| /** |
| * 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.conf; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Logs access to {@link Configuration}. |
| * Sensitive data will be redacted. |
| */ |
| @InterfaceAudience.Private |
| public class ConfigurationWithLogging extends Configuration { |
| private static final Logger LOG = |
| LoggerFactory.getLogger(ConfigurationWithLogging.class); |
| |
| private final Logger log; |
| private final ConfigRedactor redactor; |
| |
| public ConfigurationWithLogging(Configuration conf) { |
| super(conf); |
| log = LOG; |
| redactor = new ConfigRedactor(conf); |
| } |
| |
| /** |
| * See {@link Configuration#get(String)}. |
| */ |
| @Override |
| public String get(String name) { |
| String value = super.get(name); |
| log.info("Got {} = '{}'", name, redactor.redact(name, value)); |
| return value; |
| } |
| |
| /** |
| * See {@link Configuration#get(String, String)}. |
| */ |
| @Override |
| public String get(String name, String defaultValue) { |
| String value = super.get(name, defaultValue); |
| log.info("Got {} = '{}' (default '{}')", name, |
| redactor.redact(name, value), redactor.redact(name, defaultValue)); |
| return value; |
| } |
| |
| /** |
| * See {@link Configuration#getBoolean(String, boolean)}. |
| */ |
| @Override |
| public boolean getBoolean(String name, boolean defaultValue) { |
| boolean value = super.getBoolean(name, defaultValue); |
| log.info("Got {} = '{}' (default '{}')", name, value, defaultValue); |
| return value; |
| } |
| |
| /** |
| * See {@link Configuration#getFloat(String, float)}. |
| */ |
| @Override |
| public float getFloat(String name, float defaultValue) { |
| float value = super.getFloat(name, defaultValue); |
| log.info("Got {} = '{}' (default '{}')", name, value, defaultValue); |
| return value; |
| } |
| |
| /** |
| * See {@link Configuration#getInt(String, int)}. |
| */ |
| @Override |
| public int getInt(String name, int defaultValue) { |
| int value = super.getInt(name, defaultValue); |
| log.info("Got {} = '{}' (default '{}')", name, value, defaultValue); |
| return value; |
| } |
| |
| /** |
| * See {@link Configuration#getLong(String, long)}. |
| */ |
| @Override |
| public long getLong(String name, long defaultValue) { |
| long value = super.getLong(name, defaultValue); |
| log.info("Got {} = '{}' (default '{}')", name, value, defaultValue); |
| return value; |
| } |
| |
| /** |
| * See {@link Configuration#set(String, String, String)}. |
| */ |
| @Override |
| public void set(String name, String value, String source) { |
| log.info("Set {} to '{}'{}", name, redactor.redact(name, value), |
| source == null ? "" : " from " + source); |
| super.set(name, value, source); |
| } |
| } |