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/*
 * 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.hbase.master;

import static org.apache.hadoop.hbase.master.MasterWalManager.META_FILTER;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.BindException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.stream.Collectors;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hbase.ClusterMetricsBuilder;
import org.apache.hadoop.hbase.DoNotRetryIOException;
import org.apache.hadoop.hbase.HConstants;
import org.apache.hadoop.hbase.MetaTableAccessor;
import org.apache.hadoop.hbase.NamespaceDescriptor;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.ServerMetrics;
import org.apache.hadoop.hbase.ServerMetricsBuilder;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.UnknownRegionException;
import org.apache.hadoop.hbase.client.MasterSwitchType;
import org.apache.hadoop.hbase.client.NormalizeTableFilterParams;
import org.apache.hadoop.hbase.client.Put;
import org.apache.hadoop.hbase.client.RegionInfo;
import org.apache.hadoop.hbase.client.Table;
import org.apache.hadoop.hbase.client.TableDescriptor;
import org.apache.hadoop.hbase.client.TableState;
import org.apache.hadoop.hbase.client.VersionInfoUtil;
import org.apache.hadoop.hbase.client.replication.ReplicationPeerConfigUtil;
import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;
import org.apache.hadoop.hbase.errorhandling.ForeignException;
import org.apache.hadoop.hbase.exceptions.UnknownProtocolException;
import org.apache.hadoop.hbase.io.ByteBuffAllocator;
import org.apache.hadoop.hbase.io.hfile.HFile;
import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;
import org.apache.hadoop.hbase.ipc.PriorityFunction;
import org.apache.hadoop.hbase.ipc.QosPriority;
import org.apache.hadoop.hbase.ipc.RpcServer;
import org.apache.hadoop.hbase.ipc.RpcServer.BlockingServiceAndInterface;
import org.apache.hadoop.hbase.ipc.RpcServerFactory;
import org.apache.hadoop.hbase.ipc.RpcServerInterface;
import org.apache.hadoop.hbase.ipc.ServerNotRunningYetException;
import org.apache.hadoop.hbase.ipc.ServerRpcController;
import org.apache.hadoop.hbase.master.assignment.RegionStateNode;
import org.apache.hadoop.hbase.master.assignment.RegionStates;
import org.apache.hadoop.hbase.master.cleaner.HFileCleaner;
import org.apache.hadoop.hbase.master.hbck.HbckChore;
import org.apache.hadoop.hbase.master.janitor.MetaFixer;
import org.apache.hadoop.hbase.master.locking.LockProcedure;
import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;
import org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil;
import org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil.NonceProcedureRunnable;
import org.apache.hadoop.hbase.master.procedure.ServerCrashProcedure;
import org.apache.hadoop.hbase.mob.MobUtils;
import org.apache.hadoop.hbase.namequeues.BalancerDecisionDetails;
import org.apache.hadoop.hbase.namequeues.BalancerRejectionDetails;
import org.apache.hadoop.hbase.namequeues.NamedQueueRecorder;
import org.apache.hadoop.hbase.namequeues.request.NamedQueueGetRequest;
import org.apache.hadoop.hbase.namequeues.response.NamedQueueGetResponse;
import org.apache.hadoop.hbase.procedure.MasterProcedureManager;
import org.apache.hadoop.hbase.procedure2.LockType;
import org.apache.hadoop.hbase.procedure2.LockedResource;
import org.apache.hadoop.hbase.procedure2.Procedure;
import org.apache.hadoop.hbase.procedure2.ProcedureExecutor;
import org.apache.hadoop.hbase.procedure2.ProcedureUtil;
import org.apache.hadoop.hbase.procedure2.RemoteProcedureException;
import org.apache.hadoop.hbase.protobuf.generated.AccessControlProtos.AccessControlService;
import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.VisibilityLabelsService;
import org.apache.hadoop.hbase.quotas.MasterQuotaManager;
import org.apache.hadoop.hbase.quotas.QuotaObserverChore;
import org.apache.hadoop.hbase.quotas.QuotaUtil;
import org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot;
import org.apache.hadoop.hbase.regionserver.RSRpcServices;
import org.apache.hadoop.hbase.regionserver.RpcSchedulerFactory;
import org.apache.hadoop.hbase.replication.ReplicationException;
import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;
import org.apache.hadoop.hbase.replication.ReplicationPeerDescription;
import org.apache.hadoop.hbase.security.Superusers;
import org.apache.hadoop.hbase.security.User;
import org.apache.hadoop.hbase.security.access.AccessChecker;
import org.apache.hadoop.hbase.security.access.AccessChecker.InputUser;
import org.apache.hadoop.hbase.security.access.AccessController;
import org.apache.hadoop.hbase.security.access.Permission;
import org.apache.hadoop.hbase.security.access.Permission.Action;
import org.apache.hadoop.hbase.security.access.PermissionStorage;
import org.apache.hadoop.hbase.security.access.ShadedAccessControlUtil;
import org.apache.hadoop.hbase.security.access.UserPermission;
import org.apache.hadoop.hbase.security.visibility.VisibilityController;
import org.apache.hadoop.hbase.snapshot.ClientSnapshotDescriptionUtils;
import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;
import org.apache.hadoop.hbase.util.Bytes;
import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hbase.util.ForeignExceptionUtil;
import org.apache.hadoop.hbase.util.Pair;
import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.zookeeper.KeeperException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.apache.hbase.thirdparty.com.google.protobuf.ByteString;
import org.apache.hbase.thirdparty.com.google.protobuf.Message;
import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;
import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;
import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;

import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
import org.apache.hadoop.hbase.shaded.protobuf.ResponseConverter;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos.GetUserPermissionsRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos.GetUserPermissionsResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos.GrantRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos.GrantResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos.HasUserPermissionsRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos.HasUserPermissionsResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos.Permission.Type;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos.RevokeRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AccessControlProtos.RevokeResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CompactRegionRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.CompactRegionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetRegionInfoRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.GetRegionInfoResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ClusterStatusProtos.RegionStoreSequenceIds;
import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos;
import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.NameStringPair;
import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.ProcedureDescription;
import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier;
import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.RegionSpecifier.RegionSpecifierType;
import org.apache.hadoop.hbase.shaded.protobuf.generated.HBaseProtos.VersionInfo;
import org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockHeartbeatRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockHeartbeatResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockService;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.AbortProcedureRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.AbortProcedureResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.AddColumnRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.AddColumnResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.AssignRegionRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.AssignRegionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.BalanceRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.BalanceResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ClearDeadServersRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ClearDeadServersResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.CreateNamespaceRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.CreateNamespaceResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.CreateTableRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.CreateTableResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DecommissionRegionServersRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DecommissionRegionServersResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DeleteColumnRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DeleteColumnResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DeleteNamespaceRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DeleteNamespaceResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DeleteSnapshotRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DeleteSnapshotResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DeleteTableRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DeleteTableResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DisableTableRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.DisableTableResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.EnableCatalogJanitorRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.EnableCatalogJanitorResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.EnableTableRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.EnableTableResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ExecProcedureRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ExecProcedureResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.FixMetaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.FixMetaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.FlushMasterStoreRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.FlushMasterStoreResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetClusterStatusRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetClusterStatusResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetCompletedSnapshotsRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetCompletedSnapshotsResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetLocksRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetLocksResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetNamespaceDescriptorRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetNamespaceDescriptorResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetProcedureResultRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetProcedureResultResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetProceduresRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetProceduresResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetSchemaAlterStatusRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetSchemaAlterStatusResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetTableDescriptorsRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetTableDescriptorsResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetTableNamesRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetTableNamesResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetTableStateRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.GetTableStateResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.HbckService;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsBalancerEnabledRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsBalancerEnabledResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsCatalogJanitorEnabledRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsCatalogJanitorEnabledResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsCleanerChoreEnabledRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsCleanerChoreEnabledResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsInMaintenanceModeRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsInMaintenanceModeResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsMasterRunningRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsMasterRunningResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsNormalizerEnabledRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsNormalizerEnabledResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsProcedureDoneRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsProcedureDoneResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsSnapshotCleanupEnabledRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsSnapshotCleanupEnabledResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsSnapshotDoneRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsSnapshotDoneResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsSplitOrMergeEnabledRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.IsSplitOrMergeEnabledResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListDecommissionedRegionServersRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListDecommissionedRegionServersResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListNamespaceDescriptorsRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListNamespaceDescriptorsResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListNamespacesRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListNamespacesResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListTableDescriptorsByNamespaceRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListTableDescriptorsByNamespaceResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListTableNamesByNamespaceRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ListTableNamesByNamespaceResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MajorCompactionTimestampForRegionRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MajorCompactionTimestampRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MajorCompactionTimestampResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MasterService;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MergeTableRegionsRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MergeTableRegionsResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyColumnRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyColumnResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyColumnStoreFileTrackerRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyColumnStoreFileTrackerResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyNamespaceRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyNamespaceResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyTableRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyTableResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyTableStoreFileTrackerRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ModifyTableStoreFileTrackerResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MoveRegionRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MoveRegionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.NormalizeRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.NormalizeResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.OfflineRegionRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.OfflineRegionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RecommissionRegionServerRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RecommissionRegionServerResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RegionSpecifierAndState;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RestoreSnapshotRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RestoreSnapshotResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RunCatalogScanRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RunCatalogScanResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RunCleanerChoreRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RunCleanerChoreResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RunHbckChoreRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.RunHbckChoreResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SecurityCapabilitiesRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SecurityCapabilitiesResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetBalancerRunningRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetBalancerRunningResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetCleanerChoreRunningRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetCleanerChoreRunningResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetNormalizerRunningRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetNormalizerRunningResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetQuotaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetQuotaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetRegionStateInMetaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetRegionStateInMetaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetSnapshotCleanupRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetSnapshotCleanupResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetSplitOrMergeEnabledRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetSplitOrMergeEnabledResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SetTableStateInMetaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ShutdownRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.ShutdownResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SnapshotRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SnapshotResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SplitTableRegionRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SplitTableRegionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.StopMasterRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.StopMasterResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchExceedThrottleQuotaResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.SwitchRpcThrottleResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.TruncateTableRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.TruncateTableResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.UnassignRegionRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.UnassignRegionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetQuotaStatesRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetQuotaStatesResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetQuotaStatesResponse.NamespaceQuotaSnapshot;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetQuotaStatesResponse.TableQuotaSnapshot;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaRegionSizesRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaRegionSizesResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.GetSpaceQuotaRegionSizesResponse.RegionSizes;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RecentLogs;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.FileArchiveNotificationRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.FileArchiveNotificationResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.GetLastFlushedSequenceIdRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.GetLastFlushedSequenceIdResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionServerReportRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionServerReportResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionServerStartupRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionServerStartupResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionServerStatusService;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionSpaceUse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionSpaceUseReportRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RegionSpaceUseReportResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.RemoteProcedureResult;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportProcedureDoneRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportProcedureDoneResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRSFatalErrorRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRSFatalErrorResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegionServerStatusProtos.ReportRegionStateTransitionResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.RegistryProtos.ClientMetaService;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.AddReplicationPeerRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.AddReplicationPeerResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.DisableReplicationPeerRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.DisableReplicationPeerResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.EnableReplicationPeerRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.EnableReplicationPeerResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.GetReplicationPeerConfigRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.GetReplicationPeerConfigResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.ListReplicationPeersRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.ListReplicationPeersResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.RemoveReplicationPeerRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.RemoveReplicationPeerResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.ReplicationState;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.UpdateReplicationPeerConfigRequest;
import org.apache.hadoop.hbase.shaded.protobuf.generated.ReplicationProtos.UpdateReplicationPeerConfigResponse;
import org.apache.hadoop.hbase.shaded.protobuf.generated.SnapshotProtos.SnapshotDescription;

/**
 * Implements the master RPC services.
 */
@InterfaceAudience.Private
@SuppressWarnings("deprecation")
public class MasterRpcServices extends RSRpcServices
  implements MasterService.BlockingInterface, RegionServerStatusService.BlockingInterface,
  LockService.BlockingInterface, HbckService.BlockingInterface {

  private static final Logger LOG = LoggerFactory.getLogger(MasterRpcServices.class.getName());
  private static final Logger AUDITLOG =
    LoggerFactory.getLogger("SecurityLogger." + MasterRpcServices.class.getName());

  private final HMaster master;

  /**
   * @return Subset of configuration to pass initializing regionservers: e.g. the filesystem to use
   *         and root directory to use.
   */
  private RegionServerStartupResponse.Builder createConfigurationSubset() {
    RegionServerStartupResponse.Builder resp =
      addConfig(RegionServerStartupResponse.newBuilder(), HConstants.HBASE_DIR);
    resp = addConfig(resp, "fs.defaultFS");
    return addConfig(resp, "hbase.master.info.port");
  }

  private RegionServerStartupResponse.Builder
    addConfig(final RegionServerStartupResponse.Builder resp, final String key) {
    NameStringPair.Builder entry =
      NameStringPair.newBuilder().setName(key).setValue(master.getConfiguration().get(key));
    resp.addMapEntries(entry.build());
    return resp;
  }

  public MasterRpcServices(HMaster m) throws IOException {
    super(m);
    master = m;
  }

  @Override
  protected Class getRpcSchedulerFactoryClass() {
    Configuration conf = getConfiguration();
    if (conf != null) {
      return conf.getClass(MASTER_RPC_SCHEDULER_FACTORY_CLASS, super.getRpcSchedulerFactoryClass());
    } else {
      return super.getRpcSchedulerFactoryClass();
    }
  }

  @Override
  protected RpcServerInterface createRpcServer(final Server server,
    final RpcSchedulerFactory rpcSchedulerFactory, final InetSocketAddress bindAddress,
    final String name) throws IOException {
    final Configuration conf = regionServer.getConfiguration();
    // RpcServer at HM by default enable ByteBufferPool iff HM having user table region in it
    boolean reservoirEnabled = conf.getBoolean(ByteBuffAllocator.ALLOCATOR_POOL_ENABLED_KEY,
      LoadBalancer.isMasterCanHostUserRegions(conf));
    try {
      return RpcServerFactory.createRpcServer(server, name, getServices(), bindAddress, // use final
                                                                                        // bindAddress
                                                                                        // for this
                                                                                        // server.
        conf, rpcSchedulerFactory.create(conf, this, server), reservoirEnabled);
    } catch (BindException be) {
      throw new IOException(be.getMessage() + ". To switch ports use the '" + HConstants.MASTER_PORT
        + "' configuration property.", be.getCause() != null ? be.getCause() : be);
    }
  }

  @Override
  protected PriorityFunction createPriority() {
    return new MasterAnnotationReadingPriorityFunction(this);
  }

  /**
   * Checks for the following pre-checks in order:
   * 
    *
  1. Master is initialized
  2. *
  3. Rpc caller has admin permissions
  4. *
* @param requestName name of rpc request. Used in reporting failures to provide context. * @throws ServiceException If any of the above listed pre-check fails. */ private void rpcPreCheck(String requestName) throws ServiceException { try { master.checkInitialized(); requirePermission(requestName, Permission.Action.ADMIN); } catch (IOException ioe) { throw new ServiceException(ioe); } } enum BalanceSwitchMode { SYNC, ASYNC } /** * Assigns balancer switch according to BalanceSwitchMode * @param b new balancer switch * @param mode BalanceSwitchMode * @return old balancer switch */ boolean switchBalancer(final boolean b, BalanceSwitchMode mode) throws IOException { boolean oldValue = master.loadBalancerTracker.isBalancerOn(); boolean newValue = b; try { if (master.cpHost != null) { master.cpHost.preBalanceSwitch(newValue); } try { if (mode == BalanceSwitchMode.SYNC) { synchronized (master.getLoadBalancer()) { master.loadBalancerTracker.setBalancerOn(newValue); } } else { master.loadBalancerTracker.setBalancerOn(newValue); } } catch (KeeperException ke) { throw new IOException(ke); } LOG.info(master.getClientIdAuditPrefix() + " set balanceSwitch=" + newValue); if (master.cpHost != null) { master.cpHost.postBalanceSwitch(oldValue, newValue); } master.getLoadBalancer().updateBalancerStatus(newValue); } catch (IOException ioe) { LOG.warn("Error flipping balance switch", ioe); } return oldValue; } boolean synchronousBalanceSwitch(final boolean b) throws IOException { return switchBalancer(b, BalanceSwitchMode.SYNC); } /** Returns list of blocking services and their security info classes that this server supports */ @Override protected List getServices() { List bssi = new ArrayList<>(5); bssi.add(new BlockingServiceAndInterface(MasterService.newReflectiveBlockingService(this), MasterService.BlockingInterface.class)); bssi.add( new BlockingServiceAndInterface(RegionServerStatusService.newReflectiveBlockingService(this), RegionServerStatusService.BlockingInterface.class)); bssi.add(new BlockingServiceAndInterface(LockService.newReflectiveBlockingService(this), LockService.BlockingInterface.class)); bssi.add(new BlockingServiceAndInterface(HbckService.newReflectiveBlockingService(this), HbckService.BlockingInterface.class)); bssi.add(new BlockingServiceAndInterface(ClientMetaService.newReflectiveBlockingService(this), ClientMetaService.BlockingInterface.class)); bssi.addAll(super.getServices()); return bssi; } @Override @QosPriority(priority = HConstants.ADMIN_QOS) public GetLastFlushedSequenceIdResponse getLastFlushedSequenceId(RpcController controller, GetLastFlushedSequenceIdRequest request) throws ServiceException { try { master.checkServiceStarted(); } catch (IOException ioe) { throw new ServiceException(ioe); } byte[] encodedRegionName = request.getRegionName().toByteArray(); RegionStoreSequenceIds ids = master.getServerManager().getLastFlushedSequenceId(encodedRegionName); return ResponseConverter.buildGetLastFlushedSequenceIdResponse(ids); } @Override public RegionServerReportResponse regionServerReport(RpcController controller, RegionServerReportRequest request) throws ServiceException { try { master.checkServiceStarted(); int versionNumber = 0; String version = "0.0.0"; VersionInfo versionInfo = VersionInfoUtil.getCurrentClientVersionInfo(); if (versionInfo != null) { version = versionInfo.getVersion(); versionNumber = VersionInfoUtil.getVersionNumber(versionInfo); } ClusterStatusProtos.ServerLoad sl = request.getLoad(); ServerName serverName = ProtobufUtil.toServerName(request.getServer()); ServerMetrics oldLoad = master.getServerManager().getLoad(serverName); ServerMetrics newLoad = ServerMetricsBuilder.toServerMetrics(serverName, versionNumber, version, sl); master.getServerManager().regionServerReport(serverName, newLoad); master.getAssignmentManager().reportOnlineRegions(serverName, newLoad.getRegionMetrics().keySet()); if (sl != null && master.metricsMaster != null) { // Up our metrics. master.metricsMaster.incrementRequests( sl.getTotalNumberOfRequests() - (oldLoad != null ? oldLoad.getRequestCount() : 0)); } } catch (IOException ioe) { throw new ServiceException(ioe); } return RegionServerReportResponse.newBuilder().build(); } @Override public RegionServerStartupResponse regionServerStartup(RpcController controller, RegionServerStartupRequest request) throws ServiceException { // Register with server manager try { master.checkServiceStarted(); int versionNumber = 0; String version = "0.0.0"; VersionInfo versionInfo = VersionInfoUtil.getCurrentClientVersionInfo(); if (versionInfo != null) { version = versionInfo.getVersion(); versionNumber = VersionInfoUtil.getVersionNumber(versionInfo); } InetAddress ia = master.getRemoteInetAddress(request.getPort(), request.getServerStartCode()); // if regionserver passed hostname to use, // then use it instead of doing a reverse DNS lookup ServerName rs = master.getServerManager().regionServerStartup(request, versionNumber, version, ia); // Send back some config info RegionServerStartupResponse.Builder resp = createConfigurationSubset(); NameStringPair.Builder entry = NameStringPair.newBuilder() .setName(HConstants.KEY_FOR_HOSTNAME_SEEN_BY_MASTER).setValue(rs.getHostname()); resp.addMapEntries(entry.build()); return resp.build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public ReportRSFatalErrorResponse reportRSFatalError(RpcController controller, ReportRSFatalErrorRequest request) throws ServiceException { String errorText = request.getErrorMessage(); ServerName sn = ProtobufUtil.toServerName(request.getServer()); String msg = sn + " reported a fatal error:\n" + errorText; LOG.warn(msg); master.rsFatals.add(msg); return ReportRSFatalErrorResponse.newBuilder().build(); } @Override public AddColumnResponse addColumn(RpcController controller, AddColumnRequest req) throws ServiceException { try { long procId = master.addColumn(ProtobufUtil.toTableName(req.getTableName()), ProtobufUtil.toColumnFamilyDescriptor(req.getColumnFamilies()), req.getNonceGroup(), req.getNonce()); if (procId == -1) { // This mean operation was not performed in server, so do not set any procId return AddColumnResponse.newBuilder().build(); } else { return AddColumnResponse.newBuilder().setProcId(procId).build(); } } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public AssignRegionResponse assignRegion(RpcController controller, AssignRegionRequest req) throws ServiceException { try { master.checkInitialized(); final RegionSpecifierType type = req.getRegion().getType(); if (type != RegionSpecifierType.REGION_NAME) { LOG.warn("assignRegion specifier type: expected: " + RegionSpecifierType.REGION_NAME + " actual: " + type); } final byte[] regionName = req.getRegion().getValue().toByteArray(); final RegionInfo regionInfo = master.getAssignmentManager().getRegionInfo(regionName); if (regionInfo == null) { throw new UnknownRegionException(Bytes.toStringBinary(regionName)); } final AssignRegionResponse arr = AssignRegionResponse.newBuilder().build(); if (master.cpHost != null) { master.cpHost.preAssign(regionInfo); } LOG.info(master.getClientIdAuditPrefix() + " assign " + regionInfo.getRegionNameAsString()); master.getAssignmentManager().assign(regionInfo); if (master.cpHost != null) { master.cpHost.postAssign(regionInfo); } return arr; } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public BalanceResponse balance(RpcController controller, BalanceRequest request) throws ServiceException { try { return ProtobufUtil.toBalanceResponse(master.balance(ProtobufUtil.toBalanceRequest(request))); } catch (IOException ex) { throw new ServiceException(ex); } } @Override public CreateNamespaceResponse createNamespace(RpcController controller, CreateNamespaceRequest request) throws ServiceException { try { long procId = master.createNamespace(ProtobufUtil.toNamespaceDescriptor(request.getNamespaceDescriptor()), request.getNonceGroup(), request.getNonce()); return CreateNamespaceResponse.newBuilder().setProcId(procId).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public CreateTableResponse createTable(RpcController controller, CreateTableRequest req) throws ServiceException { TableDescriptor tableDescriptor = ProtobufUtil.toTableDescriptor(req.getTableSchema()); byte[][] splitKeys = ProtobufUtil.getSplitKeysArray(req); try { long procId = master.createTable(tableDescriptor, splitKeys, req.getNonceGroup(), req.getNonce()); LOG.info(master.getClientIdAuditPrefix() + " procedure request for creating table: " + req.getTableSchema().getTableName() + " procId is: " + procId); return CreateTableResponse.newBuilder().setProcId(procId).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public DeleteColumnResponse deleteColumn(RpcController controller, DeleteColumnRequest req) throws ServiceException { try { long procId = master.deleteColumn(ProtobufUtil.toTableName(req.getTableName()), req.getColumnName().toByteArray(), req.getNonceGroup(), req.getNonce()); if (procId == -1) { // This mean operation was not performed in server, so do not set any procId return DeleteColumnResponse.newBuilder().build(); } else { return DeleteColumnResponse.newBuilder().setProcId(procId).build(); } } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public DeleteNamespaceResponse deleteNamespace(RpcController controller, DeleteNamespaceRequest request) throws ServiceException { try { long procId = master.deleteNamespace(request.getNamespaceName(), request.getNonceGroup(), request.getNonce()); return DeleteNamespaceResponse.newBuilder().setProcId(procId).build(); } catch (IOException e) { throw new ServiceException(e); } } /** * Execute Delete Snapshot operation. * @return DeleteSnapshotResponse (a protobuf wrapped void) if the snapshot existed and was * deleted properly. * @throws ServiceException wrapping SnapshotDoesNotExistException if specified snapshot did not * exist. */ @Override public DeleteSnapshotResponse deleteSnapshot(RpcController controller, DeleteSnapshotRequest request) throws ServiceException { try { master.checkInitialized(); master.snapshotManager.checkSnapshotSupport(); LOG.info(master.getClientIdAuditPrefix() + " delete " + request.getSnapshot()); master.snapshotManager.deleteSnapshot(request.getSnapshot()); return DeleteSnapshotResponse.newBuilder().build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public DeleteTableResponse deleteTable(RpcController controller, DeleteTableRequest request) throws ServiceException { try { long procId = master.deleteTable(ProtobufUtil.toTableName(request.getTableName()), request.getNonceGroup(), request.getNonce()); return DeleteTableResponse.newBuilder().setProcId(procId).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public TruncateTableResponse truncateTable(RpcController controller, TruncateTableRequest request) throws ServiceException { try { long procId = master.truncateTable(ProtobufUtil.toTableName(request.getTableName()), request.getPreserveSplits(), request.getNonceGroup(), request.getNonce()); return TruncateTableResponse.newBuilder().setProcId(procId).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public DisableTableResponse disableTable(RpcController controller, DisableTableRequest request) throws ServiceException { try { long procId = master.disableTable(ProtobufUtil.toTableName(request.getTableName()), request.getNonceGroup(), request.getNonce()); return DisableTableResponse.newBuilder().setProcId(procId).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public EnableCatalogJanitorResponse enableCatalogJanitor(RpcController c, EnableCatalogJanitorRequest req) throws ServiceException { rpcPreCheck("enableCatalogJanitor"); return EnableCatalogJanitorResponse.newBuilder() .setPrevValue(master.catalogJanitorChore.setEnabled(req.getEnable())).build(); } @Override public SetCleanerChoreRunningResponse setCleanerChoreRunning(RpcController c, SetCleanerChoreRunningRequest req) throws ServiceException { rpcPreCheck("setCleanerChoreRunning"); boolean prevValue = master.getLogCleaner().getEnabled() && master.getHFileCleaner().getEnabled(); master.getLogCleaner().setEnabled(req.getOn()); for (HFileCleaner hFileCleaner : master.getHFileCleaners()) { hFileCleaner.setEnabled(req.getOn()); } return SetCleanerChoreRunningResponse.newBuilder().setPrevValue(prevValue).build(); } @Override public EnableTableResponse enableTable(RpcController controller, EnableTableRequest request) throws ServiceException { try { long procId = master.enableTable(ProtobufUtil.toTableName(request.getTableName()), request.getNonceGroup(), request.getNonce()); return EnableTableResponse.newBuilder().setProcId(procId).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public MergeTableRegionsResponse mergeTableRegions(RpcController c, MergeTableRegionsRequest request) throws ServiceException { try { master.checkInitialized(); } catch (IOException ioe) { throw new ServiceException(ioe); } RegionStates regionStates = master.getAssignmentManager().getRegionStates(); RegionInfo[] regionsToMerge = new RegionInfo[request.getRegionCount()]; for (int i = 0; i < request.getRegionCount(); i++) { final byte[] encodedNameOfRegion = request.getRegion(i).getValue().toByteArray(); if (request.getRegion(i).getType() != RegionSpecifierType.ENCODED_REGION_NAME) { LOG.warn("MergeRegions specifier type: expected: " + RegionSpecifierType.ENCODED_REGION_NAME + " actual: region " + i + " =" + request.getRegion(i).getType()); } RegionState regionState = regionStates.getRegionState(Bytes.toString(encodedNameOfRegion)); if (regionState == null) { throw new ServiceException( new UnknownRegionException(Bytes.toStringBinary(encodedNameOfRegion))); } regionsToMerge[i] = regionState.getRegion(); } try { long procId = master.mergeRegions(regionsToMerge, request.getForcible(), request.getNonceGroup(), request.getNonce()); return MergeTableRegionsResponse.newBuilder().setProcId(procId).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public SplitTableRegionResponse splitRegion(final RpcController controller, final SplitTableRegionRequest request) throws ServiceException { try { long procId = master.splitRegion(ProtobufUtil.toRegionInfo(request.getRegionInfo()), request.hasSplitRow() ? request.getSplitRow().toByteArray() : null, request.getNonceGroup(), request.getNonce()); return SplitTableRegionResponse.newBuilder().setProcId(procId).build(); } catch (IOException ie) { throw new ServiceException(ie); } } @Override public ClientProtos.CoprocessorServiceResponse execMasterService(final RpcController controller, final ClientProtos.CoprocessorServiceRequest request) throws ServiceException { rpcPreCheck("execMasterService"); try { ServerRpcController execController = new ServerRpcController(); ClientProtos.CoprocessorServiceCall call = request.getCall(); String serviceName = call.getServiceName(); String methodName = call.getMethodName(); if (!master.coprocessorServiceHandlers.containsKey(serviceName)) { throw new UnknownProtocolException(null, "No registered Master Coprocessor Endpoint found for " + serviceName + ". Has it been enabled?"); } com.google.protobuf.Service service = master.coprocessorServiceHandlers.get(serviceName); com.google.protobuf.Descriptors.ServiceDescriptor serviceDesc = service.getDescriptorForType(); com.google.protobuf.Descriptors.MethodDescriptor methodDesc = CoprocessorRpcUtils.getMethodDescriptor(methodName, serviceDesc); com.google.protobuf.Message execRequest = CoprocessorRpcUtils.getRequest(service, methodDesc, call.getRequest()); final com.google.protobuf.Message.Builder responseBuilder = service.getResponsePrototype(methodDesc).newBuilderForType(); service.callMethod(methodDesc, execController, execRequest, (message) -> { if (message != null) { responseBuilder.mergeFrom(message); } }); com.google.protobuf.Message execResult = responseBuilder.build(); if (execController.getFailedOn() != null) { throw execController.getFailedOn(); } String remoteAddress = RpcServer.getRemoteAddress().map(InetAddress::toString).orElse(""); User caller = RpcServer.getRequestUser().orElse(null); AUDITLOG.info("User {} (remote address: {}) master service request for {}.{}", caller, remoteAddress, serviceName, methodName); return CoprocessorRpcUtils.getResponse(execResult, HConstants.EMPTY_BYTE_ARRAY); } catch (IOException ie) { throw new ServiceException(ie); } } /** * Triggers an asynchronous attempt to run a distributed procedure. {@inheritDoc} */ @Override public ExecProcedureResponse execProcedure(RpcController controller, ExecProcedureRequest request) throws ServiceException { try { master.checkInitialized(); ProcedureDescription desc = request.getProcedure(); MasterProcedureManager mpm = master.getMasterProcedureManagerHost().getProcedureManager(desc.getSignature()); if (mpm == null) { throw new ServiceException( new DoNotRetryIOException("The procedure is not registered: " + desc.getSignature())); } LOG.info(master.getClientIdAuditPrefix() + " procedure request for: " + desc.getSignature()); mpm.checkPermissions(desc, getAccessChecker(), RpcServer.getRequestUser().orElse(null)); mpm.execProcedure(desc); // send back the max amount of time the client should wait for the procedure // to complete long waitTime = SnapshotDescriptionUtils.DEFAULT_MAX_WAIT_TIME; return ExecProcedureResponse.newBuilder().setExpectedTimeout(waitTime).build(); } catch (ForeignException e) { throw new ServiceException(e.getCause()); } catch (IOException e) { throw new ServiceException(e); } } /** * Triggers a synchronous attempt to run a distributed procedure and sets return data in response. * {@inheritDoc} */ @Override public ExecProcedureResponse execProcedureWithRet(RpcController controller, ExecProcedureRequest request) throws ServiceException { rpcPreCheck("execProcedureWithRet"); try { ProcedureDescription desc = request.getProcedure(); MasterProcedureManager mpm = master.getMasterProcedureManagerHost().getProcedureManager(desc.getSignature()); if (mpm == null) { throw new ServiceException("The procedure is not registered: " + desc.getSignature()); } LOG.info(master.getClientIdAuditPrefix() + " procedure request for: " + desc.getSignature()); byte[] data = mpm.execProcedureWithRet(desc); ExecProcedureResponse.Builder builder = ExecProcedureResponse.newBuilder(); // set return data if available if (data != null) { builder.setReturnData(UnsafeByteOperations.unsafeWrap(data)); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetClusterStatusResponse getClusterStatus(RpcController controller, GetClusterStatusRequest req) throws ServiceException { GetClusterStatusResponse.Builder response = GetClusterStatusResponse.newBuilder(); try { // We used to check if Master was up at this point but let this call proceed even if // Master is initializing... else we shut out stuff like hbck2 tool from making progress // since it queries this method to figure cluster version. hbck2 wants to be able to work // against Master even if it is 'initializing' so it can do fixup. response.setClusterStatus(ClusterMetricsBuilder.toClusterStatus( master.getClusterMetrics(ClusterMetricsBuilder.toOptions(req.getOptionsList())))); } catch (IOException e) { throw new ServiceException(e); } return response.build(); } /** * List the currently available/stored snapshots. Any in-progress snapshots are ignored */ @Override public GetCompletedSnapshotsResponse getCompletedSnapshots(RpcController controller, GetCompletedSnapshotsRequest request) throws ServiceException { try { master.checkInitialized(); GetCompletedSnapshotsResponse.Builder builder = GetCompletedSnapshotsResponse.newBuilder(); List snapshots = master.snapshotManager.getCompletedSnapshots(); // convert to protobuf for (SnapshotDescription snapshot : snapshots) { builder.addSnapshots(snapshot); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ListNamespacesResponse listNamespaces(RpcController controller, ListNamespacesRequest request) throws ServiceException { try { return ListNamespacesResponse.newBuilder().addAllNamespaceName(master.listNamespaces()) .build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetNamespaceDescriptorResponse getNamespaceDescriptor(RpcController controller, GetNamespaceDescriptorRequest request) throws ServiceException { try { return GetNamespaceDescriptorResponse.newBuilder() .setNamespaceDescriptor( ProtobufUtil.toProtoNamespaceDescriptor(master.getNamespace(request.getNamespaceName()))) .build(); } catch (IOException e) { throw new ServiceException(e); } } /** * Get the number of regions of the table that have been updated by the alter. * @return Pair indicating the number of regions updated Pair.getFirst is the regions that are yet * to be updated Pair.getSecond is the total number of regions of the table */ @Override public GetSchemaAlterStatusResponse getSchemaAlterStatus(RpcController controller, GetSchemaAlterStatusRequest req) throws ServiceException { // TODO: currently, we query using the table name on the client side. this // may overlap with other table operations or the table operation may // have completed before querying this API. We need to refactor to a // transaction system in the future to avoid these ambiguities. TableName tableName = ProtobufUtil.toTableName(req.getTableName()); try { master.checkInitialized(); Pair pair = master.getAssignmentManager().getReopenStatus(tableName); GetSchemaAlterStatusResponse.Builder ret = GetSchemaAlterStatusResponse.newBuilder(); ret.setYetToUpdateRegions(pair.getFirst()); ret.setTotalRegions(pair.getSecond()); return ret.build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } /** * Get list of TableDescriptors for requested tables. * @param c Unused (set to null). * @param req GetTableDescriptorsRequest that contains: - tableNames: requested tables, or if * empty, all are requested. */ @Override public GetTableDescriptorsResponse getTableDescriptors(RpcController c, GetTableDescriptorsRequest req) throws ServiceException { try { master.checkInitialized(); final String regex = req.hasRegex() ? req.getRegex() : null; final String namespace = req.hasNamespace() ? req.getNamespace() : null; List tableNameList = null; if (req.getTableNamesCount() > 0) { tableNameList = new ArrayList(req.getTableNamesCount()); for (HBaseProtos.TableName tableNamePB : req.getTableNamesList()) { tableNameList.add(ProtobufUtil.toTableName(tableNamePB)); } } List descriptors = master.listTableDescriptors(namespace, regex, tableNameList, req.getIncludeSysTables()); GetTableDescriptorsResponse.Builder builder = GetTableDescriptorsResponse.newBuilder(); if (descriptors != null && descriptors.size() > 0) { // Add the table descriptors to the response for (TableDescriptor htd : descriptors) { builder.addTableSchema(ProtobufUtil.toTableSchema(htd)); } } return builder.build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } /** * Get list of userspace table names * @param controller Unused (set to null). * @param req GetTableNamesRequest */ @Override public GetTableNamesResponse getTableNames(RpcController controller, GetTableNamesRequest req) throws ServiceException { try { master.checkServiceStarted(); final String regex = req.hasRegex() ? req.getRegex() : null; final String namespace = req.hasNamespace() ? req.getNamespace() : null; List tableNames = master.listTableNames(namespace, regex, req.getIncludeSysTables()); GetTableNamesResponse.Builder builder = GetTableNamesResponse.newBuilder(); if (tableNames != null && tableNames.size() > 0) { // Add the table names to the response for (TableName table : tableNames) { builder.addTableNames(ProtobufUtil.toProtoTableName(table)); } } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetTableStateResponse getTableState(RpcController controller, GetTableStateRequest request) throws ServiceException { try { master.checkServiceStarted(); TableName tableName = ProtobufUtil.toTableName(request.getTableName()); TableState ts = master.getTableStateManager().getTableState(tableName); GetTableStateResponse.Builder builder = GetTableStateResponse.newBuilder(); builder.setTableState(ts.convert()); return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public IsCatalogJanitorEnabledResponse isCatalogJanitorEnabled(RpcController c, IsCatalogJanitorEnabledRequest req) throws ServiceException { return IsCatalogJanitorEnabledResponse.newBuilder().setValue(master.isCatalogJanitorEnabled()) .build(); } @Override public IsCleanerChoreEnabledResponse isCleanerChoreEnabled(RpcController c, IsCleanerChoreEnabledRequest req) throws ServiceException { return IsCleanerChoreEnabledResponse.newBuilder().setValue(master.isCleanerChoreEnabled()) .build(); } @Override public IsMasterRunningResponse isMasterRunning(RpcController c, IsMasterRunningRequest req) throws ServiceException { try { master.checkServiceStarted(); return IsMasterRunningResponse.newBuilder().setIsMasterRunning(!master.isStopped()).build(); } catch (IOException e) { throw new ServiceException(e); } } /** * Checks if the specified procedure is done. * @return true if the procedure is done, false if the procedure is in the process of completing * @throws ServiceException if invalid procedure or failed procedure with progress failure reason. */ @Override public IsProcedureDoneResponse isProcedureDone(RpcController controller, IsProcedureDoneRequest request) throws ServiceException { try { master.checkInitialized(); ProcedureDescription desc = request.getProcedure(); MasterProcedureManager mpm = master.getMasterProcedureManagerHost().getProcedureManager(desc.getSignature()); if (mpm == null) { throw new ServiceException("The procedure is not registered: " + desc.getSignature()); } LOG.debug("Checking to see if procedure from request:" + desc.getSignature() + " is done"); IsProcedureDoneResponse.Builder builder = IsProcedureDoneResponse.newBuilder(); boolean done = mpm.isProcedureDone(desc); builder.setDone(done); return builder.build(); } catch (ForeignException e) { throw new ServiceException(e.getCause()); } catch (IOException e) { throw new ServiceException(e); } } /** * Checks if the specified snapshot is done. * @return true if the snapshot is in file system ready to use, false if the snapshot is in the * process of completing * @throws ServiceException wrapping UnknownSnapshotException if invalid snapshot, or a wrapped * HBaseSnapshotException with progress failure reason. */ @Override public IsSnapshotDoneResponse isSnapshotDone(RpcController controller, IsSnapshotDoneRequest request) throws ServiceException { LOG.debug("Checking to see if snapshot from request:" + ClientSnapshotDescriptionUtils.toString(request.getSnapshot()) + " is done"); try { master.checkInitialized(); IsSnapshotDoneResponse.Builder builder = IsSnapshotDoneResponse.newBuilder(); boolean done = master.snapshotManager.isSnapshotDone(request.getSnapshot()); builder.setDone(done); return builder.build(); } catch (ForeignException e) { throw new ServiceException(e.getCause()); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetProcedureResultResponse getProcedureResult(RpcController controller, GetProcedureResultRequest request) throws ServiceException { LOG.debug("Checking to see if procedure is done pid=" + request.getProcId()); try { master.checkInitialized(); GetProcedureResultResponse.Builder builder = GetProcedureResultResponse.newBuilder(); long procId = request.getProcId(); ProcedureExecutor executor = master.getMasterProcedureExecutor(); Procedure result = executor.getResultOrProcedure(procId); if (result != null) { builder.setSubmittedTime(result.getSubmittedTime()); builder.setLastUpdate(result.getLastUpdate()); if (executor.isFinished(procId)) { builder.setState(GetProcedureResultResponse.State.FINISHED); if (result.isFailed()) { IOException exception = MasterProcedureUtil.unwrapRemoteIOException(result); builder.setException(ForeignExceptionUtil.toProtoForeignException(exception)); } byte[] resultData = result.getResult(); if (resultData != null) { builder.setResult(UnsafeByteOperations.unsafeWrap(resultData)); } master.getMasterProcedureExecutor().removeResult(request.getProcId()); } else { builder.setState(GetProcedureResultResponse.State.RUNNING); } } else { builder.setState(GetProcedureResultResponse.State.NOT_FOUND); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public AbortProcedureResponse abortProcedure(RpcController rpcController, AbortProcedureRequest request) throws ServiceException { try { AbortProcedureResponse.Builder response = AbortProcedureResponse.newBuilder(); boolean abortResult = master.abortProcedure(request.getProcId(), request.getMayInterruptIfRunning()); response.setIsProcedureAborted(abortResult); return response.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ListNamespaceDescriptorsResponse listNamespaceDescriptors(RpcController c, ListNamespaceDescriptorsRequest request) throws ServiceException { try { ListNamespaceDescriptorsResponse.Builder response = ListNamespaceDescriptorsResponse.newBuilder(); for (NamespaceDescriptor ns : master.getNamespaces()) { response.addNamespaceDescriptor(ProtobufUtil.toProtoNamespaceDescriptor(ns)); } return response.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetProceduresResponse getProcedures(RpcController rpcController, GetProceduresRequest request) throws ServiceException { try { final GetProceduresResponse.Builder response = GetProceduresResponse.newBuilder(); for (Procedure p : master.getProcedures()) { response.addProcedure(ProcedureUtil.convertToProtoProcedure(p)); } return response.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public GetLocksResponse getLocks(RpcController controller, GetLocksRequest request) throws ServiceException { try { final GetLocksResponse.Builder builder = GetLocksResponse.newBuilder(); for (LockedResource lockedResource : master.getLocks()) { builder.addLock(ProcedureUtil.convertToProtoLockedResource(lockedResource)); } return builder.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ListTableDescriptorsByNamespaceResponse listTableDescriptorsByNamespace(RpcController c, ListTableDescriptorsByNamespaceRequest request) throws ServiceException { try { ListTableDescriptorsByNamespaceResponse.Builder b = ListTableDescriptorsByNamespaceResponse.newBuilder(); for (TableDescriptor htd : master .listTableDescriptorsByNamespace(request.getNamespaceName())) { b.addTableSchema(ProtobufUtil.toTableSchema(htd)); } return b.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ListTableNamesByNamespaceResponse listTableNamesByNamespace(RpcController c, ListTableNamesByNamespaceRequest request) throws ServiceException { try { ListTableNamesByNamespaceResponse.Builder b = ListTableNamesByNamespaceResponse.newBuilder(); for (TableName tableName : master.listTableNamesByNamespace(request.getNamespaceName())) { b.addTableName(ProtobufUtil.toProtoTableName(tableName)); } return b.build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ModifyColumnResponse modifyColumn(RpcController controller, ModifyColumnRequest req) throws ServiceException { try { long procId = master.modifyColumn(ProtobufUtil.toTableName(req.getTableName()), ProtobufUtil.toColumnFamilyDescriptor(req.getColumnFamilies()), req.getNonceGroup(), req.getNonce()); if (procId == -1) { // This mean operation was not performed in server, so do not set any procId return ModifyColumnResponse.newBuilder().build(); } else { return ModifyColumnResponse.newBuilder().setProcId(procId).build(); } } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public ModifyColumnStoreFileTrackerResponse modifyColumnStoreFileTracker(RpcController controller, ModifyColumnStoreFileTrackerRequest req) throws ServiceException { try { long procId = master.modifyColumnStoreFileTracker(ProtobufUtil.toTableName(req.getTableName()), req.getFamily().toByteArray(), req.getDstSft(), req.getNonceGroup(), req.getNonce()); return ModifyColumnStoreFileTrackerResponse.newBuilder().setProcId(procId).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public FlushMasterStoreResponse flushMasterStore(RpcController controller, FlushMasterStoreRequest request) throws ServiceException { rpcPreCheck("flushMasterStore"); try { master.flushMasterStore(); } catch (IOException ioe) { throw new ServiceException(ioe); } return FlushMasterStoreResponse.newBuilder().build(); } @Override public ModifyNamespaceResponse modifyNamespace(RpcController controller, ModifyNamespaceRequest request) throws ServiceException { try { long procId = master.modifyNamespace(ProtobufUtil.toNamespaceDescriptor(request.getNamespaceDescriptor()), request.getNonceGroup(), request.getNonce()); return ModifyNamespaceResponse.newBuilder().setProcId(procId).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public ModifyTableResponse modifyTable(RpcController controller, ModifyTableRequest req) throws ServiceException { try { long procId = master.modifyTable(ProtobufUtil.toTableName(req.getTableName()), ProtobufUtil.toTableDescriptor(req.getTableSchema()), req.getNonceGroup(), req.getNonce()); return ModifyTableResponse.newBuilder().setProcId(procId).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public ModifyTableStoreFileTrackerResponse modifyTableStoreFileTracker(RpcController controller, ModifyTableStoreFileTrackerRequest req) throws ServiceException { try { long procId = master.modifyTableStoreFileTracker(ProtobufUtil.toTableName(req.getTableName()), req.getDstSft(), req.getNonceGroup(), req.getNonce()); return ModifyTableStoreFileTrackerResponse.newBuilder().setProcId(procId).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public MoveRegionResponse moveRegion(RpcController controller, MoveRegionRequest req) throws ServiceException { final byte[] encodedRegionName = req.getRegion().getValue().toByteArray(); RegionSpecifierType type = req.getRegion().getType(); final byte[] destServerName = (req.hasDestServerName()) ? Bytes.toBytes(ProtobufUtil.toServerName(req.getDestServerName()).getServerName()) : null; MoveRegionResponse mrr = MoveRegionResponse.newBuilder().build(); if (type != RegionSpecifierType.ENCODED_REGION_NAME) { LOG.warn("moveRegion specifier type: expected: " + RegionSpecifierType.ENCODED_REGION_NAME + " actual: " + type); } try { master.checkInitialized(); master.move(encodedRegionName, destServerName); } catch (IOException ioe) { throw new ServiceException(ioe); } return mrr; } /** * Offline specified region from master's in-memory state. It will not attempt to reassign the * region as in unassign. This is a special method that should be used by experts or hbck. */ @Override public OfflineRegionResponse offlineRegion(RpcController controller, OfflineRegionRequest request) throws ServiceException { try { master.checkInitialized(); final RegionSpecifierType type = request.getRegion().getType(); if (type != RegionSpecifierType.REGION_NAME) { LOG.warn("moveRegion specifier type: expected: " + RegionSpecifierType.REGION_NAME + " actual: " + type); } final byte[] regionName = request.getRegion().getValue().toByteArray(); final RegionInfo hri = master.getAssignmentManager().getRegionInfo(regionName); if (hri == null) { throw new UnknownRegionException(Bytes.toStringBinary(regionName)); } if (master.cpHost != null) { master.cpHost.preRegionOffline(hri); } LOG.info(master.getClientIdAuditPrefix() + " offline " + hri.getRegionNameAsString()); master.getAssignmentManager().offlineRegion(hri); if (master.cpHost != null) { master.cpHost.postRegionOffline(hri); } } catch (IOException ioe) { throw new ServiceException(ioe); } return OfflineRegionResponse.newBuilder().build(); } /** * Execute Restore/Clone snapshot operation. *

* If the specified table exists a "Restore" is executed, replacing the table schema and directory * data with the content of the snapshot. The table must be disabled, or a * UnsupportedOperationException will be thrown. *

* If the table doesn't exist a "Clone" is executed, a new table is created using the schema at * the time of the snapshot, and the content of the snapshot. *

* The restore/clone operation does not require copying HFiles. Since HFiles are immutable the * table can point to and use the same files as the original one. */ @Override public RestoreSnapshotResponse restoreSnapshot(RpcController controller, RestoreSnapshotRequest request) throws ServiceException { try { long procId = master.restoreSnapshot(request.getSnapshot(), request.getNonceGroup(), request.getNonce(), request.getRestoreACL(), request.getCustomSFT()); return RestoreSnapshotResponse.newBuilder().setProcId(procId).build(); } catch (ForeignException e) { throw new ServiceException(e.getCause()); } catch (IOException e) { throw new ServiceException(e); } } @Override public SetSnapshotCleanupResponse switchSnapshotCleanup(RpcController controller, SetSnapshotCleanupRequest request) throws ServiceException { try { master.checkInitialized(); final boolean enabled = request.getEnabled(); final boolean isSynchronous = request.hasSynchronous() && request.getSynchronous(); final boolean prevSnapshotCleanupRunning = this.switchSnapshotCleanup(enabled, isSynchronous); return SetSnapshotCleanupResponse.newBuilder() .setPrevSnapshotCleanup(prevSnapshotCleanupRunning).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public IsSnapshotCleanupEnabledResponse isSnapshotCleanupEnabled(RpcController controller, IsSnapshotCleanupEnabledRequest request) throws ServiceException { try { master.checkInitialized(); final boolean isSnapshotCleanupEnabled = master.snapshotCleanupTracker.isSnapshotCleanupEnabled(); return IsSnapshotCleanupEnabledResponse.newBuilder().setEnabled(isSnapshotCleanupEnabled) .build(); } catch (IOException e) { throw new ServiceException(e); } } /** * Turn on/off snapshot auto-cleanup based on TTL * @param enabledNewVal Set to true to enable, false to disable * @param synchronous If true, it waits until current snapshot cleanup is * completed, if outstanding * @return previous snapshot auto-cleanup mode */ private synchronized boolean switchSnapshotCleanup(final boolean enabledNewVal, final boolean synchronous) { final boolean oldValue = master.snapshotCleanupTracker.isSnapshotCleanupEnabled(); master.switchSnapshotCleanup(enabledNewVal, synchronous); LOG.info("{} Successfully set snapshot cleanup to {}", master.getClientIdAuditPrefix(), enabledNewVal); return oldValue; } @Override public RunCatalogScanResponse runCatalogScan(RpcController c, RunCatalogScanRequest req) throws ServiceException { rpcPreCheck("runCatalogScan"); try { return ResponseConverter.buildRunCatalogScanResponse(this.master.catalogJanitorChore.scan()); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public RunCleanerChoreResponse runCleanerChore(RpcController c, RunCleanerChoreRequest req) throws ServiceException { rpcPreCheck("runCleanerChore"); boolean result = master.getHFileCleaner().runCleaner() && master.getLogCleaner().runCleaner(); return ResponseConverter.buildRunCleanerChoreResponse(result); } @Override public SetBalancerRunningResponse setBalancerRunning(RpcController c, SetBalancerRunningRequest req) throws ServiceException { try { master.checkInitialized(); boolean prevValue = (req.getSynchronous()) ? synchronousBalanceSwitch(req.getOn()) : master.balanceSwitch(req.getOn()); return SetBalancerRunningResponse.newBuilder().setPrevBalanceValue(prevValue).build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public ShutdownResponse shutdown(RpcController controller, ShutdownRequest request) throws ServiceException { LOG.info(master.getClientIdAuditPrefix() + " shutdown"); try { master.shutdown(); } catch (IOException e) { LOG.error("Exception occurred in HMaster.shutdown()", e); throw new ServiceException(e); } return ShutdownResponse.newBuilder().build(); } /** * Triggers an asynchronous attempt to take a snapshot. {@inheritDoc} */ @Override public SnapshotResponse snapshot(RpcController controller, SnapshotRequest request) throws ServiceException { try { master.checkInitialized(); master.snapshotManager.checkSnapshotSupport(); LOG.info(master.getClientIdAuditPrefix() + " snapshot request for:" + ClientSnapshotDescriptionUtils.toString(request.getSnapshot())); // get the snapshot information SnapshotDescription snapshot = SnapshotDescriptionUtils.validate(request.getSnapshot(), master.getConfiguration()); master.snapshotManager.takeSnapshot(snapshot); // send back the max amount of time the client should wait for the snapshot to complete long waitTime = SnapshotDescriptionUtils.getMaxMasterTimeout(master.getConfiguration(), snapshot.getType(), SnapshotDescriptionUtils.DEFAULT_MAX_WAIT_TIME); return SnapshotResponse.newBuilder().setExpectedTimeout(waitTime).build(); } catch (ForeignException e) { throw new ServiceException(e.getCause()); } catch (IOException e) { throw new ServiceException(e); } } @Override public StopMasterResponse stopMaster(RpcController controller, StopMasterRequest request) throws ServiceException { LOG.info(master.getClientIdAuditPrefix() + " stop"); try { master.stopMaster(); } catch (IOException e) { LOG.error("Exception occurred while stopping master", e); throw new ServiceException(e); } return StopMasterResponse.newBuilder().build(); } @Override public IsInMaintenanceModeResponse isMasterInMaintenanceMode(final RpcController controller, final IsInMaintenanceModeRequest request) throws ServiceException { IsInMaintenanceModeResponse.Builder response = IsInMaintenanceModeResponse.newBuilder(); response.setInMaintenanceMode(master.isInMaintenanceMode()); return response.build(); } @Override public UnassignRegionResponse unassignRegion(RpcController controller, UnassignRegionRequest req) throws ServiceException { try { final byte[] regionName = req.getRegion().getValue().toByteArray(); RegionSpecifierType type = req.getRegion().getType(); UnassignRegionResponse urr = UnassignRegionResponse.newBuilder().build(); master.checkInitialized(); if (type != RegionSpecifierType.REGION_NAME) { LOG.warn("unassignRegion specifier type: expected: " + RegionSpecifierType.REGION_NAME + " actual: " + type); } RegionStateNode rsn = master.getAssignmentManager().getRegionStates().getRegionStateNodeFromName(regionName); if (rsn == null) { throw new UnknownRegionException(Bytes.toString(regionName)); } RegionInfo hri = rsn.getRegionInfo(); if (master.cpHost != null) { master.cpHost.preUnassign(hri); } LOG.debug(master.getClientIdAuditPrefix() + " unassign " + hri.getRegionNameAsString() + " in current location if it is online"); master.getAssignmentManager().unassign(hri); if (master.cpHost != null) { master.cpHost.postUnassign(hri); } return urr; } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public ReportRegionStateTransitionResponse reportRegionStateTransition(RpcController c, ReportRegionStateTransitionRequest req) throws ServiceException { try { master.checkServiceStarted(); return master.getAssignmentManager().reportRegionStateTransition(req); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public SetQuotaResponse setQuota(RpcController c, SetQuotaRequest req) throws ServiceException { try { master.checkInitialized(); return master.getMasterQuotaManager().setQuota(req); } catch (Exception e) { throw new ServiceException(e); } } @Override public MajorCompactionTimestampResponse getLastMajorCompactionTimestamp(RpcController controller, MajorCompactionTimestampRequest request) throws ServiceException { MajorCompactionTimestampResponse.Builder response = MajorCompactionTimestampResponse.newBuilder(); try { master.checkInitialized(); response.setCompactionTimestamp( master.getLastMajorCompactionTimestamp(ProtobufUtil.toTableName(request.getTableName()))); } catch (IOException e) { throw new ServiceException(e); } return response.build(); } @Override public MajorCompactionTimestampResponse getLastMajorCompactionTimestampForRegion( RpcController controller, MajorCompactionTimestampForRegionRequest request) throws ServiceException { MajorCompactionTimestampResponse.Builder response = MajorCompactionTimestampResponse.newBuilder(); try { master.checkInitialized(); response.setCompactionTimestamp(master .getLastMajorCompactionTimestampForRegion(request.getRegion().getValue().toByteArray())); } catch (IOException e) { throw new ServiceException(e); } return response.build(); } /** * Compact a region on the master. * @param controller the RPC controller * @param request the request */ @Override @QosPriority(priority = HConstants.ADMIN_QOS) public CompactRegionResponse compactRegion(final RpcController controller, final CompactRegionRequest request) throws ServiceException { try { master.checkInitialized(); byte[] regionName = request.getRegion().getValue().toByteArray(); TableName tableName = RegionInfo.getTable(regionName); // TODO: support CompactType.MOB // if the region is a mob region, do the mob file compaction. if (MobUtils.isMobRegionName(tableName, regionName)) { checkHFileFormatVersionForMob(); // TODO: support CompactType.MOB // HBASE-23571 LOG.warn("CompactType.MOB is not supported yet, will run regular compaction." + " Refer to HBASE-23571."); return super.compactRegion(controller, request); } else { return super.compactRegion(controller, request); } } catch (IOException ie) { throw new ServiceException(ie); } } /** * check configured hfile format version before to do compaction * @throws IOException throw IOException */ private void checkHFileFormatVersionForMob() throws IOException { if (HFile.getFormatVersion(master.getConfiguration()) < HFile.MIN_FORMAT_VERSION_WITH_TAGS) { LOG.error("A minimum HFile version of " + HFile.MIN_FORMAT_VERSION_WITH_TAGS + " is required for MOB compaction. Compaction will not run."); throw new IOException("A minimum HFile version of " + HFile.MIN_FORMAT_VERSION_WITH_TAGS + " is required for MOB feature. Consider setting " + HFile.FORMAT_VERSION_KEY + " accordingly."); } } /** * This method implements Admin getRegionInfo. On RegionServer, it is able to return RegionInfo * and detail. On Master, it just returns RegionInfo. On Master it has been hijacked to return Mob * detail. Master implementation is good for querying full region name if you only have the * encoded name (useful around region replicas for example which do not have a row in hbase:meta). */ @Override @QosPriority(priority = HConstants.ADMIN_QOS) public GetRegionInfoResponse getRegionInfo(final RpcController controller, final GetRegionInfoRequest request) throws ServiceException { RegionInfo ri = null; try { ri = getRegionInfo(request.getRegion()); } catch (UnknownRegionException ure) { throw new ServiceException(ure); } GetRegionInfoResponse.Builder builder = GetRegionInfoResponse.newBuilder(); if (ri != null) { builder.setRegionInfo(ProtobufUtil.toRegionInfo(ri)); } else { // Is it a MOB name? These work differently. byte[] regionName = request.getRegion().getValue().toByteArray(); TableName tableName = RegionInfo.getTable(regionName); if (MobUtils.isMobRegionName(tableName, regionName)) { // a dummy region info contains the compaction state. RegionInfo mobRegionInfo = MobUtils.getMobRegionInfo(tableName); builder.setRegionInfo(ProtobufUtil.toRegionInfo(mobRegionInfo)); if (request.hasCompactionState() && request.getCompactionState()) { builder.setCompactionState(master.getMobCompactionState(tableName)); } } else { // If unknown RegionInfo and not a MOB region, it is unknown. throw new ServiceException(new UnknownRegionException(Bytes.toString(regionName))); } } return builder.build(); } @Override public IsBalancerEnabledResponse isBalancerEnabled(RpcController controller, IsBalancerEnabledRequest request) throws ServiceException { IsBalancerEnabledResponse.Builder response = IsBalancerEnabledResponse.newBuilder(); response.setEnabled(master.isBalancerOn()); return response.build(); } @Override public SetSplitOrMergeEnabledResponse setSplitOrMergeEnabled(RpcController controller, SetSplitOrMergeEnabledRequest request) throws ServiceException { SetSplitOrMergeEnabledResponse.Builder response = SetSplitOrMergeEnabledResponse.newBuilder(); try { master.checkInitialized(); boolean newValue = request.getEnabled(); for (MasterProtos.MasterSwitchType masterSwitchType : request.getSwitchTypesList()) { MasterSwitchType switchType = convert(masterSwitchType); boolean oldValue = master.isSplitOrMergeEnabled(switchType); response.addPrevValue(oldValue); if (master.cpHost != null) { master.cpHost.preSetSplitOrMergeEnabled(newValue, switchType); } master.getSplitOrMergeTracker().setSplitOrMergeEnabled(newValue, switchType); if (master.cpHost != null) { master.cpHost.postSetSplitOrMergeEnabled(newValue, switchType); } } } catch (IOException | KeeperException e) { throw new ServiceException(e); } return response.build(); } @Override public IsSplitOrMergeEnabledResponse isSplitOrMergeEnabled(RpcController controller, IsSplitOrMergeEnabledRequest request) throws ServiceException { IsSplitOrMergeEnabledResponse.Builder response = IsSplitOrMergeEnabledResponse.newBuilder(); response.setEnabled(master.isSplitOrMergeEnabled(convert(request.getSwitchType()))); return response.build(); } @Override public NormalizeResponse normalize(RpcController controller, NormalizeRequest request) throws ServiceException { rpcPreCheck("normalize"); try { final NormalizeTableFilterParams ntfp = new NormalizeTableFilterParams.Builder() .tableNames(ProtobufUtil.toTableNameList(request.getTableNamesList())) .regex(request.hasRegex() ? request.getRegex() : null) .namespace(request.hasNamespace() ? request.getNamespace() : null).build(); return NormalizeResponse.newBuilder() // all API requests are considered priority requests. .setNormalizerRan(master.normalizeRegions(ntfp, true)).build(); } catch (IOException ex) { throw new ServiceException(ex); } } @Override public SetNormalizerRunningResponse setNormalizerRunning(RpcController controller, SetNormalizerRunningRequest request) throws ServiceException { rpcPreCheck("setNormalizerRunning"); // Sets normalizer on/off flag in ZK. // TODO: this method is totally broken in terms of atomicity of actions and values read. // 1. The contract has this RPC returning the previous value. There isn't a ZKUtil method // that lets us retrieve the previous value as part of setting a new value, so we simply // perform a read before issuing the update. Thus we have a data race opportunity, between // when the `prevValue` is read and whatever is actually overwritten. // 2. Down in `setNormalizerOn`, the call to `createAndWatch` inside of the catch clause can // itself fail in the event that the znode already exists. Thus, another data race, between // when the initial `setData` call is notified of the absence of the target znode and the // subsequent `createAndWatch`, with another client creating said node. // That said, there's supposed to be only one active master and thus there's supposed to be // only one process with the authority to modify the value. final boolean prevValue = master.getRegionNormalizerManager().isNormalizerOn(); final boolean newValue = request.getOn(); master.getRegionNormalizerManager().setNormalizerOn(newValue); LOG.info("{} set normalizerSwitch={}", master.getClientIdAuditPrefix(), newValue); return SetNormalizerRunningResponse.newBuilder().setPrevNormalizerValue(prevValue).build(); } @Override public IsNormalizerEnabledResponse isNormalizerEnabled(RpcController controller, IsNormalizerEnabledRequest request) { IsNormalizerEnabledResponse.Builder response = IsNormalizerEnabledResponse.newBuilder(); response.setEnabled(master.isNormalizerOn()); return response.build(); } /** * Returns the security capabilities in effect on the cluster */ @Override public SecurityCapabilitiesResponse getSecurityCapabilities(RpcController controller, SecurityCapabilitiesRequest request) throws ServiceException { SecurityCapabilitiesResponse.Builder response = SecurityCapabilitiesResponse.newBuilder(); try { master.checkInitialized(); Set capabilities = new HashSet<>(); // Authentication if (User.isHBaseSecurityEnabled(master.getConfiguration())) { capabilities.add(SecurityCapabilitiesResponse.Capability.SECURE_AUTHENTICATION); } else { capabilities.add(SecurityCapabilitiesResponse.Capability.SIMPLE_AUTHENTICATION); } // A coprocessor that implements AccessControlService can provide AUTHORIZATION and // CELL_AUTHORIZATION if (master.cpHost != null && hasAccessControlServiceCoprocessor(master.cpHost)) { if (AccessChecker.isAuthorizationSupported(master.getConfiguration())) { capabilities.add(SecurityCapabilitiesResponse.Capability.AUTHORIZATION); } if (AccessController.isCellAuthorizationSupported(master.getConfiguration())) { capabilities.add(SecurityCapabilitiesResponse.Capability.CELL_AUTHORIZATION); } } // A coprocessor that implements VisibilityLabelsService can provide CELL_VISIBILITY. if (master.cpHost != null && hasVisibilityLabelsServiceCoprocessor(master.cpHost)) { if (VisibilityController.isCellAuthorizationSupported(master.getConfiguration())) { capabilities.add(SecurityCapabilitiesResponse.Capability.CELL_VISIBILITY); } } response.addAllCapabilities(capabilities); } catch (IOException e) { throw new ServiceException(e); } return response.build(); } /** * Determines if there is a MasterCoprocessor deployed which implements * {@link org.apache.hadoop.hbase.protobuf.generated.AccessControlProtos.AccessControlService.Interface}. */ boolean hasAccessControlServiceCoprocessor(MasterCoprocessorHost cpHost) { return checkCoprocessorWithService(cpHost.findCoprocessors(MasterCoprocessor.class), AccessControlService.Interface.class); } /** * Determines if there is a MasterCoprocessor deployed which implements * {@link org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.VisibilityLabelsService.Interface}. */ boolean hasVisibilityLabelsServiceCoprocessor(MasterCoprocessorHost cpHost) { return checkCoprocessorWithService(cpHost.findCoprocessors(MasterCoprocessor.class), VisibilityLabelsService.Interface.class); } /** * Determines if there is a coprocessor implementation in the provided argument which extends or * implements the provided {@code service}. */ boolean checkCoprocessorWithService(List coprocessorsToCheck, Class service) { if (coprocessorsToCheck == null || coprocessorsToCheck.isEmpty()) { return false; } for (MasterCoprocessor cp : coprocessorsToCheck) { if (service.isAssignableFrom(cp.getClass())) { return true; } } return false; } private MasterSwitchType convert(MasterProtos.MasterSwitchType switchType) { switch (switchType) { case SPLIT: return MasterSwitchType.SPLIT; case MERGE: return MasterSwitchType.MERGE; default: break; } return null; } @Override public AddReplicationPeerResponse addReplicationPeer(RpcController controller, AddReplicationPeerRequest request) throws ServiceException { try { long procId = master.addReplicationPeer(request.getPeerId(), ReplicationPeerConfigUtil.convert(request.getPeerConfig()), request.getPeerState().getState().equals(ReplicationState.State.ENABLED)); return AddReplicationPeerResponse.newBuilder().setProcId(procId).build(); } catch (ReplicationException | IOException e) { throw new ServiceException(e); } } @Override public RemoveReplicationPeerResponse removeReplicationPeer(RpcController controller, RemoveReplicationPeerRequest request) throws ServiceException { try { long procId = master.removeReplicationPeer(request.getPeerId()); return RemoveReplicationPeerResponse.newBuilder().setProcId(procId).build(); } catch (ReplicationException | IOException e) { throw new ServiceException(e); } } @Override public EnableReplicationPeerResponse enableReplicationPeer(RpcController controller, EnableReplicationPeerRequest request) throws ServiceException { try { long procId = master.enableReplicationPeer(request.getPeerId()); return EnableReplicationPeerResponse.newBuilder().setProcId(procId).build(); } catch (ReplicationException | IOException e) { throw new ServiceException(e); } } @Override public DisableReplicationPeerResponse disableReplicationPeer(RpcController controller, DisableReplicationPeerRequest request) throws ServiceException { try { long procId = master.disableReplicationPeer(request.getPeerId()); return DisableReplicationPeerResponse.newBuilder().setProcId(procId).build(); } catch (ReplicationException | IOException e) { throw new ServiceException(e); } } @Override public GetReplicationPeerConfigResponse getReplicationPeerConfig(RpcController controller, GetReplicationPeerConfigRequest request) throws ServiceException { GetReplicationPeerConfigResponse.Builder response = GetReplicationPeerConfigResponse.newBuilder(); try { String peerId = request.getPeerId(); ReplicationPeerConfig peerConfig = master.getReplicationPeerConfig(peerId); response.setPeerId(peerId); response.setPeerConfig(ReplicationPeerConfigUtil.convert(peerConfig)); } catch (ReplicationException | IOException e) { throw new ServiceException(e); } return response.build(); } @Override public UpdateReplicationPeerConfigResponse updateReplicationPeerConfig(RpcController controller, UpdateReplicationPeerConfigRequest request) throws ServiceException { try { long procId = master.updateReplicationPeerConfig(request.getPeerId(), ReplicationPeerConfigUtil.convert(request.getPeerConfig())); return UpdateReplicationPeerConfigResponse.newBuilder().setProcId(procId).build(); } catch (ReplicationException | IOException e) { throw new ServiceException(e); } } @Override public ListReplicationPeersResponse listReplicationPeers(RpcController controller, ListReplicationPeersRequest request) throws ServiceException { ListReplicationPeersResponse.Builder response = ListReplicationPeersResponse.newBuilder(); try { List peers = master.listReplicationPeers(request.hasRegex() ? request.getRegex() : null); for (ReplicationPeerDescription peer : peers) { response.addPeerDesc(ReplicationPeerConfigUtil.toProtoReplicationPeerDescription(peer)); } } catch (ReplicationException | IOException e) { throw new ServiceException(e); } return response.build(); } @Override public ListDecommissionedRegionServersResponse listDecommissionedRegionServers( RpcController controller, ListDecommissionedRegionServersRequest request) throws ServiceException { ListDecommissionedRegionServersResponse.Builder response = ListDecommissionedRegionServersResponse.newBuilder(); try { master.checkInitialized(); if (master.cpHost != null) { master.cpHost.preListDecommissionedRegionServers(); } List servers = master.listDecommissionedRegionServers(); response.addAllServerName((servers.stream().map(server -> ProtobufUtil.toServerName(server))) .collect(Collectors.toList())); if (master.cpHost != null) { master.cpHost.postListDecommissionedRegionServers(); } } catch (IOException io) { throw new ServiceException(io); } return response.build(); } @Override public DecommissionRegionServersResponse decommissionRegionServers(RpcController controller, DecommissionRegionServersRequest request) throws ServiceException { try { master.checkInitialized(); List servers = request.getServerNameList().stream() .map(pbServer -> ProtobufUtil.toServerName(pbServer)).collect(Collectors.toList()); boolean offload = request.getOffload(); if (master.cpHost != null) { master.cpHost.preDecommissionRegionServers(servers, offload); } master.decommissionRegionServers(servers, offload); if (master.cpHost != null) { master.cpHost.postDecommissionRegionServers(servers, offload); } } catch (IOException io) { throw new ServiceException(io); } return DecommissionRegionServersResponse.newBuilder().build(); } @Override public RecommissionRegionServerResponse recommissionRegionServer(RpcController controller, RecommissionRegionServerRequest request) throws ServiceException { try { master.checkInitialized(); ServerName server = ProtobufUtil.toServerName(request.getServerName()); List encodedRegionNames = request.getRegionList().stream() .map(regionSpecifier -> regionSpecifier.getValue().toByteArray()) .collect(Collectors.toList()); if (master.cpHost != null) { master.cpHost.preRecommissionRegionServer(server, encodedRegionNames); } master.recommissionRegionServer(server, encodedRegionNames); if (master.cpHost != null) { master.cpHost.postRecommissionRegionServer(server, encodedRegionNames); } } catch (IOException io) { throw new ServiceException(io); } return RecommissionRegionServerResponse.newBuilder().build(); } @Override public LockResponse requestLock(RpcController controller, final LockRequest request) throws ServiceException { try { if (request.getDescription().isEmpty()) { throw new IllegalArgumentException("Empty description"); } NonceProcedureRunnable npr; LockType type = LockType.valueOf(request.getLockType().name()); if (request.getRegionInfoCount() > 0) { final RegionInfo[] regionInfos = new RegionInfo[request.getRegionInfoCount()]; for (int i = 0; i < request.getRegionInfoCount(); ++i) { regionInfos[i] = ProtobufUtil.toRegionInfo(request.getRegionInfo(i)); } npr = new NonceProcedureRunnable(master, request.getNonceGroup(), request.getNonce()) { @Override protected void run() throws IOException { setProcId(master.getLockManager().remoteLocks().requestRegionsLock(regionInfos, request.getDescription(), getNonceKey())); } @Override protected String getDescription() { return "RequestLock"; } }; } else if (request.hasTableName()) { final TableName tableName = ProtobufUtil.toTableName(request.getTableName()); npr = new NonceProcedureRunnable(master, request.getNonceGroup(), request.getNonce()) { @Override protected void run() throws IOException { setProcId(master.getLockManager().remoteLocks().requestTableLock(tableName, type, request.getDescription(), getNonceKey())); } @Override protected String getDescription() { return "RequestLock"; } }; } else if (request.hasNamespace()) { npr = new NonceProcedureRunnable(master, request.getNonceGroup(), request.getNonce()) { @Override protected void run() throws IOException { setProcId(master.getLockManager().remoteLocks().requestNamespaceLock( request.getNamespace(), type, request.getDescription(), getNonceKey())); } @Override protected String getDescription() { return "RequestLock"; } }; } else { throw new IllegalArgumentException("one of table/namespace/region should be specified"); } long procId = MasterProcedureUtil.submitProcedure(npr); return LockResponse.newBuilder().setProcId(procId).build(); } catch (IllegalArgumentException e) { LOG.warn("Exception when queuing lock", e); throw new ServiceException(new DoNotRetryIOException(e)); } catch (IOException e) { LOG.warn("Exception when queuing lock", e); throw new ServiceException(e); } } /** * @return LOCKED, if procedure is found and it has the lock; else UNLOCKED. * @throws ServiceException if given proc id is found but it is not a LockProcedure. */ @Override public LockHeartbeatResponse lockHeartbeat(RpcController controller, LockHeartbeatRequest request) throws ServiceException { try { if ( master.getLockManager().remoteLocks().lockHeartbeat(request.getProcId(), request.getKeepAlive()) ) { return LockHeartbeatResponse.newBuilder() .setTimeoutMs(master.getConfiguration().getInt(LockProcedure.REMOTE_LOCKS_TIMEOUT_MS_CONF, LockProcedure.DEFAULT_REMOTE_LOCKS_TIMEOUT_MS)) .setLockStatus(LockHeartbeatResponse.LockStatus.LOCKED).build(); } else { return LockHeartbeatResponse.newBuilder() .setLockStatus(LockHeartbeatResponse.LockStatus.UNLOCKED).build(); } } catch (IOException e) { throw new ServiceException(e); } } @Override public RegionSpaceUseReportResponse reportRegionSpaceUse(RpcController controller, RegionSpaceUseReportRequest request) throws ServiceException { try { master.checkInitialized(); if (!QuotaUtil.isQuotaEnabled(master.getConfiguration())) { return RegionSpaceUseReportResponse.newBuilder().build(); } MasterQuotaManager quotaManager = this.master.getMasterQuotaManager(); if (quotaManager != null) { final long now = EnvironmentEdgeManager.currentTime(); for (RegionSpaceUse report : request.getSpaceUseList()) { quotaManager.addRegionSize(ProtobufUtil.toRegionInfo(report.getRegionInfo()), report.getRegionSize(), now); } } else { LOG.debug("Received region space usage report but HMaster is not ready to process it, " + "skipping"); } return RegionSpaceUseReportResponse.newBuilder().build(); } catch (Exception e) { throw new ServiceException(e); } } @Override public GetSpaceQuotaRegionSizesResponse getSpaceQuotaRegionSizes(RpcController controller, GetSpaceQuotaRegionSizesRequest request) throws ServiceException { try { master.checkInitialized(); MasterQuotaManager quotaManager = this.master.getMasterQuotaManager(); GetSpaceQuotaRegionSizesResponse.Builder builder = GetSpaceQuotaRegionSizesResponse.newBuilder(); if (quotaManager != null) { Map regionSizes = quotaManager.snapshotRegionSizes(); Map regionSizesByTable = new HashMap<>(); // Translate hregioninfo+long -> tablename+long for (Entry entry : regionSizes.entrySet()) { final TableName tableName = entry.getKey().getTable(); Long prevSize = regionSizesByTable.get(tableName); if (prevSize == null) { prevSize = 0L; } regionSizesByTable.put(tableName, prevSize + entry.getValue()); } // Serialize them into the protobuf for (Entry tableSize : regionSizesByTable.entrySet()) { builder.addSizes( RegionSizes.newBuilder().setTableName(ProtobufUtil.toProtoTableName(tableSize.getKey())) .setSize(tableSize.getValue()).build()); } return builder.build(); } else { LOG.debug("Received space quota region size report but HMaster is not ready to process it," + "skipping"); } return builder.build(); } catch (Exception e) { throw new ServiceException(e); } } @Override public GetQuotaStatesResponse getQuotaStates(RpcController controller, GetQuotaStatesRequest request) throws ServiceException { try { master.checkInitialized(); QuotaObserverChore quotaChore = this.master.getQuotaObserverChore(); GetQuotaStatesResponse.Builder builder = GetQuotaStatesResponse.newBuilder(); if (quotaChore != null) { // The "current" view of all tables with quotas Map tableSnapshots = quotaChore.getTableQuotaSnapshots(); for (Entry entry : tableSnapshots.entrySet()) { builder.addTableSnapshots(TableQuotaSnapshot.newBuilder() .setTableName(ProtobufUtil.toProtoTableName(entry.getKey())) .setSnapshot(SpaceQuotaSnapshot.toProtoSnapshot(entry.getValue())).build()); } // The "current" view of all namespaces with quotas Map nsSnapshots = quotaChore.getNamespaceQuotaSnapshots(); for (Entry entry : nsSnapshots.entrySet()) { builder.addNsSnapshots(NamespaceQuotaSnapshot.newBuilder().setNamespace(entry.getKey()) .setSnapshot(SpaceQuotaSnapshot.toProtoSnapshot(entry.getValue())).build()); } return builder.build(); } return builder.build(); } catch (Exception e) { throw new ServiceException(e); } } @Override public ClearDeadServersResponse clearDeadServers(RpcController controller, ClearDeadServersRequest request) throws ServiceException { LOG.debug(master.getClientIdAuditPrefix() + " clear dead region servers."); ClearDeadServersResponse.Builder response = ClearDeadServersResponse.newBuilder(); try { master.checkInitialized(); if (master.cpHost != null) { master.cpHost.preClearDeadServers(); } if (master.getServerManager().areDeadServersInProgress()) { LOG.debug("Some dead server is still under processing, won't clear the dead server list"); response.addAllServerName(request.getServerNameList()); } else { for (HBaseProtos.ServerName pbServer : request.getServerNameList()) { if ( !master.getServerManager().getDeadServers() .removeDeadServer(ProtobufUtil.toServerName(pbServer)) ) { response.addServerName(pbServer); } } } if (master.cpHost != null) { master.cpHost.postClearDeadServers( ProtobufUtil.toServerNameList(request.getServerNameList()), ProtobufUtil.toServerNameList(response.getServerNameList())); } } catch (IOException io) { throw new ServiceException(io); } return response.build(); } @Override public ReportProcedureDoneResponse reportProcedureDone(RpcController controller, ReportProcedureDoneRequest request) throws ServiceException { // Check Masters is up and ready for duty before progressing. Remote side will keep trying. try { this.master.checkServiceStarted(); } catch (ServerNotRunningYetException snrye) { throw new ServiceException(snrye); } request.getResultList().forEach(result -> { if (result.getStatus() == RemoteProcedureResult.Status.SUCCESS) { master.remoteProcedureCompleted(result.getProcId()); } else { master.remoteProcedureFailed(result.getProcId(), RemoteProcedureException.fromProto(result.getError())); } }); return ReportProcedureDoneResponse.getDefaultInstance(); } // HBCK Services @Override public RunHbckChoreResponse runHbckChore(RpcController c, RunHbckChoreRequest req) throws ServiceException { rpcPreCheck("runHbckChore"); LOG.info("{} request HBCK chore to run", master.getClientIdAuditPrefix()); HbckChore hbckChore = master.getHbckChore(); boolean ran = hbckChore.runChore(); return RunHbckChoreResponse.newBuilder().setRan(ran).build(); } /** * Update state of the table in meta only. This is required by hbck in some situations to cleanup * stuck assign/ unassign regions procedures for the table. * @return previous state of the table */ @Override public GetTableStateResponse setTableStateInMeta(RpcController controller, SetTableStateInMetaRequest request) throws ServiceException { rpcPreCheck("setTableStateInMeta"); TableName tn = ProtobufUtil.toTableName(request.getTableName()); try { TableState prevState = this.master.getTableStateManager().getTableState(tn); TableState newState = TableState.convert(tn, request.getTableState()); LOG.info("{} set table={} state from {} to {}", master.getClientIdAuditPrefix(), tn, prevState.getState(), newState.getState()); this.master.getTableStateManager().setTableState(tn, newState.getState()); return GetTableStateResponse.newBuilder().setTableState(prevState.convert()).build(); } catch (Exception e) { throw new ServiceException(e); } } /** * Update state of the region in meta only. This is required by hbck in some situations to cleanup * stuck assign/ unassign regions procedures for the table. * @return previous states of the regions */ @Override public SetRegionStateInMetaResponse setRegionStateInMeta(RpcController controller, SetRegionStateInMetaRequest request) throws ServiceException { rpcPreCheck("setRegionStateInMeta"); SetRegionStateInMetaResponse.Builder builder = SetRegionStateInMetaResponse.newBuilder(); try { for (RegionSpecifierAndState s : request.getStatesList()) { RegionSpecifier spec = s.getRegionSpecifier(); String encodedName; if (spec.getType() == RegionSpecifierType.ENCODED_REGION_NAME) { encodedName = spec.getValue().toStringUtf8(); } else { // TODO: actually, a full region name can save a lot on meta scan, improve later. encodedName = RegionInfo.encodeRegionName(spec.getValue().toByteArray()); } RegionInfo info = this.master.getAssignmentManager().loadRegionFromMeta(encodedName); LOG.trace("region info loaded from meta table: {}", info); RegionState prevState = this.master.getAssignmentManager().getRegionStates().getRegionState(info); RegionState.State newState = RegionState.State.convert(s.getState()); LOG.info("{} set region={} state from {} to {}", master.getClientIdAuditPrefix(), info, prevState.getState(), newState); Put metaPut = MetaTableAccessor.makePutFromRegionInfo(info, EnvironmentEdgeManager.currentTime()); metaPut.addColumn(HConstants.CATALOG_FAMILY, HConstants.STATE_QUALIFIER, Bytes.toBytes(newState.name())); List putList = new ArrayList<>(); putList.add(metaPut); MetaTableAccessor.putsToMetaTable(this.master.getConnection(), putList); // Loads from meta again to refresh AM cache with the new region state this.master.getAssignmentManager().loadRegionFromMeta(encodedName); builder.addStates(RegionSpecifierAndState.newBuilder().setRegionSpecifier(spec) .setState(prevState.getState().convert())); } } catch (Exception e) { throw new ServiceException(e); } return builder.build(); } /** * Get RegionInfo from Master using content of RegionSpecifier as key. * @return RegionInfo found by decoding rs or null if none found */ private RegionInfo getRegionInfo(HBaseProtos.RegionSpecifier rs) throws UnknownRegionException { RegionInfo ri = null; switch (rs.getType()) { case REGION_NAME: final byte[] regionName = rs.getValue().toByteArray(); ri = this.master.getAssignmentManager().getRegionInfo(regionName); break; case ENCODED_REGION_NAME: String encodedRegionName = Bytes.toString(rs.getValue().toByteArray()); RegionState regionState = this.master.getAssignmentManager().getRegionStates().getRegionState(encodedRegionName); ri = regionState == null ? this.master.getAssignmentManager().loadRegionFromMeta(encodedRegionName) : regionState.getRegion(); break; default: break; } return ri; } /** * @throws ServiceException If no MasterProcedureExecutor */ private void checkMasterProcedureExecutor() throws ServiceException { if (this.master.getMasterProcedureExecutor() == null) { throw new ServiceException("Master's ProcedureExecutor not initialized; retry later"); } } /** * A 'raw' version of assign that does bulk and can skirt Master state checks if override is set; * i.e. assigns can be forced during Master startup or if RegionState is unclean. Used by HBCK2. */ @Override public MasterProtos.AssignsResponse assigns(RpcController controller, MasterProtos.AssignsRequest request) throws ServiceException { checkMasterProcedureExecutor(); MasterProtos.AssignsResponse.Builder responseBuilder = MasterProtos.AssignsResponse.newBuilder(); try { boolean override = request.getOverride(); LOG.info("{} assigns, override={}", master.getClientIdAuditPrefix(), override); for (HBaseProtos.RegionSpecifier rs : request.getRegionList()) { long pid = Procedure.NO_PROC_ID; RegionInfo ri = getRegionInfo(rs); if (ri == null) { LOG.info("Unknown={}", rs); } else { Procedure p = this.master.getAssignmentManager().createOneAssignProcedure(ri, override); if (p != null) { pid = this.master.getMasterProcedureExecutor().submitProcedure(p); } } responseBuilder.addPid(pid); } return responseBuilder.build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } /** * A 'raw' version of unassign that does bulk and can skirt Master state checks if override is * set; i.e. unassigns can be forced during Master startup or if RegionState is unclean. Used by * HBCK2. */ @Override public MasterProtos.UnassignsResponse unassigns(RpcController controller, MasterProtos.UnassignsRequest request) throws ServiceException { checkMasterProcedureExecutor(); MasterProtos.UnassignsResponse.Builder responseBuilder = MasterProtos.UnassignsResponse.newBuilder(); try { boolean override = request.getOverride(); LOG.info("{} unassigns, override={}", master.getClientIdAuditPrefix(), override); for (HBaseProtos.RegionSpecifier rs : request.getRegionList()) { long pid = Procedure.NO_PROC_ID; RegionInfo ri = getRegionInfo(rs); if (ri == null) { LOG.info("Unknown={}", rs); } else { Procedure p = this.master.getAssignmentManager().createOneUnassignProcedure(ri, override); if (p != null) { pid = this.master.getMasterProcedureExecutor().submitProcedure(p); } } responseBuilder.addPid(pid); } return responseBuilder.build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } /** * Bypass specified procedure to completion. Procedure is marked completed but no actual work is * done from the current state/ step onwards. Parents of the procedure are also marked for bypass. * NOTE: this is a dangerous operation and may be used to unstuck buggy procedures. This may leave * system in inconherent state. This may need to be followed by some cleanup steps/ actions by * operator. * @return BypassProcedureToCompletionResponse indicating success or failure */ @Override public MasterProtos.BypassProcedureResponse bypassProcedure(RpcController controller, MasterProtos.BypassProcedureRequest request) throws ServiceException { try { LOG.info("{} bypass procedures={}, waitTime={}, override={}, recursive={}", master.getClientIdAuditPrefix(), request.getProcIdList(), request.getWaitTime(), request.getOverride(), request.getRecursive()); List ret = master.getMasterProcedureExecutor().bypassProcedure(request.getProcIdList(), request.getWaitTime(), request.getOverride(), request.getRecursive()); return MasterProtos.BypassProcedureResponse.newBuilder().addAllBypassed(ret).build(); } catch (IOException e) { throw new ServiceException(e); } } @Override public MasterProtos.ScheduleServerCrashProcedureResponse scheduleServerCrashProcedure( RpcController controller, MasterProtos.ScheduleServerCrashProcedureRequest request) throws ServiceException { List pids = new ArrayList<>(); for (HBaseProtos.ServerName sn : request.getServerNameList()) { ServerName serverName = ProtobufUtil.toServerName(sn); LOG.info("{} schedule ServerCrashProcedure for {}", this.master.getClientIdAuditPrefix(), serverName); if (shouldSubmitSCP(serverName)) { pids.add(this.master.getServerManager().expireServer(serverName, true)); } else { pids.add(Procedure.NO_PROC_ID); } } return MasterProtos.ScheduleServerCrashProcedureResponse.newBuilder().addAllPid(pids).build(); } @Override public MasterProtos.ScheduleSCPsForUnknownServersResponse scheduleSCPsForUnknownServers( RpcController controller, MasterProtos.ScheduleSCPsForUnknownServersRequest request) throws ServiceException { List pids = new ArrayList<>(); final Set serverNames = master.getAssignmentManager().getRegionStates() .getRegionStates().stream().map(RegionState::getServerName).collect(Collectors.toSet()); final Set unknownServerNames = serverNames.stream() .filter(sn -> master.getServerManager().isServerUnknown(sn)).collect(Collectors.toSet()); for (ServerName sn : unknownServerNames) { LOG.info("{} schedule ServerCrashProcedure for unknown {}", this.master.getClientIdAuditPrefix(), sn); if (shouldSubmitSCP(sn)) { pids.add(this.master.getServerManager().expireServer(sn, true)); } else { pids.add(Procedure.NO_PROC_ID); } } return MasterProtos.ScheduleSCPsForUnknownServersResponse.newBuilder().addAllPid(pids).build(); } @Override public FixMetaResponse fixMeta(RpcController controller, FixMetaRequest request) throws ServiceException { rpcPreCheck("fixMeta"); try { MetaFixer mf = new MetaFixer(this.master); mf.fix(); return FixMetaResponse.newBuilder().build(); } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public SwitchRpcThrottleResponse switchRpcThrottle(RpcController controller, SwitchRpcThrottleRequest request) throws ServiceException { try { master.checkInitialized(); return master.getMasterQuotaManager().switchRpcThrottle(request); } catch (Exception e) { throw new ServiceException(e); } } @Override public MasterProtos.IsRpcThrottleEnabledResponse isRpcThrottleEnabled(RpcController controller, MasterProtos.IsRpcThrottleEnabledRequest request) throws ServiceException { try { master.checkInitialized(); return master.getMasterQuotaManager().isRpcThrottleEnabled(request); } catch (Exception e) { throw new ServiceException(e); } } @Override public SwitchExceedThrottleQuotaResponse switchExceedThrottleQuota(RpcController controller, SwitchExceedThrottleQuotaRequest request) throws ServiceException { try { master.checkInitialized(); return master.getMasterQuotaManager().switchExceedThrottleQuota(request); } catch (Exception e) { throw new ServiceException(e); } } @Override public FileArchiveNotificationResponse reportFileArchival(RpcController controller, FileArchiveNotificationRequest request) throws ServiceException { try { master.checkInitialized(); if (!QuotaUtil.isQuotaEnabled(master.getConfiguration())) { return FileArchiveNotificationResponse.newBuilder().build(); } master.getMasterQuotaManager().processFileArchivals(request, master.getConnection(), master.getConfiguration(), master.getFileSystem()); return FileArchiveNotificationResponse.newBuilder().build(); } catch (Exception e) { throw new ServiceException(e); } } @Override public GrantResponse grant(RpcController controller, GrantRequest request) throws ServiceException { try { master.checkInitialized(); if (master.cpHost != null && hasAccessControlServiceCoprocessor(master.cpHost)) { final UserPermission perm = ShadedAccessControlUtil.toUserPermission(request.getUserPermission()); boolean mergeExistingPermissions = request.getMergeExistingPermissions(); master.cpHost.preGrant(perm, mergeExistingPermissions); try (Table table = master.getConnection().getTable(PermissionStorage.ACL_TABLE_NAME)) { PermissionStorage.addUserPermission(getConfiguration(), perm, table, mergeExistingPermissions); } master.cpHost.postGrant(perm, mergeExistingPermissions); User caller = RpcServer.getRequestUser().orElse(null); if (AUDITLOG.isTraceEnabled()) { // audit log should store permission changes in addition to auth results String remoteAddress = RpcServer.getRemoteAddress().map(InetAddress::toString).orElse(""); AUDITLOG.trace("User {} (remote address: {}) granted permission {}", caller, remoteAddress, perm); } return GrantResponse.getDefaultInstance(); } else { throw new DoNotRetryIOException( new UnsupportedOperationException(AccessController.class.getName() + " is not loaded")); } } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public RevokeResponse revoke(RpcController controller, RevokeRequest request) throws ServiceException { try { master.checkInitialized(); if (master.cpHost != null && hasAccessControlServiceCoprocessor(master.cpHost)) { final UserPermission userPermission = ShadedAccessControlUtil.toUserPermission(request.getUserPermission()); master.cpHost.preRevoke(userPermission); try (Table table = master.getConnection().getTable(PermissionStorage.ACL_TABLE_NAME)) { PermissionStorage.removeUserPermission(master.getConfiguration(), userPermission, table); } master.cpHost.postRevoke(userPermission); User caller = RpcServer.getRequestUser().orElse(null); if (AUDITLOG.isTraceEnabled()) { // audit log should record all permission changes String remoteAddress = RpcServer.getRemoteAddress().map(InetAddress::toString).orElse(""); AUDITLOG.trace("User {} (remote address: {}) revoked permission {}", caller, remoteAddress, userPermission); } return RevokeResponse.getDefaultInstance(); } else { throw new DoNotRetryIOException( new UnsupportedOperationException(AccessController.class.getName() + " is not loaded")); } } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public GetUserPermissionsResponse getUserPermissions(RpcController controller, GetUserPermissionsRequest request) throws ServiceException { try { master.checkInitialized(); if (master.cpHost != null && hasAccessControlServiceCoprocessor(master.cpHost)) { final String userName = request.hasUserName() ? request.getUserName().toStringUtf8() : null; String namespace = request.hasNamespaceName() ? request.getNamespaceName().toStringUtf8() : null; TableName table = request.hasTableName() ? ProtobufUtil.toTableName(request.getTableName()) : null; byte[] cf = request.hasColumnFamily() ? request.getColumnFamily().toByteArray() : null; byte[] cq = request.hasColumnQualifier() ? request.getColumnQualifier().toByteArray() : null; Type permissionType = request.hasType() ? request.getType() : null; master.getMasterCoprocessorHost().preGetUserPermissions(userName, namespace, table, cf, cq); List perms = null; if (permissionType == Type.Table) { boolean filter = (cf != null || userName != null) ? true : false; perms = PermissionStorage.getUserTablePermissions(master.getConfiguration(), table, cf, cq, userName, filter); } else if (permissionType == Type.Namespace) { perms = PermissionStorage.getUserNamespacePermissions(master.getConfiguration(), namespace, userName, userName != null ? true : false); } else { perms = PermissionStorage.getUserPermissions(master.getConfiguration(), null, null, null, userName, userName != null ? true : false); // Skip super users when filter user is specified if (userName == null) { // Adding superusers explicitly to the result set as PermissionStorage do not store // them. Also using acl as table name to be inline with the results of global admin and // will help in avoiding any leakage of information about being superusers. for (String user : Superusers.getSuperUsers()) { perms.add(new UserPermission(user, Permission.newBuilder().withActions(Action.values()).build())); } } } master.getMasterCoprocessorHost().postGetUserPermissions(userName, namespace, table, cf, cq); AccessControlProtos.GetUserPermissionsResponse response = ShadedAccessControlUtil.buildGetUserPermissionsResponse(perms); return response; } else { throw new DoNotRetryIOException( new UnsupportedOperationException(AccessController.class.getName() + " is not loaded")); } } catch (IOException ioe) { throw new ServiceException(ioe); } } @Override public HasUserPermissionsResponse hasUserPermissions(RpcController controller, HasUserPermissionsRequest request) throws ServiceException { try { master.checkInitialized(); if (master.cpHost != null && hasAccessControlServiceCoprocessor(master.cpHost)) { User caller = RpcServer.getRequestUser().orElse(null); String userName = request.hasUserName() ? request.getUserName().toStringUtf8() : caller.getShortName(); List permissions = new ArrayList<>(); for (int i = 0; i < request.getPermissionCount(); i++) { permissions.add(ShadedAccessControlUtil.toPermission(request.getPermission(i))); } master.getMasterCoprocessorHost().preHasUserPermissions(userName, permissions); if (!caller.getShortName().equals(userName)) { List groups = AccessChecker.getUserGroups(userName); caller = new InputUser(userName, groups.toArray(new String[groups.size()])); } List hasUserPermissions = new ArrayList<>(); if (getAccessChecker() != null) { for (Permission permission : permissions) { boolean hasUserPermission = getAccessChecker().hasUserPermission(caller, "hasUserPermissions", permission); hasUserPermissions.add(hasUserPermission); } } else { for (int i = 0; i < permissions.size(); i++) { hasUserPermissions.add(true); } } master.getMasterCoprocessorHost().postHasUserPermissions(userName, permissions); HasUserPermissionsResponse.Builder builder = HasUserPermissionsResponse.newBuilder().addAllHasUserPermission(hasUserPermissions); return builder.build(); } else { throw new DoNotRetryIOException( new UnsupportedOperationException(AccessController.class.getName() + " is not loaded")); } } catch (IOException ioe) { throw new ServiceException(ioe); } } private boolean containMetaWals(ServerName serverName) throws IOException { Path logDir = new Path(master.getWALRootDir(), AbstractFSWALProvider.getWALDirectoryName(serverName.toString())); Path splitDir = logDir.suffix(AbstractFSWALProvider.SPLITTING_EXT); Path checkDir = master.getFileSystem().exists(splitDir) ? splitDir : logDir; try { return master.getFileSystem().listStatus(checkDir, META_FILTER).length > 0; } catch (FileNotFoundException fnfe) { // If no files, then we don't contain metas; was failing schedule of // SCP because this was FNFE'ing when no server dirs ('Unknown Server'). LOG.warn("No dir for WALs for {}; continuing", serverName.toString()); return false; } } private boolean shouldSubmitSCP(ServerName serverName) { // check if there is already a SCP of this server running List> procedures = master.getMasterProcedureExecutor().getProcedures(); for (Procedure procedure : procedures) { if (procedure instanceof ServerCrashProcedure) { if ( serverName.compareTo(((ServerCrashProcedure) procedure).getServerName()) == 0 && !procedure.isFinished() ) { LOG.info("there is already a SCP of this server {} running, pid {}", serverName, procedure.getProcId()); return false; } } } return true; } @Override public HBaseProtos.LogEntry getLogEntries(RpcController controller, HBaseProtos.LogRequest request) throws ServiceException { try { final String logClassName = request.getLogClassName(); Class logClass = Class.forName(logClassName).asSubclass(Message.class); Method method = logClass.getMethod("parseFrom", ByteString.class); if (logClassName.contains("BalancerDecisionsRequest")) { MasterProtos.BalancerDecisionsRequest balancerDecisionsRequest = (MasterProtos.BalancerDecisionsRequest) method.invoke(null, request.getLogMessage()); MasterProtos.BalancerDecisionsResponse balancerDecisionsResponse = getBalancerDecisions(balancerDecisionsRequest); return HBaseProtos.LogEntry.newBuilder() .setLogClassName(balancerDecisionsResponse.getClass().getName()) .setLogMessage(balancerDecisionsResponse.toByteString()).build(); } else if (logClassName.contains("BalancerRejectionsRequest")) { MasterProtos.BalancerRejectionsRequest balancerRejectionsRequest = (MasterProtos.BalancerRejectionsRequest) method.invoke(null, request.getLogMessage()); MasterProtos.BalancerRejectionsResponse balancerRejectionsResponse = getBalancerRejections(balancerRejectionsRequest); return HBaseProtos.LogEntry.newBuilder() .setLogClassName(balancerRejectionsResponse.getClass().getName()) .setLogMessage(balancerRejectionsResponse.toByteString()).build(); } } catch (ClassNotFoundException | NoSuchMethodException | IllegalAccessException | InvocationTargetException e) { LOG.error("Error while retrieving log entries.", e); throw new ServiceException(e); } throw new ServiceException("Invalid request params"); } private MasterProtos.BalancerDecisionsResponse getBalancerDecisions(MasterProtos.BalancerDecisionsRequest request) { final NamedQueueRecorder namedQueueRecorder = this.regionServer.getNamedQueueRecorder(); if (namedQueueRecorder == null) { return MasterProtos.BalancerDecisionsResponse.newBuilder() .addAllBalancerDecision(Collections.emptyList()).build(); } final NamedQueueGetRequest namedQueueGetRequest = new NamedQueueGetRequest(); namedQueueGetRequest.setNamedQueueEvent(BalancerDecisionDetails.BALANCER_DECISION_EVENT); namedQueueGetRequest.setBalancerDecisionsRequest(request); NamedQueueGetResponse namedQueueGetResponse = namedQueueRecorder.getNamedQueueRecords(namedQueueGetRequest); List balancerDecisions = namedQueueGetResponse != null ? namedQueueGetResponse.getBalancerDecisions() : Collections.emptyList(); return MasterProtos.BalancerDecisionsResponse.newBuilder() .addAllBalancerDecision(balancerDecisions).build(); } private MasterProtos.BalancerRejectionsResponse getBalancerRejections(MasterProtos.BalancerRejectionsRequest request) { final NamedQueueRecorder namedQueueRecorder = this.regionServer.getNamedQueueRecorder(); if (namedQueueRecorder == null) { return MasterProtos.BalancerRejectionsResponse.newBuilder() .addAllBalancerRejection(Collections.emptyList()).build(); } final NamedQueueGetRequest namedQueueGetRequest = new NamedQueueGetRequest(); namedQueueGetRequest.setNamedQueueEvent(BalancerRejectionDetails.BALANCER_REJECTION_EVENT); namedQueueGetRequest.setBalancerRejectionsRequest(request); NamedQueueGetResponse namedQueueGetResponse = namedQueueRecorder.getNamedQueueRecords(namedQueueGetRequest); List balancerRejections = namedQueueGetResponse != null ? namedQueueGetResponse.getBalancerRejections() : Collections.emptyList(); return MasterProtos.BalancerRejectionsResponse.newBuilder() .addAllBalancerRejection(balancerRejections).build(); } }





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