| /** |
| * 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; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| import org.apache.hadoop.hdds.scm.server.StorageContainerManager; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.net.NetUtils; |
| import org.apache.hadoop.ozone.client.OzoneClient; |
| import org.apache.hadoop.ozone.client.OzoneClientFactory; |
| import org.apache.hadoop.ozone.om.OMConfigKeys; |
| import org.apache.hadoop.ozone.om.OMStorage; |
| import org.apache.hadoop.ozone.om.OzoneManager; |
| import org.apache.hadoop.ozone.recon.ReconServer; |
| import org.apache.hadoop.security.authentication.client.AuthenticationException; |
| import org.apache.hadoop.test.GenericTestUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.net.BindException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Random; |
| import java.util.concurrent.TimeoutException; |
| import java.util.concurrent.TimeUnit; |
| |
| import static org.apache.hadoop.hdds.HddsConfigKeys.OZONE_METADATA_DIRS; |
| |
| /** |
| * MiniOzoneHAClusterImpl creates a complete in-process Ozone cluster |
| * with OM HA suitable for running tests. The cluster consists of a set of |
| * OzoneManagers, StorageContainerManager and multiple DataNodes. |
| */ |
| public class MiniOzoneHAClusterImpl extends MiniOzoneClusterImpl { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(MiniOzoneHAClusterImpl.class); |
| |
| private Map<String, OzoneManager> ozoneManagerMap; |
| private List<OzoneManager> ozoneManagers; |
| private String omServiceId; |
| |
| // Active OMs denote OMs which are up and running |
| private List<OzoneManager> activeOMs; |
| private List<OzoneManager> inactiveOMs; |
| |
| private int waitForOMToBeReadyTimeout = 120000; // 2 min |
| |
| private static final Random RANDOM = new Random(); |
| private static final int RATIS_LEADER_ELECTION_TIMEOUT = 1000; // 1 second |
| public static final int NODE_FAILURE_TIMEOUT = 2000; // 2 seconds |
| |
| /** |
| * Creates a new MiniOzoneCluster. |
| * |
| * @throws IOException if there is an I/O error |
| */ |
| @SuppressWarnings("checkstyle:ParameterNumber") |
| private MiniOzoneHAClusterImpl( |
| OzoneConfiguration conf, |
| List<OzoneManager> activeOMList, |
| List<OzoneManager> inactiveOMList, |
| StorageContainerManager scm, |
| List<HddsDatanodeService> hddsDatanodes, |
| String omServiceId, |
| ReconServer reconServer) { |
| super(conf, scm, hddsDatanodes, reconServer); |
| |
| this.ozoneManagerMap = Maps.newHashMap(); |
| if (activeOMList != null) { |
| for (OzoneManager om : activeOMList) { |
| this.ozoneManagerMap.put(om.getOMNodeId(), om); |
| } |
| } |
| if (inactiveOMList != null) { |
| for (OzoneManager om : inactiveOMList) { |
| this.ozoneManagerMap.put(om.getOMNodeId(), om); |
| } |
| } |
| this.ozoneManagers = new ArrayList<>(ozoneManagerMap.values()); |
| this.activeOMs = activeOMList; |
| this.inactiveOMs = inactiveOMList; |
| this.omServiceId = omServiceId; |
| |
| // If the serviceID is null, then this should be a non-HA cluster. |
| if (omServiceId == null) { |
| Preconditions.checkArgument(ozoneManagers.size() <= 1); |
| } |
| } |
| |
| /** |
| * Creates a new MiniOzoneCluster with all OMs active. |
| * This is used by MiniOzoneChaosCluster. |
| */ |
| protected MiniOzoneHAClusterImpl( |
| OzoneConfiguration conf, |
| List<OzoneManager> omList, |
| StorageContainerManager scm, |
| List<HddsDatanodeService> hddsDatanodes, |
| String omServiceId) { |
| this(conf, omList, null, scm, hddsDatanodes, omServiceId, null); |
| } |
| |
| @Override |
| public String getServiceId() { |
| return omServiceId; |
| } |
| |
| /** |
| * Returns the first OzoneManager from the list. |
| * @return |
| */ |
| @Override |
| public OzoneManager getOzoneManager() { |
| return this.ozoneManagers.get(0); |
| } |
| |
| @Override |
| public OzoneClient getRpcClient() throws IOException { |
| if (omServiceId == null) { |
| // Non-HA cluster. |
| return OzoneClientFactory.getRpcClient(getConf()); |
| } else { |
| // HA cluster |
| return OzoneClientFactory.getRpcClient(omServiceId, getConf()); |
| } |
| } |
| |
| public boolean isOMActive(String omNodeId) { |
| return activeOMs.contains(ozoneManagerMap.get(omNodeId)); |
| } |
| |
| public OzoneManager getOzoneManager(int index) { |
| return this.ozoneManagers.get(index); |
| } |
| |
| public OzoneManager getOzoneManager(String omNodeId) { |
| return this.ozoneManagerMap.get(omNodeId); |
| } |
| |
| public List<OzoneManager> getOzoneManagersList() { |
| return ozoneManagers; |
| } |
| |
| /** |
| * Get OzoneManager leader object. |
| * @return OzoneManager object, null if there isn't one or more than one |
| */ |
| public OzoneManager getOMLeader() { |
| OzoneManager res = null; |
| for (OzoneManager ozoneManager : this.ozoneManagers) { |
| if (ozoneManager.isLeader()) { |
| if (res != null) { |
| // Found more than one leader |
| // Return null, expect the caller to retry in a while |
| return null; |
| } |
| // Found a leader |
| res = ozoneManager; |
| } |
| } |
| return res; |
| } |
| |
| /** |
| * Start a previously inactive OM. |
| */ |
| public void startInactiveOM(String omNodeID) throws IOException { |
| OzoneManager ozoneManager = ozoneManagerMap.get(omNodeID); |
| if (!inactiveOMs.contains(ozoneManager)) { |
| throw new IOException("OM is already active."); |
| } else { |
| ozoneManager.start(); |
| activeOMs.add(ozoneManager); |
| inactiveOMs.remove(ozoneManager); |
| } |
| } |
| |
| @Override |
| public void restartOzoneManager() throws IOException { |
| for (OzoneManager ozoneManager : ozoneManagers) { |
| ozoneManager.stop(); |
| ozoneManager.restart(); |
| } |
| } |
| |
| public void shutdownOzoneManager(OzoneManager ozoneManager) { |
| LOG.info("Shutting down OzoneManager " + ozoneManager.getOMNodeId()); |
| |
| ozoneManager.stop(); |
| } |
| |
| public void restartOzoneManager(OzoneManager ozoneManager, boolean waitForOM) |
| throws IOException, TimeoutException, InterruptedException { |
| LOG.info("Restarting OzoneManager " + ozoneManager.getOMNodeId()); |
| ozoneManager.restart(); |
| |
| if (waitForOM) { |
| GenericTestUtils.waitFor(ozoneManager::isRunning, |
| 1000, waitForOMToBeReadyTimeout); |
| } |
| } |
| |
| @Override |
| public void stop() { |
| for (OzoneManager ozoneManager : ozoneManagers) { |
| if (ozoneManager != null) { |
| LOG.info("Stopping the OzoneManager {}", ozoneManager.getOMNodeId()); |
| ozoneManager.stop(); |
| ozoneManager.join(); |
| } |
| } |
| super.stop(); |
| } |
| |
| public void stopOzoneManager(int index) { |
| ozoneManagers.get(index).stop(); |
| ozoneManagers.get(index).join(); |
| } |
| |
| public void stopOzoneManager(String omNodeId) { |
| ozoneManagerMap.get(omNodeId).stop(); |
| ozoneManagerMap.get(omNodeId).join(); |
| } |
| |
| /** |
| * Builder for configuring the MiniOzoneCluster to run. |
| */ |
| public static class Builder extends MiniOzoneClusterImpl.Builder { |
| |
| private final String nodeIdBaseStr = "omNode-"; |
| private List<OzoneManager> activeOMs = new ArrayList<>(); |
| private List<OzoneManager> inactiveOMs = new ArrayList<>(); |
| |
| /** |
| * Creates a new Builder. |
| * |
| * @param conf configuration |
| */ |
| public Builder(OzoneConfiguration conf) { |
| super(conf); |
| } |
| |
| @Override |
| public MiniOzoneCluster build() throws IOException { |
| if (numOfActiveOMs > numOfOMs) { |
| throw new IllegalArgumentException("Number of active OMs cannot be " + |
| "more than the total number of OMs"); |
| } |
| |
| // If num of ActiveOMs is not set, set it to numOfOMs. |
| if (numOfActiveOMs == ACTIVE_OMS_NOT_SET) { |
| numOfActiveOMs = numOfOMs; |
| } |
| |
| DefaultMetricsSystem.setMiniClusterMode(true); |
| initializeConfiguration(); |
| initOMRatisConf(); |
| StorageContainerManager scm; |
| ReconServer reconServer = null; |
| try { |
| scm = createSCM(); |
| scm.start(); |
| createOMService(); |
| if (includeRecon) { |
| configureRecon(); |
| reconServer = new ReconServer(); |
| reconServer.execute(new String[] {}); |
| } |
| } catch (AuthenticationException ex) { |
| throw new IOException("Unable to build MiniOzoneCluster. ", ex); |
| } |
| |
| final List<HddsDatanodeService> hddsDatanodes = createHddsDatanodes( |
| scm, reconServer); |
| |
| MiniOzoneHAClusterImpl cluster = new MiniOzoneHAClusterImpl(conf, |
| activeOMs, inactiveOMs, scm, hddsDatanodes, omServiceId, reconServer); |
| |
| if (startDataNodes) { |
| cluster.startHddsDatanodes(); |
| } |
| return cluster; |
| } |
| |
| protected void initOMRatisConf() { |
| conf.setBoolean(OMConfigKeys.OZONE_OM_RATIS_ENABLE_KEY, true); |
| conf.setInt(OMConfigKeys.OZONE_OM_HANDLER_COUNT_KEY, numOfOmHandlers); |
| // If test change the following config values we will respect, |
| // otherwise we will set lower timeout values. |
| long defaultDuration = |
| OMConfigKeys.OZONE_OM_LEADER_ELECTION_MINIMUM_TIMEOUT_DURATION_DEFAULT |
| .getDuration(); |
| long curLeaderElectionTimeout = conf.getTimeDuration( |
| OMConfigKeys.OZONE_OM_LEADER_ELECTION_MINIMUM_TIMEOUT_DURATION_KEY, |
| defaultDuration, TimeUnit.MILLISECONDS); |
| conf.setTimeDuration( |
| OMConfigKeys.OZONE_OM_LEADER_ELECTION_MINIMUM_TIMEOUT_DURATION_KEY, |
| defaultDuration == curLeaderElectionTimeout ? |
| RATIS_LEADER_ELECTION_TIMEOUT : curLeaderElectionTimeout, |
| TimeUnit.MILLISECONDS); |
| long defaultNodeFailureTimeout = |
| OMConfigKeys.OZONE_OM_RATIS_SERVER_FAILURE_TIMEOUT_DURATION_DEFAULT. |
| getDuration(); |
| long curNodeFailureTimeout = conf.getTimeDuration( |
| OMConfigKeys.OZONE_OM_RATIS_SERVER_FAILURE_TIMEOUT_DURATION_KEY, |
| defaultNodeFailureTimeout, |
| OMConfigKeys.OZONE_OM_RATIS_SERVER_FAILURE_TIMEOUT_DURATION_DEFAULT. |
| getUnit()); |
| conf.setTimeDuration( |
| OMConfigKeys.OZONE_OM_RATIS_SERVER_FAILURE_TIMEOUT_DURATION_KEY, |
| curNodeFailureTimeout == defaultNodeFailureTimeout ? |
| NODE_FAILURE_TIMEOUT : curNodeFailureTimeout, |
| TimeUnit.MILLISECONDS); |
| } |
| |
| /** |
| * Start OM service with multiple OMs. |
| */ |
| protected List<OzoneManager> createOMService() throws IOException, |
| AuthenticationException { |
| |
| List<OzoneManager> omList = Lists.newArrayList(); |
| |
| int retryCount = 0; |
| int basePort = 10000; |
| |
| while (true) { |
| try { |
| basePort = 10000 + RANDOM.nextInt(1000) * 4; |
| initHAConfig(basePort); |
| |
| for (int i = 1; i<= numOfOMs; i++) { |
| // Set nodeId |
| String nodeId = nodeIdBaseStr + i; |
| OzoneConfiguration config = new OzoneConfiguration(conf); |
| config.set(OMConfigKeys.OZONE_OM_NODE_ID_KEY, nodeId); |
| // Set the OM http(s) address to null so that the cluster picks |
| // up the address set with service ID and node ID in initHAConfig |
| config.set(OMConfigKeys.OZONE_OM_HTTP_ADDRESS_KEY, ""); |
| config.set(OMConfigKeys.OZONE_OM_HTTPS_ADDRESS_KEY, ""); |
| |
| // Set metadata/DB dir base path |
| String metaDirPath = path + "/" + nodeId; |
| config.set(OZONE_METADATA_DIRS, metaDirPath); |
| OMStorage omStore = new OMStorage(config); |
| initializeOmStorage(omStore); |
| |
| OzoneManager om = OzoneManager.createOm(config); |
| if (certClient != null) { |
| om.setCertClient(certClient); |
| } |
| omList.add(om); |
| |
| if (i <= numOfActiveOMs) { |
| om.start(); |
| activeOMs.add(om); |
| LOG.info("Started OzoneManager RPC server at {}", |
| om.getOmRpcServerAddr()); |
| } else { |
| inactiveOMs.add(om); |
| LOG.info("Intialized OzoneManager at {}. This OM is currently " |
| + "inactive (not running).", om.getOmRpcServerAddr()); |
| } |
| } |
| |
| // Set default OM address to point to the first OM. Clients would |
| // try connecting to this address by default |
| conf.set(OMConfigKeys.OZONE_OM_ADDRESS_KEY, |
| NetUtils.getHostPortString(omList.get(0).getOmRpcServerAddr())); |
| |
| break; |
| } catch (BindException e) { |
| for (OzoneManager om : omList) { |
| om.stop(); |
| om.join(); |
| LOG.info("Stopping OzoneManager server at {}", |
| om.getOmRpcServerAddr()); |
| } |
| omList.clear(); |
| ++retryCount; |
| LOG.info("MiniOzoneHACluster port conflicts, retried {} times", |
| retryCount); |
| } |
| } |
| return omList; |
| } |
| |
| /** |
| * Initialize HA related configurations. |
| */ |
| private void initHAConfig(int basePort) throws IOException { |
| // Set configurations required for starting OM HA service, because that |
| // is the serviceID being passed to start Ozone HA cluster. |
| // Here setting internal service and OZONE_OM_SERVICE_IDS_KEY, in this |
| // way in OM start it uses internal service id to find it's service id. |
| conf.set(OMConfigKeys.OZONE_OM_SERVICE_IDS_KEY, omServiceId); |
| conf.set(OMConfigKeys.OZONE_OM_INTERNAL_SERVICE_ID, omServiceId); |
| String omNodesKey = OmUtils.addKeySuffixes( |
| OMConfigKeys.OZONE_OM_NODES_KEY, omServiceId); |
| StringBuilder omNodesKeyValue = new StringBuilder(); |
| |
| int port = basePort; |
| |
| for (int i = 1; i <= numOfOMs; i++, port+=6) { |
| String omNodeId = nodeIdBaseStr + i; |
| omNodesKeyValue.append(",").append(omNodeId); |
| String omAddrKey = OmUtils.addKeySuffixes( |
| OMConfigKeys.OZONE_OM_ADDRESS_KEY, omServiceId, omNodeId); |
| String omHttpAddrKey = OmUtils.addKeySuffixes( |
| OMConfigKeys.OZONE_OM_HTTP_ADDRESS_KEY, omServiceId, omNodeId); |
| String omHttpsAddrKey = OmUtils.addKeySuffixes( |
| OMConfigKeys.OZONE_OM_HTTPS_ADDRESS_KEY, omServiceId, omNodeId); |
| String omRatisPortKey = OmUtils.addKeySuffixes( |
| OMConfigKeys.OZONE_OM_RATIS_PORT_KEY, omServiceId, omNodeId); |
| |
| conf.set(omAddrKey, "127.0.0.1:" + port); |
| conf.set(omHttpAddrKey, "127.0.0.1:" + (port + 2)); |
| conf.set(omHttpsAddrKey, "127.0.0.1:" + (port + 3)); |
| conf.setInt(omRatisPortKey, port + 4); |
| } |
| |
| conf.set(omNodesKey, omNodesKeyValue.substring(1)); |
| } |
| } |
| } |
