hadoop/hadoop-mapreduce-project/bin/mapred-config.sh

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#!/usr/bin/env bash
# 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.
# included in all the mapred scripts with source command
# should not be executed directly
function hadoop_subproject_init
{
if [[ -z "${HADOOP_MAPRED_ENV_PROCESSED}" ]]; then
if [[ -e "${HADOOP_CONF_DIR}/mapred-env.sh" ]]; then
. "${HADOOP_CONF_DIR}/mapred-env.sh"
export HADOOP_MAPRED_ENV_PROCESSED=true
fi
fi
# at some point in time, someone thought it would be a good idea to
# create separate vars for every subproject. *sigh*
# let's perform some overrides and setup some defaults for bw compat
# this way the common hadoop var's == subproject vars and can be
# used interchangeable from here on out
# ...
# this should get deprecated at some point.
hadoop_deprecate_envvar HADOOP_MAPRED_LOG_DIR HADOOP_LOG_DIR
hadoop_deprecate_envvar HADOOP_MAPRED_LOGFILE HADOOP_LOGFILE
hadoop_deprecate_envvar HADOOP_MAPRED_NICENESS HADOOP_NICENESS
hadoop_deprecate_envvar HADOOP_MAPRED_STOP_TIMEOUT HADOOP_STOP_TIMEOUT
hadoop_deprecate_envvar HADOOP_MAPRED_PID_DIR HADOOP_PID_DIR
hadoop_deprecate_envvar HADOOP_MAPRED_ROOT_LOGGER HADOOP_ROOT_LOGGER
HADOOP_MAPRED_HOME="${HADOOP_MAPRED_HOME:-$HADOOP_PREFIX}"
hadoop_deprecate_envvar HADOOP_MAPRED_IDENT_STRING HADOOP_IDENT_STRING
}
if [[ -z "${HADOOP_LIBEXEC_DIR}" ]]; then
_mc_this="${BASH_SOURCE-$0}"
HADOOP_LIBEXEC_DIR=$(cd -P -- "$(dirname -- "${_mc_this}")" >/dev/null && pwd -P)
fi
if [[ -n "${HADOOP_COMMON_HOME}" ]] &&
[[ -e "${HADOOP_COMMON_HOME}/libexec/hadoop-config.sh" ]]; then
. "${HADOOP_COMMON_HOME}/libexec/hadoop-config.sh"
elif [[ -e "${HADOOP_LIBEXEC_DIR}/hadoop-config.sh" ]]; then
. "${HADOOP_LIBEXEC_DIR}/hadoop-config.sh"
elif [ -e "${HADOOP_PREFIX}/libexec/hadoop-config.sh" ]; then
. "${HADOOP_PREFIX}/libexec/hadoop-config.sh"
else
echo "ERROR: Hadoop common not found." 2>&1
exit 1
fi