| /** |
| * 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.client.rpc; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.Path; |
| import java.time.Duration; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.Set; |
| import java.util.UUID; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.commons.lang3.ArrayUtils; |
| import org.apache.hadoop.fs.FileUtil; |
| import org.apache.hadoop.hdds.HddsUtils; |
| import org.apache.hadoop.hdds.client.ReplicationFactor; |
| import org.apache.hadoop.hdds.client.ReplicationType; |
| import org.apache.hadoop.hdds.conf.DatanodeRatisServerConfig; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos; |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; |
| import org.apache.hadoop.hdds.ratis.conf.RatisClientConfig; |
| import org.apache.hadoop.hdds.scm.OzoneClientConfig; |
| import org.apache.hadoop.hdds.scm.XceiverClientManager; |
| import org.apache.hadoop.hdds.scm.XceiverClientSpi; |
| import org.apache.hadoop.hdds.scm.client.HddsClientUtils; |
| import org.apache.hadoop.hdds.scm.container.common.helpers.ContainerNotOpenException; |
| import org.apache.hadoop.hdds.scm.pipeline.Pipeline; |
| import org.apache.hadoop.ozone.HddsDatanodeService; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.apache.hadoop.ozone.OzoneConfigKeys; |
| import org.apache.hadoop.ozone.OzoneConsts; |
| import org.apache.hadoop.ozone.client.ObjectStore; |
| import org.apache.hadoop.ozone.client.OzoneClient; |
| import org.apache.hadoop.ozone.client.OzoneClientFactory; |
| import org.apache.hadoop.ozone.client.io.KeyOutputStream; |
| import org.apache.hadoop.ozone.client.io.OzoneInputStream; |
| import org.apache.hadoop.ozone.client.io.OzoneOutputStream; |
| import org.apache.hadoop.ozone.container.ContainerTestHelper; |
| import org.apache.hadoop.ozone.container.TestHelper; |
| import org.apache.hadoop.ozone.container.common.impl.ContainerData; |
| import org.apache.hadoop.ozone.container.common.impl.ContainerDataYaml; |
| import org.apache.hadoop.ozone.container.common.impl.HddsDispatcher; |
| import org.apache.hadoop.ozone.container.common.interfaces.Container; |
| import org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine; |
| import org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis; |
| import org.apache.hadoop.ozone.container.keyvalue.KeyValueContainerData; |
| import org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer; |
| import org.apache.hadoop.ozone.om.helpers.OmKeyArgs; |
| import org.apache.hadoop.ozone.om.helpers.OmKeyInfo; |
| import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo; |
| import org.apache.hadoop.ozone.protocol.commands.CloseContainerCommand; |
| import org.apache.hadoop.ozone.protocol.commands.SCMCommand; |
| import org.apache.ozone.test.LambdaTestUtils; |
| import org.apache.ozone.test.tag.Flaky; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.apache.hadoop.hdds.HddsConfigKeys.HDDS_COMMAND_STATUS_REPORT_INTERVAL; |
| import static org.apache.hadoop.hdds.HddsConfigKeys.HDDS_CONTAINER_REPORT_INTERVAL; |
| import static org.apache.hadoop.hdds.HddsConfigKeys.HDDS_PIPELINE_REPORT_INTERVAL; |
| import static org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerDataProto.State.QUASI_CLOSED; |
| import static org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos.ContainerDataProto.State.UNHEALTHY; |
| import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_PIPELINE_DESTROY_TIMEOUT; |
| import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_STALENODE_INTERVAL; |
| |
| import org.apache.ratis.protocol.RaftGroupId; |
| import org.apache.ratis.protocol.exceptions.StateMachineException; |
| import org.apache.ratis.server.storage.FileInfo; |
| import org.apache.ratis.statemachine.impl.SimpleStateMachineStorage; |
| import static org.hamcrest.core.Is.is; |
| |
| import org.apache.ratis.thirdparty.com.google.protobuf.ByteString; |
| import org.junit.Assert; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.fail; |
| import org.junit.jupiter.api.AfterAll; |
| import org.junit.jupiter.api.BeforeAll; |
| import org.junit.jupiter.api.Test; |
| |
| /** |
| * Tests the containerStateMachine failure handling. |
| */ |
| public class TestContainerStateMachineFailures { |
| |
| private static MiniOzoneCluster cluster; |
| private static OzoneConfiguration conf; |
| private static OzoneClient client; |
| private static ObjectStore objectStore; |
| private static String volumeName; |
| private static String bucketName; |
| private static XceiverClientManager xceiverClientManager; |
| private static Random random; |
| |
| /** |
| * Create a MiniDFSCluster for testing. |
| * |
| * @throws IOException |
| */ |
| @BeforeAll |
| public static void init() throws Exception { |
| conf = new OzoneConfiguration(); |
| |
| OzoneClientConfig clientConfig = conf.getObject(OzoneClientConfig.class); |
| clientConfig.setStreamBufferFlushDelay(false); |
| conf.setFromObject(clientConfig); |
| |
| conf.setTimeDuration(HDDS_CONTAINER_REPORT_INTERVAL, 200, |
| TimeUnit.MILLISECONDS); |
| conf.setTimeDuration(HDDS_COMMAND_STATUS_REPORT_INTERVAL, 200, |
| TimeUnit.MILLISECONDS); |
| conf.setTimeDuration(HDDS_PIPELINE_REPORT_INTERVAL, 200, |
| TimeUnit.MILLISECONDS); |
| conf.setTimeDuration(OZONE_SCM_STALENODE_INTERVAL, 30, TimeUnit.SECONDS); |
| conf.setTimeDuration(OZONE_SCM_PIPELINE_DESTROY_TIMEOUT, 1, |
| TimeUnit.SECONDS); |
| |
| RatisClientConfig ratisClientConfig = |
| conf.getObject(RatisClientConfig.class); |
| ratisClientConfig.setWriteRequestTimeout(Duration.ofSeconds(20)); |
| ratisClientConfig.setWatchRequestTimeout(Duration.ofSeconds(20)); |
| conf.setFromObject(ratisClientConfig); |
| |
| DatanodeRatisServerConfig ratisServerConfig = |
| conf.getObject(DatanodeRatisServerConfig.class); |
| ratisServerConfig.setRequestTimeOut(Duration.ofSeconds(3)); |
| ratisServerConfig.setWatchTimeOut(Duration.ofSeconds(10)); |
| conf.setFromObject(ratisServerConfig); |
| |
| RatisClientConfig.RaftConfig raftClientConfig = |
| conf.getObject(RatisClientConfig.RaftConfig.class); |
| raftClientConfig.setRpcRequestTimeout(Duration.ofSeconds(3)); |
| raftClientConfig.setRpcWatchRequestTimeout(Duration.ofSeconds(20)); |
| conf.setFromObject(raftClientConfig); |
| |
| conf.setLong(OzoneConfigKeys.DFS_RATIS_SNAPSHOT_THRESHOLD_KEY, 1); |
| conf.setQuietMode(false); |
| cluster = |
| MiniOzoneCluster.newBuilder(conf).setNumDatanodes(10).setHbInterval(200) |
| .build(); |
| cluster.waitForClusterToBeReady(); |
| cluster.waitForPipelineTobeReady(HddsProtos.ReplicationFactor.ONE, 60000); |
| //the easiest way to create an open container is creating a key |
| client = OzoneClientFactory.getRpcClient(conf); |
| objectStore = client.getObjectStore(); |
| xceiverClientManager = new XceiverClientManager(conf); |
| volumeName = "testcontainerstatemachinefailures"; |
| bucketName = volumeName; |
| objectStore.createVolume(volumeName); |
| objectStore.getVolume(volumeName).createBucket(bucketName); |
| random = new Random(); |
| } |
| |
| /** |
| * Shutdown MiniDFSCluster. |
| */ |
| @AfterAll |
| public static void shutdown() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testContainerStateMachineCloseOnMissingPipeline() |
| throws Exception { |
| // This integration test is a bit of a hack to see if the highly |
| // improbable event where the Datanode does not have the pipeline |
| // in its Ratis channel but still receives a close container command |
| // for a container that is open or in closing state. |
| // Bugs in code can lead to this sequence of events but for this test |
| // to inject this state, it removes the pipeline by directly calling |
| // the underlying method. |
| |
| OzoneOutputStream key = |
| objectStore.getVolume(volumeName).getBucket(bucketName) |
| .createKey("testQuasiClosed1", 1024, ReplicationType.RATIS, |
| ReplicationFactor.THREE, new HashMap<>()); |
| key.write("ratis".getBytes(UTF_8)); |
| key.flush(); |
| |
| KeyOutputStream groupOutputStream = (KeyOutputStream) key. |
| getOutputStream(); |
| List<OmKeyLocationInfo> locationInfoList = |
| groupOutputStream.getLocationInfoList(); |
| Assert.assertEquals(1, locationInfoList.size()); |
| |
| OmKeyLocationInfo omKeyLocationInfo = locationInfoList.get(0); |
| |
| Set<HddsDatanodeService> datanodeSet = |
| TestHelper.getDatanodeServices(cluster, |
| omKeyLocationInfo.getPipeline()); |
| |
| long containerID = omKeyLocationInfo.getContainerID(); |
| |
| for (HddsDatanodeService dn : datanodeSet) { |
| XceiverServerRatis wc = (XceiverServerRatis) |
| dn.getDatanodeStateMachine().getContainer().getWriteChannel(); |
| if (wc == null) { |
| // Test applicable only for RATIS based channel. |
| return; |
| } |
| wc.notifyGroupRemove(RaftGroupId |
| .valueOf(omKeyLocationInfo.getPipeline().getId().getId())); |
| SCMCommand<?> command = new CloseContainerCommand( |
| containerID, omKeyLocationInfo.getPipeline().getId()); |
| command.setTerm( |
| cluster |
| .getStorageContainerManager() |
| .getScmContext() |
| .getTermOfLeader()); |
| cluster.getStorageContainerManager().getScmNodeManager() |
| .addDatanodeCommand(dn.getDatanodeDetails().getUuid(), command); |
| } |
| |
| |
| for (HddsDatanodeService dn : datanodeSet) { |
| LambdaTestUtils.await(20000, 1000, |
| () -> (dn.getDatanodeStateMachine() |
| .getContainer().getContainerSet() |
| .getContainer(containerID) |
| .getContainerState().equals(QUASI_CLOSED))); |
| } |
| key.close(); |
| } |
| |
| @Test |
| public void testContainerStateMachineFailures() throws Exception { |
| OzoneOutputStream key = |
| objectStore.getVolume(volumeName).getBucket(bucketName) |
| .createKey("ratis", 1024, ReplicationType.RATIS, |
| ReplicationFactor.ONE, new HashMap<>()); |
| byte[] testData = "ratis".getBytes(UTF_8); |
| // First write and flush creates a container in the datanode |
| key.write(testData); |
| key.flush(); |
| key.write(testData); |
| KeyOutputStream groupOutputStream = |
| (KeyOutputStream) key.getOutputStream(); |
| List<OmKeyLocationInfo> locationInfoList = |
| groupOutputStream.getLocationInfoList(); |
| Assert.assertEquals(1, locationInfoList.size()); |
| OmKeyLocationInfo omKeyLocationInfo = locationInfoList.get(0); |
| HddsDatanodeService dn = TestHelper.getDatanodeService(omKeyLocationInfo, |
| cluster); |
| // delete the container dir |
| FileUtil.fullyDelete(new File(dn.getDatanodeStateMachine() |
| .getContainer().getContainerSet() |
| .getContainer(omKeyLocationInfo.getContainerID()). |
| getContainerData().getContainerPath())); |
| try { |
| // there is only 1 datanode in the pipeline, the pipeline will be closed |
| // and allocation to new pipeline will fail as there is no other dn in |
| // the cluster |
| key.close(); |
| } catch (IOException ioe) { |
| } |
| long containerID = omKeyLocationInfo.getContainerID(); |
| |
| // Make sure the container is marked unhealthy |
| Assert.assertTrue( |
| dn.getDatanodeStateMachine() |
| .getContainer().getContainerSet() |
| .getContainer(containerID) |
| .getContainerState() |
| == ContainerProtos.ContainerDataProto.State.UNHEALTHY); |
| OzoneContainer ozoneContainer; |
| |
| // restart the hdds datanode, container should not in the regular set |
| OzoneConfiguration config = dn.getConf(); |
| final String dir = config.get(OzoneConfigKeys. |
| DFS_CONTAINER_RATIS_DATANODE_STORAGE_DIR) |
| + UUID.randomUUID(); |
| config.set(OzoneConfigKeys.DFS_CONTAINER_RATIS_DATANODE_STORAGE_DIR, dir); |
| int index = cluster.getHddsDatanodeIndex(dn.getDatanodeDetails()); |
| cluster.restartHddsDatanode(dn.getDatanodeDetails(), false); |
| ozoneContainer = cluster.getHddsDatanodes().get(index) |
| .getDatanodeStateMachine().getContainer(); |
| Assert.assertNull(ozoneContainer.getContainerSet(). |
| getContainer(containerID)); |
| } |
| |
| @Test |
| public void testUnhealthyContainer() throws Exception { |
| OzoneOutputStream key = |
| objectStore.getVolume(volumeName).getBucket(bucketName) |
| .createKey("ratis", 1024, ReplicationType.RATIS, |
| ReplicationFactor.ONE, new HashMap<>()); |
| // First write and flush creates a container in the datanode |
| key.write("ratis".getBytes(UTF_8)); |
| key.flush(); |
| key.write("ratis".getBytes(UTF_8)); |
| KeyOutputStream groupOutputStream = (KeyOutputStream) key |
| .getOutputStream(); |
| List<OmKeyLocationInfo> locationInfoList = |
| groupOutputStream.getLocationInfoList(); |
| Assert.assertEquals(1, locationInfoList.size()); |
| OmKeyLocationInfo omKeyLocationInfo = locationInfoList.get(0); |
| HddsDatanodeService dn = TestHelper.getDatanodeService(omKeyLocationInfo, |
| cluster); |
| ContainerData containerData = |
| dn.getDatanodeStateMachine() |
| .getContainer().getContainerSet() |
| .getContainer(omKeyLocationInfo.getContainerID()) |
| .getContainerData(); |
| Assert.assertTrue(containerData instanceof KeyValueContainerData); |
| KeyValueContainerData keyValueContainerData = |
| (KeyValueContainerData) containerData; |
| // delete the container db file |
| FileUtil.fullyDelete(new File(keyValueContainerData.getChunksPath())); |
| try { |
| // there is only 1 datanode in the pipeline, the pipeline will be closed |
| // and allocation to new pipeline will fail as there is no other dn in |
| // the cluster |
| key.close(); |
| } catch (IOException ioe) { |
| } |
| |
| long containerID = omKeyLocationInfo.getContainerID(); |
| |
| // Make sure the container is marked unhealthy |
| Assert.assertTrue( |
| dn.getDatanodeStateMachine() |
| .getContainer().getContainerSet().getContainer(containerID) |
| .getContainerState() |
| == ContainerProtos.ContainerDataProto.State.UNHEALTHY); |
| // Check metadata in the .container file |
| File containerFile = new File(keyValueContainerData.getMetadataPath(), |
| containerID + OzoneConsts.CONTAINER_EXTENSION); |
| |
| keyValueContainerData = (KeyValueContainerData) ContainerDataYaml |
| .readContainerFile(containerFile); |
| assertThat(keyValueContainerData.getState(), is(UNHEALTHY)); |
| |
| OzoneConfiguration config = dn.getConf(); |
| final String dir = config.get(OzoneConfigKeys. |
| DFS_CONTAINER_RATIS_DATANODE_STORAGE_DIR) |
| + UUID.randomUUID(); |
| config.set(OzoneConfigKeys.DFS_CONTAINER_RATIS_DATANODE_STORAGE_DIR, dir); |
| int index = cluster.getHddsDatanodeIndex(dn.getDatanodeDetails()); |
| // restart the hdds datanode and see if the container is listed in the |
| // in the missing container set and not in the regular set |
| cluster.restartHddsDatanode(dn.getDatanodeDetails(), false); |
| // make sure the container state is still marked unhealthy after restart |
| keyValueContainerData = (KeyValueContainerData) ContainerDataYaml |
| .readContainerFile(containerFile); |
| assertThat(keyValueContainerData.getState(), is(UNHEALTHY)); |
| |
| OzoneContainer ozoneContainer; |
| HddsDatanodeService dnService = cluster.getHddsDatanodes().get(index); |
| ozoneContainer = dnService |
| .getDatanodeStateMachine().getContainer(); |
| HddsDispatcher dispatcher = (HddsDispatcher) ozoneContainer |
| .getDispatcher(); |
| ContainerProtos.ContainerCommandRequestProto.Builder request = |
| ContainerProtos.ContainerCommandRequestProto.newBuilder(); |
| request.setCmdType(ContainerProtos.Type.CloseContainer); |
| request.setContainerID(containerID); |
| request.setCloseContainer( |
| ContainerProtos.CloseContainerRequestProto.getDefaultInstance()); |
| request.setDatanodeUuid(dnService.getDatanodeDetails().getUuidString()); |
| Assert.assertEquals(ContainerProtos.Result.CONTAINER_UNHEALTHY, |
| dispatcher.dispatch(request.build(), null) |
| .getResult()); |
| } |
| |
| @Test |
| @Flaky("HDDS-6935") |
| public void testApplyTransactionFailure() throws Exception { |
| OzoneOutputStream key = |
| objectStore.getVolume(volumeName).getBucket(bucketName) |
| .createKey("ratis", 1024, ReplicationType.RATIS, |
| ReplicationFactor.ONE, new HashMap<>()); |
| // First write and flush creates a container in the datanode |
| key.write("ratis".getBytes(UTF_8)); |
| key.flush(); |
| key.write("ratis".getBytes(UTF_8)); |
| KeyOutputStream groupOutputStream = (KeyOutputStream) key. |
| getOutputStream(); |
| List<OmKeyLocationInfo> locationInfoList = |
| groupOutputStream.getLocationInfoList(); |
| Assert.assertEquals(1, locationInfoList.size()); |
| OmKeyLocationInfo omKeyLocationInfo = locationInfoList.get(0); |
| HddsDatanodeService dn = TestHelper.getDatanodeService(omKeyLocationInfo, |
| cluster); |
| int index = cluster.getHddsDatanodeIndex(dn.getDatanodeDetails()); |
| ContainerData containerData = dn.getDatanodeStateMachine() |
| .getContainer().getContainerSet() |
| .getContainer(omKeyLocationInfo.getContainerID()) |
| .getContainerData(); |
| Assert.assertTrue(containerData instanceof KeyValueContainerData); |
| KeyValueContainerData keyValueContainerData = |
| (KeyValueContainerData) containerData; |
| key.close(); |
| ContainerStateMachine stateMachine = |
| (ContainerStateMachine) TestHelper.getStateMachine(cluster. |
| getHddsDatanodes().get(index), omKeyLocationInfo.getPipeline()); |
| SimpleStateMachineStorage storage = |
| (SimpleStateMachineStorage) stateMachine.getStateMachineStorage(); |
| stateMachine.takeSnapshot(); |
| Path parentPath = storage.findLatestSnapshot().getFile().getPath(); |
| // Since the snapshot threshold is set to 1, since there are |
| // applyTransactions, we should see snapshots |
| Assert.assertTrue(parentPath.getParent().toFile().listFiles().length > 0); |
| FileInfo snapshot = storage.findLatestSnapshot().getFile(); |
| Assert.assertNotNull(snapshot); |
| long containerID = omKeyLocationInfo.getContainerID(); |
| // delete the container db file |
| FileUtil.fullyDelete(new File(keyValueContainerData.getContainerPath())); |
| Pipeline pipeline = cluster.getStorageContainerLocationClient() |
| .getContainerWithPipeline(containerID).getPipeline(); |
| XceiverClientSpi xceiverClient = |
| xceiverClientManager.acquireClient(pipeline); |
| ContainerProtos.ContainerCommandRequestProto.Builder request = |
| ContainerProtos.ContainerCommandRequestProto.newBuilder(); |
| request.setDatanodeUuid(pipeline.getFirstNode().getUuidString()); |
| request.setCmdType(ContainerProtos.Type.CloseContainer); |
| request.setContainerID(containerID); |
| request.setCloseContainer( |
| ContainerProtos.CloseContainerRequestProto.getDefaultInstance()); |
| // close container transaction will fail over Ratis and will initiate |
| // a pipeline close action |
| |
| try { |
| xceiverClient.sendCommand(request.build()); |
| Assert.fail("Expected exception not thrown"); |
| } catch (IOException e) { |
| // Exception should be thrown |
| } |
| // Make sure the container is marked unhealthy |
| Assert.assertTrue(dn.getDatanodeStateMachine() |
| .getContainer().getContainerSet().getContainer(containerID) |
| .getContainerState() |
| == ContainerProtos.ContainerDataProto.State.UNHEALTHY); |
| try { |
| // try to take a new snapshot, ideally it should just fail |
| stateMachine.takeSnapshot(); |
| } catch (IOException ioe) { |
| Assert.assertTrue(ioe instanceof StateMachineException); |
| } |
| |
| if (snapshot.getPath().toFile().exists()) { |
| // Make sure the latest snapshot is same as the previous one |
| try { |
| FileInfo latestSnapshot = storage.findLatestSnapshot().getFile(); |
| Assert.assertTrue(snapshot.getPath().equals(latestSnapshot.getPath())); |
| } catch (Throwable e) { |
| Assert.assertFalse(snapshot.getPath().toFile().exists()); |
| } |
| } |
| |
| // when remove pipeline, group dir including snapshot will be deleted |
| LambdaTestUtils.await(5000, 500, |
| () -> (!snapshot.getPath().toFile().exists())); |
| } |
| |
| @Test |
| @Flaky("HDDS-6115") |
| public void testApplyTransactionIdempotencyWithClosedContainer() |
| throws Exception { |
| OzoneOutputStream key = |
| objectStore.getVolume(volumeName).getBucket(bucketName) |
| .createKey("ratis", 1024, ReplicationType.RATIS, |
| ReplicationFactor.ONE, new HashMap<>()); |
| // First write and flush creates a container in the datanode |
| key.write("ratis".getBytes(UTF_8)); |
| key.flush(); |
| key.write("ratis".getBytes(UTF_8)); |
| KeyOutputStream groupOutputStream = (KeyOutputStream) key.getOutputStream(); |
| List<OmKeyLocationInfo> locationInfoList = |
| groupOutputStream.getLocationInfoList(); |
| Assert.assertEquals(1, locationInfoList.size()); |
| OmKeyLocationInfo omKeyLocationInfo = locationInfoList.get(0); |
| HddsDatanodeService dn = TestHelper.getDatanodeService(omKeyLocationInfo, |
| cluster); |
| ContainerData containerData = dn.getDatanodeStateMachine() |
| .getContainer().getContainerSet() |
| .getContainer(omKeyLocationInfo.getContainerID()) |
| .getContainerData(); |
| Assert.assertTrue(containerData instanceof KeyValueContainerData); |
| key.close(); |
| ContainerStateMachine stateMachine = |
| (ContainerStateMachine) TestHelper.getStateMachine(dn, |
| omKeyLocationInfo.getPipeline()); |
| SimpleStateMachineStorage storage = |
| (SimpleStateMachineStorage) stateMachine.getStateMachineStorage(); |
| Path parentPath = storage.findLatestSnapshot().getFile().getPath(); |
| stateMachine.takeSnapshot(); |
| Assert.assertTrue(parentPath.getParent().toFile().listFiles().length > 0); |
| FileInfo snapshot = storage.findLatestSnapshot().getFile(); |
| Assert.assertNotNull(snapshot); |
| long containerID = omKeyLocationInfo.getContainerID(); |
| Pipeline pipeline = cluster.getStorageContainerLocationClient() |
| .getContainerWithPipeline(containerID).getPipeline(); |
| XceiverClientSpi xceiverClient = |
| xceiverClientManager.acquireClient(pipeline); |
| ContainerProtos.ContainerCommandRequestProto.Builder request = |
| ContainerProtos.ContainerCommandRequestProto.newBuilder(); |
| request.setDatanodeUuid(pipeline.getFirstNode().getUuidString()); |
| request.setCmdType(ContainerProtos.Type.CloseContainer); |
| request.setContainerID(containerID); |
| request.setCloseContainer( |
| ContainerProtos.CloseContainerRequestProto.getDefaultInstance()); |
| try { |
| xceiverClient.sendCommand(request.build()); |
| } catch (IOException e) { |
| Assert.fail("Exception should not be thrown"); |
| } |
| Assert.assertTrue( |
| TestHelper.getDatanodeService(omKeyLocationInfo, cluster) |
| .getDatanodeStateMachine() |
| .getContainer().getContainerSet().getContainer(containerID) |
| .getContainerState() |
| == ContainerProtos.ContainerDataProto.State.CLOSED); |
| Assert.assertTrue(stateMachine.isStateMachineHealthy()); |
| try { |
| stateMachine.takeSnapshot(); |
| } catch (IOException ioe) { |
| Assert.fail("Exception should not be thrown"); |
| } |
| FileInfo latestSnapshot = storage.findLatestSnapshot().getFile(); |
| Assert.assertFalse(snapshot.getPath().equals(latestSnapshot.getPath())); |
| } |
| |
| // The test injects multiple write chunk requests along with closed container |
| // request thereby inducing a situation where a writeStateMachine call |
| // gets executed when the closed container apply completes thereby |
| // failing writeStateMachine call. In any case, our stateMachine should |
| // not be marked unhealthy and pipeline should not fail if container gets |
| // closed here. |
| @Test |
| public void testWriteStateMachineDataIdempotencyWithClosedContainer() |
| throws Exception { |
| OzoneOutputStream key = |
| objectStore.getVolume(volumeName).getBucket(bucketName) |
| .createKey("ratis-1", 1024, ReplicationType.RATIS, |
| ReplicationFactor.ONE, new HashMap<>()); |
| // First write and flush creates a container in the datanode |
| key.write("ratis".getBytes(UTF_8)); |
| key.flush(); |
| key.write("ratis".getBytes(UTF_8)); |
| KeyOutputStream groupOutputStream = (KeyOutputStream) key |
| .getOutputStream(); |
| List<OmKeyLocationInfo> locationInfoList = |
| groupOutputStream.getLocationInfoList(); |
| Assert.assertEquals(1, locationInfoList.size()); |
| OmKeyLocationInfo omKeyLocationInfo = locationInfoList.get(0); |
| HddsDatanodeService dn = TestHelper.getDatanodeService(omKeyLocationInfo, |
| cluster); |
| ContainerData containerData = |
| dn.getDatanodeStateMachine() |
| .getContainer().getContainerSet() |
| .getContainer(omKeyLocationInfo.getContainerID()) |
| .getContainerData(); |
| Assert.assertTrue(containerData instanceof KeyValueContainerData); |
| key.close(); |
| ContainerStateMachine stateMachine = |
| (ContainerStateMachine) TestHelper.getStateMachine(dn, |
| omKeyLocationInfo.getPipeline()); |
| SimpleStateMachineStorage storage = |
| (SimpleStateMachineStorage) stateMachine.getStateMachineStorage(); |
| Path parentPath = storage.findLatestSnapshot().getFile().getPath(); |
| stateMachine.takeSnapshot(); |
| // Since the snapshot threshold is set to 1, since there are |
| // applyTransactions, we should see snapshots |
| Assert.assertTrue(parentPath.getParent().toFile().listFiles().length > 0); |
| FileInfo snapshot = storage.findLatestSnapshot().getFile(); |
| Assert.assertNotNull(snapshot); |
| long containerID = omKeyLocationInfo.getContainerID(); |
| Pipeline pipeline = cluster.getStorageContainerLocationClient() |
| .getContainerWithPipeline(containerID).getPipeline(); |
| XceiverClientSpi xceiverClient = |
| xceiverClientManager.acquireClient(pipeline); |
| CountDownLatch latch = new CountDownLatch(100); |
| int count = 0; |
| AtomicInteger failCount = new AtomicInteger(0); |
| Runnable r1 = () -> { |
| try { |
| ContainerProtos.ContainerCommandRequestProto.Builder request = |
| ContainerProtos.ContainerCommandRequestProto.newBuilder(); |
| request.setDatanodeUuid(pipeline.getFirstNode().getUuidString()); |
| request.setCmdType(ContainerProtos.Type.CloseContainer); |
| request.setContainerID(containerID); |
| request.setCloseContainer( |
| ContainerProtos.CloseContainerRequestProto. |
| getDefaultInstance()); |
| xceiverClient.sendCommand(request.build()); |
| } catch (IOException e) { |
| failCount.incrementAndGet(); |
| } |
| }; |
| Runnable r2 = () -> { |
| try { |
| ByteString data = ByteString.copyFromUtf8("hello"); |
| ContainerProtos.ContainerCommandRequestProto.Builder writeChunkRequest = |
| ContainerTestHelper.newWriteChunkRequestBuilder(pipeline, |
| omKeyLocationInfo.getBlockID(), data.size(), random.nextInt() |
| ); |
| writeChunkRequest.setWriteChunk(writeChunkRequest.getWriteChunkBuilder() |
| .setData(data)); |
| xceiverClient.sendCommand(writeChunkRequest.build()); |
| latch.countDown(); |
| } catch (IOException e) { |
| latch.countDown(); |
| if (!(HddsClientUtils |
| .checkForException(e) instanceof ContainerNotOpenException)) { |
| failCount.incrementAndGet(); |
| } |
| String message = e.getMessage(); |
| Assert.assertFalse(message, |
| message.contains("hello")); |
| Assert.assertTrue(message, |
| message.contains(HddsUtils.REDACTED.toStringUtf8())); |
| } |
| }; |
| |
| List<Thread> threadList = new ArrayList<>(); |
| |
| for (int i = 0; i < 100; i++) { |
| count++; |
| Thread r = new Thread(r2); |
| r.start(); |
| threadList.add(r); |
| } |
| |
| Thread closeContainerThread = new Thread(r1); |
| closeContainerThread.start(); |
| threadList.add(closeContainerThread); |
| latch.await(600, TimeUnit.SECONDS); |
| for (int i = 0; i < 101; i++) { |
| threadList.get(i).join(); |
| } |
| |
| if (failCount.get() > 0) { |
| fail("testWriteStateMachineDataIdempotencyWithClosedContainer failed"); |
| } |
| Assert.assertTrue( |
| TestHelper.getDatanodeService(omKeyLocationInfo, cluster) |
| .getDatanodeStateMachine() |
| .getContainer().getContainerSet().getContainer(containerID) |
| .getContainerState() |
| == ContainerProtos.ContainerDataProto.State.CLOSED); |
| Assert.assertTrue(stateMachine.isStateMachineHealthy()); |
| try { |
| stateMachine.takeSnapshot(); |
| } catch (IOException ioe) { |
| Assert.fail("Exception should not be thrown"); |
| } |
| FileInfo latestSnapshot = storage.findLatestSnapshot().getFile(); |
| Assert.assertFalse(snapshot.getPath().equals(latestSnapshot.getPath())); |
| |
| r2.run(); |
| } |
| |
| @Test |
| public void testContainerStateMachineSingleFailureRetry() |
| throws Exception { |
| OzoneOutputStream key = |
| objectStore.getVolume(volumeName).getBucket(bucketName) |
| .createKey("ratis1", 1024, ReplicationType.RATIS, |
| ReplicationFactor.THREE, new HashMap<>()); |
| |
| key.write("ratis".getBytes(UTF_8)); |
| key.flush(); |
| key.write("ratis".getBytes(UTF_8)); |
| key.write("ratis".getBytes(UTF_8)); |
| |
| KeyOutputStream groupOutputStream = (KeyOutputStream) key. |
| getOutputStream(); |
| List<OmKeyLocationInfo> locationInfoList = |
| groupOutputStream.getLocationInfoList(); |
| Assert.assertEquals(1, locationInfoList.size()); |
| |
| OmKeyLocationInfo omKeyLocationInfo = locationInfoList.get(0); |
| |
| induceFollowerFailure(omKeyLocationInfo, 2); |
| |
| try { |
| key.flush(); |
| key.write("ratis".getBytes(UTF_8)); |
| key.flush(); |
| key.close(); |
| } catch (Exception ioe) { |
| // Should not fail.. |
| Assert.fail("Exception " + ioe.getMessage()); |
| } |
| validateData("ratis1", 2, "ratisratisratisratis"); |
| } |
| |
| @Test |
| public void testContainerStateMachineDualFailureRetry() |
| throws Exception { |
| OzoneOutputStream key = |
| objectStore.getVolume(volumeName).getBucket(bucketName) |
| .createKey("ratis2", 1024, ReplicationType.RATIS, |
| ReplicationFactor.THREE, new HashMap<>()); |
| |
| key.write("ratis".getBytes(UTF_8)); |
| key.flush(); |
| key.write("ratis".getBytes(UTF_8)); |
| key.write("ratis".getBytes(UTF_8)); |
| |
| KeyOutputStream groupOutputStream = (KeyOutputStream) key. |
| getOutputStream(); |
| List<OmKeyLocationInfo> locationInfoList = |
| groupOutputStream.getLocationInfoList(); |
| Assert.assertEquals(1, locationInfoList.size()); |
| |
| OmKeyLocationInfo omKeyLocationInfo = locationInfoList.get(0); |
| |
| induceFollowerFailure(omKeyLocationInfo, 1); |
| |
| try { |
| key.flush(); |
| key.write("ratis".getBytes(UTF_8)); |
| key.flush(); |
| key.close(); |
| } catch (Exception ioe) { |
| // Should not fail.. |
| Assert.fail("Exception " + ioe.getMessage()); |
| } |
| validateData("ratis1", 2, "ratisratisratisratis"); |
| } |
| |
| private void induceFollowerFailure(OmKeyLocationInfo omKeyLocationInfo, |
| int failureCount) { |
| UUID leader = omKeyLocationInfo.getPipeline().getLeaderId(); |
| Set<HddsDatanodeService> datanodeSet = |
| TestHelper.getDatanodeServices(cluster, |
| omKeyLocationInfo.getPipeline()); |
| int count = 0; |
| for (HddsDatanodeService dn : datanodeSet) { |
| UUID dnUuid = dn.getDatanodeDetails().getUuid(); |
| if (!dnUuid.equals(leader)) { |
| count++; |
| long containerID = omKeyLocationInfo.getContainerID(); |
| Container container = dn |
| .getDatanodeStateMachine() |
| .getContainer() |
| .getContainerSet() |
| .getContainer(containerID); |
| if (container != null) { |
| ContainerData containerData = |
| container |
| .getContainerData(); |
| Assert.assertTrue(containerData instanceof KeyValueContainerData); |
| KeyValueContainerData keyValueContainerData = |
| (KeyValueContainerData) containerData; |
| FileUtil.fullyDelete(new File(keyValueContainerData.getChunksPath())); |
| } |
| |
| if (count == failureCount) { |
| break; |
| } |
| } |
| } |
| } |
| |
| private void validateData(String key, int locationCount, String payload) { |
| OmKeyArgs omKeyArgs = new OmKeyArgs.Builder() |
| .setVolumeName(volumeName) |
| .setBucketName(bucketName) |
| .setKeyName(key) |
| .setRefreshPipeline(true) |
| .build(); |
| OmKeyInfo keyInfo = null; |
| try { |
| keyInfo = cluster.getOzoneManager().lookupKey(omKeyArgs); |
| |
| Assert.assertEquals(locationCount, |
| keyInfo.getLatestVersionLocations().getLocationListCount()); |
| OzoneInputStream |
| o = objectStore |
| .getVolume(volumeName) |
| .getBucket(bucketName) |
| .readKey(key); |
| byte[] buffer = new byte[1024]; |
| o.read(buffer, 0, 1024); |
| int end = ArrayUtils.indexOf(buffer, (byte) 0); |
| String response = new String(buffer, 0, |
| end, |
| StandardCharsets.UTF_8); |
| Assert.assertEquals(payload, response); |
| } catch (IOException e) { |
| Assert.fail("Exception not expected " + e.getMessage()); |
| } |
| } |
| } |
