204 lines
7.0 KiB
Bash
Executable File
204 lines
7.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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MYNAME="${BASH_SOURCE-$0}"
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HADOOP_SHELL_EXECNAME="${MYNAME##*/}"
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## @description build up the mapred command's usage text.
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## @audience public
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## @stability stable
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## @replaceable no
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function hadoop_usage
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{
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hadoop_add_subcommand "classpath" "prints the class path needed for running mapreduce subcommands"
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hadoop_add_subcommand "envvars" "display computed Hadoop environment variables"
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hadoop_add_subcommand "historyserver" "run job history servers as a standalone daemon"
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hadoop_add_subcommand "hsadmin" "job history server admin interface"
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hadoop_add_subcommand "job" "manipulate MapReduce jobs"
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hadoop_add_subcommand "pipes" "run a Pipes job"
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hadoop_add_subcommand "queue" "get information regarding JobQueues"
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hadoop_add_subcommand "sampler" "sampler"
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hadoop_add_subcommand "version" "print the version"
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hadoop_generate_usage "${HADOOP_SHELL_EXECNAME}" true
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}
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## @description Default command handler for hadoop command
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## @audience public
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## @stability stable
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## @replaceable no
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## @param CLI arguments
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function mapredcmd_case
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{
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subcmd=$1
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shift
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case ${subcmd} in
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mradmin|jobtracker|tasktracker|groups)
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hadoop_error "Sorry, the ${subcmd} command is no longer supported."
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hadoop_error "You may find similar functionality with the \"yarn\" shell command."
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hadoop_exit_with_usage 1
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;;
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classpath)
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hadoop_do_classpath_subcommand HADOOP_CLASSNAME "$@"
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;;
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envvars)
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echo "JAVA_HOME='${JAVA_HOME}'"
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echo "HADOOP_MAPRED_HOME='${HADOOP_MAPRED_HOME}'"
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echo "MAPRED_DIR='${MAPRED_DIR}'"
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echo "MAPRED_LIB_JARS_DIR='${MAPRED_LIB_JARS_DIR}'"
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echo "HADOOP_CONF_DIR='${HADOOP_CONF_DIR}'"
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echo "HADOOP_TOOLS_HOME='${HADOOP_TOOLS_HOME}'"
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echo "HADOOP_TOOLS_DIR='${HADOOP_TOOLS_DIR}'"
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echo "HADOOP_TOOLS_LIB_JARS_DIR='${HADOOP_TOOLS_LIB_JARS_DIR}'"
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exit 0
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;;
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historyserver)
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HADOOP_SUBCMD_SUPPORTDAEMONIZATION="true"
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HADOOP_CLASSNAME=org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer
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if [ -n "${HADOOP_JOB_HISTORYSERVER_HEAPSIZE}" ]; then
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# shellcheck disable=SC2034
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HADOOP_HEAPSIZE_MAX="${HADOOP_JOB_HISTORYSERVER_HEAPSIZE}"
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fi
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HADOOP_DAEMON_ROOT_LOGGER=${HADOOP_JHS_LOGGER:-$HADOOP_DAEMON_ROOT_LOGGER}
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;;
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hsadmin)
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HADOOP_CLASSNAME=org.apache.hadoop.mapreduce.v2.hs.client.HSAdmin
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;;
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job)
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HADOOP_CLASSNAME=org.apache.hadoop.mapred.JobClient
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;;
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pipes)
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HADOOP_CLASSNAME=org.apache.hadoop.mapred.pipes.Submitter
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;;
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queue)
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HADOOP_CLASSNAME=org.apache.hadoop.mapred.JobQueueClient
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;;
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sampler)
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HADOOP_CLASSNAME=org.apache.hadoop.mapred.lib.InputSampler
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;;
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version)
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HADOOP_CLASSNAME=org.apache.hadoop.util.VersionInfo
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;;
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*)
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HADOOP_CLASSNAME="${subcmd}"
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if ! hadoop_validate_classname "${HADOOP_CLASSNAME}"; then
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hadoop_exit_with_usage 1
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fi
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;;
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esac
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}
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bin=$(cd -P -- "$(dirname -- "${MYNAME}")" >/dev/null && pwd -P)
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# let's locate libexec...
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if [[ -n "${HADOOP_HOME}" ]]; then
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HADOOP_DEFAULT_LIBEXEC_DIR="${HADOOP_HOME}/libexec"
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else
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HADOOP_DEFAULT_LIBEXEC_DIR="${bin}/../libexec"
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fi
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HADOOP_LIBEXEC_DIR="${HADOOP_LIBEXEC_DIR:-$HADOOP_DEFAULT_LIBEXEC_DIR}"
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# shellcheck disable=SC2034
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HADOOP_NEW_CONFIG=true
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if [[ -f "${HADOOP_LIBEXEC_DIR}/mapred-config.sh" ]]; then
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. "${HADOOP_LIBEXEC_DIR}/mapred-config.sh"
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else
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echo "ERROR: Cannot execute ${HADOOP_LIBEXEC_DIR}/mapred-config.sh." 2>&1
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exit 1
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fi
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if [ $# = 0 ]; then
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hadoop_exit_with_usage 1
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fi
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HADOOP_SUBCMD=$1
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shift
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hadoop_verify_user "${HADOOP_SHELL_EXECNAME}" "${HADOOP_SUBCMD}"
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HADOOP_SUBCMD_ARGS=("$@")
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if declare -f mapred_subcommand_"${HADOOP_SUBCMD}" >/dev/null 2>&1; then
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hadoop_debug "Calling dynamically: mapred_subcommand_${HADOOP_SUBCMD} ${HADOOP_SUBCMD_ARGS[*]}"
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"mapred_subcommand_${HADOOP_SUBCMD}" "${HADOOP_SUBCMD_ARGS[@]}"
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else
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mapredcmd_case "${HADOOP_SUBCMD}" "${HADOOP_SUBCMD_ARGS[@]}"
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fi
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hadoop_add_client_opts
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if [[ ${HADOOP_WORKER_MODE} = true ]]; then
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hadoop_common_worker_mode_execute "${HADOOP_MAPRED_HOME}/bin/mapred" "${HADOOP_USER_PARAMS[@]}"
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exit $?
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fi
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hadoop_subcommand_opts "${HADOOP_SHELL_EXECNAME}" "${HADOOP_SUBCMD}"
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if [[ "${HADOOP_SUBCMD_SECURESERVICE}" = true ]]; then
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HADOOP_SECURE_USER="${HADOOP_SUBCMD_SECUREUSER}"
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hadoop_subcommand_secure_opts "${HADOOP_SHELL_EXECNAME}" "${HADOOP_SUBCMD}"
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hadoop_verify_secure_prereq
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hadoop_setup_secure_service
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priv_outfile="${HADOOP_LOG_DIR}/privileged-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}-${HOSTNAME}.out"
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priv_errfile="${HADOOP_LOG_DIR}/privileged-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}-${HOSTNAME}.err"
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priv_pidfile="${HADOOP_PID_DIR}/privileged-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}.pid"
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daemon_outfile="${HADOOP_LOG_DIR}/hadoop-${HADOOP_SECURE_USER}-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}-${HOSTNAME}.out"
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daemon_pidfile="${HADOOP_PID_DIR}/hadoop-${HADOOP_SECURE_USER}-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}.pid"
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else
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daemon_outfile="${HADOOP_LOG_DIR}/hadoop-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}-${HOSTNAME}.out"
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daemon_pidfile="${HADOOP_PID_DIR}/hadoop-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}.pid"
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fi
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if [[ "${HADOOP_DAEMON_MODE}" != "default" ]]; then
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# shellcheck disable=SC2034
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HADOOP_ROOT_LOGGER="${HADOOP_DAEMON_ROOT_LOGGER}"
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hadoop_add_param HADOOP_OPTS mapred.jobsummary.logger "-Dmapred.jobsummary.logger=${HADOOP_ROOT_LOGGER}"
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# shellcheck disable=SC2034
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HADOOP_LOGFILE="hadoop-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}-${HOSTNAME}.log"
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fi
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hadoop_finalize
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if [[ "${HADOOP_SUBCMD_SUPPORTDAEMONIZATION}" = true ]]; then
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if [[ "${HADOOP_SUBCMD_SECURESERVICE}" = true ]]; then
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hadoop_secure_daemon_handler \
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"${HADOOP_DAEMON_MODE}" \
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"${HADOOP_SUBCMD}" \
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"${HADOOP_CLASSNAME}" \
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"${daemon_pidfile}" \
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"${daemon_outfile}" \
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"${priv_pidfile}" \
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"${priv_outfile}" \
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"${priv_errfile}" \
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"${HADOOP_SUBCMD_ARGS[@]}"
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else
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hadoop_daemon_handler \
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"${HADOOP_DAEMON_MODE}" \
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"${HADOOP_SUBCMD}" \
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"${HADOOP_CLASSNAME}" \
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"${daemon_pidfile}" \
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"${daemon_outfile}" \
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"${HADOOP_SUBCMD_ARGS[@]}"
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fi
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exit $?
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else
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hadoop_java_exec "${HADOOP_SUBCMD}" "${HADOOP_CLASSNAME}" "${HADOOP_SUBCMD_ARGS[@]}"
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fi
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