| /** |
| * 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.hdds.scm.node; |
| |
| import org.apache.commons.io.IOUtils; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileUtil; |
| import org.apache.hadoop.hdds.HddsConfigKeys; |
| import org.apache.hadoop.hdds.scm.ScmConfigKeys; |
| import org.apache.hadoop.hdds.scm.TestUtils; |
| import org.apache.hadoop.hdds.scm.XceiverClientManager; |
| import org.apache.hadoop.hdds.scm.container.ContainerInfo; |
| import org.apache.hadoop.hdds.scm.container.SCMContainerManager; |
| import org.apache.hadoop.hdds.scm.container.placement.algorithms |
| .ContainerPlacementPolicy; |
| import org.apache.hadoop.hdds.scm.container.placement.algorithms |
| .SCMContainerPlacementCapacity; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.hdds.protocol.DatanodeDetails; |
| import org.apache.hadoop.hdds.scm.events.SCMEvents; |
| import org.apache.hadoop.hdds.scm.pipeline.PipelineManager; |
| import org.apache.hadoop.hdds.scm.pipeline.SCMPipelineManager; |
| import org.apache.hadoop.hdds.scm.server.SCMStorageConfig; |
| import org.apache.hadoop.hdds.server.events.EventQueue; |
| import org.apache.hadoop.ozone.OzoneConsts; |
| import org.apache.hadoop.test.PathUtils; |
| import org.junit.Ignore; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.mockito.Mockito; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.concurrent.TimeoutException; |
| |
| import static org.apache.hadoop.hdds.scm.ScmConfigKeys |
| .OZONE_SCM_DB_CACHE_SIZE_DEFAULT; |
| import static org.apache.hadoop.hdds.scm.ScmConfigKeys |
| .OZONE_SCM_DB_CACHE_SIZE_MB; |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeState |
| .HEALTHY; |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * Test for different container placement policy. |
| */ |
| public class TestContainerPlacement { |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| /** |
| * Returns a new copy of Configuration. |
| * |
| * @return Config |
| */ |
| OzoneConfiguration getConf() { |
| return new OzoneConfiguration(); |
| } |
| |
| /** |
| * Creates a NodeManager. |
| * |
| * @param config - Config for the node manager. |
| * @return SCNNodeManager |
| * @throws IOException |
| */ |
| |
| SCMNodeManager createNodeManager(OzoneConfiguration config) |
| throws IOException { |
| EventQueue eventQueue = new EventQueue(); |
| eventQueue.addHandler(SCMEvents.NEW_NODE, |
| Mockito.mock(NewNodeHandler.class)); |
| eventQueue.addHandler(SCMEvents.STALE_NODE, |
| Mockito.mock(StaleNodeHandler.class)); |
| eventQueue.addHandler(SCMEvents.DEAD_NODE, |
| Mockito.mock(DeadNodeHandler.class)); |
| |
| SCMStorageConfig storageConfig = Mockito.mock(SCMStorageConfig.class); |
| Mockito.when(storageConfig.getClusterID()).thenReturn("cluster1"); |
| |
| SCMNodeManager nodeManager = new SCMNodeManager(config, |
| storageConfig, eventQueue, null); |
| return nodeManager; |
| } |
| |
| SCMContainerManager createContainerManager(Configuration config, |
| NodeManager scmNodeManager) throws IOException { |
| EventQueue eventQueue = new EventQueue(); |
| final int cacheSize = config.getInt(OZONE_SCM_DB_CACHE_SIZE_MB, |
| OZONE_SCM_DB_CACHE_SIZE_DEFAULT); |
| PipelineManager pipelineManager = |
| new SCMPipelineManager(config, scmNodeManager, eventQueue, null); |
| return new SCMContainerManager(config, scmNodeManager, pipelineManager, |
| eventQueue); |
| |
| } |
| |
| /** |
| * Test capacity based container placement policy with node reports. |
| * |
| * @throws IOException |
| * @throws InterruptedException |
| * @throws TimeoutException |
| */ |
| @Test |
| @Ignore |
| public void testContainerPlacementCapacity() throws IOException, |
| InterruptedException, TimeoutException { |
| OzoneConfiguration conf = getConf(); |
| final int nodeCount = 4; |
| final long capacity = 10L * OzoneConsts.GB; |
| final long used = 2L * OzoneConsts.GB; |
| final long remaining = capacity - used; |
| |
| final File testDir = PathUtils.getTestDir( |
| TestContainerPlacement.class); |
| conf.set(HddsConfigKeys.OZONE_METADATA_DIRS, |
| testDir.getAbsolutePath()); |
| conf.setClass(ScmConfigKeys.OZONE_SCM_CONTAINER_PLACEMENT_IMPL_KEY, |
| SCMContainerPlacementCapacity.class, ContainerPlacementPolicy.class); |
| |
| SCMNodeManager nodeManager = createNodeManager(conf); |
| SCMContainerManager containerManager = |
| createContainerManager(conf, nodeManager); |
| List<DatanodeDetails> datanodes = |
| TestUtils.getListOfRegisteredDatanodeDetails(nodeManager, nodeCount); |
| XceiverClientManager xceiverClientManager = null; |
| try { |
| for (DatanodeDetails datanodeDetails : datanodes) { |
| nodeManager.processHeartbeat(datanodeDetails); |
| } |
| |
| //TODO: wait for heartbeat to be processed |
| Thread.sleep(4 * 1000); |
| assertEquals(nodeCount, nodeManager.getNodeCount(HEALTHY)); |
| assertEquals(capacity * nodeCount, |
| (long) nodeManager.getStats().getCapacity().get()); |
| assertEquals(used * nodeCount, |
| (long) nodeManager.getStats().getScmUsed().get()); |
| assertEquals(remaining * nodeCount, |
| (long) nodeManager.getStats().getRemaining().get()); |
| |
| xceiverClientManager= new XceiverClientManager(new OzoneConfiguration()); |
| |
| ContainerInfo container = containerManager |
| .allocateContainer( |
| xceiverClientManager.getType(), |
| xceiverClientManager.getFactor(), "OZONE"); |
| assertEquals(xceiverClientManager.getFactor().getNumber(), |
| containerManager.getContainerReplicas( |
| container.containerID()).size()); |
| } finally { |
| IOUtils.closeQuietly(containerManager); |
| IOUtils.closeQuietly(nodeManager); |
| if (xceiverClientManager != null) { |
| xceiverClientManager.close(); |
| } |
| FileUtil.fullyDelete(testDir); |
| } |
| } |
| } |