV1(modifiedOmRequest);
+
+ OMClientResponse omClientResponse =
+ omDirCreateRequestV1.validateAndUpdateCache(ozoneManager, 100L,
+ ozoneManagerDoubleBufferHelper);
+
+ Assert.assertTrue(omClientResponse.getOMResponse().getStatus()
+ == OzoneManagerProtocolProtos.Status.OK);
+ verifyDirectoriesInDB(dirs, bucketID);
+ }
+
+ @Test
+ public void testValidateAndUpdateCacheWithVolumeNotFound() throws Exception {
+ String volumeName = "vol1";
+ String bucketName = "bucket1";
+ List<String> dirs = new ArrayList<String>();
+ String keyName = createDirKey(dirs);
+
+ OMRequest omRequest = createDirectoryRequest(volumeName, bucketName,
+ keyName);
+ OMDirectoryCreateRequestV1 omDirCreateRequestV1 =
+ new OMDirectoryCreateRequestV1(omRequest);
+
+ OMRequest modifiedOmRequest = omDirCreateRequestV1.preExecute(ozoneManager);
+
+ omDirCreateRequestV1 = new OMDirectoryCreateRequestV1(modifiedOmRequest);
+
+ OMClientResponse omClientResponse =
+ omDirCreateRequestV1.validateAndUpdateCache(ozoneManager, 100L,
+ ozoneManagerDoubleBufferHelper);
+
+ Assert.assertEquals(VOLUME_NOT_FOUND,
+ omClientResponse.getOMResponse().getStatus());
+
+ // Key should not exist in DB
+ Assert.assertTrue("Unexpected directory entries!",
+ omMetadataManager.getDirectoryTable().isEmpty());
+
+ }
+
+ @Test
+ public void testValidateAndUpdateCacheWithBucketNotFound() throws Exception {
+ String volumeName = "vol1";
+ String bucketName = "bucket1";
+ List<String> dirs = new ArrayList<String>();
+ String keyName = createDirKey(dirs);
+
+ OMRequest omRequest = createDirectoryRequest(volumeName, bucketName,
+ keyName);
+ OMDirectoryCreateRequestV1 omDirCreateRequestV1 =
+ new OMDirectoryCreateRequestV1(omRequest);
+
+ OMRequest modifiedOmRequest = omDirCreateRequestV1.preExecute(ozoneManager);
+
+ omDirCreateRequestV1 = new OMDirectoryCreateRequestV1(modifiedOmRequest);
+ TestOMRequestUtils.addVolumeToDB(volumeName, omMetadataManager);
+
+ OMClientResponse omClientResponse =
+ omDirCreateRequestV1.validateAndUpdateCache(ozoneManager, 100L,
+ ozoneManagerDoubleBufferHelper);
+
+ Assert.assertTrue(omClientResponse.getOMResponse().getStatus()
+ == OzoneManagerProtocolProtos.Status.BUCKET_NOT_FOUND);
+
+ // Key should not exist in DB
+ Assert.assertTrue("Unexpected directory entries!",
+ omMetadataManager.getDirectoryTable().isEmpty());
+ }
+
+ @Test
+ public void testValidateAndUpdateCacheWithSubDirectoryInPath()
+ throws Exception {
+ String volumeName = "vol1";
+ String bucketName = "bucket1";
+ List<String> dirs = new ArrayList<String>();
+ String keyName = createDirKey(dirs);
+
+ // Add volume and bucket entries to DB.
+ TestOMRequestUtils.addVolumeAndBucketToDB(volumeName, bucketName,
+ omMetadataManager);
+
+ String bucketKey = omMetadataManager.getBucketKey(volumeName, bucketName);
+ OmBucketInfo omBucketInfo =
+ omMetadataManager.getBucketTable().get(bucketKey);
+ long bucketID = omBucketInfo.getObjectID();
+ int objID = 100;
+
+ //1. Create root
+ OmDirectoryInfo omDirInfo =
+ TestOMRequestUtils.createOmDirectoryInfo(dirs.get(0), objID++,
+ bucketID);
+ TestOMRequestUtils.addDirKeyToDirTable(true, omDirInfo, 5000,
+ omMetadataManager);
+ //2. Create sub-directory under root
+ omDirInfo = TestOMRequestUtils.createOmDirectoryInfo(dirs.get(1), objID++,
+ omDirInfo.getObjectID());
+ TestOMRequestUtils.addDirKeyToDirTable(true, omDirInfo, 5000,
+ omMetadataManager);
+
+ OMRequest omRequest = createDirectoryRequest(volumeName, bucketName,
+ keyName);
+ OMDirectoryCreateRequestV1 omDirCreateRequestV1 =
+ new OMDirectoryCreateRequestV1(omRequest);
+
+ OMRequest modifiedOmRequest = omDirCreateRequestV1.preExecute(ozoneManager);
+
+ omDirCreateRequestV1 = new OMDirectoryCreateRequestV1(modifiedOmRequest);
+
+ OMClientResponse omClientResponse =
+ omDirCreateRequestV1.validateAndUpdateCache(ozoneManager, 100L,
+ ozoneManagerDoubleBufferHelper);
+
+ Assert.assertTrue(omClientResponse.getOMResponse().getStatus()
+ == OzoneManagerProtocolProtos.Status.OK);
+
+ // Key should exist in DB and cache.
+ verifyDirectoriesInDB(dirs, bucketID);
+ }
+
+ @Test
+ public void testValidateAndUpdateCacheWithDirectoryAlreadyExists()
+ throws Exception {
+ String volumeName = "vol1";
+ String bucketName = "bucket1";
+ List<String> dirs = new ArrayList<String>();
+ String keyName = createDirKey(dirs);
+
+ // Add volume and bucket entries to DB.
+ TestOMRequestUtils.addVolumeAndBucketToDB(volumeName, bucketName,
+ omMetadataManager);
+
+ String bucketKey = omMetadataManager.getBucketKey(volumeName, bucketName);
+ OmBucketInfo omBucketInfo =
+ omMetadataManager.getBucketTable().get(bucketKey);
+ long bucketID = omBucketInfo.getObjectID();
+
+ // bucketID is the parent
+ long parentID = bucketID;
+
+ // add all the directories into DirectoryTable
+ for (int indx = 0; indx < dirs.size(); indx++) {
+ long objID = 100 + indx;
+ long txnID = 5000 + indx;
+ // for index=0, parentID is bucketID
+ OmDirectoryInfo omDirInfo = TestOMRequestUtils.createOmDirectoryInfo(
+ dirs.get(indx), objID, parentID);
+ TestOMRequestUtils.addDirKeyToDirTable(false, omDirInfo,
+ txnID, omMetadataManager);
+
+ parentID = omDirInfo.getObjectID();
+ }
+
+ OMRequest omRequest = createDirectoryRequest(volumeName, bucketName,
+ keyName);
+ OMDirectoryCreateRequestV1 omDirCreateRequestV1 =
+ new OMDirectoryCreateRequestV1(omRequest);
+
+ OMRequest modifiedOmRequest = omDirCreateRequestV1.preExecute(ozoneManager);
+
+ omDirCreateRequestV1 = new OMDirectoryCreateRequestV1(modifiedOmRequest);
+
+ OMClientResponse omClientResponse =
+ omDirCreateRequestV1.validateAndUpdateCache(ozoneManager, 100L,
+ ozoneManagerDoubleBufferHelper);
+
+ Assert.assertTrue(omClientResponse.getOMResponse().getStatus()
+ == OzoneManagerProtocolProtos.Status.DIRECTORY_ALREADY_EXISTS);
+
+ Assert.assertEquals("Wrong OM numKeys metrics",
+ 0, ozoneManager.getMetrics().getNumKeys());
+
+ // Key should exist in DB and doesn't added to cache.
+ verifyDirectoriesInDB(dirs, bucketID);
+ verifyDirectoriesNotInCache(dirs, bucketID);
+ }
+
+ /**
+ * Case: File exists with the same name as the requested directory.
+ * Say, requested to createDir '/a/b/c' and there is a file exists with
+ * same name.
+ */
+ @Test
+ public void testValidateAndUpdateCacheWithFilesInPath() throws Exception {
+ String volumeName = "vol1";
+ String bucketName = "bucket1";
+ List<String> dirs = new ArrayList<String>();
+ String keyName = createDirKey(dirs);
+
+ // Add volume and bucket entries to DB.
+ TestOMRequestUtils.addVolumeAndBucketToDB(volumeName, bucketName,
+ omMetadataManager);
+ String bucketKey = omMetadataManager.getBucketKey(volumeName, bucketName);
+ OmBucketInfo omBucketInfo =
+ omMetadataManager.getBucketTable().get(bucketKey);
+ long parentID = omBucketInfo.getObjectID();
+
+ // add all the parent directories into DirectoryTable. This won't create
+ // the leaf node and this will be used in CreateDirectoryReq.
+ for (int indx = 0; indx < dirs.size() - 1; indx++) {
+ long objID = 100 + indx;
+ long txnID = 5000 + indx;
+ // for index=0, parentID is bucketID
+ OmDirectoryInfo omDirInfo = TestOMRequestUtils.createOmDirectoryInfo(
+ dirs.get(indx), objID, parentID);
+ TestOMRequestUtils.addDirKeyToDirTable(false, omDirInfo,
+ txnID, omMetadataManager);
+
+ parentID = omDirInfo.getObjectID();
+ }
+
+ long objID = parentID + 100;
+ long txnID = 50000;
+
+ // Add a file into the FileTable, this is to simulate "file exists" check.
+ OmKeyInfo omKeyInfo = TestOMRequestUtils.createOmKeyInfo(volumeName,
+ bucketName, keyName, HddsProtos.ReplicationType.RATIS,
+ HddsProtos.ReplicationFactor.THREE, objID++);
+ String ozoneFileName = parentID + "/" + dirs.get(dirs.size() - 1);
+ omMetadataManager.getKeyTable().addCacheEntry(new CacheKey<>(ozoneFileName),
+ new CacheValue<>(Optional.of(omKeyInfo), ++txnID));
+ omMetadataManager.getKeyTable().put(ozoneFileName, omKeyInfo);
+
+ OMRequest omRequest = createDirectoryRequest(volumeName, bucketName,
+ keyName);
+ OMDirectoryCreateRequestV1 omDirCreateRequestV1 =
+ new OMDirectoryCreateRequestV1(omRequest);
+
+ OMRequest modifiedOmRequest =
+ omDirCreateRequestV1.preExecute(ozoneManager);
+
+ omDirCreateRequestV1 = new OMDirectoryCreateRequestV1(modifiedOmRequest);
+
+ OMClientResponse omClientResponse =
+ omDirCreateRequestV1.validateAndUpdateCache(ozoneManager, 100L,
+ ozoneManagerDoubleBufferHelper);
+
+ Assert.assertTrue(omClientResponse.getOMResponse().getStatus()
+ == OzoneManagerProtocolProtos.Status.FILE_ALREADY_EXISTS);
+
+ Assert.assertEquals("Wrong OM numKeys metrics",
+ 0, ozoneManager.getMetrics().getNumKeys());
+
+ // Key should not exist in DB
+ Assert.assertNotNull(omMetadataManager.getKeyTable().get(ozoneFileName));
+ // Key should not exist in DB
+ Assert.assertEquals("Wrong directories count!", 3,
+ omMetadataManager.getDirectoryTable().getEstimatedKeyCount());
+ }
+
+
+ /**
+ * Case: File exists in the given path.
+ * Say, requested to createDir '/a/b/c/d' and there is a file '/a/b' exists
+ * in the given path.
+ */
+ @Test
+ public void testValidateAndUpdateCacheWithFileExistsInGivenPath()
+ throws Exception {
+ String volumeName = "vol1";
+ String bucketName = "bucket1";
+ List<String> dirs = new ArrayList<String>();
+ String keyName = createDirKey(dirs);
+
+ // Add volume and bucket entries to DB.
+ TestOMRequestUtils.addVolumeAndBucketToDB(volumeName, bucketName,
+ omMetadataManager);
+ String bucketKey = omMetadataManager.getBucketKey(volumeName, bucketName);
+ OmBucketInfo omBucketInfo =
+ omMetadataManager.getBucketTable().get(bucketKey);
+ long parentID = omBucketInfo.getObjectID();
+
+ long objID = parentID + 100;
+ long txnID = 5000;
+
+ // for index=0, parentID is bucketID
+ OmDirectoryInfo omDirInfo = TestOMRequestUtils.createOmDirectoryInfo(
+ dirs.get(0), objID++, parentID);
+ TestOMRequestUtils.addDirKeyToDirTable(true, omDirInfo,
+ txnID, omMetadataManager);
+ parentID = omDirInfo.getObjectID();
+
+ // Add a key in second level.
+ OmKeyInfo omKeyInfo = TestOMRequestUtils.createOmKeyInfo(volumeName,
+ bucketName, keyName, HddsProtos.ReplicationType.RATIS,
Review comment:
Yes. thanks for explanation.
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