| #!/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. |
| |
| function hadoop_usage |
| { |
| echo "Usage: mapred [--config confdir] [--daemon (start|stop|status)] COMMAND" |
| echo " where COMMAND is one of:" |
| |
| echo " archive -archiveName NAME -p <parent path> <src>* <dest> create a hadoop archive" |
| echo " classpath prints the class path needed for running" |
| echo " mapreduce subcommands" |
| echo " distcp <srcurl> <desturl> copy file or directories recursively" |
| echo " job manipulate MapReduce jobs" |
| echo " historyserver run job history servers as a standalone daemon" |
| echo " pipes run a Pipes job" |
| echo " queue get information regarding JobQueues" |
| echo " sampler sampler" |
| echo " version print the version" |
| echo "" |
| echo "Most commands print help when invoked w/o parameters." |
| } |
| |
| this="${BASH_SOURCE-$0}" |
| bin=$(cd -P -- "$(dirname -- "${this}")" >/dev/null && pwd -P) |
| |
| # let's locate libexec... |
| if [[ -n "${HADOOP_PREFIX}" ]]; then |
| DEFAULT_LIBEXEC_DIR="${HADOOP_PREFIX}/libexec" |
| else |
| DEFAULT_LIBEXEC_DIR="${bin}/../libexec" |
| fi |
| |
| HADOOP_LIBEXEC_DIR="${HADOOP_LIBEXEC_DIR:-$DEFAULT_LIBEXEC_DIR}" |
| # shellcheck disable=SC2034 |
| HADOOP_NEW_CONFIG=true |
| if [[ -f "${HADOOP_LIBEXEC_DIR}/mapred-config.sh" ]]; then |
| . "${HADOOP_LIBEXEC_DIR}/mapred-config.sh" |
| else |
| echo "ERROR: Cannot execute ${HADOOP_LIBEXEC_DIR}/mapred-config.sh." 2>&1 |
| exit 1 |
| fi |
| |
| |
| if [ $# = 0 ]; then |
| hadoop_exit_with_usage 1 |
| fi |
| |
| COMMAND=$1 |
| shift |
| |
| case ${COMMAND} in |
| mradmin|jobtracker|tasktracker|groups) |
| hadoop_error "Sorry, the ${COMMAND} command is no longer supported." |
| hadoop_error "You may find similar functionality with the \"yarn\" shell command." |
| hadoop_exit_with_usage 1 |
| ;; |
| archive) |
| CLASS=org.apache.hadoop.tools.HadoopArchives |
| hadoop_debug "Injecting TOOL_PATH into CLASSPATH" |
| hadoop_add_classpath "${TOOL_PATH}" |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| classpath) |
| hadoop_finalize |
| echo "${CLASSPATH}" |
| exit 0 |
| ;; |
| distcp) |
| CLASS=org.apache.hadoop.tools.DistCp |
| hadoop_debug "Injecting TOOL_PATH into CLASSPATH" |
| hadoop_add_classpath "${TOOL_PATH}" |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| historyserver) |
| daemon="true" |
| CLASS=org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer |
| hadoop_debug "Appending HADOOP_JOB_HISTORYSERVER_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_JOB_HISTORYSERVER_OPTS}" |
| if [ -n "${HADOOP_JOB_HISTORYSERVER_HEAPSIZE}" ]; then |
| JAVA_HEAP_MAX="-Xmx${HADOOP_JOB_HISTORYSERVER_HEAPSIZE}m" |
| fi |
| HADOOP_DAEMON_ROOT_LOGGER=${HADOOP_JHS_LOGGER:-$HADOOP_DAEMON_ROOT_LOGGER} |
| ;; |
| job) |
| CLASS=org.apache.hadoop.mapred.JobClient |
| ;; |
| pipes) |
| CLASS=org.apache.hadoop.mapred.pipes.Submitter |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| queue) |
| CLASS=org.apache.hadoop.mapred.JobQueueClient |
| ;; |
| sampler) |
| CLASS=org.apache.hadoop.mapred.lib.InputSampler |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| version) |
| CLASS=org.apache.hadoop.util.VersionInfo |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| *) |
| CLASS="${COMMAND}" |
| if ! hadoop_validate_classname "${CLASS}"; then |
| hadoop_exit_with_usage 1 |
| fi |
| ;; |
| esac |
| |
| daemon_outfile="${HADOOP_LOG_DIR}/hadoop-${HADOOP_IDENT_STRING}-${COMMAND}-${HOSTNAME}.out" |
| daemon_pidfile="${HADOOP_PID_DIR}/hadoop-${HADOOP_IDENT_STRING}-${COMMAND}.pid" |
| |
| |
| if [[ "${HADOOP_DAEMON_MODE}" != "default" ]]; then |
| # shellcheck disable=SC2034 |
| HADOOP_ROOT_LOGGER="${HADOOP_DAEMON_ROOT_LOGGER}" |
| hadoop_add_param HADOOP_OPTS mapred.jobsummary.logger "-Dmapred.jobsummary.logger=${HADOOP_ROOT_LOGGER}" |
| # shellcheck disable=SC2034 |
| HADOOP_LOGFILE="hadoop-${HADOOP_IDENT_STRING}-${COMMAND}-${HOSTNAME}.log" |
| fi |
| |
| hadoop_add_param HADOOP_OPTS Xmx "${JAVA_HEAP_MAX}" |
| hadoop_finalize |
| |
| if [[ -n "${daemon}" ]]; then |
| if [[ -n "${secure_service}" ]]; then |
| hadoop_secure_daemon_handler "${HADOOP_DAEMON_MODE}" "${COMMAND}"\ |
| "${CLASS}" "${daemon_pidfile}" "${daemon_outfile}" \ |
| "${priv_pidfile}" "${priv_outfile}" "${priv_errfile}" "$@" |
| else |
| hadoop_daemon_handler "${HADOOP_DAEMON_MODE}" "${COMMAND}" "${CLASS}" \ |
| "${daemon_pidfile}" "${daemon_outfile}" "$@" |
| fi |
| exit $? |
| else |
| hadoop_java_exec "${COMMAND}" "${CLASS}" "$@" |
| fi |
| |