| /** |
| * 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.container.common.statemachine.commandhandler; |
| |
| 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.DatanodeDetails; |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; |
| import org.apache.hadoop.hdds.scm.container.ContainerID; |
| import org.apache.hadoop.hdds.scm.container.ContainerInfo; |
| import org.apache.hadoop.hdds.scm.node.NodeManager; |
| 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.client.ObjectStore; |
| import org.apache.hadoop.ozone.client.OzoneClient; |
| import org.apache.hadoop.ozone.client.OzoneClientFactory; |
| import org.apache.hadoop.ozone.client.io.OzoneOutputStream; |
| import org.apache.hadoop.ozone.container.common.impl.ContainerData; |
| import org.apache.hadoop.ozone.container.common.interfaces.Container; |
| import org.apache.hadoop.ozone.om.helpers.OmKeyArgs; |
| import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo; |
| import org.apache.hadoop.ozone.protocol.commands.CloseContainerCommand; |
| import org.apache.hadoop.ozone.protocol.commands.DeleteContainerCommand; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.junit.AfterClass; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.UUID; |
| |
| import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_CONTAINER_SIZE; |
| |
| /** |
| * Tests DeleteContainerCommand Handler. |
| */ |
| public class TestDeleteContainerHandler { |
| |
| |
| private static MiniOzoneCluster cluster; |
| private static OzoneConfiguration conf; |
| private static ObjectStore objectStore; |
| private static String volumeName = UUID.randomUUID().toString(); |
| private static String bucketName = UUID.randomUUID().toString(); |
| |
| @BeforeClass |
| public static void setup() throws Exception { |
| conf = new OzoneConfiguration(); |
| conf.set(OZONE_SCM_CONTAINER_SIZE, "1GB"); |
| cluster = MiniOzoneCluster.newBuilder(conf) |
| .setNumDatanodes(1).build(); |
| cluster.waitForClusterToBeReady(); |
| |
| OzoneClient client = OzoneClientFactory.getClient(conf); |
| objectStore = client.getObjectStore(); |
| objectStore.createVolume(volumeName); |
| objectStore.getVolume(volumeName).createBucket(bucketName); |
| } |
| |
| @AfterClass |
| public static void shutdown() { |
| if (cluster != null) { |
| try { |
| cluster.shutdown(); |
| } catch (Exception e) { |
| // do nothing. |
| } |
| } |
| } |
| |
| @Test(timeout = 60000) |
| public void testDeleteContainerRequestHandlerOnClosedContainer() |
| throws Exception { |
| |
| //the easiest way to create an open container is creating a key |
| |
| String keyName = UUID.randomUUID().toString(); |
| |
| // create key |
| createKey(keyName); |
| |
| // get containerID of the key |
| ContainerID containerId = getContainerID(keyName); |
| |
| ContainerInfo container = cluster.getStorageContainerManager() |
| .getContainerManager().getContainer(containerId); |
| |
| Pipeline pipeline = cluster.getStorageContainerManager() |
| .getPipelineManager().getPipeline(container.getPipelineID()); |
| |
| // We need to close the container because delete container only happens |
| // on closed containers with force flag set to false. |
| |
| HddsDatanodeService hddsDatanodeService = |
| cluster.getHddsDatanodes().get(0); |
| |
| Assert.assertFalse(isContainerClosed(hddsDatanodeService, |
| containerId.getId())); |
| |
| DatanodeDetails datanodeDetails = hddsDatanodeService.getDatanodeDetails(); |
| |
| NodeManager nodeManager = |
| cluster.getStorageContainerManager().getScmNodeManager(); |
| |
| //send the order to close the container |
| nodeManager.addDatanodeCommand(datanodeDetails.getUuid(), |
| new CloseContainerCommand(containerId.getId(), pipeline.getId())); |
| |
| GenericTestUtils.waitFor(() -> |
| isContainerClosed(hddsDatanodeService, containerId.getId()), |
| 500, 5 * 1000); |
| |
| //double check if it's really closed (waitFor also throws an exception) |
| Assert.assertTrue(isContainerClosed(hddsDatanodeService, |
| containerId.getId())); |
| |
| // Check container exists before sending delete container command |
| Assert.assertFalse(isContainerDeleted(hddsDatanodeService, |
| containerId.getId())); |
| |
| // send delete container to the datanode |
| nodeManager.addDatanodeCommand(datanodeDetails.getUuid(), |
| new DeleteContainerCommand(containerId.getId(), false)); |
| |
| GenericTestUtils.waitFor(() -> |
| isContainerDeleted(hddsDatanodeService, containerId.getId()), |
| 500, 5 * 1000); |
| |
| Assert.assertTrue(isContainerDeleted(hddsDatanodeService, |
| containerId.getId())); |
| |
| } |
| |
| |
| @Test |
| public void testDeleteContainerRequestHandlerOnOpenContainer() |
| throws Exception { |
| |
| //the easiest way to create an open container is creating a key |
| String keyName = UUID.randomUUID().toString(); |
| |
| // create key |
| createKey(keyName); |
| |
| // get containerID of the key |
| ContainerID containerId = getContainerID(keyName); |
| |
| HddsDatanodeService hddsDatanodeService = |
| cluster.getHddsDatanodes().get(0); |
| DatanodeDetails datanodeDetails = |
| hddsDatanodeService.getDatanodeDetails(); |
| |
| NodeManager nodeManager = |
| cluster.getStorageContainerManager().getScmNodeManager(); |
| |
| // Send delete container command with force flag set to false. |
| nodeManager.addDatanodeCommand(datanodeDetails.getUuid(), |
| new DeleteContainerCommand(containerId.getId(), false)); |
| |
| // Here it should not delete it, and the container should exist in the |
| // containerset |
| int count = 1; |
| // Checking for 5 seconds, whether it is containerSet, as after command |
| // is issued, giving some time for it to process. |
| while (!isContainerDeleted(hddsDatanodeService, containerId.getId())) { |
| Thread.sleep(1000); |
| count++; |
| if (count == 5) { |
| break; |
| } |
| } |
| |
| Assert.assertFalse(isContainerDeleted(hddsDatanodeService, |
| containerId.getId())); |
| |
| |
| // Now delete container with force flag set to true. now it should delete |
| // container |
| |
| nodeManager.addDatanodeCommand(datanodeDetails.getUuid(), |
| new DeleteContainerCommand(containerId.getId(), true)); |
| |
| GenericTestUtils.waitFor(() -> |
| isContainerDeleted(hddsDatanodeService, containerId.getId()), |
| 500, 5 * 1000); |
| |
| Assert.assertTrue(isContainerDeleted(hddsDatanodeService, |
| containerId.getId())); |
| |
| } |
| |
| /** |
| * create a key with specified name. |
| * @param keyName |
| * @throws IOException |
| */ |
| private void createKey(String keyName) throws IOException { |
| OzoneOutputStream key = objectStore.getVolume(volumeName) |
| .getBucket(bucketName) |
| .createKey(keyName, 1024, ReplicationType.STAND_ALONE, |
| ReplicationFactor.ONE, new HashMap<>()); |
| key.write("test".getBytes()); |
| key.close(); |
| } |
| |
| /** |
| * Return containerID of the key. |
| * @param keyName |
| * @return ContainerID |
| * @throws IOException |
| */ |
| private ContainerID getContainerID(String keyName) throws IOException { |
| OmKeyArgs keyArgs = |
| new OmKeyArgs.Builder().setVolumeName(volumeName) |
| .setBucketName(bucketName) |
| .setType(HddsProtos.ReplicationType.STAND_ALONE) |
| .setFactor(HddsProtos.ReplicationFactor.ONE) |
| .setKeyName(keyName) |
| .setRefreshPipeline(true) |
| .build(); |
| |
| OmKeyLocationInfo omKeyLocationInfo = |
| cluster.getOzoneManager().lookupKey(keyArgs).getKeyLocationVersions() |
| .get(0).getBlocksLatestVersionOnly().get(0); |
| |
| return ContainerID.valueof( |
| omKeyLocationInfo.getContainerID()); |
| } |
| |
| /** |
| * Checks whether is closed or not on a datanode. |
| * @param hddsDatanodeService |
| * @param containerID |
| * @return true - if container is closes, else returns false. |
| */ |
| private Boolean isContainerClosed(HddsDatanodeService hddsDatanodeService, |
| long containerID) { |
| ContainerData containerData; |
| containerData =hddsDatanodeService |
| .getDatanodeStateMachine().getContainer().getContainerSet() |
| .getContainer(containerID).getContainerData(); |
| return !containerData.isOpen(); |
| } |
| |
| /** |
| * Checks whether container is deleted from the datanode or not. |
| * @param hddsDatanodeService |
| * @param containerID |
| * @return true - if container is deleted, else returns false |
| */ |
| private Boolean isContainerDeleted(HddsDatanodeService hddsDatanodeService, |
| long containerID) { |
| Container container; |
| // if container is not in container set, it means container got deleted. |
| container = hddsDatanodeService |
| .getDatanodeStateMachine().getContainer().getContainerSet() |
| .getContainer(containerID); |
| return container == null; |
| } |
| } |