/* * 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.tez.common; import java.util.Locale; import java.util.Properties; import org.apache.log4j.PropertyConfigurator; import org.apache.log4j.spi.LoggerRepository; import org.apache.tez.dag.api.TezConstants; public class TezLog4jConfigurator extends PropertyConfigurator { public void doConfigure(Properties properties, LoggerRepository repository) { String logParams = System.getenv(TezConstants.TEZ_CONTAINER_LOG_PARAMS); if (logParams != null) { String []parts = logParams.split(TezConstants.TEZ_CONTAINER_LOG_PARAMS_SEPARATOR); for (String logParam : parts) { String [] logParamParts = logParam.split("="); if (logParamParts.length == 2) { String loggerName = "log4j.logger." + logParamParts[0]; String logLevel = logParamParts[1].toUpperCase(Locale.ENGLISH); properties.setProperty(loggerName, logLevel); } else { // Cannot use Log4J logging from here. System.out.println("TezLog4jConfigurator Ignoring invalid log parameter [" + logParam + "]"); continue; } } } super.doConfigure(properties, repository); } }