| /** |
| * 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.security; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.metrics2.MetricsBuilder; |
| import org.apache.hadoop.metrics2.MetricsSource; |
| import org.apache.hadoop.metrics2.MetricsSystem; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.metrics2.lib.MetricMutableStat; |
| import org.apache.hadoop.metrics2.lib.MetricsRegistry; |
| |
| class UgiInstrumentation implements MetricsSource { |
| |
| final MetricsRegistry registry = new MetricsRegistry("ugi").setContext("ugi"); |
| final MetricMutableStat loginSuccess = registry.newStat("loginSuccess"); |
| final MetricMutableStat loginFailure = registry.newStat("loginFailure"); |
| |
| @Override |
| public void getMetrics(MetricsBuilder builder, boolean all) { |
| registry.snapshot(builder.addRecord(registry.name()), all); |
| } |
| |
| //@Override |
| void addLoginSuccess(long elapsed) { |
| loginSuccess.add(elapsed); |
| } |
| |
| //@Override |
| void addLoginFailure(long elapsed) { |
| loginFailure.add(elapsed); |
| } |
| |
| static UgiInstrumentation create(Configuration conf) { |
| return create(conf, DefaultMetricsSystem.INSTANCE); |
| } |
| |
| static UgiInstrumentation create(Configuration conf, MetricsSystem ms) { |
| return ms.register("ugi", "User/group metrics", new UgiInstrumentation()); |
| } |
| |
| } |