| /** |
| * 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.scm; |
| |
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; |
| import org.apache.hadoop.hdds.scm.ScmConfigKeys; |
| import org.apache.hadoop.hdds.scm.container.ContainerID; |
| import org.apache.hadoop.hdds.scm.ha.SCMRatisServerImpl; |
| import org.apache.hadoop.hdds.scm.server.StorageContainerManager; |
| import org.apache.hadoop.ozone.MiniOzoneHAClusterImpl; |
| import org.apache.hadoop.ozone.client.ObjectStore; |
| import org.apache.hadoop.ozone.client.OzoneBucket; |
| import org.apache.hadoop.ozone.client.OzoneClientFactory; |
| import org.apache.hadoop.ozone.client.OzoneVolume; |
| 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.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.apache.hadoop.test.GenericTestUtils; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.time.Instant; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.UUID; |
| |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.ozone.MiniOzoneCluster; |
| import org.junit.Rule; |
| |
| import org.junit.rules.Timeout; |
| |
| import java.io.IOException; |
| |
| 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; |
| |
| /** |
| * Base class for Ozone Manager HA tests. |
| */ |
| public class TestStorageContainerManagerHA { |
| |
| private MiniOzoneHAClusterImpl cluster = null; |
| private OzoneConfiguration conf; |
| private String clusterId; |
| private String scmId; |
| private String omServiceId; |
| private static int numOfOMs = 3; |
| private String scmServiceId; |
| private static int numOfSCMs = 3; |
| |
| |
| @Rule |
| public Timeout timeout = new Timeout(300_000); |
| |
| /** |
| * Create a MiniDFSCluster for testing. |
| * <p> |
| * Ozone is made active by setting OZONE_ENABLED = true |
| * |
| * @throws IOException |
| */ |
| @Before |
| public void init() throws Exception { |
| conf = new OzoneConfiguration(); |
| clusterId = UUID.randomUUID().toString(); |
| scmId = UUID.randomUUID().toString(); |
| omServiceId = "om-service-test1"; |
| scmServiceId = "scm-service-test1"; |
| cluster = (MiniOzoneHAClusterImpl) MiniOzoneCluster.newHABuilder(conf) |
| .setClusterId(clusterId) |
| .setScmId(scmId) |
| .setOMServiceId(omServiceId) |
| .setSCMServiceId(scmServiceId) |
| .setNumOfStorageContainerManagers(numOfSCMs) |
| .setNumOfOzoneManagers(numOfOMs) |
| .build(); |
| cluster.waitForClusterToBeReady(); |
| } |
| |
| /** |
| * Shutdown MiniDFSCluster. |
| */ |
| @After |
| public void shutdown() { |
| if (cluster != null) { |
| cluster.shutdown(); |
| } |
| } |
| |
| @Test |
| public void testAllSCMAreRunning() throws Exception { |
| int count = 0; |
| List<StorageContainerManager> scms = cluster.getStorageContainerManagers(); |
| Assert.assertEquals(numOfSCMs, scms.size()); |
| int peerSize = cluster.getStorageContainerManager().getScmHAManager() |
| .getRatisServer().getDivision().getGroup().getPeers().size(); |
| for (StorageContainerManager scm : scms) { |
| if (scm.checkLeader()) { |
| count++; |
| } |
| Assert.assertTrue(peerSize == numOfSCMs); |
| } |
| Assert.assertEquals(1, count); |
| count = 0; |
| List<OzoneManager> oms = cluster.getOzoneManagersList(); |
| Assert.assertEquals(numOfOMs, oms.size()); |
| for (OzoneManager om : oms) { |
| if (om.isLeaderReady()) { |
| count++; |
| } |
| } |
| Assert.assertEquals(1, count); |
| testPutKey(); |
| } |
| |
| public void testPutKey() throws Exception { |
| String volumeName = UUID.randomUUID().toString(); |
| String bucketName = UUID.randomUUID().toString(); |
| Instant testStartTime = Instant.now(); |
| ObjectStore store = |
| OzoneClientFactory.getRpcClient(cluster.getConf()).getObjectStore(); |
| String value = "sample value"; |
| store.createVolume(volumeName); |
| OzoneVolume volume = store.getVolume(volumeName); |
| volume.createBucket(bucketName); |
| OzoneBucket bucket = volume.getBucket(bucketName); |
| |
| 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.assertEquals(value, new String(fileContent, UTF_8)); |
| Assert.assertFalse(key.getCreationTime().isBefore(testStartTime)); |
| Assert.assertFalse(key.getModificationTime().isBefore(testStartTime)); |
| is.close(); |
| final OmKeyArgs keyArgs = new OmKeyArgs.Builder().setVolumeName(volumeName) |
| .setBucketName(bucketName).setType(HddsProtos.ReplicationType.RATIS) |
| .setFactor(HddsProtos.ReplicationFactor.ONE).setKeyName(keyName) |
| .setRefreshPipeline(true).build(); |
| final OmKeyInfo keyInfo = cluster.getOzoneManager().lookupKey(keyArgs); |
| final List<OmKeyLocationInfo> keyLocationInfos = |
| keyInfo.getKeyLocationVersions().get(0).getBlocksLatestVersionOnly(); |
| long index = -1; |
| for (StorageContainerManager scm : cluster.getStorageContainerManagers()) { |
| if (scm.checkLeader()) { |
| index = getLastAppliedIndex(scm); |
| } |
| } |
| Assert.assertFalse(index == -1); |
| long finalIndex = index; |
| // Ensure all follower scms have caught up with the leader |
| GenericTestUtils.waitFor(() -> areAllScmInSync(finalIndex), 100, 10000); |
| final long containerID = keyLocationInfos.get(0).getContainerID(); |
| for (int k = 0; k < numOfSCMs; k++) { |
| StorageContainerManager scm = |
| cluster.getStorageContainerManagers().get(k); |
| // flush to DB on each SCM |
| ((SCMRatisServerImpl) scm.getScmHAManager().getRatisServer()) |
| .getStateMachine().takeSnapshot(); |
| Assert.assertTrue(scm.getContainerManager() |
| .containerExist(ContainerID.valueOf(containerID))); |
| Assert.assertNotNull(scm.getScmMetadataStore().getContainerTable() |
| .get(ContainerID.valueOf(containerID))); |
| } |
| } |
| |
| private long getLastAppliedIndex(StorageContainerManager scm) { |
| return scm.getScmHAManager().getRatisServer().getDivision().getInfo() |
| .getLastAppliedIndex(); |
| } |
| |
| private boolean areAllScmInSync(long leaderIndex) { |
| List<StorageContainerManager> scms = cluster.getStorageContainerManagers(); |
| boolean sync = false; |
| for (StorageContainerManager scm : scms) { |
| sync = getLastAppliedIndex(scm) == leaderIndex; |
| } |
| return sync; |
| } |
| |
| @Test |
| public void testPrimordialSCM() throws Exception { |
| StorageContainerManager scm1 = cluster.getStorageContainerManagers().get(0); |
| StorageContainerManager scm2 = cluster.getStorageContainerManagers().get(1); |
| OzoneConfiguration conf1 = scm1.getConfiguration(); |
| OzoneConfiguration conf2 = scm2.getConfiguration(); |
| conf1.set(ScmConfigKeys.OZONE_SCM_PRIMORDIAL_NODE_ID_KEY, |
| scm1.getSCMNodeId()); |
| conf2.set(ScmConfigKeys.OZONE_SCM_PRIMORDIAL_NODE_ID_KEY, |
| scm1.getSCMNodeId()); |
| Assert.assertTrue(StorageContainerManager.scmBootstrap(conf1)); |
| scm1.getScmHAManager().shutdown(); |
| Assert.assertTrue( |
| StorageContainerManager.scmInit(conf1, scm1.getClusterId())); |
| Assert.assertTrue(StorageContainerManager.scmBootstrap(conf2)); |
| Assert.assertTrue( |
| StorageContainerManager.scmInit(conf2, scm2.getClusterId())); |
| } |
| } |