HDDS-1024. Handle DeleteContainerCommand in the SCMDatanodeProtocolServer. Contributed by Bharat Viswanadham.
This commit is contained in:
Yiqun Lin
parent
1129288cf5
commit
d583cc45c6
@ -57,6 +57,9 @@
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import static org.apache.hadoop.hdds.protocol.proto
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.StorageContainerDatanodeProtocolProtos.SCMCommandProto
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.Type.deleteBlocksCommand;
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import static org.apache.hadoop.hdds.protocol.proto
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.StorageContainerDatanodeProtocolProtos.SCMCommandProto
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.Type.deleteContainerCommand;
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import static org.apache.hadoop.hdds.protocol.proto
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.StorageContainerDatanodeProtocolProtos.SCMCommandProto.Type
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.replicateContainerCommand;
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@ -87,6 +90,7 @@
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import org.apache.hadoop.ozone.protocol.StorageContainerDatanodeProtocol;
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import org.apache.hadoop.ozone.protocol.commands.CloseContainerCommand;
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import org.apache.hadoop.ozone.protocol.commands.DeleteBlocksCommand;
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import org.apache.hadoop.ozone.protocol.commands.DeleteContainerCommand;
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import org.apache.hadoop.ozone.protocol.commands.RegisteredCommand;
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import org.apache.hadoop.ozone.protocol.commands.ReplicateContainerCommand;
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import org.apache.hadoop.ozone.protocol.commands.SCMCommand;
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@ -335,6 +339,11 @@ public SCMCommandProto getCommandResponse(SCMCommand cmd)
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.setCloseContainerCommandProto(
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((CloseContainerCommand) cmd).getProto())
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.build();
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case deleteContainerCommand:
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return builder.setCommandType(deleteContainerCommand)
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.setDeleteContainerCommandProto(
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((DeleteContainerCommand) cmd).getProto())
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.build();
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case replicateContainerCommand:
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return builder
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.setCommandType(replicateContainerCommand)
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@ -0,0 +1,209 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with this
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* work for additional information regarding copyright ownership. The ASF
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* licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.apache.org/licenses/LICENSE-2.0
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package org.apache.hadoop.ozone.container.common.statemachine.commandhandler;
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import org.apache.hadoop.hdds.client.ReplicationFactor;
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import org.apache.hadoop.hdds.client.ReplicationType;
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import org.apache.hadoop.hdds.conf.OzoneConfiguration;
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import org.apache.hadoop.hdds.protocol.DatanodeDetails;
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import org.apache.hadoop.hdds.protocol.proto.HddsProtos;
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import org.apache.hadoop.hdds.scm.container.ContainerID;
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import org.apache.hadoop.hdds.scm.container.ContainerInfo;
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import org.apache.hadoop.hdds.scm.pipeline.Pipeline;
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import org.apache.hadoop.ozone.HddsDatanodeService;
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import org.apache.hadoop.ozone.MiniOzoneCluster;
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import org.apache.hadoop.ozone.client.ObjectStore;
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import org.apache.hadoop.ozone.client.OzoneClient;
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import org.apache.hadoop.ozone.client.OzoneClientFactory;
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import org.apache.hadoop.ozone.client.io.OzoneOutputStream;
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import org.apache.hadoop.ozone.container.common.impl.ContainerData;
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import org.apache.hadoop.ozone.container.common.interfaces.Container;
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import org.apache.hadoop.ozone.om.helpers.OmKeyArgs;
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import org.apache.hadoop.ozone.om.helpers.OmKeyLocationInfo;
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import org.apache.hadoop.ozone.protocol.commands.CloseContainerCommand;
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import org.apache.hadoop.ozone.protocol.commands.DeleteContainerCommand;
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import org.apache.hadoop.test.GenericTestUtils;
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import org.junit.AfterClass;
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import org.junit.Assert;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import java.util.HashMap;
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import static org.apache.hadoop.hdds.scm.ScmConfigKeys.OZONE_SCM_CONTAINER_SIZE;
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/**
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* Tests DeleteContainerCommand Handler.
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*/
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public class TestDeleteContainerHandler {
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private static MiniOzoneCluster cluster;
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private static OzoneConfiguration conf;
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@BeforeClass
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public static void setup() throws Exception {
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conf = new OzoneConfiguration();
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conf.set(OZONE_SCM_CONTAINER_SIZE, "1GB");
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cluster = MiniOzoneCluster.newBuilder(conf)
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.setNumDatanodes(3).build();
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cluster.waitForClusterToBeReady();
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}
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@AfterClass
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public static void shutdown() {
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if (cluster != null) {
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try {
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cluster.shutdown();
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} catch (Exception e) {
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// do nothing.
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}
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}
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}
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@Test(timeout = 60000)
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public void testDeleteContainerRequestHandler() throws Exception {
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//the easiest way to create an open container is creating a key
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OzoneClient client = OzoneClientFactory.getClient(conf);
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ObjectStore objectStore = client.getObjectStore();
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objectStore.createVolume("test");
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objectStore.getVolume("test").createBucket("test");
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OzoneOutputStream key = objectStore.getVolume("test").getBucket("test")
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.createKey("test", 1024, ReplicationType.RATIS,
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ReplicationFactor.THREE, new HashMap<>());
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key.write("test".getBytes());
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key.close();
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//get the name of a valid container
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OmKeyArgs keyArgs =
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new OmKeyArgs.Builder().setVolumeName("test").setBucketName("test")
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.setType(HddsProtos.ReplicationType.RATIS)
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.setFactor(HddsProtos.ReplicationFactor.THREE).setDataSize(1024)
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.setKeyName("test").build();
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OmKeyLocationInfo omKeyLocationInfo =
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cluster.getOzoneManager().lookupKey(keyArgs).getKeyLocationVersions()
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.get(0).getBlocksLatestVersionOnly().get(0);
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ContainerID containerId = ContainerID.valueof(
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omKeyLocationInfo.getContainerID());
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ContainerInfo container = cluster.getStorageContainerManager()
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.getContainerManager().getContainer(containerId);
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Pipeline pipeline = cluster.getStorageContainerManager()
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.getPipelineManager().getPipeline(container.getPipelineID());
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// Take first node from the datanode list, and close the container (As we
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// have only three, the container will be created on three nodes)
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// We need to close the container because delete container only happens
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// on closed containers.
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HddsDatanodeService hddsDatanodeService =
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cluster.getHddsDatanodes().get(0);
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Assert.assertFalse(isContainerClosed(hddsDatanodeService,
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containerId.getId()));
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DatanodeDetails datanodeDetails = hddsDatanodeService.getDatanodeDetails();
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//send the order to close the container
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cluster.getStorageContainerManager().getScmNodeManager()
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.addDatanodeCommand(datanodeDetails.getUuid(),
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new CloseContainerCommand(containerId.getId(), pipeline.getId()));
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GenericTestUtils.waitFor(() ->
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isContainerClosed(hddsDatanodeService, containerId.getId()),
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500, 5 * 1000);
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//double check if it's really closed (waitFor also throws an exception)
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Assert.assertTrue(isContainerClosed(hddsDatanodeService,
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containerId.getId()));
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// Check container exists before sending delete container command
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Assert.assertFalse(isContainerDeleted(hddsDatanodeService,
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containerId.getId()));
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// send delete container to one of the datanode
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cluster.getStorageContainerManager().getScmNodeManager()
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.addDatanodeCommand(datanodeDetails.getUuid(),
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new DeleteContainerCommand(containerId.getId()));
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GenericTestUtils.waitFor(() ->
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isContainerDeleted(hddsDatanodeService, containerId.getId()),
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500, 5 * 1000);
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// On another node, where container is open try to delete container
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HddsDatanodeService hddsDatanodeService1 =
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cluster.getHddsDatanodes().get(1);
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DatanodeDetails datanodeDetails1 =
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hddsDatanodeService1.getDatanodeDetails();
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cluster.getStorageContainerManager().getScmNodeManager()
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.addDatanodeCommand(datanodeDetails1.getUuid(),
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new DeleteContainerCommand(containerId.getId()));
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// Here it should not delete it, and the container should exist in the
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// containerset
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int count = 1;
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// Checking for 10 seconds, whether it is containerSet, as after command
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// is issued, giving some time for it to process.
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while (!isContainerDeleted(hddsDatanodeService1, containerId.getId())) {
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Thread.sleep(1000);
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count++;
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if (count == 10) {
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break;
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}
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}
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Assert.assertFalse(isContainerDeleted(hddsDatanodeService1,
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containerId.getId()));
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}
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/**
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* Checks whether is closed or not on a datanode.
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* @param hddsDatanodeService
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* @param containerID
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* @return true - if container is closes, else returns false.
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*/
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private Boolean isContainerClosed(HddsDatanodeService hddsDatanodeService,
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long containerID) {
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ContainerData containerData;
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containerData =hddsDatanodeService
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.getDatanodeStateMachine().getContainer().getContainerSet()
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.getContainer(containerID).getContainerData();
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return !containerData.isOpen();
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}
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/**
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* Checks whether container is deleted from the datanode or not.
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* @param hddsDatanodeService
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* @param containerID
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* @return true - if container is deleted, else returns false
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*/
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private Boolean isContainerDeleted(HddsDatanodeService hddsDatanodeService,
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long containerID) {
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Container container;
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// if container is not in container set, it means container got deleted.
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container = hddsDatanodeService
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.getDatanodeStateMachine().getContainer().getContainerSet()
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.getContainer(containerID);
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return container == null;
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}
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}
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@ -0,0 +1,21 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Integration tests for the command handler's.
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*/
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package org.apache.hadoop.ozone.container.common.statemachine.commandhandler;
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