001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.master.procedure;
019
020import java.io.IOException;
021import java.util.Optional;
022import org.apache.hadoop.hbase.ServerName;
023import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
024import org.apache.hadoop.hbase.procedure2.RemoteProcedureDispatcher;
025import org.apache.hadoop.hbase.regionserver.ReloadQuotasCallable;
026import org.apache.hadoop.hbase.util.ForeignExceptionUtil;
027import org.apache.yetus.audience.InterfaceAudience;
028
029import org.apache.hbase.thirdparty.com.google.common.base.Throwables;
030
031import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
032import org.apache.hadoop.hbase.shaded.protobuf.generated.ErrorHandlingProtos;
033import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;
034
035@InterfaceAudience.Private
036public class ReloadQuotasProcedure extends ServerRemoteProcedure
037  implements ServerProcedureInterface {
038
039  public ReloadQuotasProcedure() {
040  }
041
042  public ReloadQuotasProcedure(ServerName targetServer) {
043    this.targetServer = targetServer;
044  }
045
046  @Override
047  protected boolean complete(MasterProcedureEnv env, Throwable error) {
048    if (error != null && containsCause(error, ClassNotFoundException.class)) {
049      LOG.warn(
050        "Failed to reload quotas on server {}, but will allow this procedure to complete. The RegionServer may be on an older version of HBase that does not support ReloadQuotasProcedure.",
051        targetServer);
052      return true;
053    } else if (error != null) {
054      LOG.error("Failed to reload quotas on server {}", targetServer, error);
055      return false;
056    } else {
057      return true;
058    }
059  }
060
061  /** visibility for testing */
062  boolean containsCause(Throwable t, Class<? extends Throwable> causeClass) {
063    return Throwables.getCausalChain(t).stream().anyMatch(causeClass::isInstance);
064  }
065
066  @Override
067  protected void rollback(MasterProcedureEnv env) throws IOException, InterruptedException {
068    throw new UnsupportedOperationException();
069  }
070
071  @Override
072  protected boolean abort(MasterProcedureEnv env) {
073    return false;
074  }
075
076  @Override
077  protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {
078    MasterProcedureProtos.ReloadQuotasProcedureStateData.Builder builder =
079      MasterProcedureProtos.ReloadQuotasProcedureStateData.newBuilder();
080    if (this.remoteError != null) {
081      ErrorHandlingProtos.ForeignExceptionMessage fem =
082        ForeignExceptionUtil.toProtoForeignException(remoteError);
083      builder.setError(fem);
084    }
085    serializer.serialize(builder.setTargetServer(ProtobufUtil.toServerName(targetServer)).build());
086  }
087
088  @Override
089  protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {
090    MasterProcedureProtos.ReloadQuotasProcedureStateData data =
091      serializer.deserialize(MasterProcedureProtos.ReloadQuotasProcedureStateData.class);
092    this.targetServer = ProtobufUtil.toServerName(data.getTargetServer());
093    if (data.hasError()) {
094      this.remoteError = ForeignExceptionUtil.toException(data.getError());
095    }
096  }
097
098  @Override
099  public Optional<RemoteProcedureDispatcher.RemoteOperation> remoteCallBuild(MasterProcedureEnv env,
100    ServerName serverName) {
101    if (!serverName.equals(targetServer)) {
102      throw new IllegalArgumentException(
103        "ReloadQuotasProcedure#remoteCallBuild called with unexpected serverName: " + serverName
104          + " != " + targetServer);
105    }
106    return Optional.of(new RSProcedureDispatcher.ServerOperation(this, getProcId(),
107      ReloadQuotasCallable.class, new byte[] {}, env.getMasterServices().getMasterActiveTime()));
108  }
109
110  @Override
111  public ServerName getServerName() {
112    return targetServer;
113  }
114
115  @Override
116  public boolean hasMetaTableRegion() {
117    return false;
118  }
119
120  @Override
121  public ServerOperationType getServerOperationType() {
122    return ServerOperationType.RELOAD_QUOTAS;
123  }
124}