hadoop/hadoop-mapreduce-project/bin/mapred-config.sh
Allen Wittenauer 58ed4fa544 HADOOP-13341. Deprecate HADOOP_SERVERNAME_OPTS; replace with (command)_(subcommand)_OPTS
This commit includes the following changes:

	HADOOP-13356. Add a function to handle command_subcommand_OPTS
	HADOOP-13355. Handle HADOOP_CLIENT_OPTS in a function
	HADOOP-13554. Add an equivalent of hadoop_subcmd_opts for secure opts
	HADOOP-13562. Change hadoop_subcommand_opts to use only uppercase
	HADOOP-13358. Modify HDFS to use hadoop_subcommand_opts
	HADOOP-13357. Modify common to use hadoop_subcommand_opts
	HADOOP-13359. Modify YARN to use hadoop_subcommand_opts
	HADOOP-13361. Modify hadoop_verify_user to be consistent with hadoop_subcommand_opts (ie more granularity)
	HADOOP-13564. modify mapred to use hadoop_subcommand_opts
	HADOOP-13563. hadoop_subcommand_opts should print name not actual content during debug
	HADOOP-13360. Documentation for HADOOP_subcommand_OPTS

This closes apache/hadoop#126
2016-09-12 11:10:00 -07:00

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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
. "${HADOOP_CONF_DIR}/mapred-env.sh"
export HADOOP_MAPRED_ENV_PROCESSED=true
fi
fi
# at some point in time, someone thought it would be a good idea to
# create separate vars for every subproject. *sigh*
# let's perform some overrides and setup some defaults for bw compat
# this way the common hadoop var's == subproject vars and can be
# used interchangeable from here on out
# ...
# this should get deprecated at some point.
hadoop_deprecate_envvar HADOOP_MAPRED_LOG_DIR HADOOP_LOG_DIR
hadoop_deprecate_envvar HADOOP_MAPRED_LOGFILE HADOOP_LOGFILE
hadoop_deprecate_envvar HADOOP_MAPRED_NICENESS HADOOP_NICENESS
hadoop_deprecate_envvar HADOOP_MAPRED_STOP_TIMEOUT HADOOP_STOP_TIMEOUT
hadoop_deprecate_envvar HADOOP_MAPRED_PID_DIR HADOOP_PID_DIR
hadoop_deprecate_envvar HADOOP_MAPRED_ROOT_LOGGER HADOOP_ROOT_LOGGER
hadoop_deprecate_envvar HADOOP_JOB_HISTORY_OPTS MAPRED_HISTORYSERVER_OPTS
HADOOP_MAPRED_HOME="${HADOOP_MAPRED_HOME:-$HADOOP_HOME}"
hadoop_deprecate_envvar HADOOP_MAPRED_IDENT_STRING HADOOP_IDENT_STRING
}
if [[ -z "${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_HOME}/libexec/hadoop-config.sh" ]; then
. "${HADOOP_HOME}/libexec/hadoop-config.sh"
else
echo "ERROR: Hadoop common not found." 2>&1
exit 1
fi