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HBASE-23081 Add an option to enable/disable rs group feature (apache#691
) Signed-off-by: Peter Somogyi <[email protected]>
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hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/DisabledRSGroupInfoManager.java
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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.rsgroup; | ||
|
|
||
| import java.io.IOException; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.SortedSet; | ||
| import java.util.TreeSet; | ||
| import org.apache.hadoop.hbase.DoNotRetryIOException; | ||
| import org.apache.hadoop.hbase.ServerName; | ||
| import org.apache.hadoop.hbase.TableName; | ||
| import org.apache.hadoop.hbase.master.ServerManager; | ||
| import org.apache.hadoop.hbase.net.Address; | ||
| import org.apache.yetus.audience.InterfaceAudience; | ||
|
|
||
| /** | ||
| * A dummy RSGroupInfoManager which only contains a default rs group. | ||
| */ | ||
| @InterfaceAudience.Private | ||
| class DisabledRSGroupInfoManager implements RSGroupInfoManager { | ||
|
|
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| private final ServerManager serverManager; | ||
|
|
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| public DisabledRSGroupInfoManager(ServerManager serverManager) { | ||
| this.serverManager = serverManager; | ||
| } | ||
|
|
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| @Override | ||
| public void start() { | ||
| } | ||
|
|
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| @Override | ||
| public void addRSGroup(RSGroupInfo rsGroupInfo) throws IOException { | ||
| throw new DoNotRetryIOException("RSGroup is disabled"); | ||
| } | ||
|
|
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| @Override | ||
| public void removeRSGroup(String groupName) throws IOException { | ||
| throw new DoNotRetryIOException("RSGroup is disabled"); | ||
| } | ||
|
|
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| @Override | ||
| public Set<Address> moveServers(Set<Address> servers, String srcGroup, String dstGroup) | ||
| throws IOException { | ||
| throw new DoNotRetryIOException("RSGroup is disabled"); | ||
| } | ||
|
|
||
| private SortedSet<Address> getOnlineServers() { | ||
| SortedSet<Address> onlineServers = new TreeSet<Address>(); | ||
| serverManager.getOnlineServers().keySet().stream().map(ServerName::getAddress) | ||
| .forEach(onlineServers::add); | ||
| return onlineServers; | ||
| } | ||
|
|
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| @Override | ||
| public RSGroupInfo getRSGroupOfServer(Address serverHostPort) throws IOException { | ||
| SortedSet<Address> onlineServers = getOnlineServers(); | ||
| if (onlineServers.contains(serverHostPort)) { | ||
| return new RSGroupInfo(RSGroupInfo.DEFAULT_GROUP, onlineServers); | ||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| public RSGroupInfo getRSGroup(String groupName) throws IOException { | ||
| if (RSGroupInfo.DEFAULT_GROUP.equals(groupName)) { | ||
| return new RSGroupInfo(RSGroupInfo.DEFAULT_GROUP, getOnlineServers()); | ||
| } else { | ||
| return null; | ||
| } | ||
| } | ||
|
|
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| @Override | ||
| public List<RSGroupInfo> listRSGroups() throws IOException { | ||
| return Arrays.asList(new RSGroupInfo(RSGroupInfo.DEFAULT_GROUP, getOnlineServers())); | ||
| } | ||
|
|
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| @Override | ||
| public boolean isOnline() { | ||
| return true; | ||
| } | ||
|
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| @Override | ||
| public void removeServers(Set<Address> servers) throws IOException { | ||
| } | ||
|
|
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| @Override | ||
| public RSGroupInfo getRSGroupForTable(TableName tableName) throws IOException { | ||
| return null; | ||
| } | ||
| } |
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