| /* |
| * 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.dn.scrubber; |
| |
| import org.apache.hadoop.hdds.HddsConfigKeys; |
| import org.apache.hadoop.hdds.client.ReplicationFactor; |
| import org.apache.hadoop.hdds.client.ReplicationType; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; |
| import org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos; |
| import org.apache.hadoop.hdds.scm.ScmConfigKeys; |
| import org.apache.hadoop.hdds.scm.container.ContainerID; |
| import org.apache.hadoop.hdds.scm.container.ContainerInfo; |
| import org.apache.hadoop.hdds.scm.container.ContainerManager; |
| import org.apache.hadoop.hdds.scm.container.ContainerReplica; |
| import org.apache.hadoop.hdds.scm.PlacementPolicy; |
| import org.apache.hadoop.hdds.scm.container.placement.algorithms.SCMContainerPlacementCapacity; |
| import org.apache.hadoop.hdds.scm.protocolPB.StorageContainerLocationProtocolClientSideTranslatorPB; |
| import org.apache.hadoop.ozone.HddsDatanodeService; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| 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.OzoneVolume; |
| import org.apache.hadoop.ozone.client.OzoneBucket; |
| import org.apache.hadoop.ozone.client.OzoneKey; |
| import org.apache.hadoop.ozone.client.io.OzoneInputStream; |
| import org.apache.hadoop.ozone.client.io.OzoneOutputStream; |
| import org.apache.hadoop.ozone.container.common.impl.ContainerSet; |
| import org.apache.hadoop.ozone.container.common.interfaces.Container; |
| import org.apache.hadoop.ozone.container.ozoneimpl.ContainerMetadataScanner; |
| import org.apache.hadoop.ozone.container.ozoneimpl.ContainerScrubberConfiguration; |
| import org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer; |
| import org.apache.hadoop.ozone.om.OzoneManager; |
| 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.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.time.Instant; |
| import java.util.HashMap; |
| import java.util.Set; |
| import java.util.UUID; |
| import java.io.File; |
| |
| import org.junit.Rule; |
| import org.junit.rules.Timeout; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.apache.hadoop.hdds.client.ReplicationFactor.ONE; |
| import static org.apache.hadoop.hdds.client.ReplicationType.STAND_ALONE; |
| |
| /** |
| * This class tests the data scrubber functionality. |
| */ |
| public class TestDataScrubber { |
| |
| /** |
| * Set a timeout for each test. |
| */ |
| @Rule |
| public Timeout timeout = new Timeout(300000); |
| private static MiniOzoneCluster cluster; |
| private static OzoneConfiguration ozoneConfig; |
| private static OzoneClient ozClient = null; |
| private static ObjectStore store = null; |
| private static OzoneManager ozoneManager; |
| private static StorageContainerLocationProtocolClientSideTranslatorPB |
| storageContainerLocationClient; |
| |
| @BeforeClass |
| public static void init() throws Exception { |
| ozoneConfig = new OzoneConfiguration(); |
| ozoneConfig.set(HddsConfigKeys.HDDS_CONTAINER_REPORT_INTERVAL, "1s"); |
| ozoneConfig.setClass(ScmConfigKeys.OZONE_SCM_CONTAINER_PLACEMENT_IMPL_KEY, |
| SCMContainerPlacementCapacity.class, PlacementPolicy.class); |
| ozoneConfig.setBoolean(HddsConfigKeys.HDDS_SCM_SAFEMODE_PIPELINE_CREATION, |
| false); |
| cluster = MiniOzoneCluster.newBuilder(ozoneConfig).setNumDatanodes(1) |
| .build(); |
| cluster.waitForClusterToBeReady(); |
| ozClient = OzoneClientFactory.getRpcClient(ozoneConfig); |
| store = ozClient.getObjectStore(); |
| ozoneManager = cluster.getOzoneManager(); |
| storageContainerLocationClient = |
| cluster.getStorageContainerLocationClient(); |
| } |
| |
| @AfterClass |
| public static void shutdown() throws IOException { |
| if (ozClient != null) { |
| ozClient.close(); |
| } |
| if (storageContainerLocationClient != null) { |
| storageContainerLocationClient.close(); |
| } |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testOpenContainerIntegrity() throws Exception { |
| String volumeName = UUID.randomUUID().toString(); |
| String bucketName = UUID.randomUUID().toString(); |
| Instant testStartTime = Instant.now(); |
| |
| String value = "sample value"; |
| store.createVolume(volumeName); |
| OzoneVolume volume = store.getVolume(volumeName); |
| volume.createBucket(bucketName); |
| OzoneBucket bucket = volume.getBucket(bucketName); |
| |
| for (int i = 0; i < 10; i++) { |
| String keyName = UUID.randomUUID().toString(); |
| |
| OzoneOutputStream out = bucket.createKey(keyName, |
| value.getBytes(UTF_8).length, STAND_ALONE, |
| ONE, new HashMap<>()); |
| out.write(value.getBytes(UTF_8)); |
| out.close(); |
| OzoneKey key = bucket.getKey(keyName); |
| Assert.assertEquals(keyName, key.getName()); |
| OzoneInputStream is = bucket.readKey(keyName); |
| byte[] fileContent = new byte[value.getBytes(UTF_8).length]; |
| is.read(fileContent); |
| Assert.assertTrue(verifyRatisReplication(volumeName, bucketName, |
| keyName, STAND_ALONE, |
| ONE)); |
| Assert.assertEquals(value, new String(fileContent, UTF_8)); |
| Assert.assertFalse(key.getCreationTime().isBefore(testStartTime)); |
| Assert.assertFalse(key.getModificationTime().isBefore(testStartTime)); |
| } |
| |
| // wait for the container report to propagate to SCM |
| Thread.sleep(5000); |
| |
| |
| Assert.assertEquals(1, cluster.getHddsDatanodes().size()); |
| |
| HddsDatanodeService dn = cluster.getHddsDatanodes().get(0); |
| OzoneContainer oc = dn.getDatanodeStateMachine().getContainer(); |
| ContainerSet cs = oc.getContainerSet(); |
| Container c = cs.getContainerIterator().next(); |
| |
| Assert.assertTrue(cs.containerCount() > 0); |
| |
| // delete the chunks directory. |
| File chunksDir = new File(c.getContainerData().getContainerPath(), |
| "chunks"); |
| deleteDirectory(chunksDir); |
| Assert.assertFalse(chunksDir.exists()); |
| |
| ContainerScrubberConfiguration conf = ozoneConfig.getObject( |
| ContainerScrubberConfiguration.class); |
| ContainerMetadataScanner sb = new ContainerMetadataScanner(conf, |
| oc.getController()); |
| sb.scrub(c); |
| |
| // wait for the incremental container report to propagate to SCM |
| Thread.sleep(5000); |
| |
| ContainerManager cm = cluster.getStorageContainerManager() |
| .getContainerManager(); |
| Set<ContainerReplica> replicas = cm.getContainerReplicas( |
| ContainerID.valueof(c.getContainerData().getContainerID())); |
| Assert.assertEquals(1, replicas.size()); |
| ContainerReplica r = replicas.iterator().next(); |
| Assert.assertEquals(StorageContainerDatanodeProtocolProtos. |
| ContainerReplicaProto.State.UNHEALTHY, r.getState()); |
| } |
| |
| boolean deleteDirectory(File directoryToBeDeleted) { |
| File[] allContents = directoryToBeDeleted.listFiles(); |
| if (allContents != null) { |
| for (File file : allContents) { |
| deleteDirectory(file); |
| } |
| } |
| return directoryToBeDeleted.delete(); |
| } |
| |
| private boolean verifyRatisReplication(String volumeName, String bucketName, |
| String keyName, ReplicationType type, |
| ReplicationFactor factor) |
| throws IOException { |
| OmKeyArgs keyArgs = new OmKeyArgs.Builder() |
| .setVolumeName(volumeName) |
| .setBucketName(bucketName) |
| .setKeyName(keyName) |
| .setRefreshPipeline(true) |
| .build(); |
| HddsProtos.ReplicationType replicationType = |
| HddsProtos.ReplicationType.valueOf(type.toString()); |
| HddsProtos.ReplicationFactor replicationFactor = |
| HddsProtos.ReplicationFactor.valueOf(factor.getValue()); |
| OmKeyInfo keyInfo = ozoneManager.lookupKey(keyArgs); |
| for (OmKeyLocationInfo info : |
| keyInfo.getLatestVersionLocations().getLocationList()) { |
| ContainerInfo container = |
| storageContainerLocationClient.getContainer(info.getContainerID()); |
| if (!container.getReplicationFactor().equals(replicationFactor) || ( |
| container.getReplicationType() != replicationType)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| } |