HDFS-10880. Federation Mount Table State Store internal API. Contributed by Jason Kace and Inigo Goiri.
This commit is contained in:
Inigo Goiri
parent
928f8dab52
commit
58b97df661
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@ -27,6 +27,8 @@ import org.apache.hadoop.hdfs.protocol.HdfsConstants;
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import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyDefault;
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import org.apache.hadoop.hdfs.server.blockmanagement.BlockPlacementPolicyRackFaultTolerant;
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import org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.RamDiskReplicaLruTracker;
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import org.apache.hadoop.hdfs.server.federation.resolver.FileSubclusterResolver;
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import org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver;
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import org.apache.hadoop.hdfs.server.federation.resolver.ActiveNamenodeResolver;
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import org.apache.hadoop.hdfs.server.federation.resolver.MembershipNamenodeResolver;
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import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver;
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@ -1181,8 +1183,9 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
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// HDFS Router State Store connection
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public static final String FEDERATION_FILE_RESOLVER_CLIENT_CLASS =
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FEDERATION_ROUTER_PREFIX + "file.resolver.client.class";
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public static final String FEDERATION_FILE_RESOLVER_CLIENT_CLASS_DEFAULT =
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"org.apache.hadoop.hdfs.server.federation.MockResolver";
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public static final Class<? extends FileSubclusterResolver>
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FEDERATION_FILE_RESOLVER_CLIENT_CLASS_DEFAULT =
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MountTableResolver.class;
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public static final String FEDERATION_NAMENODE_RESOLVER_CLIENT_CLASS =
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FEDERATION_ROUTER_PREFIX + "namenode.resolver.client.class";
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public static final Class<? extends ActiveNamenodeResolver>
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@ -0,0 +1,80 @@
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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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package org.apache.hadoop.hdfs.server.federation.resolver;
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import java.io.IOException;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryRequest;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryResponse;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesRequest;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesResponse;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.RemoveMountTableEntryRequest;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.RemoveMountTableEntryResponse;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.UpdateMountTableEntryRequest;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.UpdateMountTableEntryResponse;
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/**
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* Manage a mount table.
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*/
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public interface MountTableManager {
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/**
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* Add an entry to the mount table.
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*
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* @param request Fully populated request object.
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* @return True if the mount table entry was successfully committed to the
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* data store.
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* @throws IOException Throws exception if the data store is not initialized.
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*/
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AddMountTableEntryResponse addMountTableEntry(
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AddMountTableEntryRequest request) throws IOException;
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/**
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* Updates an existing entry in the mount table.
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*
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* @param request Fully populated request object.
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* @return True if the mount table entry was successfully committed to the
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* data store.
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* @throws IOException Throws exception if the data store is not initialized.
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*/
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UpdateMountTableEntryResponse updateMountTableEntry(
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UpdateMountTableEntryRequest request) throws IOException;
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/**
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* Remove an entry from the mount table.
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*
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* @param request Fully populated request object.
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* @return True the mount table entry was removed from the data store.
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* @throws IOException Throws exception if the data store is not initialized.
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*/
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RemoveMountTableEntryResponse removeMountTableEntry(
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RemoveMountTableEntryRequest request) throws IOException;
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/**
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* List all mount table entries present at or below the path. Fetches from the
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* state store.
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*
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* @param request Fully populated request object.
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*
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* @return List of all mount table entries under the path. Zero-length list if
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* none are found.
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* @throws IOException Throws exception if the data store cannot be queried.
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*/
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GetMountTableEntriesResponse getMountTableEntries(
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GetMountTableEntriesRequest request) throws IOException;
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}
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@ -0,0 +1,544 @@
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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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package org.apache.hadoop.hdfs.server.federation.resolver;
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import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_ROUTER_DEFAULT_NAMESERVICE;
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import java.io.IOException;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Set;
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import java.util.SortedMap;
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import java.util.TreeMap;
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import java.util.TreeSet;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ConcurrentNavigableMap;
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import java.util.concurrent.ConcurrentSkipListMap;
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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReadWriteLock;
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import java.util.concurrent.locks.ReentrantReadWriteLock;
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import org.apache.hadoop.HadoopIllegalArgumentException;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.hdfs.DFSUtil;
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import org.apache.hadoop.hdfs.DFSUtilClient;
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import org.apache.hadoop.hdfs.server.federation.resolver.order.DestinationOrder;
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import org.apache.hadoop.hdfs.server.federation.router.Router;
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import org.apache.hadoop.hdfs.server.federation.store.MountTableStore;
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import org.apache.hadoop.hdfs.server.federation.store.StateStoreCache;
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import org.apache.hadoop.hdfs.server.federation.store.StateStoreService;
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import org.apache.hadoop.hdfs.server.federation.store.StateStoreUnavailableException;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesRequest;
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import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesResponse;
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import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.google.common.annotations.VisibleForTesting;
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/**
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* Mount table to map between global paths and remote locations. This allows the
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* {@link org.apache.hadoop.hdfs.server.federation.router.Router Router} to map
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* the global HDFS view to the remote namespaces. This is similar to
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* {@link org.apache.hadoop.fs.viewfs.ViewFs ViewFs}.
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* This is implemented as a tree.
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*/
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public class MountTableResolver
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implements FileSubclusterResolver, StateStoreCache {
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private static final Logger LOG =
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LoggerFactory.getLogger(MountTableResolver.class);
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/** Reference to Router. */
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private final Router router;
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/** Reference to the State Store. */
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private final StateStoreService stateStore;
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/** Interface to the mount table store. */
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private MountTableStore mountTableStore;
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/** If the tree has been initialized. */
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private boolean init = false;
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/** Path -> Remote HDFS location. */
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private final TreeMap<String, MountTable> tree = new TreeMap<>();
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/** Path -> Remote location. */
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private final ConcurrentNavigableMap<String, PathLocation> locationCache =
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new ConcurrentSkipListMap<>();
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/** Default nameservice when no mount matches the math. */
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private String defaultNameService = "";
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/** Synchronization for both the tree and the cache. */
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private final ReadWriteLock readWriteLock = new ReentrantReadWriteLock();
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private final Lock readLock = readWriteLock.readLock();
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private final Lock writeLock = readWriteLock.writeLock();
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@VisibleForTesting
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public MountTableResolver(Configuration conf) {
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this(conf, (StateStoreService)null);
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}
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public MountTableResolver(Configuration conf, Router routerService) {
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this.router = routerService;
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if (this.router != null) {
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this.stateStore = this.router.getStateStore();
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} else {
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this.stateStore = null;
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}
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registerCacheExternal();
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initDefaultNameService(conf);
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}
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public MountTableResolver(Configuration conf, StateStoreService store) {
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this.router = null;
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this.stateStore = store;
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registerCacheExternal();
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initDefaultNameService(conf);
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}
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/**
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* Request cache updates from the State Store for this resolver.
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*/
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private void registerCacheExternal() {
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if (this.stateStore != null) {
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this.stateStore.registerCacheExternal(this);
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}
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}
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/**
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* Nameservice for APIs that cannot be resolved to a specific one.
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*
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* @param conf Configuration for this resolver.
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*/
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private void initDefaultNameService(Configuration conf) {
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try {
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this.defaultNameService = conf.get(
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DFS_ROUTER_DEFAULT_NAMESERVICE,
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DFSUtil.getNamenodeNameServiceId(conf));
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} catch (HadoopIllegalArgumentException e) {
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LOG.error("Cannot find default name service, setting it to the first");
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Collection<String> nsIds = DFSUtilClient.getNameServiceIds(conf);
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this.defaultNameService = nsIds.iterator().next();
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LOG.info("Default name service: {}", this.defaultNameService);
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}
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}
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/**
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* Get a reference for the Router for this resolver.
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*
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* @return Router for this resolver.
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*/
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protected Router getRouter() {
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return this.router;
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}
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/**
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* Get the mount table store for this resolver.
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*
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* @return Mount table store.
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* @throws IOException If it cannot connect to the State Store.
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*/
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protected MountTableStore getMountTableStore() throws IOException {
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if (this.mountTableStore == null) {
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this.mountTableStore = this.stateStore.getRegisteredRecordStore(
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MountTableStore.class);
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if (this.mountTableStore == null) {
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throw new IOException("State Store does not have an interface for " +
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MountTableStore.class);
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}
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}
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return this.mountTableStore;
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}
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/**
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* Add a mount entry to the table.
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*
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* @param entry The mount table record to add from the state store.
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*/
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public void addEntry(final MountTable entry) {
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writeLock.lock();
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try {
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String srcPath = entry.getSourcePath();
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this.tree.put(srcPath, entry);
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invalidateLocationCache(srcPath);
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} finally {
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writeLock.unlock();
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}
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this.init = true;
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}
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/**
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* Remove a mount table entry.
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*
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* @param srcPath Source path for the entry to remove.
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*/
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public void removeEntry(final String srcPath) {
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writeLock.lock();
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try {
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this.tree.remove(srcPath);
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invalidateLocationCache(srcPath);
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} finally {
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writeLock.unlock();
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}
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}
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/**
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* Invalidates all cache entries below this path. It requires the write lock.
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*
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* @param src Source path.
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*/
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private void invalidateLocationCache(final String path) {
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if (locationCache.isEmpty()) {
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return;
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}
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// Determine next lexicographic entry after source path
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String nextSrc = path + Character.MAX_VALUE;
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ConcurrentNavigableMap<String, PathLocation> subMap =
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locationCache.subMap(path, nextSrc);
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for (final String key : subMap.keySet()) {
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locationCache.remove(key);
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}
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}
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/**
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* Updates the mount path tree with a new set of mount table entries. It also
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* updates the needed caches.
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*
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* @param entries Full set of mount table entries to update.
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*/
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@VisibleForTesting
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public void refreshEntries(final Collection<MountTable> entries) {
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// The tree read/write must be atomic
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writeLock.lock();
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try {
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// New entries
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Map<String, MountTable> newEntries = new ConcurrentHashMap<>();
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for (MountTable entry : entries) {
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String srcPath = entry.getSourcePath();
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newEntries.put(srcPath, entry);
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}
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// Old entries (reversed to sort from the leaves to the root)
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Set<String> oldEntries = new TreeSet<>(Collections.reverseOrder());
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for (MountTable entry : getTreeValues("/")) {
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String srcPath = entry.getSourcePath();
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oldEntries.add(srcPath);
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}
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// Entries that need to be removed
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for (String srcPath : oldEntries) {
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if (!newEntries.containsKey(srcPath)) {
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this.tree.remove(srcPath);
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invalidateLocationCache(srcPath);
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LOG.info("Removed stale mount point {} from resolver", srcPath);
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}
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}
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// Entries that need to be added
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for (MountTable entry : entries) {
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String srcPath = entry.getSourcePath();
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if (!oldEntries.contains(srcPath)) {
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// Add node, it does not exist
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this.tree.put(srcPath, entry);
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LOG.info("Added new mount point {} to resolver", srcPath);
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} else {
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// Node exists, check for updates
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MountTable existingEntry = this.tree.get(srcPath);
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if (existingEntry != null && !existingEntry.equals(entry)) {
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// Entry has changed
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invalidateLocationCache(srcPath);
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LOG.info("Updated mount point {} in resolver");
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}
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}
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}
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} finally {
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writeLock.unlock();
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}
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this.init = true;
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}
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/**
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* Replaces the current in-memory cached of the mount table with a new
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* version fetched from the data store.
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*/
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@Override
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public boolean loadCache(boolean force) {
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try {
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// Our cache depends on the store, update it first
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MountTableStore mountTable = this.getMountTableStore();
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mountTable.loadCache(force);
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GetMountTableEntriesRequest request =
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GetMountTableEntriesRequest.newInstance("/");
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GetMountTableEntriesResponse response =
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mountTable.getMountTableEntries(request);
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List<MountTable> records = response.getEntries();
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refreshEntries(records);
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} catch (IOException e) {
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LOG.error("Cannot fetch mount table entries from State Store", e);
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return false;
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}
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return true;
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}
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/**
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* Clears all data.
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*/
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public void clear() {
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LOG.info("Clearing all mount location caches");
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writeLock.lock();
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try {
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this.locationCache.clear();
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this.tree.clear();
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} finally {
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writeLock.unlock();
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}
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}
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@Override
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public PathLocation getDestinationForPath(final String path)
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throws IOException {
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verifyMountTable();
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readLock.lock();
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try {
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return this.locationCache.computeIfAbsent(
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path, this::lookupLocation);
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} finally {
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readLock.unlock();
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}
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}
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/**
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* Build the path location to insert into the cache atomically. It must hold
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* the read lock.
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* @param path Path to check/insert.
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* @return New remote location.
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*/
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public PathLocation lookupLocation(final String path) {
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PathLocation ret = null;
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MountTable entry = findDeepest(path);
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if (entry != null) {
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ret = buildLocation(path, entry);
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} else {
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// Not found, use default location
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RemoteLocation remoteLocation =
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new RemoteLocation(defaultNameService, path);
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List<RemoteLocation> locations =
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Collections.singletonList(remoteLocation);
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ret = new PathLocation(null, locations);
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}
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return ret;
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}
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/**
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* Get the mount table entry for a path.
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*
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* @param path Path to look for.
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* @return Mount table entry the path belongs.
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* @throws IOException If the State Store could not be reached.
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*/
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public MountTable getMountPoint(final String path) throws IOException {
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verifyMountTable();
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return findDeepest(path);
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}
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@Override
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public List<String> getMountPoints(final String path) throws IOException {
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verifyMountTable();
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Set<String> children = new TreeSet<>();
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readLock.lock();
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try {
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String from = path;
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String to = path + Character.MAX_VALUE;
|
||||
SortedMap<String, MountTable> subMap = this.tree.subMap(from, to);
|
||||
|
||||
boolean exists = false;
|
||||
for (String subPath : subMap.keySet()) {
|
||||
String child = subPath;
|
||||
|
||||
// Special case for /
|
||||
if (!path.equals(Path.SEPARATOR)) {
|
||||
// Get the children
|
||||
int ini = path.length();
|
||||
child = subPath.substring(ini);
|
||||
}
|
||||
|
||||
if (child.isEmpty()) {
|
||||
// This is a mount point but without children
|
||||
exists = true;
|
||||
} else if (child.startsWith(Path.SEPARATOR)) {
|
||||
// This is a mount point with children
|
||||
exists = true;
|
||||
child = child.substring(1);
|
||||
|
||||
// We only return immediate children
|
||||
int fin = child.indexOf(Path.SEPARATOR);
|
||||
if (fin > -1) {
|
||||
child = child.substring(0, fin);
|
||||
}
|
||||
if (!child.isEmpty()) {
|
||||
children.add(child);
|
||||
}
|
||||
}
|
||||
}
|
||||
if (!exists) {
|
||||
return null;
|
||||
}
|
||||
return new LinkedList<>(children);
|
||||
} finally {
|
||||
readLock.unlock();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get all the mount records at or beneath a given path.
|
||||
* @param path Path to get the mount points from.
|
||||
* @return List of mount table records under the path or null if the path is
|
||||
* not found.
|
||||
* @throws IOException If it's not connected to the State Store.
|
||||
*/
|
||||
public List<MountTable> getMounts(final String path) throws IOException {
|
||||
verifyMountTable();
|
||||
|
||||
return getTreeValues(path, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the Mount Table is ready to be used.
|
||||
* @throws StateStoreUnavailableException If it cannot connect to the store.
|
||||
*/
|
||||
private void verifyMountTable() throws StateStoreUnavailableException {
|
||||
if (!this.init) {
|
||||
throw new StateStoreUnavailableException("Mount Table not initialized");
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
readLock.lock();
|
||||
try {
|
||||
return this.tree.toString();
|
||||
} finally {
|
||||
readLock.unlock();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Build a location for this result beneath the discovered mount point.
|
||||
*
|
||||
* @param result Tree node search result.
|
||||
* @return PathLocation containing the namespace, local path.
|
||||
*/
|
||||
private static PathLocation buildLocation(
|
||||
final String path, final MountTable entry) {
|
||||
|
||||
String srcPath = entry.getSourcePath();
|
||||
if (!path.startsWith(srcPath)) {
|
||||
LOG.error("Cannot build location, {} not a child of {}", path, srcPath);
|
||||
return null;
|
||||
}
|
||||
String remainingPath = path.substring(srcPath.length());
|
||||
if (remainingPath.startsWith(Path.SEPARATOR)) {
|
||||
remainingPath = remainingPath.substring(1);
|
||||
}
|
||||
|
||||
List<RemoteLocation> locations = new LinkedList<>();
|
||||
for (RemoteLocation oneDst : entry.getDestinations()) {
|
||||
String nsId = oneDst.getNameserviceId();
|
||||
String dest = oneDst.getDest();
|
||||
String newPath = dest;
|
||||
if (!newPath.endsWith(Path.SEPARATOR)) {
|
||||
newPath += Path.SEPARATOR;
|
||||
}
|
||||
newPath += remainingPath;
|
||||
RemoteLocation remoteLocation = new RemoteLocation(nsId, newPath);
|
||||
locations.add(remoteLocation);
|
||||
}
|
||||
DestinationOrder order = entry.getDestOrder();
|
||||
return new PathLocation(srcPath, locations, order);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getDefaultNamespace() {
|
||||
return this.defaultNameService;
|
||||
}
|
||||
|
||||
/**
|
||||
* Find the deepest mount point for a path.
|
||||
* @param path Path to look for.
|
||||
* @return Mount table entry.
|
||||
*/
|
||||
private MountTable findDeepest(final String path) {
|
||||
readLock.lock();
|
||||
try {
|
||||
Entry<String, MountTable> entry = this.tree.floorEntry(path);
|
||||
while (entry != null && !path.startsWith(entry.getKey())) {
|
||||
entry = this.tree.lowerEntry(entry.getKey());
|
||||
}
|
||||
if (entry == null) {
|
||||
return null;
|
||||
}
|
||||
return entry.getValue();
|
||||
} finally {
|
||||
readLock.unlock();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the mount table entries under a path.
|
||||
* @param path Path to search from.
|
||||
* @return Mount Table entries.
|
||||
*/
|
||||
private List<MountTable> getTreeValues(final String path) {
|
||||
return getTreeValues(path, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the mount table entries under a path.
|
||||
* @param path Path to search from.
|
||||
* @param reverse If the order should be reversed.
|
||||
* @return Mount Table entries.
|
||||
*/
|
||||
private List<MountTable> getTreeValues(final String path, boolean reverse) {
|
||||
LinkedList<MountTable> ret = new LinkedList<>();
|
||||
readLock.lock();
|
||||
try {
|
||||
String from = path;
|
||||
String to = path + Character.MAX_VALUE;
|
||||
SortedMap<String, MountTable> subMap = this.tree.subMap(from, to);
|
||||
for (MountTable entry : subMap.values()) {
|
||||
if (!reverse) {
|
||||
ret.add(entry);
|
||||
} else {
|
||||
ret.addFirst(entry);
|
||||
}
|
||||
}
|
||||
} finally {
|
||||
readLock.unlock();
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
}
|
||||
|
|
@ -23,21 +23,27 @@ import java.util.LinkedList;
|
|||
import java.util.List;
|
||||
import java.util.Set;
|
||||
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.order.DestinationOrder;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
/**
|
||||
* A map of the properties and target destinations (name space + path) for
|
||||
* a path in the global/federated namespace.
|
||||
* a path in the global/federated name space.
|
||||
* This data is generated from the @see MountTable records.
|
||||
*/
|
||||
public class PathLocation {
|
||||
|
||||
private static final Logger LOG = LoggerFactory.getLogger(PathLocation.class);
|
||||
|
||||
|
||||
/** Source path in global namespace. */
|
||||
private final String sourcePath;
|
||||
|
||||
/** Remote paths in the target namespaces. */
|
||||
/** Remote paths in the target name spaces. */
|
||||
private final List<RemoteLocation> destinations;
|
||||
|
||||
/** List of name spaces present. */
|
||||
private final Set<String> namespaces;
|
||||
/** Order for the destinations. */
|
||||
private final DestinationOrder destOrder;
|
||||
|
||||
|
||||
/**
|
||||
|
|
@ -45,14 +51,23 @@ public class PathLocation {
|
|||
*
|
||||
* @param source Source path in the global name space.
|
||||
* @param dest Destinations of the mount table entry.
|
||||
* @param namespaces Unique identifier representing the combination of
|
||||
* name spaces present in the destination list.
|
||||
* @param order Order of the locations.
|
||||
*/
|
||||
public PathLocation(
|
||||
String source, List<RemoteLocation> dest, Set<String> nss) {
|
||||
String source, List<RemoteLocation> dest, DestinationOrder order) {
|
||||
this.sourcePath = source;
|
||||
this.destinations = dest;
|
||||
this.namespaces = nss;
|
||||
this.destinations = Collections.unmodifiableList(dest);
|
||||
this.destOrder = order;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a new PathLocation with default HASH order.
|
||||
*
|
||||
* @param source Source path in the global name space.
|
||||
* @param dest Destinations of the mount table entry.
|
||||
*/
|
||||
public PathLocation(String source, List<RemoteLocation> dest) {
|
||||
this(source, dest, DestinationOrder.HASH);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -60,10 +75,55 @@ public class PathLocation {
|
|||
*
|
||||
* @param other Other path location to copy from.
|
||||
*/
|
||||
public PathLocation(PathLocation other) {
|
||||
public PathLocation(final PathLocation other) {
|
||||
this.sourcePath = other.sourcePath;
|
||||
this.destinations = new LinkedList<RemoteLocation>(other.destinations);
|
||||
this.namespaces = new HashSet<String>(other.namespaces);
|
||||
this.destinations = Collections.unmodifiableList(other.destinations);
|
||||
this.destOrder = other.destOrder;
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a path location from another path with the destinations sorted.
|
||||
*
|
||||
* @param other Other path location to copy from.
|
||||
* @param firstNsId Identifier of the namespace to place first.
|
||||
*/
|
||||
public PathLocation(PathLocation other, String firstNsId) {
|
||||
this.sourcePath = other.sourcePath;
|
||||
this.destOrder = other.destOrder;
|
||||
this.destinations = orderedNamespaces(other.destinations, firstNsId);
|
||||
}
|
||||
|
||||
/**
|
||||
* Prioritize a location/destination by its name space/nameserviceId.
|
||||
* This destination might be used by other threads, so the source is not
|
||||
* modifiable.
|
||||
*
|
||||
* @param original List of destinations to order.
|
||||
* @param nsId The name space/nameserviceID to prioritize.
|
||||
* @return Prioritized list of detinations that cannot be modified.
|
||||
*/
|
||||
private static List<RemoteLocation> orderedNamespaces(
|
||||
final List<RemoteLocation> original, final String nsId) {
|
||||
if (original.size() <= 1) {
|
||||
return original;
|
||||
}
|
||||
|
||||
LinkedList<RemoteLocation> newDestinations = new LinkedList<>();
|
||||
boolean found = false;
|
||||
for (RemoteLocation dest : original) {
|
||||
if (dest.getNameserviceId().equals(nsId)) {
|
||||
found = true;
|
||||
newDestinations.addFirst(dest);
|
||||
} else {
|
||||
newDestinations.add(dest);
|
||||
}
|
||||
}
|
||||
|
||||
if (!found) {
|
||||
LOG.debug("Cannot find location with namespace {} in {}",
|
||||
nsId, original);
|
||||
}
|
||||
return Collections.unmodifiableList(newDestinations);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -76,16 +136,37 @@ public class PathLocation {
|
|||
}
|
||||
|
||||
/**
|
||||
* Get the list of subclusters defined for the destinations.
|
||||
* Get the subclusters defined for the destinations.
|
||||
*
|
||||
* @return Set containing the subclusters.
|
||||
*/
|
||||
public Set<String> getNamespaces() {
|
||||
return Collections.unmodifiableSet(this.namespaces);
|
||||
Set<String> namespaces = new HashSet<>();
|
||||
List<RemoteLocation> locations = this.getDestinations();
|
||||
for (RemoteLocation location : locations) {
|
||||
String nsId = location.getNameserviceId();
|
||||
namespaces.add(nsId);
|
||||
}
|
||||
return namespaces;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
RemoteLocation loc = getDefaultLocation();
|
||||
return loc.getNameserviceId() + "->" + loc.getDest();
|
||||
StringBuilder sb = new StringBuilder();
|
||||
for (RemoteLocation destination : this.destinations) {
|
||||
String nsId = destination.getNameserviceId();
|
||||
String path = destination.getDest();
|
||||
if (sb.length() > 0) {
|
||||
sb.append(",");
|
||||
}
|
||||
sb.append(nsId + "->" + path);
|
||||
}
|
||||
if (this.destinations.size() > 1) {
|
||||
sb.append(" [");
|
||||
sb.append(this.destOrder.toString());
|
||||
sb.append("]");
|
||||
}
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -107,6 +188,15 @@ public class PathLocation {
|
|||
return Collections.unmodifiableList(this.destinations);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the order for the destinations.
|
||||
*
|
||||
* @return Order for the destinations.
|
||||
*/
|
||||
public DestinationOrder getDestinationOrder() {
|
||||
return this.destOrder;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the default or highest priority location.
|
||||
*
|
||||
|
|
|
|||
|
|
@ -0,0 +1,29 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.resolver.order;
|
||||
|
||||
/**
|
||||
* Order of the destinations when we have multiple of them. When the resolver
|
||||
* of files to subclusters (FileSubclusterResolver) has multiple destinations,
|
||||
* this determines which location should be checked first.
|
||||
*/
|
||||
public enum DestinationOrder {
|
||||
HASH, // Follow consistent hashing
|
||||
LOCAL, // Local first
|
||||
RANDOM // Random order
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
/**
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/**
|
||||
* A federated location can be resolved to multiple subclusters. This package
|
||||
* takes care of the order in which this multiple destinations should be used.
|
||||
*/
|
||||
@InterfaceAudience.Private
|
||||
@InterfaceStability.Evolving
|
||||
|
||||
package org.apache.hadoop.hdfs.server.federation.resolver.order;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.classification.InterfaceStability;
|
||||
|
|
@ -135,66 +135,20 @@ public final class FederationUtil {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create an instance of an interface with a constructor using a state store
|
||||
* constructor.
|
||||
*
|
||||
* @param conf Configuration
|
||||
* @param context Context object to pass to the instance.
|
||||
* @param contextType Type of the context passed to the constructor.
|
||||
* @param configurationKeyName Configuration key to retrieve the class to load
|
||||
* @param defaultClassName Default class to load if the configuration key is
|
||||
* not set
|
||||
* @param clazz Class/interface that must be implemented by the instance.
|
||||
* @return New instance of the specified class that implements the desired
|
||||
* interface and a single parameter constructor containing a
|
||||
* StateStore reference.
|
||||
*/
|
||||
private static <T, R> T newInstance(final Configuration conf,
|
||||
final R context, final Class<R> contextClass,
|
||||
final String configKeyName, final String defaultClassName,
|
||||
final Class<T> clazz) {
|
||||
|
||||
String className = conf.get(configKeyName, defaultClassName);
|
||||
try {
|
||||
Class<?> instance = conf.getClassByName(className);
|
||||
if (clazz.isAssignableFrom(instance)) {
|
||||
if (contextClass == null) {
|
||||
// Default constructor if no context
|
||||
@SuppressWarnings("unchecked")
|
||||
Constructor<T> constructor =
|
||||
(Constructor<T>) instance.getConstructor();
|
||||
return constructor.newInstance();
|
||||
} else {
|
||||
// Constructor with context
|
||||
@SuppressWarnings("unchecked")
|
||||
Constructor<T> constructor = (Constructor<T>) instance.getConstructor(
|
||||
Configuration.class, contextClass);
|
||||
return constructor.newInstance(conf, context);
|
||||
}
|
||||
} else {
|
||||
throw new RuntimeException("Class " + className + " not instance of "
|
||||
+ clazz.getCanonicalName());
|
||||
}
|
||||
} catch (ReflectiveOperationException e) {
|
||||
LOG.error("Could not instantiate: " + className, e);
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates an instance of a FileSubclusterResolver from the configuration.
|
||||
*
|
||||
* @param conf Configuration that defines the file resolver class.
|
||||
* @param obj Context object passed to class constructor.
|
||||
* @return FileSubclusterResolver
|
||||
* @param router Router service.
|
||||
* @return New file subcluster resolver.
|
||||
*/
|
||||
public static FileSubclusterResolver newFileSubclusterResolver(
|
||||
Configuration conf, StateStoreService stateStore) {
|
||||
return newInstance(conf, stateStore, StateStoreService.class,
|
||||
Configuration conf, Router router) {
|
||||
Class<? extends FileSubclusterResolver> clazz = conf.getClass(
|
||||
DFSConfigKeys.FEDERATION_FILE_RESOLVER_CLIENT_CLASS,
|
||||
DFSConfigKeys.FEDERATION_FILE_RESOLVER_CLIENT_CLASS_DEFAULT,
|
||||
FileSubclusterResolver.class);
|
||||
return newInstance(conf, router, Router.class, clazz);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
|
|
@ -124,8 +124,7 @@ public class Router extends CompositeService {
|
|||
}
|
||||
|
||||
// Lookup interface to map between the global and subcluster name spaces
|
||||
this.subclusterResolver = newFileSubclusterResolver(
|
||||
this.conf, this.stateStore);
|
||||
this.subclusterResolver = newFileSubclusterResolver(this.conf, this);
|
||||
if (this.subclusterResolver == null) {
|
||||
throw new IOException("Cannot find subcluster resolver");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,49 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.classification.InterfaceStability;
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.MountTableManager;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
|
||||
/**
|
||||
* Management API for the HDFS mount table information stored in
|
||||
* {@link org.apache.hadoop.hdfs.server.federation.store.records.MountTable
|
||||
* MountTable} records. The mount table contains entries that map a particular
|
||||
* global namespace path one or more HDFS nameservices (NN) + target path. It is
|
||||
* possible to map mount locations for root folders, directories or individual
|
||||
* files.
|
||||
* <p>
|
||||
* Once fetched from the
|
||||
* {@link org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver
|
||||
* StateStoreDriver}, MountTable records are cached in a tree for faster access.
|
||||
* Each path in the global namespace is mapped to a nameserivce ID and local
|
||||
* path upon request. The cache is periodically updated by the @{link
|
||||
* StateStoreCacheUpdateService}.
|
||||
*/
|
||||
@InterfaceAudience.Private
|
||||
@InterfaceStability.Evolving
|
||||
public abstract class MountTableStore extends CachedRecordStore<MountTable>
|
||||
implements MountTableManager {
|
||||
|
||||
public MountTableStore(StateStoreDriver driver) {
|
||||
super(MountTable.class, driver);
|
||||
}
|
||||
}
|
||||
|
|
@ -31,6 +31,7 @@ import org.apache.hadoop.conf.Configuration;
|
|||
import org.apache.hadoop.hdfs.DFSConfigKeys;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.impl.MembershipStoreImpl;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.impl.MountTableStoreImpl;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.BaseRecord;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MembershipState;
|
||||
import org.apache.hadoop.service.CompositeService;
|
||||
|
|
@ -136,6 +137,7 @@ public class StateStoreService extends CompositeService {
|
|||
|
||||
// Add supported record stores
|
||||
addRecordStore(MembershipStoreImpl.class);
|
||||
addRecordStore(MountTableStoreImpl.class);
|
||||
|
||||
// Check the connection to the State Store periodically
|
||||
this.monitorService = new StateStoreConnectionMonitorService(this);
|
||||
|
|
|
|||
|
|
@ -0,0 +1,116 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.impl;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.Collections;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience;
|
||||
import org.apache.hadoop.classification.InterfaceStability;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.MountTableStore;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreDriver;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.RemoveMountTableEntryRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.RemoveMountTableEntryResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.UpdateMountTableEntryRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.UpdateMountTableEntryResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.Query;
|
||||
import org.apache.hadoop.util.Time;
|
||||
|
||||
/**
|
||||
* Implementation of the {@link MountTableStore} state store API.
|
||||
*/
|
||||
@InterfaceAudience.Private
|
||||
@InterfaceStability.Evolving
|
||||
public class MountTableStoreImpl extends MountTableStore {
|
||||
|
||||
public MountTableStoreImpl(StateStoreDriver driver) {
|
||||
super(driver);
|
||||
}
|
||||
|
||||
@Override
|
||||
public AddMountTableEntryResponse addMountTableEntry(
|
||||
AddMountTableEntryRequest request) throws IOException {
|
||||
boolean status = getDriver().put(request.getEntry(), false, true);
|
||||
AddMountTableEntryResponse response =
|
||||
AddMountTableEntryResponse.newInstance();
|
||||
response.setStatus(status);
|
||||
return response;
|
||||
}
|
||||
|
||||
@Override
|
||||
public UpdateMountTableEntryResponse updateMountTableEntry(
|
||||
UpdateMountTableEntryRequest request) throws IOException {
|
||||
MountTable entry = request.getEntry();
|
||||
boolean status = getDriver().put(entry, true, true);
|
||||
UpdateMountTableEntryResponse response =
|
||||
UpdateMountTableEntryResponse.newInstance();
|
||||
response.setStatus(status);
|
||||
return response;
|
||||
}
|
||||
|
||||
@Override
|
||||
public RemoveMountTableEntryResponse removeMountTableEntry(
|
||||
RemoveMountTableEntryRequest request) throws IOException {
|
||||
final String srcPath = request.getSrcPath();
|
||||
final MountTable partial = MountTable.newInstance();
|
||||
partial.setSourcePath(srcPath);
|
||||
final Query<MountTable> query = new Query<>(partial);
|
||||
int removedRecords = getDriver().remove(getRecordClass(), query);
|
||||
boolean status = (removedRecords == 1);
|
||||
RemoveMountTableEntryResponse response =
|
||||
RemoveMountTableEntryResponse.newInstance();
|
||||
response.setStatus(status);
|
||||
return response;
|
||||
}
|
||||
|
||||
@Override
|
||||
public GetMountTableEntriesResponse getMountTableEntries(
|
||||
GetMountTableEntriesRequest request) throws IOException {
|
||||
|
||||
// Get all values from the cache
|
||||
List<MountTable> records = getCachedRecords();
|
||||
|
||||
// Sort and filter
|
||||
Collections.sort(records);
|
||||
String reqSrcPath = request.getSrcPath();
|
||||
if (reqSrcPath != null && !reqSrcPath.isEmpty()) {
|
||||
// Return only entries beneath this path
|
||||
Iterator<MountTable> it = records.iterator();
|
||||
while (it.hasNext()) {
|
||||
MountTable record = it.next();
|
||||
String srcPath = record.getSourcePath();
|
||||
if (!srcPath.startsWith(reqSrcPath)) {
|
||||
it.remove();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
GetMountTableEntriesResponse response =
|
||||
GetMountTableEntriesResponse.newInstance();
|
||||
response.setEntries(records);
|
||||
response.setTimestamp(Time.now());
|
||||
return response;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,47 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Public;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
|
||||
/**
|
||||
* API request for adding a mount table entry to the state store.
|
||||
*/
|
||||
public abstract class AddMountTableEntryRequest {
|
||||
|
||||
public static AddMountTableEntryRequest newInstance() {
|
||||
return StateStoreSerializer.newRecord(AddMountTableEntryRequest.class);
|
||||
}
|
||||
|
||||
public static AddMountTableEntryRequest newInstance(MountTable newEntry) {
|
||||
AddMountTableEntryRequest request = newInstance();
|
||||
request.setEntry(newEntry);
|
||||
return request;
|
||||
}
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract MountTable getEntry();
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract void setEntry(MountTable mount);
|
||||
}
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Public;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
|
||||
/**
|
||||
* API response for adding a mount table entry to the state store.
|
||||
*/
|
||||
public abstract class AddMountTableEntryResponse {
|
||||
|
||||
public static AddMountTableEntryResponse newInstance() throws IOException {
|
||||
return StateStoreSerializer.newRecord(AddMountTableEntryResponse.class);
|
||||
}
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract boolean getStatus();
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract void setStatus(boolean result);
|
||||
}
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Public;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
|
||||
/**
|
||||
* API request for listing mount table entries present in the state store.
|
||||
*/
|
||||
public abstract class GetMountTableEntriesRequest {
|
||||
|
||||
public static GetMountTableEntriesRequest newInstance() throws IOException {
|
||||
return StateStoreSerializer.newRecord(GetMountTableEntriesRequest.class);
|
||||
}
|
||||
|
||||
public static GetMountTableEntriesRequest newInstance(String srcPath)
|
||||
throws IOException {
|
||||
GetMountTableEntriesRequest request = newInstance();
|
||||
request.setSrcPath(srcPath);
|
||||
return request;
|
||||
}
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract String getSrcPath();
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract void setSrcPath(String path);
|
||||
}
|
||||
|
|
@ -0,0 +1,53 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Public;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
|
||||
/**
|
||||
* API response for listing mount table entries present in the state store.
|
||||
*/
|
||||
public abstract class GetMountTableEntriesResponse {
|
||||
|
||||
public static GetMountTableEntriesResponse newInstance() throws IOException {
|
||||
return StateStoreSerializer.newRecord(GetMountTableEntriesResponse.class);
|
||||
}
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract List<MountTable> getEntries() throws IOException;
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract void setEntries(List<MountTable> entries)
|
||||
throws IOException;
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract long getTimestamp();
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract void setTimestamp(long time);
|
||||
}
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Public;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
|
||||
/**
|
||||
* API request for removing a mount table path present in the state store.
|
||||
*/
|
||||
public abstract class RemoveMountTableEntryRequest {
|
||||
|
||||
public static RemoveMountTableEntryRequest newInstance() throws IOException {
|
||||
return StateStoreSerializer.newRecord(RemoveMountTableEntryRequest.class);
|
||||
}
|
||||
|
||||
public static RemoveMountTableEntryRequest newInstance(String path)
|
||||
throws IOException {
|
||||
RemoveMountTableEntryRequest request = newInstance();
|
||||
request.setSrcPath(path);
|
||||
return request;
|
||||
}
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract String getSrcPath();
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract void setSrcPath(String path);
|
||||
}
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Public;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
|
||||
/**
|
||||
* API response for removing a mount table path present in the state store.
|
||||
*/
|
||||
public abstract class RemoveMountTableEntryResponse {
|
||||
|
||||
public static RemoveMountTableEntryResponse newInstance() throws IOException {
|
||||
return StateStoreSerializer.newRecord(RemoveMountTableEntryResponse.class);
|
||||
}
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract boolean getStatus();
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract void setStatus(boolean result);
|
||||
}
|
||||
|
|
@ -0,0 +1,51 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Public;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
|
||||
/**
|
||||
* API request for updating the destination of an existing mount point in the
|
||||
* state store.
|
||||
*/
|
||||
public abstract class UpdateMountTableEntryRequest {
|
||||
|
||||
public static UpdateMountTableEntryRequest newInstance() throws IOException {
|
||||
return StateStoreSerializer.newRecord(UpdateMountTableEntryRequest.class);
|
||||
}
|
||||
|
||||
public static UpdateMountTableEntryRequest newInstance(MountTable entry)
|
||||
throws IOException {
|
||||
UpdateMountTableEntryRequest request = newInstance();
|
||||
request.setEntry(entry);
|
||||
return request;
|
||||
}
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract MountTable getEntry() throws IOException;
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract void setEntry(MountTable mount) throws IOException;
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.classification.InterfaceAudience.Public;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
|
||||
/**
|
||||
* API response for updating the destination of an existing mount point in the
|
||||
* state store.
|
||||
*/
|
||||
public abstract class UpdateMountTableEntryResponse {
|
||||
|
||||
public static UpdateMountTableEntryResponse newInstance() throws IOException {
|
||||
return StateStoreSerializer.newRecord(UpdateMountTableEntryResponse.class);
|
||||
}
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract boolean getStatus();
|
||||
|
||||
@Public
|
||||
@Unstable
|
||||
public abstract void setStatus(boolean result);
|
||||
}
|
||||
|
|
@ -0,0 +1,84 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol.impl.pb;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.AddMountTableEntryRequestProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.AddMountTableEntryRequestProtoOrBuilder;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.MountTableRecordProto;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.MountTablePBImpl;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.PBRecord;
|
||||
|
||||
import com.google.protobuf.Message;
|
||||
|
||||
/**
|
||||
* Protobuf implementation of the state store API object
|
||||
* AddMountTableEntryRequest.
|
||||
*/
|
||||
public class AddMountTableEntryRequestPBImpl
|
||||
extends AddMountTableEntryRequest implements PBRecord {
|
||||
|
||||
private FederationProtocolPBTranslator<AddMountTableEntryRequestProto,
|
||||
AddMountTableEntryRequestProto.Builder,
|
||||
AddMountTableEntryRequestProtoOrBuilder> translator =
|
||||
new FederationProtocolPBTranslator<AddMountTableEntryRequestProto,
|
||||
AddMountTableEntryRequestProto.Builder,
|
||||
AddMountTableEntryRequestProtoOrBuilder>(
|
||||
AddMountTableEntryRequestProto.class);
|
||||
|
||||
public AddMountTableEntryRequestPBImpl() {
|
||||
}
|
||||
|
||||
public AddMountTableEntryRequestPBImpl(AddMountTableEntryRequestProto proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public AddMountTableEntryRequestProto getProto() {
|
||||
return this.translator.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setProto(Message proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readInstance(String base64String) throws IOException {
|
||||
this.translator.readInstance(base64String);
|
||||
}
|
||||
|
||||
@Override
|
||||
public MountTable getEntry() {
|
||||
MountTableRecordProto entryProto =
|
||||
this.translator.getProtoOrBuilder().getEntry();
|
||||
return new MountTablePBImpl(entryProto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setEntry(MountTable mount) {
|
||||
if (mount instanceof MountTablePBImpl) {
|
||||
MountTablePBImpl mountPB = (MountTablePBImpl)mount;
|
||||
MountTableRecordProto mountProto = mountPB.getProto();
|
||||
translator.getBuilder().setEntry(mountProto);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol.impl.pb;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.AddMountTableEntryResponseProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.AddMountTableEntryResponseProtoOrBuilder;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.PBRecord;
|
||||
|
||||
import com.google.protobuf.Message;
|
||||
|
||||
/**
|
||||
* Protobuf implementation of the state store API object
|
||||
* AddMountTableEntryResponse.
|
||||
*/
|
||||
public class AddMountTableEntryResponsePBImpl
|
||||
extends AddMountTableEntryResponse implements PBRecord {
|
||||
|
||||
private FederationProtocolPBTranslator<AddMountTableEntryResponseProto,
|
||||
AddMountTableEntryResponseProto.Builder,
|
||||
AddMountTableEntryResponseProtoOrBuilder> translator =
|
||||
new FederationProtocolPBTranslator<AddMountTableEntryResponseProto,
|
||||
AddMountTableEntryResponseProto.Builder,
|
||||
AddMountTableEntryResponseProtoOrBuilder>(
|
||||
AddMountTableEntryResponseProto.class);
|
||||
|
||||
public AddMountTableEntryResponsePBImpl() {
|
||||
}
|
||||
|
||||
public AddMountTableEntryResponsePBImpl(
|
||||
AddMountTableEntryResponseProto proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public AddMountTableEntryResponseProto getProto() {
|
||||
return this.translator.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setProto(Message proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readInstance(String base64String) throws IOException {
|
||||
this.translator.readInstance(base64String);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean getStatus() {
|
||||
return this.translator.getProtoOrBuilder().getStatus();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setStatus(boolean result) {
|
||||
this.translator.getBuilder().setStatus(result);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol.impl.pb;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.GetMountTableEntriesRequestProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.GetMountTableEntriesRequestProtoOrBuilder;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.PBRecord;
|
||||
|
||||
import com.google.protobuf.Message;
|
||||
|
||||
/**
|
||||
* Protobuf implementation of the state store API object
|
||||
* GetMountTableEntriesRequest.
|
||||
*/
|
||||
public class GetMountTableEntriesRequestPBImpl
|
||||
extends GetMountTableEntriesRequest implements PBRecord {
|
||||
|
||||
private FederationProtocolPBTranslator<GetMountTableEntriesRequestProto,
|
||||
GetMountTableEntriesRequestProto.Builder,
|
||||
GetMountTableEntriesRequestProtoOrBuilder> translator =
|
||||
new FederationProtocolPBTranslator<GetMountTableEntriesRequestProto,
|
||||
GetMountTableEntriesRequestProto.Builder,
|
||||
GetMountTableEntriesRequestProtoOrBuilder>(
|
||||
GetMountTableEntriesRequestProto.class);
|
||||
|
||||
public GetMountTableEntriesRequestPBImpl() {
|
||||
}
|
||||
|
||||
public GetMountTableEntriesRequestPBImpl(
|
||||
GetMountTableEntriesRequestProto proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public GetMountTableEntriesRequestProto getProto() {
|
||||
return this.translator.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setProto(Message proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readInstance(String base64String) throws IOException {
|
||||
this.translator.readInstance(base64String);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getSrcPath() {
|
||||
return this.translator.getProtoOrBuilder().getSrcPath();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setSrcPath(String path) {
|
||||
this.translator.getBuilder().setSrcPath(path);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,104 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol.impl.pb;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.GetMountTableEntriesResponseProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.GetMountTableEntriesResponseProtoOrBuilder;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.MountTableRecordProto;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.MountTablePBImpl;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.PBRecord;
|
||||
|
||||
import com.google.protobuf.Message;
|
||||
|
||||
/**
|
||||
* Protobuf implementation of the state store API object
|
||||
* GetMountTableEntriesResponse.
|
||||
*/
|
||||
public class GetMountTableEntriesResponsePBImpl
|
||||
extends GetMountTableEntriesResponse implements PBRecord {
|
||||
|
||||
private FederationProtocolPBTranslator<GetMountTableEntriesResponseProto,
|
||||
GetMountTableEntriesResponseProto.Builder,
|
||||
GetMountTableEntriesResponseProtoOrBuilder> translator =
|
||||
new FederationProtocolPBTranslator<GetMountTableEntriesResponseProto,
|
||||
GetMountTableEntriesResponseProto.Builder,
|
||||
GetMountTableEntriesResponseProtoOrBuilder>(
|
||||
GetMountTableEntriesResponseProto.class);
|
||||
|
||||
public GetMountTableEntriesResponsePBImpl() {
|
||||
}
|
||||
|
||||
public GetMountTableEntriesResponsePBImpl(
|
||||
GetMountTableEntriesResponseProto proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public GetMountTableEntriesResponseProto getProto() {
|
||||
return this.translator.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setProto(Message proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readInstance(String base64String) throws IOException {
|
||||
this.translator.readInstance(base64String);
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<MountTable> getEntries() throws IOException {
|
||||
List<MountTableRecordProto> entries =
|
||||
this.translator.getProtoOrBuilder().getEntriesList();
|
||||
List<MountTable> ret = new ArrayList<MountTable>();
|
||||
for (MountTableRecordProto entry : entries) {
|
||||
MountTable record = new MountTablePBImpl(entry);
|
||||
ret.add(record);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setEntries(List<MountTable> records) throws IOException {
|
||||
this.translator.getBuilder().clearEntries();
|
||||
for (MountTable entry : records) {
|
||||
if (entry instanceof MountTablePBImpl) {
|
||||
MountTablePBImpl entryPB = (MountTablePBImpl)entry;
|
||||
this.translator.getBuilder().addEntries(entryPB.getProto());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getTimestamp() {
|
||||
return this.translator.getProtoOrBuilder().getTimestamp();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setTimestamp(long time) {
|
||||
this.translator.getBuilder().setTimestamp(time);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol.impl.pb;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.RemoveMountTableEntryRequestProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.RemoveMountTableEntryRequestProtoOrBuilder;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.RemoveMountTableEntryRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.PBRecord;
|
||||
|
||||
import com.google.protobuf.Message;
|
||||
|
||||
/**
|
||||
* Protobuf implementation of the state store API object
|
||||
* RemoveMountTableEntryRequest.
|
||||
*/
|
||||
public class RemoveMountTableEntryRequestPBImpl
|
||||
extends RemoveMountTableEntryRequest implements PBRecord {
|
||||
|
||||
private FederationProtocolPBTranslator<RemoveMountTableEntryRequestProto,
|
||||
RemoveMountTableEntryRequestProto.Builder,
|
||||
RemoveMountTableEntryRequestProtoOrBuilder> translator =
|
||||
new FederationProtocolPBTranslator<RemoveMountTableEntryRequestProto,
|
||||
RemoveMountTableEntryRequestProto.Builder,
|
||||
RemoveMountTableEntryRequestProtoOrBuilder>(
|
||||
RemoveMountTableEntryRequestProto.class);
|
||||
|
||||
public RemoveMountTableEntryRequestPBImpl() {
|
||||
}
|
||||
|
||||
public RemoveMountTableEntryRequestPBImpl(
|
||||
RemoveMountTableEntryRequestProto proto) {
|
||||
this.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public RemoveMountTableEntryRequestProto getProto() {
|
||||
return this.translator.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setProto(Message proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readInstance(String base64String) throws IOException {
|
||||
this.translator.readInstance(base64String);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getSrcPath() {
|
||||
return this.translator.getProtoOrBuilder().getSrcPath();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setSrcPath(String path) {
|
||||
this.translator.getBuilder().setSrcPath(path);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol.impl.pb;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.RemoveMountTableEntryResponseProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.RemoveMountTableEntryResponseProto.Builder;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.RemoveMountTableEntryResponseProtoOrBuilder;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.RemoveMountTableEntryResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.PBRecord;
|
||||
|
||||
import com.google.protobuf.Message;
|
||||
|
||||
/**
|
||||
* Protobuf implementation of the state store API object
|
||||
* RemoveMountTableEntryResponse.
|
||||
*/
|
||||
public class RemoveMountTableEntryResponsePBImpl
|
||||
extends RemoveMountTableEntryResponse implements PBRecord {
|
||||
|
||||
private FederationProtocolPBTranslator<RemoveMountTableEntryResponseProto,
|
||||
Builder, RemoveMountTableEntryResponseProtoOrBuilder> translator =
|
||||
new FederationProtocolPBTranslator<RemoveMountTableEntryResponseProto,
|
||||
RemoveMountTableEntryResponseProto.Builder,
|
||||
RemoveMountTableEntryResponseProtoOrBuilder>(
|
||||
RemoveMountTableEntryResponseProto.class);
|
||||
|
||||
public RemoveMountTableEntryResponsePBImpl() {
|
||||
}
|
||||
|
||||
public RemoveMountTableEntryResponsePBImpl(
|
||||
RemoveMountTableEntryResponseProto proto) {
|
||||
this.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public RemoveMountTableEntryResponseProto getProto() {
|
||||
return this.translator.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setProto(Message proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readInstance(String base64String) throws IOException {
|
||||
this.translator.readInstance(base64String);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean getStatus() {
|
||||
return this.translator.getProtoOrBuilder().getStatus();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setStatus(boolean result) {
|
||||
this.translator.getBuilder().setStatus(result);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,96 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol.impl.pb;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.MountTableRecordProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.UpdateMountTableEntryRequestProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.UpdateMountTableEntryRequestProtoOrBuilder;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.UpdateMountTableEntryRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.MountTablePBImpl;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.PBRecord;
|
||||
|
||||
import com.google.protobuf.Message;
|
||||
|
||||
/**
|
||||
* Protobuf implementation of the state store API object
|
||||
* UpdateMountTableEntryRequest.
|
||||
*/
|
||||
public class UpdateMountTableEntryRequestPBImpl
|
||||
extends UpdateMountTableEntryRequest implements PBRecord {
|
||||
|
||||
private FederationProtocolPBTranslator<UpdateMountTableEntryRequestProto,
|
||||
UpdateMountTableEntryRequestProto.Builder,
|
||||
UpdateMountTableEntryRequestProtoOrBuilder> translator =
|
||||
new FederationProtocolPBTranslator<UpdateMountTableEntryRequestProto,
|
||||
UpdateMountTableEntryRequestProto.Builder,
|
||||
UpdateMountTableEntryRequestProtoOrBuilder>(
|
||||
UpdateMountTableEntryRequestProto.class);
|
||||
|
||||
public UpdateMountTableEntryRequestPBImpl() {
|
||||
}
|
||||
|
||||
public UpdateMountTableEntryRequestPBImpl(
|
||||
UpdateMountTableEntryRequestProto proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public UpdateMountTableEntryRequestProto getProto() {
|
||||
return this.translator.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setProto(Message proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readInstance(String base64String) throws IOException {
|
||||
this.translator.readInstance(base64String);
|
||||
}
|
||||
|
||||
@Override
|
||||
public MountTable getEntry() throws IOException {
|
||||
MountTableRecordProto statsProto =
|
||||
this.translator.getProtoOrBuilder().getEntry();
|
||||
MountTable stats = StateStoreSerializer.newRecord(MountTable.class);
|
||||
if (stats instanceof MountTablePBImpl) {
|
||||
MountTablePBImpl entryPB = (MountTablePBImpl)stats;
|
||||
entryPB.setProto(statsProto);
|
||||
return entryPB;
|
||||
} else {
|
||||
throw new IOException("Cannot get stats for the membership");
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setEntry(MountTable mount) throws IOException {
|
||||
if (mount instanceof MountTablePBImpl) {
|
||||
MountTablePBImpl mountPB = (MountTablePBImpl)mount;
|
||||
MountTableRecordProto mountProto =
|
||||
(MountTableRecordProto)mountPB.getProto();
|
||||
this.translator.getBuilder().setEntry(mountProto);
|
||||
} else {
|
||||
throw new IOException("Cannot set mount table entry");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.protocol.impl.pb;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.UpdateMountTableEntryResponseProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.UpdateMountTableEntryResponseProtoOrBuilder;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.UpdateMountTableEntryResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.impl.pb.PBRecord;
|
||||
|
||||
import com.google.protobuf.Message;
|
||||
|
||||
/**
|
||||
* Protobuf implementation of the state store API object
|
||||
* UpdateMountTableEntryResponse.
|
||||
*/
|
||||
public class UpdateMountTableEntryResponsePBImpl
|
||||
extends UpdateMountTableEntryResponse implements PBRecord {
|
||||
|
||||
private FederationProtocolPBTranslator<UpdateMountTableEntryResponseProto,
|
||||
UpdateMountTableEntryResponseProto.Builder,
|
||||
UpdateMountTableEntryResponseProtoOrBuilder> translator =
|
||||
new FederationProtocolPBTranslator<UpdateMountTableEntryResponseProto,
|
||||
UpdateMountTableEntryResponseProto.Builder,
|
||||
UpdateMountTableEntryResponseProtoOrBuilder>(
|
||||
UpdateMountTableEntryResponseProto.class);
|
||||
|
||||
public UpdateMountTableEntryResponsePBImpl() {
|
||||
}
|
||||
|
||||
public UpdateMountTableEntryResponsePBImpl(
|
||||
UpdateMountTableEntryResponseProto proto) {
|
||||
this.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public UpdateMountTableEntryResponseProto getProto() {
|
||||
return this.translator.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setProto(Message proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readInstance(String base64String) throws IOException {
|
||||
this.translator.readInstance(base64String);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean getStatus() {
|
||||
return this.translator.getProtoOrBuilder().getStatus();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setStatus(boolean result) {
|
||||
this.translator.getBuilder().setStatus(result);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,301 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.records;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.LinkedList;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import java.util.SortedMap;
|
||||
import java.util.TreeMap;
|
||||
|
||||
import org.apache.commons.lang.builder.HashCodeBuilder;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.RemoteLocation;
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.order.DestinationOrder;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
/**
|
||||
* Data schema for
|
||||
* {@link org.apache.hadoop.hdfs.server.federation.store.
|
||||
* MountTableStore FederationMountTableStore} data stored in the
|
||||
* {@link org.apache.hadoop.hdfs.server.federation.store.
|
||||
* StateStoreService FederationStateStoreService}. Supports string
|
||||
* serialization.
|
||||
*/
|
||||
public abstract class MountTable extends BaseRecord {
|
||||
|
||||
private static final Logger LOG = LoggerFactory.getLogger(MountTable.class);
|
||||
|
||||
|
||||
/**
|
||||
* Default constructor for a mount table entry.
|
||||
*/
|
||||
public MountTable() {
|
||||
super();
|
||||
}
|
||||
|
||||
public static MountTable newInstance() {
|
||||
MountTable record = StateStoreSerializer.newRecord(MountTable.class);
|
||||
record.init();
|
||||
return record;
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor for a mount table entry with a single destinations.
|
||||
*
|
||||
* @param src Source path in the mount entry.
|
||||
* @param destinations Nameservice destination of the mount point.
|
||||
* @param dateCreated Created date.
|
||||
* @param dateModified Modified date.
|
||||
* @throws IOException
|
||||
*/
|
||||
public static MountTable newInstance(final String src,
|
||||
final Map<String, String> destinations,
|
||||
long dateCreated, long dateModified) throws IOException {
|
||||
|
||||
MountTable record = newInstance(src, destinations);
|
||||
record.setDateCreated(dateCreated);
|
||||
record.setDateModified(dateModified);
|
||||
return record;
|
||||
}
|
||||
|
||||
/**
|
||||
* Constructor for a mount table entry with multiple destinations.
|
||||
*
|
||||
* @param src Source path in the mount entry.
|
||||
* @param destinations Nameservice destinations of the mount point.
|
||||
* @throws IOException
|
||||
*/
|
||||
public static MountTable newInstance(final String src,
|
||||
final Map<String, String> destinations) throws IOException {
|
||||
MountTable record = newInstance();
|
||||
|
||||
// Normalize the mount path
|
||||
record.setSourcePath(normalizeFileSystemPath(src));
|
||||
|
||||
// Build a list of remote locations
|
||||
final List<RemoteLocation> locations = new LinkedList<>();
|
||||
for (Entry<String, String> entry : destinations.entrySet()) {
|
||||
String nsId = entry.getKey();
|
||||
String path = normalizeFileSystemPath(entry.getValue());
|
||||
RemoteLocation location = new RemoteLocation(nsId, path);
|
||||
locations.add(location);
|
||||
}
|
||||
|
||||
// Set the serialized dest string
|
||||
record.setDestinations(locations);
|
||||
|
||||
// Validate
|
||||
record.validate();
|
||||
return record;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get source path in the federated namespace.
|
||||
*
|
||||
* @return Source path in the federated namespace.
|
||||
*/
|
||||
public abstract String getSourcePath();
|
||||
|
||||
/**
|
||||
* Set source path in the federated namespace.
|
||||
*
|
||||
* @param path Source path in the federated namespace.
|
||||
*/
|
||||
public abstract void setSourcePath(String path);
|
||||
|
||||
/**
|
||||
* Get a list of destinations (namespace + path) present for this entry.
|
||||
*
|
||||
* @return List of RemoteLocation destinations. Null if no destinations.
|
||||
*/
|
||||
public abstract List<RemoteLocation> getDestinations();
|
||||
|
||||
/**
|
||||
* Set the destination paths.
|
||||
*
|
||||
* @param paths Destination paths.
|
||||
*/
|
||||
public abstract void setDestinations(List<RemoteLocation> dests);
|
||||
|
||||
/**
|
||||
* Add a new destination to this mount table entry.
|
||||
*/
|
||||
public abstract boolean addDestination(String nsId, String path);
|
||||
|
||||
/**
|
||||
* Check if the entry is read only.
|
||||
*
|
||||
* @return If the entry is read only.
|
||||
*/
|
||||
public abstract boolean isReadOnly();
|
||||
|
||||
/**
|
||||
* Set an entry to be read only.
|
||||
*
|
||||
* @param ro If the entry is read only.
|
||||
*/
|
||||
public abstract void setReadOnly(boolean ro);
|
||||
|
||||
/**
|
||||
* Get the order of the destinations for this mount table entry.
|
||||
*
|
||||
* @return Order of the destinations.
|
||||
*/
|
||||
public abstract DestinationOrder getDestOrder();
|
||||
|
||||
/**
|
||||
* Set the order of the destinations for this mount table entry.
|
||||
*
|
||||
* @param order Order of the destinations.
|
||||
*/
|
||||
public abstract void setDestOrder(DestinationOrder order);
|
||||
|
||||
/**
|
||||
* Get the default location.
|
||||
* @return The default location.
|
||||
*/
|
||||
public RemoteLocation getDefaultLocation() {
|
||||
List<RemoteLocation> dests = this.getDestinations();
|
||||
if (dests == null || dests.isEmpty()) {
|
||||
return null;
|
||||
}
|
||||
return dests.get(0);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean like(final BaseRecord o) {
|
||||
if (o instanceof MountTable) {
|
||||
MountTable other = (MountTable)o;
|
||||
if (getSourcePath() != null &&
|
||||
!getSourcePath().equals(other.getSourcePath())) {
|
||||
return false;
|
||||
}
|
||||
if (getDestinations() != null &&
|
||||
!getDestinations().equals(other.getDestinations())) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
StringBuilder sb = new StringBuilder();
|
||||
sb.append(this.getSourcePath());
|
||||
sb.append("->");
|
||||
List<RemoteLocation> destinations = this.getDestinations();
|
||||
sb.append(destinations);
|
||||
if (destinations != null && destinations.size() > 1) {
|
||||
sb.append("[" + this.getDestOrder() + "]");
|
||||
}
|
||||
if (this.isReadOnly()) {
|
||||
sb.append("[RO]");
|
||||
}
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
@Override
|
||||
public SortedMap<String, String> getPrimaryKeys() {
|
||||
SortedMap<String, String> map = new TreeMap<>();
|
||||
map.put("sourcePath", this.getSourcePath());
|
||||
return map;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean validate() {
|
||||
boolean ret = super.validate();
|
||||
if (this.getSourcePath() == null || this.getSourcePath().length() == 0) {
|
||||
LOG.error("Invalid entry, no source path specified ", this);
|
||||
ret = false;
|
||||
}
|
||||
if (!this.getSourcePath().startsWith("/")) {
|
||||
LOG.error("Invalid entry, all mount points must start with / ", this);
|
||||
ret = false;
|
||||
}
|
||||
if (this.getDestinations() == null || this.getDestinations().size() == 0) {
|
||||
LOG.error("Invalid entry, no destination paths specified ", this);
|
||||
ret = false;
|
||||
}
|
||||
for (RemoteLocation loc : getDestinations()) {
|
||||
String nsId = loc.getNameserviceId();
|
||||
if (nsId == null || nsId.length() == 0) {
|
||||
LOG.error("Invalid entry, invalid destination nameservice ", this);
|
||||
ret = false;
|
||||
}
|
||||
if (loc.getDest() == null || loc.getDest().length() == 0) {
|
||||
LOG.error("Invalid entry, invalid destination path ", this);
|
||||
ret = false;
|
||||
}
|
||||
if (!loc.getDest().startsWith("/")) {
|
||||
LOG.error("Invalid entry, all destination must start with / ", this);
|
||||
ret = false;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getExpirationMs() {
|
||||
return 0;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return new HashCodeBuilder(17, 31)
|
||||
.append(this.getSourcePath())
|
||||
.append(this.getDestinations())
|
||||
.append(this.isReadOnly())
|
||||
.append(this.getDestOrder())
|
||||
.toHashCode();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object obj) {
|
||||
if (obj instanceof MountTable) {
|
||||
MountTable other = (MountTable)obj;
|
||||
if (!this.getSourcePath().equals(other.getSourcePath())) {
|
||||
return false;
|
||||
} else if (!this.getDestinations().equals(other.getDestinations())) {
|
||||
return false;
|
||||
} else if (this.isReadOnly() != other.isReadOnly()) {
|
||||
return false;
|
||||
} else if (!this.getDestOrder().equals(other.getDestOrder())) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Normalize a path for that filesystem.
|
||||
*
|
||||
* @param path Path to normalize.
|
||||
* @return Normalized path.
|
||||
*/
|
||||
private static String normalizeFileSystemPath(final String path) {
|
||||
Path normalizedPath = new Path(path);
|
||||
return normalizedPath.toString();
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,213 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.records.impl.pb;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.LinkedList;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.MountTableRecordProto;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.MountTableRecordProto.Builder;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.MountTableRecordProto.DestOrder;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.MountTableRecordProtoOrBuilder;
|
||||
import org.apache.hadoop.hdfs.federation.protocol.proto.HdfsServerFederationProtos.RemoteLocationProto;
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.RemoteLocation;
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.order.DestinationOrder;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.impl.pb.FederationProtocolPBTranslator;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
|
||||
import com.google.protobuf.Message;
|
||||
|
||||
/**
|
||||
* Protobuf implementation of the MountTable record.
|
||||
*/
|
||||
public class MountTablePBImpl extends MountTable implements PBRecord {
|
||||
|
||||
private FederationProtocolPBTranslator<MountTableRecordProto, Builder,
|
||||
MountTableRecordProtoOrBuilder> translator =
|
||||
new FederationProtocolPBTranslator<MountTableRecordProto, Builder,
|
||||
MountTableRecordProtoOrBuilder>(MountTableRecordProto.class);
|
||||
|
||||
public MountTablePBImpl() {
|
||||
}
|
||||
|
||||
public MountTablePBImpl(MountTableRecordProto proto) {
|
||||
this.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public MountTableRecordProto getProto() {
|
||||
return this.translator.build();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setProto(Message proto) {
|
||||
this.translator.setProto(proto);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void readInstance(String base64String) throws IOException {
|
||||
this.translator.readInstance(base64String);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getSourcePath() {
|
||||
MountTableRecordProtoOrBuilder proto = this.translator.getProtoOrBuilder();
|
||||
if (!proto.hasSrcPath()) {
|
||||
return null;
|
||||
}
|
||||
return proto.getSrcPath();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setSourcePath(String path) {
|
||||
Builder builder = this.translator.getBuilder();
|
||||
if (path == null) {
|
||||
builder.clearSrcPath();
|
||||
} else {
|
||||
builder.setSrcPath(path);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public List<RemoteLocation> getDestinations() {
|
||||
MountTableRecordProtoOrBuilder proto = this.translator.getProtoOrBuilder();
|
||||
if (proto.getDestinationsCount() == 0) {
|
||||
return null;
|
||||
}
|
||||
|
||||
final List<RemoteLocation> ret = new LinkedList<>();
|
||||
final List<RemoteLocationProto> destList = proto.getDestinationsList();
|
||||
for (RemoteLocationProto dest : destList) {
|
||||
String nsId = dest.getNameserviceId();
|
||||
String path = dest.getPath();
|
||||
RemoteLocation loc = new RemoteLocation(nsId, path);
|
||||
ret.add(loc);
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setDestinations(final List<RemoteLocation> dests) {
|
||||
Builder builder = this.translator.getBuilder();
|
||||
builder.clearDestinations();
|
||||
for (RemoteLocation dest : dests) {
|
||||
RemoteLocationProto.Builder itemBuilder =
|
||||
RemoteLocationProto.newBuilder();
|
||||
String nsId = dest.getNameserviceId();
|
||||
String path = dest.getDest();
|
||||
itemBuilder.setNameserviceId(nsId);
|
||||
itemBuilder.setPath(path);
|
||||
RemoteLocationProto item = itemBuilder.build();
|
||||
builder.addDestinations(item);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean addDestination(String nsId, String path) {
|
||||
// Check if the location is already there
|
||||
List<RemoteLocation> dests = getDestinations();
|
||||
for (RemoteLocation dest : dests) {
|
||||
if (dest.getNameserviceId().equals(nsId) && dest.getDest().equals(path)) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// Add it to the existing list
|
||||
Builder builder = this.translator.getBuilder();
|
||||
RemoteLocationProto.Builder itemBuilder =
|
||||
RemoteLocationProto.newBuilder();
|
||||
itemBuilder.setNameserviceId(nsId);
|
||||
itemBuilder.setPath(path);
|
||||
RemoteLocationProto item = itemBuilder.build();
|
||||
builder.addDestinations(item);
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setDateModified(long time) {
|
||||
this.translator.getBuilder().setDateModified(time);
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getDateModified() {
|
||||
return this.translator.getProtoOrBuilder().getDateModified();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setDateCreated(long time) {
|
||||
this.translator.getBuilder().setDateCreated(time);
|
||||
}
|
||||
|
||||
@Override
|
||||
public long getDateCreated() {
|
||||
return this.translator.getProtoOrBuilder().getDateCreated();
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isReadOnly() {
|
||||
MountTableRecordProtoOrBuilder proto = this.translator.getProtoOrBuilder();
|
||||
if (!proto.hasReadOnly()) {
|
||||
return false;
|
||||
}
|
||||
return proto.getReadOnly();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setReadOnly(boolean ro) {
|
||||
this.translator.getBuilder().setReadOnly(ro);
|
||||
}
|
||||
|
||||
@Override
|
||||
public DestinationOrder getDestOrder() {
|
||||
MountTableRecordProtoOrBuilder proto = this.translator.getProtoOrBuilder();
|
||||
return convert(proto.getDestOrder());
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setDestOrder(DestinationOrder order) {
|
||||
Builder builder = this.translator.getBuilder();
|
||||
if (order == null) {
|
||||
builder.clearDestOrder();
|
||||
} else {
|
||||
builder.setDestOrder(convert(order));
|
||||
}
|
||||
}
|
||||
|
||||
private DestinationOrder convert(DestOrder order) {
|
||||
switch (order) {
|
||||
case LOCAL:
|
||||
return DestinationOrder.LOCAL;
|
||||
case RANDOM:
|
||||
return DestinationOrder.RANDOM;
|
||||
default:
|
||||
return DestinationOrder.HASH;
|
||||
}
|
||||
}
|
||||
|
||||
private DestOrder convert(DestinationOrder order) {
|
||||
switch (order) {
|
||||
case LOCAL:
|
||||
return DestOrder.LOCAL;
|
||||
case RANDOM:
|
||||
return DestOrder.RANDOM;
|
||||
default:
|
||||
return DestOrder.HASH;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -104,4 +104,63 @@ message NamenodeHeartbeatRequestProto {
|
|||
|
||||
message NamenodeHeartbeatResponseProto {
|
||||
optional bool status = 1;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/////////////////////////////////////////////////
|
||||
// Mount table
|
||||
/////////////////////////////////////////////////
|
||||
|
||||
message RemoteLocationProto {
|
||||
optional string nameserviceId = 1;
|
||||
optional string path = 2;
|
||||
}
|
||||
|
||||
message MountTableRecordProto {
|
||||
optional string srcPath = 1;
|
||||
repeated RemoteLocationProto destinations = 2;
|
||||
optional uint64 dateCreated = 3;
|
||||
optional uint64 dateModified = 4;
|
||||
optional bool readOnly = 5 [default = false];
|
||||
|
||||
enum DestOrder {
|
||||
HASH = 0;
|
||||
LOCAL = 1;
|
||||
RANDOM = 2;
|
||||
}
|
||||
optional DestOrder destOrder = 6 [default = HASH];
|
||||
}
|
||||
|
||||
message AddMountTableEntryRequestProto {
|
||||
optional MountTableRecordProto entry = 1;
|
||||
}
|
||||
|
||||
message AddMountTableEntryResponseProto {
|
||||
optional bool status = 1;
|
||||
}
|
||||
|
||||
message UpdateMountTableEntryRequestProto {
|
||||
optional MountTableRecordProto entry = 1;
|
||||
}
|
||||
|
||||
message UpdateMountTableEntryResponseProto {
|
||||
optional bool status = 1;
|
||||
}
|
||||
|
||||
message RemoveMountTableEntryRequestProto {
|
||||
optional string srcPath = 1;
|
||||
}
|
||||
|
||||
message RemoveMountTableEntryResponseProto{
|
||||
optional bool status = 1;
|
||||
}
|
||||
|
||||
message GetMountTableEntriesRequestProto {
|
||||
optional string srcPath = 1;
|
||||
}
|
||||
|
||||
message GetMountTableEntriesResponseProto {
|
||||
repeated MountTableRecordProto entries = 1;
|
||||
optional uint64 timestamp = 2;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -38,6 +38,7 @@ import org.apache.hadoop.hdfs.server.federation.resolver.NamenodePriorityCompara
|
|||
import org.apache.hadoop.hdfs.server.federation.resolver.NamenodeStatusReport;
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.PathLocation;
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.RemoteLocation;
|
||||
import org.apache.hadoop.hdfs.server.federation.router.Router;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.StateStoreService;
|
||||
import org.apache.hadoop.util.Time;
|
||||
|
||||
|
|
@ -68,6 +69,10 @@ public class MockResolver
|
|||
this();
|
||||
}
|
||||
|
||||
public MockResolver(Configuration conf, Router router) {
|
||||
this();
|
||||
}
|
||||
|
||||
public void addLocation(String mount, String nsId, String location) {
|
||||
List<RemoteLocation> locationsList = this.locations.get(mount);
|
||||
if (locationsList == null) {
|
||||
|
|
@ -258,7 +263,6 @@ public class MockResolver
|
|||
|
||||
@Override
|
||||
public PathLocation getDestinationForPath(String path) throws IOException {
|
||||
Set<String> namespaceSet = new HashSet<>();
|
||||
List<RemoteLocation> remoteLocations = new LinkedList<>();
|
||||
for (String key : this.locations.keySet()) {
|
||||
if (path.startsWith(key)) {
|
||||
|
|
@ -268,7 +272,6 @@ public class MockResolver
|
|||
RemoteLocation remoteLocation =
|
||||
new RemoteLocation(nameservice, finalPath);
|
||||
remoteLocations.add(remoteLocation);
|
||||
namespaceSet.add(nameservice);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
|
@ -277,7 +280,7 @@ public class MockResolver
|
|||
// Path isn't supported, mimic resolver behavior.
|
||||
return null;
|
||||
}
|
||||
return new PathLocation(path, remoteLocations, namespaceSet);
|
||||
return new PathLocation(path, remoteLocations);
|
||||
}
|
||||
|
||||
@Override
|
||||
|
|
|
|||
|
|
@ -0,0 +1,396 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.resolver;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertNull;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
import static org.junit.Assert.fail;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Random;
|
||||
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.hdfs.server.federation.router.Router;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.MountTableStore;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
/**
|
||||
* Test the {@link MountTableStore} from the {@link Router}.
|
||||
*/
|
||||
public class TestMountTableResolver {
|
||||
|
||||
private static final Logger LOG =
|
||||
LoggerFactory.getLogger(TestMountTableResolver.class);
|
||||
|
||||
private MountTableResolver mountTable;
|
||||
|
||||
private Map<String, String> getMountTableEntry(
|
||||
String subcluster, String path) {
|
||||
Map<String, String> ret = new HashMap<>();
|
||||
ret.put(subcluster, path);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* Setup the mount table.
|
||||
* / -> 1:/
|
||||
* __tmp -> 2:/tmp
|
||||
* __user -> 3:/user
|
||||
* ____a -> 2:/user/test
|
||||
* ______demo
|
||||
* ________test
|
||||
* __________a -> 1:/user/test
|
||||
* __________b -> 3:/user/test
|
||||
* ____b
|
||||
* ______file1.txt -> 4:/user/file1.txt
|
||||
* __usr
|
||||
* ____bin -> 2:/bin
|
||||
*
|
||||
* @throws IOException If it cannot set the mount table.
|
||||
*/
|
||||
private void setupMountTable() throws IOException {
|
||||
Configuration conf = new Configuration();
|
||||
mountTable = new MountTableResolver(conf);
|
||||
|
||||
// Root mount point
|
||||
Map<String, String> map = getMountTableEntry("1", "/");
|
||||
mountTable.addEntry(MountTable.newInstance("/", map));
|
||||
|
||||
// /tmp
|
||||
map = getMountTableEntry("2", "/");
|
||||
mountTable.addEntry(MountTable.newInstance("/tmp", map));
|
||||
|
||||
// /user
|
||||
map = getMountTableEntry("3", "/user");
|
||||
mountTable.addEntry(MountTable.newInstance("/user", map));
|
||||
|
||||
// /usr/bin
|
||||
map = getMountTableEntry("2", "/bin");
|
||||
mountTable.addEntry(MountTable.newInstance("/usr/bin", map));
|
||||
|
||||
// /user/a
|
||||
map = getMountTableEntry("2", "/user/test");
|
||||
mountTable.addEntry(MountTable.newInstance("/user/a", map));
|
||||
|
||||
// /user/b/file1.txt
|
||||
map = getMountTableEntry("4", "/user/file1.txt");
|
||||
mountTable.addEntry(MountTable.newInstance("/user/b/file1.txt", map));
|
||||
|
||||
// /user/a/demo/test/a
|
||||
map = getMountTableEntry("1", "/user/test");
|
||||
mountTable.addEntry(MountTable.newInstance("/user/a/demo/test/a", map));
|
||||
|
||||
// /user/a/demo/test/b
|
||||
map = getMountTableEntry("3", "/user/test");
|
||||
mountTable.addEntry(MountTable.newInstance("/user/a/demo/test/b", map));
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setup() throws IOException {
|
||||
setupMountTable();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testDestination() throws IOException {
|
||||
|
||||
// Check files
|
||||
assertEquals("1->/tesfile1.txt",
|
||||
mountTable.getDestinationForPath("/tesfile1.txt").toString());
|
||||
|
||||
assertEquals("3->/user/testfile2.txt",
|
||||
mountTable.getDestinationForPath("/user/testfile2.txt").toString());
|
||||
|
||||
assertEquals("2->/user/test/testfile3.txt",
|
||||
mountTable.getDestinationForPath("/user/a/testfile3.txt").toString());
|
||||
|
||||
assertEquals("3->/user/b/testfile4.txt",
|
||||
mountTable.getDestinationForPath("/user/b/testfile4.txt").toString());
|
||||
|
||||
assertEquals("1->/share/file5.txt",
|
||||
mountTable.getDestinationForPath("/share/file5.txt").toString());
|
||||
|
||||
assertEquals("2->/bin/file7.txt",
|
||||
mountTable.getDestinationForPath("/usr/bin/file7.txt").toString());
|
||||
|
||||
assertEquals("1->/usr/file8.txt",
|
||||
mountTable.getDestinationForPath("/usr/file8.txt").toString());
|
||||
|
||||
assertEquals("2->/user/test/demo/file9.txt",
|
||||
mountTable.getDestinationForPath("/user/a/demo/file9.txt").toString());
|
||||
|
||||
// Check folders
|
||||
assertEquals("3->/user/testfolder",
|
||||
mountTable.getDestinationForPath("/user/testfolder").toString());
|
||||
|
||||
assertEquals("2->/user/test/b",
|
||||
mountTable.getDestinationForPath("/user/a/b").toString());
|
||||
|
||||
assertEquals("3->/user/test/a",
|
||||
mountTable.getDestinationForPath("/user/test/a").toString());
|
||||
|
||||
}
|
||||
|
||||
private void compareLists(List<String> list1, String[] list2) {
|
||||
assertEquals(list1.size(), list2.length);
|
||||
for (String item : list2) {
|
||||
assertTrue(list1.contains(item));
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetMountPoints() throws IOException {
|
||||
|
||||
// Check getting all mount points (virtual and real) beneath a path
|
||||
List<String> mounts = mountTable.getMountPoints("/");
|
||||
assertEquals(3, mounts.size());
|
||||
compareLists(mounts, new String[] {"tmp", "user", "usr"});
|
||||
|
||||
mounts = mountTable.getMountPoints("/user");
|
||||
assertEquals(2, mounts.size());
|
||||
compareLists(mounts, new String[] {"a", "b"});
|
||||
|
||||
mounts = mountTable.getMountPoints("/user/a");
|
||||
assertEquals(1, mounts.size());
|
||||
compareLists(mounts, new String[] {"demo"});
|
||||
|
||||
mounts = mountTable.getMountPoints("/user/a/demo");
|
||||
assertEquals(1, mounts.size());
|
||||
compareLists(mounts, new String[] {"test"});
|
||||
|
||||
mounts = mountTable.getMountPoints("/user/a/demo/test");
|
||||
assertEquals(2, mounts.size());
|
||||
compareLists(mounts, new String[] {"a", "b"});
|
||||
|
||||
mounts = mountTable.getMountPoints("/tmp");
|
||||
assertEquals(0, mounts.size());
|
||||
|
||||
mounts = mountTable.getMountPoints("/t");
|
||||
assertNull(mounts);
|
||||
|
||||
mounts = mountTable.getMountPoints("/unknownpath");
|
||||
assertNull(mounts);
|
||||
}
|
||||
|
||||
private void compareRecords(List<MountTable> list1, String[] list2) {
|
||||
assertEquals(list1.size(), list2.length);
|
||||
for (String item : list2) {
|
||||
for (MountTable record : list1) {
|
||||
if (record.getSourcePath().equals(item)) {
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
fail();
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testGetMounts() throws IOException {
|
||||
|
||||
// Check listing the mount table records at or beneath a path
|
||||
List<MountTable> records = mountTable.getMounts("/");
|
||||
assertEquals(8, records.size());
|
||||
compareRecords(records, new String[] {"/", "/tmp", "/user", "/usr/bin",
|
||||
"user/a", "/user/a/demo/a", "/user/a/demo/b", "/user/b/file1.txt"});
|
||||
|
||||
records = mountTable.getMounts("/user");
|
||||
assertEquals(5, records.size());
|
||||
compareRecords(records, new String[] {"/user", "/user/a/demo/a",
|
||||
"/user/a/demo/b", "user/a", "/user/b/file1.txt"});
|
||||
|
||||
records = mountTable.getMounts("/user/a");
|
||||
assertEquals(3, records.size());
|
||||
compareRecords(records,
|
||||
new String[] {"/user/a/demo/a", "/user/a/demo/b", "/user/a"});
|
||||
|
||||
records = mountTable.getMounts("/tmp");
|
||||
assertEquals(1, records.size());
|
||||
compareRecords(records, new String[] {"/tmp"});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRemoveSubTree()
|
||||
throws UnsupportedOperationException, IOException {
|
||||
|
||||
// 3 mount points are present /tmp, /user, /usr
|
||||
compareLists(mountTable.getMountPoints("/"),
|
||||
new String[] {"user", "usr", "tmp"});
|
||||
|
||||
// /tmp currently points to namespace 2
|
||||
assertEquals("2", mountTable.getDestinationForPath("/tmp/testfile.txt")
|
||||
.getDefaultLocation().getNameserviceId());
|
||||
|
||||
// Remove tmp
|
||||
mountTable.removeEntry("/tmp");
|
||||
|
||||
// Now 2 mount points are present /user, /usr
|
||||
compareLists(mountTable.getMountPoints("/"),
|
||||
new String[] {"user", "usr"});
|
||||
|
||||
// /tmp no longer exists, uses default namespace for mapping /
|
||||
assertEquals("1", mountTable.getDestinationForPath("/tmp/testfile.txt")
|
||||
.getDefaultLocation().getNameserviceId());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRemoveVirtualNode()
|
||||
throws UnsupportedOperationException, IOException {
|
||||
|
||||
// 3 mount points are present /tmp, /user, /usr
|
||||
compareLists(mountTable.getMountPoints("/"),
|
||||
new String[] {"user", "usr", "tmp"});
|
||||
|
||||
// /usr is virtual, uses namespace 1->/
|
||||
assertEquals("1", mountTable.getDestinationForPath("/usr/testfile.txt")
|
||||
.getDefaultLocation().getNameserviceId());
|
||||
|
||||
// Attempt to remove /usr
|
||||
mountTable.removeEntry("/usr");
|
||||
|
||||
// Verify the remove failed
|
||||
compareLists(mountTable.getMountPoints("/"),
|
||||
new String[] {"user", "usr", "tmp"});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRemoveLeafNode()
|
||||
throws UnsupportedOperationException, IOException {
|
||||
|
||||
// /user/a/demo/test/a currently points to namespace 1
|
||||
assertEquals("1", mountTable.getDestinationForPath("/user/a/demo/test/a")
|
||||
.getDefaultLocation().getNameserviceId());
|
||||
|
||||
// Remove /user/a/demo/test/a
|
||||
mountTable.removeEntry("/user/a/demo/test/a");
|
||||
|
||||
// Now /user/a/demo/test/a points to namespace 2 using the entry for /user/a
|
||||
assertEquals("2", mountTable.getDestinationForPath("/user/a/demo/test/a")
|
||||
.getDefaultLocation().getNameserviceId());
|
||||
|
||||
// Verify the virtual node at /user/a/demo still exists and was not deleted
|
||||
compareLists(mountTable.getMountPoints("/user/a"), new String[] {"demo"});
|
||||
|
||||
// Verify the sibling node was unaffected and still points to ns 3
|
||||
assertEquals("3", mountTable.getDestinationForPath("/user/a/demo/test/b")
|
||||
.getDefaultLocation().getNameserviceId());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRefreshEntries()
|
||||
throws UnsupportedOperationException, IOException {
|
||||
|
||||
// Initial table loaded
|
||||
testDestination();
|
||||
assertEquals(8, mountTable.getMounts("/").size());
|
||||
|
||||
// Replace table with /1 and /2
|
||||
List<MountTable> records = new ArrayList<>();
|
||||
Map<String, String> map1 = getMountTableEntry("1", "/");
|
||||
records.add(MountTable.newInstance("/1", map1));
|
||||
Map<String, String> map2 = getMountTableEntry("2", "/");
|
||||
records.add(MountTable.newInstance("/2", map2));
|
||||
mountTable.refreshEntries(records);
|
||||
|
||||
// Verify addition
|
||||
PathLocation destination1 = mountTable.getDestinationForPath("/1");
|
||||
RemoteLocation defaultLoc1 = destination1.getDefaultLocation();
|
||||
assertEquals("1", defaultLoc1.getNameserviceId());
|
||||
|
||||
PathLocation destination2 = mountTable.getDestinationForPath("/2");
|
||||
RemoteLocation defaultLoc2 = destination2.getDefaultLocation();
|
||||
assertEquals("2", defaultLoc2.getNameserviceId());
|
||||
|
||||
// Verify existing entries were removed
|
||||
assertEquals(2, mountTable.getMounts("/").size());
|
||||
boolean assertionThrown = false;
|
||||
try {
|
||||
testDestination();
|
||||
fail();
|
||||
} catch (AssertionError e) {
|
||||
// The / entry was removed, so it triggers an exception
|
||||
assertionThrown = true;
|
||||
}
|
||||
assertTrue(assertionThrown);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testMountTableScalability() throws IOException {
|
||||
|
||||
List<MountTable> emptyList = new ArrayList<>();
|
||||
mountTable.refreshEntries(emptyList);
|
||||
|
||||
// Add 100,000 entries in flat list
|
||||
for (int i = 0; i < 100000; i++) {
|
||||
Map<String, String> map = getMountTableEntry("1", "/" + i);
|
||||
MountTable record = MountTable.newInstance("/" + i, map);
|
||||
mountTable.addEntry(record);
|
||||
if (i % 10000 == 0) {
|
||||
LOG.info("Adding flat mount record {}: {}", i, record);
|
||||
}
|
||||
}
|
||||
|
||||
assertEquals(100000, mountTable.getMountPoints("/").size());
|
||||
assertEquals(100000, mountTable.getMounts("/").size());
|
||||
|
||||
// Add 1000 entries in deep list
|
||||
mountTable.refreshEntries(emptyList);
|
||||
String parent = "/";
|
||||
for (int i = 0; i < 1000; i++) {
|
||||
final int index = i;
|
||||
Map<String, String> map = getMountTableEntry("1", "/" + index);
|
||||
if (i > 0) {
|
||||
parent = parent + "/";
|
||||
}
|
||||
parent = parent + i;
|
||||
MountTable record = MountTable.newInstance(parent, map);
|
||||
mountTable.addEntry(record);
|
||||
}
|
||||
|
||||
assertEquals(1, mountTable.getMountPoints("/").size());
|
||||
assertEquals(1000, mountTable.getMounts("/").size());
|
||||
|
||||
// Add 100,000 entries in deep and wide tree
|
||||
mountTable.refreshEntries(emptyList);
|
||||
Random rand = new Random();
|
||||
parent = "/" + Integer.toString(rand.nextInt());
|
||||
int numRootTrees = 1;
|
||||
for (int i = 0; i < 100000; i++) {
|
||||
final int index = i;
|
||||
Map<String, String> map = getMountTableEntry("1", "/" + index);
|
||||
parent = parent + "/" + i;
|
||||
if (parent.length() > 2000) {
|
||||
// Start new tree
|
||||
parent = "/" + Integer.toString(rand.nextInt());
|
||||
numRootTrees++;
|
||||
}
|
||||
MountTable record = MountTable.newInstance(parent, map);
|
||||
mountTable.addEntry(record);
|
||||
}
|
||||
|
||||
assertEquals(numRootTrees, mountTable.getMountPoints("/").size());
|
||||
assertEquals(100000, mountTable.getMounts("/").size());
|
||||
}
|
||||
}
|
||||
|
|
@ -25,7 +25,9 @@ import java.io.File;
|
|||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.UUID;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
|
|
@ -40,6 +42,7 @@ import org.apache.hadoop.hdfs.server.federation.store.driver.impl.StateStoreFile
|
|||
import org.apache.hadoop.hdfs.server.federation.store.records.BaseRecord;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MembershipState;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MembershipStats;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
import org.apache.hadoop.util.Time;
|
||||
|
||||
/**
|
||||
|
|
@ -234,6 +237,19 @@ public final class FederationStateStoreTestUtils {
|
|||
return false;
|
||||
}
|
||||
|
||||
public static List<MountTable> createMockMountTable(
|
||||
List<String> nameservices) throws IOException {
|
||||
// create table entries
|
||||
List<MountTable> entries = new ArrayList<>();
|
||||
for (String ns : nameservices) {
|
||||
Map<String, String> destMap = new HashMap<>();
|
||||
destMap.put(ns, "/target-" + ns);
|
||||
MountTable entry = MountTable.newInstance("/" + ns, destMap);
|
||||
entries.add(entry);
|
||||
}
|
||||
return entries;
|
||||
}
|
||||
|
||||
public static MembershipState createMockRegistrationForNamenode(
|
||||
String nameserviceId, String namenodeId,
|
||||
FederationNamenodeServiceState state) throws IOException {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,250 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store;
|
||||
|
||||
import static org.apache.hadoop.hdfs.server.federation.FederationTestUtils.NAMESERVICES;
|
||||
import static org.apache.hadoop.hdfs.server.federation.FederationTestUtils.verifyException;
|
||||
import static org.apache.hadoop.hdfs.server.federation.store.FederationStateStoreTestUtils.clearRecords;
|
||||
import static org.apache.hadoop.hdfs.server.federation.store.FederationStateStoreTestUtils.createMockMountTable;
|
||||
import static org.apache.hadoop.hdfs.server.federation.store.FederationStateStoreTestUtils.synchronizeRecords;
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertNotNull;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.AddMountTableEntryResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.GetMountTableEntriesResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.RemoveMountTableEntryRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.UpdateMountTableEntryRequest;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.protocol.UpdateMountTableEntryResponse;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.QueryResult;
|
||||
import org.junit.Before;
|
||||
import org.junit.BeforeClass;
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* Test the basic {@link StateStoreService}
|
||||
* {@link MountTableStore} functionality.
|
||||
*/
|
||||
public class TestStateStoreMountTable extends TestStateStoreBase {
|
||||
|
||||
private static List<String> nameservices;
|
||||
private static MountTableStore mountStore;
|
||||
|
||||
@BeforeClass
|
||||
public static void create() throws IOException {
|
||||
nameservices = new ArrayList<>();
|
||||
nameservices.add(NAMESERVICES[0]);
|
||||
nameservices.add(NAMESERVICES[1]);
|
||||
}
|
||||
|
||||
@Before
|
||||
public void setup() throws IOException, InterruptedException {
|
||||
mountStore =
|
||||
getStateStore().getRegisteredRecordStore(MountTableStore.class);
|
||||
// Clear Mount table registrations
|
||||
assertTrue(clearRecords(getStateStore(), MountTable.class));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testStateStoreDisconnected() throws Exception {
|
||||
|
||||
// Close the data store driver
|
||||
getStateStore().closeDriver();
|
||||
assertFalse(getStateStore().isDriverReady());
|
||||
|
||||
// Test APIs that access the store to check they throw the correct exception
|
||||
AddMountTableEntryRequest addRequest =
|
||||
AddMountTableEntryRequest.newInstance();
|
||||
verifyException(mountStore, "addMountTableEntry",
|
||||
StateStoreUnavailableException.class,
|
||||
new Class[] {AddMountTableEntryRequest.class},
|
||||
new Object[] {addRequest});
|
||||
|
||||
UpdateMountTableEntryRequest updateRequest =
|
||||
UpdateMountTableEntryRequest.newInstance();
|
||||
verifyException(mountStore, "updateMountTableEntry",
|
||||
StateStoreUnavailableException.class,
|
||||
new Class[] {UpdateMountTableEntryRequest.class},
|
||||
new Object[] {updateRequest});
|
||||
|
||||
RemoveMountTableEntryRequest removeRequest =
|
||||
RemoveMountTableEntryRequest.newInstance();
|
||||
verifyException(mountStore, "removeMountTableEntry",
|
||||
StateStoreUnavailableException.class,
|
||||
new Class[] {RemoveMountTableEntryRequest.class},
|
||||
new Object[] {removeRequest});
|
||||
|
||||
GetMountTableEntriesRequest getRequest =
|
||||
GetMountTableEntriesRequest.newInstance();
|
||||
mountStore.loadCache(true);
|
||||
verifyException(mountStore, "getMountTableEntries",
|
||||
StateStoreUnavailableException.class,
|
||||
new Class[] {GetMountTableEntriesRequest.class},
|
||||
new Object[] {getRequest});
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSynchronizeMountTable() throws IOException {
|
||||
// Synchronize and get mount table entries
|
||||
List<MountTable> entries = createMockMountTable(nameservices);
|
||||
assertTrue(synchronizeRecords(getStateStore(), entries, MountTable.class));
|
||||
for (MountTable e : entries) {
|
||||
mountStore.loadCache(true);
|
||||
MountTable entry = getMountTableEntry(e.getSourcePath());
|
||||
assertNotNull(entry);
|
||||
assertEquals(e.getDefaultLocation().getDest(),
|
||||
entry.getDefaultLocation().getDest());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testAddMountTableEntry() throws IOException {
|
||||
|
||||
// Add 1
|
||||
List<MountTable> entries = createMockMountTable(nameservices);
|
||||
List<MountTable> entries1 = getMountTableEntries("/").getRecords();
|
||||
assertEquals(0, entries1.size());
|
||||
MountTable entry0 = entries.get(0);
|
||||
AddMountTableEntryRequest request =
|
||||
AddMountTableEntryRequest.newInstance(entry0);
|
||||
AddMountTableEntryResponse response =
|
||||
mountStore.addMountTableEntry(request);
|
||||
assertTrue(response.getStatus());
|
||||
|
||||
mountStore.loadCache(true);
|
||||
List<MountTable> entries2 = getMountTableEntries("/").getRecords();
|
||||
assertEquals(1, entries2.size());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testRemoveMountTableEntry() throws IOException {
|
||||
|
||||
// Add many
|
||||
List<MountTable> entries = createMockMountTable(nameservices);
|
||||
synchronizeRecords(getStateStore(), entries, MountTable.class);
|
||||
mountStore.loadCache(true);
|
||||
List<MountTable> entries1 = getMountTableEntries("/").getRecords();
|
||||
assertEquals(entries.size(), entries1.size());
|
||||
|
||||
// Remove 1
|
||||
RemoveMountTableEntryRequest request =
|
||||
RemoveMountTableEntryRequest.newInstance();
|
||||
request.setSrcPath(entries.get(0).getSourcePath());
|
||||
assertTrue(mountStore.removeMountTableEntry(request).getStatus());
|
||||
|
||||
// Verify remove
|
||||
mountStore.loadCache(true);
|
||||
List<MountTable> entries2 = getMountTableEntries("/").getRecords();
|
||||
assertEquals(entries.size() - 1, entries2.size());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testUpdateMountTableEntry() throws IOException {
|
||||
|
||||
// Add 1
|
||||
List<MountTable> entries = createMockMountTable(nameservices);
|
||||
MountTable entry0 = entries.get(0);
|
||||
String srcPath = entry0.getSourcePath();
|
||||
String nsId = entry0.getDefaultLocation().getNameserviceId();
|
||||
AddMountTableEntryRequest request =
|
||||
AddMountTableEntryRequest.newInstance(entry0);
|
||||
AddMountTableEntryResponse response =
|
||||
mountStore.addMountTableEntry(request);
|
||||
assertTrue(response.getStatus());
|
||||
|
||||
// Verify
|
||||
mountStore.loadCache(true);
|
||||
MountTable matchingEntry0 = getMountTableEntry(srcPath);
|
||||
assertNotNull(matchingEntry0);
|
||||
assertEquals(nsId, matchingEntry0.getDefaultLocation().getNameserviceId());
|
||||
|
||||
// Edit destination nameservice for source path
|
||||
Map<String, String> destMap =
|
||||
Collections.singletonMap("testnameservice", "/");
|
||||
MountTable replacement =
|
||||
MountTable.newInstance(srcPath, destMap);
|
||||
UpdateMountTableEntryRequest updateRequest =
|
||||
UpdateMountTableEntryRequest.newInstance(replacement);
|
||||
UpdateMountTableEntryResponse updateResponse =
|
||||
mountStore.updateMountTableEntry(updateRequest);
|
||||
assertTrue(updateResponse.getStatus());
|
||||
|
||||
// Verify
|
||||
mountStore.loadCache(true);
|
||||
MountTable matchingEntry1 = getMountTableEntry(srcPath);
|
||||
assertNotNull(matchingEntry1);
|
||||
assertEquals("testnameservice",
|
||||
matchingEntry1.getDefaultLocation().getNameserviceId());
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets an existing mount table record in the state store.
|
||||
*
|
||||
* @param mount The mount point of the record to remove.
|
||||
* @return The matching record if found, null if it is not found.
|
||||
* @throws IOException If the state store could not be accessed.
|
||||
*/
|
||||
private MountTable getMountTableEntry(String mount) throws IOException {
|
||||
GetMountTableEntriesRequest request =
|
||||
GetMountTableEntriesRequest.newInstance(mount);
|
||||
GetMountTableEntriesResponse response =
|
||||
mountStore.getMountTableEntries(request);
|
||||
List<MountTable> results = response.getEntries();
|
||||
if (results.size() > 0) {
|
||||
// First result is sorted to have the shortest mount string length
|
||||
return results.get(0);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetch all mount table records beneath a root path.
|
||||
*
|
||||
* @param store FederationMountTableStore instance to commit the data.
|
||||
* @param mount The root search path, enter "/" to return all mount table
|
||||
* records.
|
||||
*
|
||||
* @return A list of all mount table records found below the root mount.
|
||||
*
|
||||
* @throws IOException If the state store could not be accessed.
|
||||
*/
|
||||
private QueryResult<MountTable> getMountTableEntries(String mount)
|
||||
throws IOException {
|
||||
if (mount == null) {
|
||||
throw new IOException("Please specify a root search path");
|
||||
}
|
||||
GetMountTableEntriesRequest request =
|
||||
GetMountTableEntriesRequest.newInstance();
|
||||
request.setSrcPath(mount);
|
||||
GetMountTableEntriesResponse response =
|
||||
mountStore.getMountTableEntries(request);
|
||||
List<MountTable> records = response.getEntries();
|
||||
long timestamp = response.getTimestamp();
|
||||
return new QueryResult<MountTable>(records, timestamp);
|
||||
}
|
||||
}
|
||||
|
|
@ -27,6 +27,7 @@ import java.io.IOException;
|
|||
import java.lang.reflect.Method;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
import java.util.Collections;
|
||||
import java.util.HashMap;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
|
@ -39,6 +40,7 @@ import org.apache.hadoop.hdfs.server.federation.store.FederationStateStoreTestUt
|
|||
import org.apache.hadoop.hdfs.server.federation.store.StateStoreService;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.BaseRecord;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MembershipState;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.MountTable;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.Query;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.records.QueryResult;
|
||||
import org.junit.AfterClass;
|
||||
|
|
@ -109,6 +111,11 @@ public class TestStateStoreDriverBase {
|
|||
generateRandomString(), generateRandomString(),
|
||||
generateRandomString(), generateRandomString(),
|
||||
generateRandomEnum(FederationNamenodeServiceState.class), false);
|
||||
} else if (recordClass == MountTable.class) {
|
||||
String src = "/" + generateRandomString();
|
||||
Map<String, String> destMap = Collections.singletonMap(
|
||||
generateRandomString(), "/" + generateRandomString());
|
||||
return (T) MountTable.newInstance(src, destMap);
|
||||
}
|
||||
|
||||
return null;
|
||||
|
|
@ -155,6 +162,7 @@ public class TestStateStoreDriverBase {
|
|||
|
||||
public static void removeAll(StateStoreDriver driver) throws IOException {
|
||||
driver.removeAll(MembershipState.class);
|
||||
driver.removeAll(MountTable.class);
|
||||
}
|
||||
|
||||
public <T extends BaseRecord> void testInsert(
|
||||
|
|
@ -347,22 +355,26 @@ public class TestStateStoreDriverBase {
|
|||
public void testInsert(StateStoreDriver driver)
|
||||
throws IllegalArgumentException, IllegalAccessException, IOException {
|
||||
testInsert(driver, MembershipState.class);
|
||||
testInsert(driver, MountTable.class);
|
||||
}
|
||||
|
||||
public void testPut(StateStoreDriver driver)
|
||||
throws IllegalArgumentException, ReflectiveOperationException,
|
||||
IOException, SecurityException {
|
||||
testPut(driver, MembershipState.class);
|
||||
testPut(driver, MountTable.class);
|
||||
}
|
||||
|
||||
public void testRemove(StateStoreDriver driver)
|
||||
throws IllegalArgumentException, IllegalAccessException, IOException {
|
||||
testRemove(driver, MembershipState.class);
|
||||
testRemove(driver, MountTable.class);
|
||||
}
|
||||
|
||||
public void testFetchErrors(StateStoreDriver driver)
|
||||
throws IllegalArgumentException, IllegalAccessException, IOException {
|
||||
testFetchErrors(driver, MembershipState.class);
|
||||
testFetchErrors(driver, MountTable.class);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
|
|
@ -0,0 +1,176 @@
|
|||
/**
|
||||
* 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.hdfs.server.federation.store.records;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertFalse;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
import java.util.LinkedHashMap;
|
||||
import java.util.LinkedList;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.RemoteLocation;
|
||||
import org.apache.hadoop.hdfs.server.federation.resolver.order.DestinationOrder;
|
||||
import org.apache.hadoop.hdfs.server.federation.store.driver.StateStoreSerializer;
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* Test the Mount Table entry in the State Store.
|
||||
*/
|
||||
public class TestMountTable {
|
||||
|
||||
private static final String SRC = "/test";
|
||||
private static final String DST_NS_0 = "ns0";
|
||||
private static final String DST_NS_1 = "ns1";
|
||||
private static final String DST_PATH_0 = "/path1";
|
||||
private static final String DST_PATH_1 = "/path/path2";
|
||||
private static final List<RemoteLocation> DST = new LinkedList<>();
|
||||
static {
|
||||
DST.add(new RemoteLocation(DST_NS_0, DST_PATH_0));
|
||||
DST.add(new RemoteLocation(DST_NS_1, DST_PATH_1));
|
||||
}
|
||||
private static final Map<String, String> DST_MAP = new LinkedHashMap<>();
|
||||
static {
|
||||
DST_MAP.put(DST_NS_0, DST_PATH_0);
|
||||
DST_MAP.put(DST_NS_1, DST_PATH_1);
|
||||
}
|
||||
|
||||
private static final long DATE_CREATED = 100;
|
||||
private static final long DATE_MOD = 200;
|
||||
|
||||
|
||||
@Test
|
||||
public void testGetterSetter() throws IOException {
|
||||
|
||||
MountTable record = MountTable.newInstance(SRC, DST_MAP);
|
||||
|
||||
validateDestinations(record);
|
||||
assertEquals(SRC, record.getSourcePath());
|
||||
assertEquals(DST, record.getDestinations());
|
||||
assertTrue(DATE_CREATED > 0);
|
||||
assertTrue(DATE_MOD > 0);
|
||||
|
||||
MountTable record2 =
|
||||
MountTable.newInstance(SRC, DST_MAP, DATE_CREATED, DATE_MOD);
|
||||
|
||||
validateDestinations(record2);
|
||||
assertEquals(SRC, record2.getSourcePath());
|
||||
assertEquals(DST, record2.getDestinations());
|
||||
assertEquals(DATE_CREATED, record2.getDateCreated());
|
||||
assertEquals(DATE_MOD, record2.getDateModified());
|
||||
assertFalse(record.isReadOnly());
|
||||
assertEquals(DestinationOrder.HASH, record.getDestOrder());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSerialization() throws IOException {
|
||||
testSerialization(DestinationOrder.RANDOM);
|
||||
testSerialization(DestinationOrder.HASH);
|
||||
testSerialization(DestinationOrder.LOCAL);
|
||||
}
|
||||
|
||||
private void testSerialization(final DestinationOrder order)
|
||||
throws IOException {
|
||||
|
||||
MountTable record = MountTable.newInstance(
|
||||
SRC, DST_MAP, DATE_CREATED, DATE_MOD);
|
||||
record.setReadOnly(true);
|
||||
record.setDestOrder(order);
|
||||
|
||||
StateStoreSerializer serializer = StateStoreSerializer.getSerializer();
|
||||
String serializedString = serializer.serializeString(record);
|
||||
MountTable record2 =
|
||||
serializer.deserialize(serializedString, MountTable.class);
|
||||
|
||||
validateDestinations(record2);
|
||||
assertEquals(SRC, record2.getSourcePath());
|
||||
assertEquals(DST, record2.getDestinations());
|
||||
assertEquals(DATE_CREATED, record2.getDateCreated());
|
||||
assertEquals(DATE_MOD, record2.getDateModified());
|
||||
assertTrue(record2.isReadOnly());
|
||||
assertEquals(order, record2.getDestOrder());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testReadOnly() throws IOException {
|
||||
|
||||
Map<String, String> dest = new HashMap<>();
|
||||
dest.put(DST_NS_0, DST_PATH_0);
|
||||
dest.put(DST_NS_1, DST_PATH_1);
|
||||
MountTable record1 = MountTable.newInstance(SRC, dest);
|
||||
record1.setReadOnly(true);
|
||||
|
||||
validateDestinations(record1);
|
||||
assertEquals(SRC, record1.getSourcePath());
|
||||
assertEquals(DST, record1.getDestinations());
|
||||
assertTrue(DATE_CREATED > 0);
|
||||
assertTrue(DATE_MOD > 0);
|
||||
assertTrue(record1.isReadOnly());
|
||||
|
||||
MountTable record2 = MountTable.newInstance(
|
||||
SRC, DST_MAP, DATE_CREATED, DATE_MOD);
|
||||
record2.setReadOnly(true);
|
||||
|
||||
validateDestinations(record2);
|
||||
assertEquals(SRC, record2.getSourcePath());
|
||||
assertEquals(DST, record2.getDestinations());
|
||||
assertEquals(DATE_CREATED, record2.getDateCreated());
|
||||
assertEquals(DATE_MOD, record2.getDateModified());
|
||||
assertTrue(record2.isReadOnly());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testOrder() throws IOException {
|
||||
testOrder(DestinationOrder.HASH);
|
||||
testOrder(DestinationOrder.LOCAL);
|
||||
testOrder(DestinationOrder.RANDOM);
|
||||
}
|
||||
|
||||
private void testOrder(final DestinationOrder order)
|
||||
throws IOException {
|
||||
|
||||
MountTable record = MountTable.newInstance(
|
||||
SRC, DST_MAP, DATE_CREATED, DATE_MOD);
|
||||
record.setDestOrder(order);
|
||||
|
||||
validateDestinations(record);
|
||||
assertEquals(SRC, record.getSourcePath());
|
||||
assertEquals(DST, record.getDestinations());
|
||||
assertEquals(DATE_CREATED, record.getDateCreated());
|
||||
assertEquals(DATE_MOD, record.getDateModified());
|
||||
assertEquals(order, record.getDestOrder());
|
||||
}
|
||||
|
||||
private void validateDestinations(MountTable record) {
|
||||
|
||||
assertEquals(SRC, record.getSourcePath());
|
||||
assertEquals(2, record.getDestinations().size());
|
||||
|
||||
RemoteLocation location1 = record.getDestinations().get(0);
|
||||
assertEquals(DST_NS_0, location1.getNameserviceId());
|
||||
assertEquals(DST_PATH_0, location1.getDest());
|
||||
|
||||
RemoteLocation location2 = record.getDestinations().get(1);
|
||||
assertEquals(DST_NS_1, location2.getNameserviceId());
|
||||
assertEquals(DST_PATH_1, location2.getDest());
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue