| #!/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. |
| |
| MYNAME="${BASH_SOURCE-$0}" |
| HADOOP_SHELL_EXECNAME="${MYNAME##*/}" |
| |
| ## @description build up the mapred command's usage text. |
| ## @audience public |
| ## @stability stable |
| ## @replaceable no |
| function hadoop_usage |
| { |
| hadoop_add_subcommand "classpath" "prints the class path needed for running mapreduce subcommands" |
| hadoop_add_subcommand "envvars" "display computed Hadoop environment variables" |
| hadoop_add_subcommand "historyserver" "run job history servers as a standalone daemon" |
| hadoop_add_subcommand "hsadmin" "job history server admin interface" |
| hadoop_add_subcommand "job" "manipulate MapReduce jobs" |
| hadoop_add_subcommand "pipes" "run a Pipes job" |
| hadoop_add_subcommand "queue" "get information regarding JobQueues" |
| hadoop_add_subcommand "sampler" "sampler" |
| hadoop_add_subcommand "version" "print the version" |
| hadoop_generate_usage "${HADOOP_SHELL_EXECNAME}" true |
| } |
| |
| ## @description Default command handler for hadoop command |
| ## @audience public |
| ## @stability stable |
| ## @replaceable no |
| ## @param CLI arguments |
| function mapredcmd_case |
| { |
| subcmd=$1 |
| shift |
| |
| case ${subcmd} in |
| mradmin|jobtracker|tasktracker|groups) |
| hadoop_error "Sorry, the ${subcmd} command is no longer supported." |
| hadoop_error "You may find similar functionality with the \"yarn\" shell command." |
| hadoop_exit_with_usage 1 |
| ;; |
| classpath) |
| hadoop_do_classpath_subcommand HADOOP_CLASSNAME "$@" |
| ;; |
| envvars) |
| echo "JAVA_HOME='${JAVA_HOME}'" |
| echo "HADOOP_MAPRED_HOME='${HADOOP_MAPRED_HOME}'" |
| echo "MAPRED_DIR='${MAPRED_DIR}'" |
| echo "MAPRED_LIB_JARS_DIR='${MAPRED_LIB_JARS_DIR}'" |
| echo "HADOOP_CONF_DIR='${HADOOP_CONF_DIR}'" |
| echo "HADOOP_TOOLS_HOME='${HADOOP_TOOLS_HOME}'" |
| echo "HADOOP_TOOLS_DIR='${HADOOP_TOOLS_DIR}'" |
| echo "HADOOP_TOOLS_LIB_JARS_DIR='${HADOOP_TOOLS_LIB_JARS_DIR}'" |
| exit 0 |
| ;; |
| historyserver) |
| HADOOP_SUBCMD_SUPPORTDAEMONIZATION="true" |
| HADOOP_CLASSNAME=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 |
| # shellcheck disable=SC2034 |
| HADOOP_HEAPSIZE_MAX="${HADOOP_JOB_HISTORYSERVER_HEAPSIZE}" |
| fi |
| HADOOP_DAEMON_ROOT_LOGGER=${HADOOP_JHS_LOGGER:-$HADOOP_DAEMON_ROOT_LOGGER} |
| ;; |
| hsadmin) |
| HADOOP_CLASSNAME=org.apache.hadoop.mapreduce.v2.hs.client.HSAdmin |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| job) |
| HADOOP_CLASSNAME=org.apache.hadoop.mapred.JobClient |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| pipes) |
| HADOOP_CLASSNAME=org.apache.hadoop.mapred.pipes.Submitter |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| queue) |
| HADOOP_CLASSNAME=org.apache.hadoop.mapred.JobQueueClient |
| ;; |
| sampler) |
| HADOOP_CLASSNAME=org.apache.hadoop.mapred.lib.InputSampler |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| version) |
| HADOOP_CLASSNAME=org.apache.hadoop.util.VersionInfo |
| hadoop_debug "Appending HADOOP_CLIENT_OPTS onto HADOOP_OPTS" |
| HADOOP_OPTS="${HADOOP_OPTS} ${HADOOP_CLIENT_OPTS}" |
| ;; |
| *) |
| HADOOP_CLASSNAME="${subcmd}" |
| if ! hadoop_validate_classname "${HADOOP_CLASSNAME}"; then |
| hadoop_exit_with_usage 1 |
| fi |
| ;; |
| esac |
| } |
| |
| bin=$(cd -P -- "$(dirname -- "${MYNAME}")" >/dev/null && pwd -P) |
| |
| # let's locate libexec... |
| if [[ -n "${HADOOP_HOME}" ]]; then |
| HADOOP_DEFAULT_LIBEXEC_DIR="${HADOOP_HOME}/libexec" |
| else |
| HADOOP_DEFAULT_LIBEXEC_DIR="${bin}/../libexec" |
| fi |
| |
| HADOOP_LIBEXEC_DIR="${HADOOP_LIBEXEC_DIR:-$HADOOP_DEFAULT_LIBEXEC_DIR}" |
| # shellcheck disable=SC2034 |
| HADOOP_NEW_CONFIG=true |
| if [[ -f "${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 |
| |
| HADOOP_SUBCMD=$1 |
| shift |
| |
| HADOOP_SUBCMD_ARGS=("$@") |
| |
| if declare -f mapred_subcommand_"${HADOOP_SUBCMD}" >/dev/null 2>&1; then |
| hadoop_debug "Calling dynamically: mapred_subcommand_${HADOOP_SUBCMD} ${HADOOP_SUBCMD_ARGS[*]}" |
| "mapred_subcommand_${HADOOP_SUBCMD}" "${HADOOP_SUBCMD_ARGS[@]}" |
| else |
| mapredcmd_case "${HADOOP_SUBCMD}" "${HADOOP_SUBCMD_ARGS[@]}" |
| fi |
| |
| hadoop_verify_user "${HADOOP_SUBCMD}" |
| |
| if [[ ${HADOOP_SLAVE_MODE} = true ]]; then |
| hadoop_common_slave_mode_execute "${HADOOP_MAPRED_HOME}/bin/mapred" "${HADOOP_USER_PARAMS[@]}" |
| exit $? |
| fi |
| |
| if [[ "${HADOOP_SUBCMD_SECURESERVICE}" = true ]]; then |
| HADOOP_SECURE_USER="${HADOOP_SUBCMD_SECUREUSER}" |
| hadoop_verify_secure_prereq |
| hadoop_setup_secure_service |
| priv_outfile="${HADOOP_LOG_DIR}/privileged-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}-${HOSTNAME}.out" |
| priv_errfile="${HADOOP_LOG_DIR}/privileged-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}-${HOSTNAME}.err" |
| priv_pidfile="${HADOOP_PID_DIR}/privileged-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}.pid" |
| daemon_outfile="${HADOOP_LOG_DIR}/hadoop-${HADOOP_SECURE_USER}-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}-${HOSTNAME}.out" |
| daemon_pidfile="${HADOOP_PID_DIR}/hadoop-${HADOOP_SECURE_USER}-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}.pid" |
| else |
| daemon_outfile="${HADOOP_LOG_DIR}/hadoop-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}-${HOSTNAME}.out" |
| daemon_pidfile="${HADOOP_PID_DIR}/hadoop-${HADOOP_IDENT_STRING}-${HADOOP_SUBCMD}.pid" |
| fi |
| |
| 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}-${HADOOP_SUBCMD}-${HOSTNAME}.log" |
| fi |
| |
| hadoop_finalize |
| |
| if [[ "${HADOOP_SUBCMD_SUPPORTDAEMONIZATION}" = true ]]; then |
| if [[ "${HADOOP_SUBCMD_SECURESERVICE}" = true ]]; then |
| hadoop_secure_daemon_handler \ |
| "${HADOOP_DAEMON_MODE}" \ |
| "${HADOOP_SUBCMD}" \ |
| "${HADOOP_CLASSNAME}" \ |
| "${daemon_pidfile}" \ |
| "${daemon_outfile}" \ |
| "${priv_pidfile}" \ |
| "${priv_outfile}" \ |
| "${priv_errfile}" \ |
| "${HADOOP_SUBCMD_ARGS[@]}" |
| else |
| hadoop_daemon_handler \ |
| "${HADOOP_DAEMON_MODE}" \ |
| "${HADOOP_SUBCMD}" \ |
| "${HADOOP_CLASSNAME}" \ |
| "${daemon_pidfile}" \ |
| "${daemon_outfile}" \ |
| "${HADOOP_SUBCMD_ARGS[@]}" |
| fi |
| exit $? |
| else |
| hadoop_java_exec "${HADOOP_SUBCMD}" "${HADOOP_CLASSNAME}" "${HADOOP_SUBCMD_ARGS[@]}" |
| fi |