GeorgeJahad commented on code in PR #3800: URL: https://github.com/apache/ozone/pull/3800#discussion_r996177961
########## hadoop-ozone/integration-test/src/test/java/org/apache/hadoop/ozone/om/TestOmContainerLocationCache.java: ########## @@ -0,0 +1,674 @@ +/* + * 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.om; + +import edu.umd.cs.findbugs.annotations.SuppressFBWarnings; +import org.apache.commons.io.FileUtils; +import org.apache.commons.io.IOUtils; +import org.apache.hadoop.hdds.HddsConfigKeys; +import org.apache.hadoop.hdds.client.ContainerBlockID; +import org.apache.hadoop.hdds.client.RatisReplicationConfig; +import org.apache.hadoop.hdds.client.ReplicationConfig; +import org.apache.hadoop.hdds.conf.OzoneConfiguration; +import org.apache.hadoop.hdds.protocol.DatanodeDetails; +import org.apache.hadoop.hdds.protocol.MockDatanodeDetails; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.BlockData; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ChecksumType; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ChunkInfo; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerCommandRequestProto; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerCommandResponseProto; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.GetBlockResponseProto; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.GetCommittedBlockLengthResponseProto; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.PutBlockResponseProto; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ReadChunkResponseProto; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.Result; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.Type; +import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.WriteChunkResponseProto; +import org.apache.hadoop.hdds.protocol.proto.HddsProtos.ReplicationFactor; +import org.apache.hadoop.hdds.scm.XceiverClientFactory; +import org.apache.hadoop.hdds.scm.XceiverClientGrpc; +import org.apache.hadoop.hdds.scm.XceiverClientManager; +import org.apache.hadoop.hdds.scm.XceiverClientReply; +import org.apache.hadoop.hdds.scm.XceiverClientSpi; +import org.apache.hadoop.hdds.scm.container.ContainerInfo; +import org.apache.hadoop.hdds.scm.container.common.helpers.AllocatedBlock; +import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerWithPipeline; +import org.apache.hadoop.hdds.scm.container.common.helpers.ExcludeList; +import org.apache.hadoop.hdds.scm.pipeline.Pipeline; +import org.apache.hadoop.hdds.scm.pipeline.PipelineID; +import org.apache.hadoop.hdds.scm.protocol.ScmBlockLocationProtocol; +import org.apache.hadoop.hdds.scm.protocol.StorageContainerLocationProtocol; +import org.apache.hadoop.hdds.security.exception.SCMSecurityException; +import org.apache.hadoop.ozone.OzoneConfigKeys; +import org.apache.hadoop.ozone.client.ObjectStore; +import org.apache.hadoop.ozone.client.OzoneBucket; +import org.apache.hadoop.ozone.client.OzoneKeyDetails; +import org.apache.hadoop.ozone.client.io.OzoneOutputStream; +import org.apache.hadoop.ozone.client.rpc.RpcClient; +import org.apache.hadoop.ozone.common.Checksum; +import org.apache.hadoop.ozone.om.helpers.OmBucketInfo; +import org.apache.hadoop.ozone.om.helpers.OmVolumeArgs; +import org.apache.hadoop.ozone.om.request.OMRequestTestUtils; +import org.apache.ozone.test.GenericTestUtils; +import org.apache.ratis.thirdparty.com.google.protobuf.ByteString; +import org.apache.ratis.thirdparty.io.grpc.Status; +import org.apache.ratis.thirdparty.io.grpc.StatusException; +import org.apache.ratis.thirdparty.io.grpc.StatusRuntimeException; +import org.apache.ratis.util.ExitUtils; +import org.jetbrains.annotations.NotNull; +import org.junit.Rule; +import org.junit.jupiter.api.AfterAll; +import org.junit.jupiter.api.Assertions; +import org.junit.jupiter.api.BeforeAll; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; +import org.junit.jupiter.params.ParameterizedTest; +import org.junit.jupiter.params.provider.Arguments; +import org.junit.jupiter.params.provider.MethodSource; +import org.junit.rules.Timeout; +import org.mockito.ArgumentMatcher; +import org.mockito.Mockito; + +import java.io.File; +import java.io.IOException; +import java.io.InputStream; +import java.security.cert.X509Certificate; +import java.util.Collections; +import java.util.List; +import java.util.UUID; +import java.util.concurrent.CompletableFuture; +import java.util.concurrent.ExecutionException; +import java.util.stream.Stream; + +import static com.google.common.collect.Sets.newHashSet; +import static java.nio.charset.StandardCharsets.UTF_8; +import static java.util.concurrent.CompletableFuture.completedFuture; +import static org.apache.hadoop.ozone.OzoneConfigKeys.OZONE_KEY_PREALLOCATION_BLOCKS_MAX; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.mockito.ArgumentMatchers.any; +import static org.mockito.ArgumentMatchers.argThat; +import static org.mockito.Mockito.doAnswer; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.spy; +import static org.mockito.Mockito.times; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; + +/** + * This class includes the integration test-cases to verify the integration + * between client and OM to keep container location cache eventually + * consistent. For example, when clients facing particular errors reading data + * from datanodes, they should inform OM to refresh location cache and OM + * should in turn contact SCM to get the updated container location. + * + * This integration verifies clients and OM using mocked Datanode and SCM + * protocols. + */ +public class TestOmContainerLocationCache { + + /** + * Set a timeout for each test. + */ + @Rule + public Timeout timeout = Timeout.seconds(300); + private static ScmBlockLocationProtocol mockScmBlockLocationProtocol; + private static StorageContainerLocationProtocol mockScmContainerClient; + private static OzoneConfiguration conf; + private static OMMetadataManager metadataManager; + private static File dir; + private static final String BUCKET_NAME = "bucket1"; + private static final String VERSIONED_BUCKET_NAME = "versionedBucket1"; + private static final String VOLUME_NAME = "vol1"; + private static OzoneManager om; + private static RpcClient rpcClient; + private static ObjectStore objectStore; + private static XceiverClientGrpc mockDn1Protocol; + private static XceiverClientGrpc mockDn2Protocol; + private static final DatanodeDetails DN1 = + MockDatanodeDetails.createDatanodeDetails(UUID.randomUUID()); + private static final DatanodeDetails DN2 = + MockDatanodeDetails.createDatanodeDetails(UUID.randomUUID()); + private static long testContainerId = 1L; + + + @BeforeAll + public static void setUp() throws Exception { + ExitUtils.disableSystemExit(); + + conf = new OzoneConfiguration(); + conf.set(OMConfigKeys.OZONE_OM_ADDRESS_KEY, "127.0.0.1:0"); + dir = GenericTestUtils.getRandomizedTestDir(); + conf.set(HddsConfigKeys.OZONE_METADATA_DIRS, dir.toString()); + conf.set(OzoneConfigKeys.OZONE_NETWORK_TOPOLOGY_AWARE_READ_KEY, "true"); + conf.setLong(OZONE_KEY_PREALLOCATION_BLOCKS_MAX, 10); + + mockScmBlockLocationProtocol = mock(ScmBlockLocationProtocol.class); + mockScmContainerClient = + Mockito.mock(StorageContainerLocationProtocol.class); + + OmTestManagers omTestManagers = new OmTestManagers(conf, + mockScmBlockLocationProtocol, mockScmContainerClient); + om = omTestManagers.getOzoneManager(); + metadataManager = omTestManagers.getMetadataManager(); + + rpcClient = new RpcClient(conf, null) { + @NotNull + @Override + protected XceiverClientFactory createXceiverClientFactory( + List<X509Certificate> x509Certificates) throws IOException { + return mockDataNodeClientFactory(); + } + }; + + objectStore = new ObjectStore(conf, rpcClient); + + createVolume(VOLUME_NAME); + createBucket(VOLUME_NAME, BUCKET_NAME, false); + createBucket(VOLUME_NAME, VERSIONED_BUCKET_NAME, true); + } + + @AfterAll + public static void cleanup() throws Exception { + om.stop(); + FileUtils.deleteDirectory(dir); + } + + private static XceiverClientManager mockDataNodeClientFactory() + throws IOException { + mockDn1Protocol = spy(new XceiverClientGrpc(createPipeline(DN1), conf)); + mockDn2Protocol = spy(new XceiverClientGrpc(createPipeline(DN2), conf)); + XceiverClientManager manager = mock(XceiverClientManager.class); + when(manager.acquireClient(argThat(matchPipeline(DN1)))) + .thenReturn(mockDn1Protocol); + when(manager.acquireClientForReadData(argThat(matchPipeline(DN1)))) + .thenReturn(mockDn1Protocol); + + when(manager.acquireClient(argThat(matchPipeline(DN2)))) + .thenReturn(mockDn2Protocol); + when(manager.acquireClientForReadData(argThat(matchPipeline(DN2)))) + .thenReturn(mockDn2Protocol); + return manager; + } + + private static ArgumentMatcher<Pipeline> matchPipeline(DatanodeDetails dn) { + return argument -> argument != null + && argument.getNodes().get(0).getUuid().equals(dn.getUuid()); + } + + private static void createBucket(String volumeName, String bucketName, + boolean isVersionEnabled) + throws IOException { + OmBucketInfo bucketInfo = OmBucketInfo.newBuilder() + .setVolumeName(volumeName) + .setBucketName(bucketName) + .setIsVersionEnabled(isVersionEnabled) + .build(); + + OMRequestTestUtils.addBucketToOM(metadataManager, bucketInfo); + } + + private static void createVolume(String volumeName) throws IOException { + OmVolumeArgs volumeArgs = OmVolumeArgs.newBuilder() + .setVolume(volumeName) + .setAdminName("bilbo") + .setOwnerName("bilbo") + .build(); + OMRequestTestUtils.addVolumeToOM(metadataManager, volumeArgs); + } + + @BeforeEach + @SuppressFBWarnings("ST_WRITE_TO_STATIC_FROM_INSTANCE_METHOD") + public void beforeEach() { + testContainerId++; + Mockito.reset(mockScmBlockLocationProtocol, mockScmContainerClient, + mockDn1Protocol, mockDn2Protocol); + when(mockDn1Protocol.getPipeline()).thenReturn(createPipeline(DN1)); + when(mockDn2Protocol.getPipeline()).thenReturn(createPipeline(DN2)); + } + + /** + * Verify that in a happy case, container location is cached and reused + * in OM. + */ + @Test + public void containerCachedInHappyCase() throws Exception { + byte[] data = "Test content".getBytes(UTF_8); + + mockScmAllocation(testContainerId, 1L); + mockWriteChunkResponse(mockDn1Protocol); + mockPutBlockResponse(mockDn1Protocol, testContainerId, 1L, data); + + OzoneBucket bucket = objectStore.getVolume(VOLUME_NAME) + .getBucket(BUCKET_NAME); + + // Create keyName1. + String keyName1 = "key1"; + try (OzoneOutputStream os = bucket.createKey(keyName1, data.length)) { + IOUtils.write(data, os); + } + + mockScmGetContainerPipeline(testContainerId, DN1); + + // Read keyName1. + OzoneKeyDetails key1 = bucket.getKey(keyName1); + verify(mockScmContainerClient, times(1)) + .getContainerWithPipelineBatch(newHashSet(testContainerId)); + + try (InputStream is = key1.getContent()) { + mockGetBlock(mockDn1Protocol, testContainerId, 1L, data, null, null); + mockReadChunk(mockDn1Protocol, testContainerId, 1L, data, null, null); + byte[] read = new byte[(int) key1.getDataSize()]; + IOUtils.read(is, read); + Assertions.assertArrayEquals(data, read); + } + + // Create keyName2. Review Comment: maybe ``` // Create keyName2 in the same container so as to reuse the cache ``` Just to make it super clear what is happening here. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
