| /** |
| * 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.rsgroup; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.TableNotFoundException; |
| import org.apache.hadoop.hbase.classification.InterfaceAudience; |
| import org.apache.hadoop.hbase.client.Admin; |
| import org.apache.hadoop.hbase.client.Connection; |
| import org.apache.hadoop.hbase.net.Address; |
| import org.apache.hadoop.hbase.protobuf.ProtobufUtil; |
| import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.AddRSGroupRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.BalanceRSGroupRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfServerRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfServerResponse; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfTableRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfTableResponse; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoResponse; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.ListRSGroupInfosRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersAndTablesRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveTablesRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RSGroupAdminService; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveRSGroupRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveServersRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RenameRSGroupRequest; |
| import org.apache.hadoop.hbase.protobuf.generated.RSGroupProtos; |
| |
| import com.google.common.collect.Sets; |
| import com.google.protobuf.ServiceException; |
| |
| /** |
| * Client used for managing region server group information. |
| */ |
| @InterfaceAudience.Private |
| public class RSGroupAdminClient implements RSGroupAdmin { |
| private RSGroupAdminService.BlockingInterface stub; |
| private Admin admin; |
| |
| public RSGroupAdminClient(Connection conn) throws IOException { |
| admin = conn.getAdmin(); |
| stub = RSGroupAdminService.newBlockingStub(admin.coprocessorService()); |
| } |
| |
| @Override |
| public RSGroupInfo getRSGroupInfo(String groupName) throws IOException { |
| try { |
| GetRSGroupInfoResponse resp = stub.getRSGroupInfo(null, |
| GetRSGroupInfoRequest.newBuilder().setRSGroupName(groupName).build()); |
| if(resp.hasRSGroupInfo()) { |
| return RSGroupProtobufUtil.toGroupInfo(resp.getRSGroupInfo()); |
| } |
| return null; |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public RSGroupInfo getRSGroupInfoOfTable(TableName tableName) throws IOException { |
| GetRSGroupInfoOfTableRequest request = GetRSGroupInfoOfTableRequest.newBuilder().setTableName( |
| ProtobufUtil.toProtoTableName(tableName)).build(); |
| try { |
| GetRSGroupInfoOfTableResponse resp = stub.getRSGroupInfoOfTable(null, request); |
| if (resp.hasRSGroupInfo()) { |
| return RSGroupProtobufUtil.toGroupInfo(resp.getRSGroupInfo()); |
| } |
| return null; |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public void moveServers(Set<Address> servers, String targetGroup) throws IOException { |
| Set<HBaseProtos.ServerName> hostPorts = Sets.newHashSet(); |
| for(Address el: servers) { |
| hostPorts.add(HBaseProtos.ServerName.newBuilder() |
| .setHostName(el.getHostname()) |
| .setPort(el.getPort()) |
| .build()); |
| } |
| MoveServersRequest request = MoveServersRequest.newBuilder() |
| .setTargetGroup(targetGroup) |
| .addAllServers(hostPorts) |
| .build(); |
| try { |
| stub.moveServers(null, request); |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public void moveTables(Set<TableName> tables, String targetGroup) throws IOException { |
| MoveTablesRequest.Builder builder = MoveTablesRequest.newBuilder().setTargetGroup(targetGroup); |
| for(TableName tableName: tables) { |
| builder.addTableName(ProtobufUtil.toProtoTableName(tableName)); |
| if (!admin.tableExists(tableName)) { |
| throw new TableNotFoundException(tableName); |
| } |
| } |
| try { |
| stub.moveTables(null, builder.build()); |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public void addRSGroup(String groupName) throws IOException { |
| AddRSGroupRequest request = AddRSGroupRequest.newBuilder().setRSGroupName(groupName).build(); |
| try { |
| stub.addRSGroup(null, request); |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public void removeRSGroup(String name) throws IOException { |
| RemoveRSGroupRequest request = RemoveRSGroupRequest.newBuilder().setRSGroupName(name).build(); |
| try { |
| stub.removeRSGroup(null, request); |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public boolean balanceRSGroup(String groupName) throws IOException { |
| BalanceRSGroupRequest request = BalanceRSGroupRequest.newBuilder() |
| .setRSGroupName(groupName).build(); |
| try { |
| return stub.balanceRSGroup(null, request).getBalanceRan(); |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public List<RSGroupInfo> listRSGroups() throws IOException { |
| try { |
| List<RSGroupProtos.RSGroupInfo> resp = stub.listRSGroupInfos(null, |
| ListRSGroupInfosRequest.getDefaultInstance()).getRSGroupInfoList(); |
| List<RSGroupInfo> result = new ArrayList<>(resp.size()); |
| for(RSGroupProtos.RSGroupInfo entry : resp) { |
| result.add(RSGroupProtobufUtil.toGroupInfo(entry)); |
| } |
| return result; |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public RSGroupInfo getRSGroupOfServer(Address hostPort) throws IOException { |
| GetRSGroupInfoOfServerRequest request = GetRSGroupInfoOfServerRequest.newBuilder() |
| .setServer(HBaseProtos.ServerName.newBuilder() |
| .setHostName(hostPort.getHostname()) |
| .setPort(hostPort.getPort()) |
| .build()) |
| .build(); |
| try { |
| GetRSGroupInfoOfServerResponse resp = stub.getRSGroupInfoOfServer(null, request); |
| if (resp.hasRSGroupInfo()) { |
| return RSGroupProtobufUtil.toGroupInfo(resp.getRSGroupInfo()); |
| } |
| return null; |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public void moveServersAndTables(Set<Address> servers, Set<TableName> tables, String targetGroup) |
| throws IOException { |
| MoveServersAndTablesRequest.Builder builder = |
| MoveServersAndTablesRequest.newBuilder().setTargetGroup(targetGroup); |
| for(Address el: servers) { |
| builder.addServers(HBaseProtos.ServerName.newBuilder() |
| .setHostName(el.getHostname()) |
| .setPort(el.getPort()) |
| .build()); |
| } |
| for(TableName tableName: tables) { |
| builder.addTableName(ProtobufUtil.toProtoTableName(tableName)); |
| if (!admin.tableExists(tableName)) { |
| throw new TableNotFoundException(tableName); |
| } |
| } |
| try { |
| stub.moveServersAndTables(null, builder.build()); |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public void removeServers(Set<Address> servers) throws IOException { |
| Set<HBaseProtos.ServerName> hostPorts = Sets.newHashSet(); |
| for(Address el: servers) { |
| hostPorts.add(HBaseProtos.ServerName.newBuilder() |
| .setHostName(el.getHostname()) |
| .setPort(el.getPort()) |
| .build()); |
| } |
| RemoveServersRequest request = RemoveServersRequest.newBuilder() |
| .addAllServers(hostPorts) |
| .build(); |
| try { |
| stub.removeServers(null, request); |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public void renameRSGroup(String oldName, String newName) throws IOException { |
| RenameRSGroupRequest request = RenameRSGroupRequest.newBuilder() |
| .setOldRsgroupName(oldName) |
| .setNewRsgroupName(newName).build(); |
| try { |
| stub.renameRSGroup(null, request); |
| } catch (ServiceException e) { |
| throw ProtobufUtil.handleRemoteException(e); |
| } |
| } |
| |
| @Override |
| public void close() throws IOException { |
| } |
| } |