| /* |
| * 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.regionserver; |
| |
| import java.io.IOException; |
| import java.net.InetAddress; |
| import java.util.Optional; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.CompatibilitySingletonFactory; |
| import org.apache.hadoop.hbase.ipc.RpcServer; |
| import org.apache.hadoop.hbase.security.User; |
| import org.apache.hadoop.hbase.security.UserProvider; |
| import org.apache.hadoop.hbase.util.LossyCounting; |
| import org.apache.yetus.audience.InterfaceAudience; |
| |
| @InterfaceAudience.Private |
| public class MetricsUserAggregateImpl implements MetricsUserAggregate{ |
| |
| /** Provider for mapping principal names to Users */ |
| private final UserProvider userProvider; |
| |
| private final MetricsUserAggregateSource source; |
| private final LossyCounting<MetricsUserSource> userMetricLossyCounting; |
| |
| public MetricsUserAggregateImpl(Configuration conf) { |
| source = CompatibilitySingletonFactory.getInstance(MetricsRegionServerSourceFactory.class) |
| .getUserAggregate(); |
| userMetricLossyCounting = new LossyCounting<>("userMetrics", conf, source::deregister); |
| this.userProvider = UserProvider.instantiate(conf); |
| } |
| |
| /** |
| * Returns the active user to which authorization checks should be applied. |
| * If we are in the context of an RPC call, the remote user is used, |
| * otherwise the currently logged in user is used. |
| */ |
| private String getActiveUser() { |
| Optional<User> user = RpcServer.getRequestUser(); |
| if (!user.isPresent()) { |
| // for non-rpc handling, fallback to system user |
| try { |
| user = Optional.of(userProvider.getCurrent()); |
| } catch (IOException ignore) { |
| } |
| } |
| return user.map(User::getShortName).orElse(null); |
| } |
| |
| @Override |
| public MetricsUserAggregateSource getSource() { |
| return source; |
| } |
| |
| @Override |
| public void updatePut(long t) { |
| String user = getActiveUser(); |
| if (user != null) { |
| MetricsUserSource userSource = getOrCreateMetricsUser(user); |
| userSource.updatePut(t); |
| incrementClientWriteMetrics(userSource); |
| } |
| |
| } |
| |
| private String getClient() { |
| Optional<InetAddress> ipOptional = RpcServer.getRemoteAddress(); |
| return ipOptional.map(InetAddress::getHostName).orElse(null); |
| } |
| |
| private void incrementClientReadMetrics(MetricsUserSource userSource) { |
| String client = getClient(); |
| if (client != null && userSource != null) { |
| userSource.getOrCreateMetricsClient(client).incrementReadRequest(); |
| } |
| } |
| |
| private void incrementFilteredReadRequests(MetricsUserSource userSource) { |
| String client = getClient(); |
| if (client != null && userSource != null) { |
| userSource.getOrCreateMetricsClient(client).incrementFilteredReadRequests(); |
| } |
| } |
| |
| private void incrementClientWriteMetrics(MetricsUserSource userSource) { |
| String client = getClient(); |
| if (client != null && userSource != null) { |
| userSource.getOrCreateMetricsClient(client).incrementWriteRequest(); |
| } |
| } |
| |
| @Override |
| public void updateDelete(long t) { |
| String user = getActiveUser(); |
| if (user != null) { |
| MetricsUserSource userSource = getOrCreateMetricsUser(user); |
| userSource.updateDelete(t); |
| incrementClientWriteMetrics(userSource); |
| } |
| } |
| |
| @Override |
| public void updateGet(long t) { |
| String user = getActiveUser(); |
| if (user != null) { |
| MetricsUserSource userSource = getOrCreateMetricsUser(user); |
| userSource.updateGet(t); |
| } |
| } |
| |
| @Override |
| public void updateIncrement(long t) { |
| String user = getActiveUser(); |
| if (user != null) { |
| MetricsUserSource userSource = getOrCreateMetricsUser(user); |
| userSource.updateIncrement(t); |
| incrementClientWriteMetrics(userSource); |
| } |
| } |
| |
| @Override |
| public void updateAppend(long t) { |
| String user = getActiveUser(); |
| if (user != null) { |
| MetricsUserSource userSource = getOrCreateMetricsUser(user); |
| userSource.updateAppend(t); |
| incrementClientWriteMetrics(userSource); |
| } |
| } |
| |
| @Override |
| public void updateReplay(long t) { |
| String user = getActiveUser(); |
| if (user != null) { |
| MetricsUserSource userSource = getOrCreateMetricsUser(user); |
| userSource.updateReplay(t); |
| incrementClientWriteMetrics(userSource); |
| } |
| } |
| |
| @Override |
| public void updateScanTime(long t) { |
| String user = getActiveUser(); |
| if (user != null) { |
| MetricsUserSource userSource = getOrCreateMetricsUser(user); |
| userSource.updateScanTime(t); |
| } |
| } |
| |
| @Override public void updateFilteredReadRequests() { |
| String user = getActiveUser(); |
| if (user != null) { |
| MetricsUserSource userSource = getOrCreateMetricsUser(user); |
| incrementFilteredReadRequests(userSource); |
| } |
| } |
| |
| @Override public void updateReadRequestCount() { |
| String user = getActiveUser(); |
| if (user != null) { |
| MetricsUserSource userSource = getOrCreateMetricsUser(user); |
| incrementClientReadMetrics(userSource); |
| } |
| } |
| |
| private MetricsUserSource getOrCreateMetricsUser(String user) { |
| MetricsUserSource userSource = source.getOrCreateMetricsUser(user); |
| userMetricLossyCounting.add(userSource); |
| return userSource; |
| } |
| } |