hadoop/hadoop-yarn-project/hadoop-yarn/bin/yarn

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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.
MYNAME="${BASH_SOURCE-$0}"
function hadoop_usage
{
hadoop_add_option "--buildpaths" "attempt to add class files from build tree"
hadoop_add_option "--daemon (start|status|stop)" "operate on a daemon"
hadoop_add_option "--hostnames list[,of,host,names]" "hosts to use in slave mode"
hadoop_add_option "--loglevel level" "set the log4j level for this command"
hadoop_add_option "--hosts filename" "list of hosts to use in slave mode"
hadoop_add_option "--slaves" "turn on slave mode"
hadoop_add_subcommand "application" "prints application(s) report/kill application"
hadoop_add_subcommand "applicationattempt" "prints applicationattempt(s) report"
hadoop_add_subcommand "classpath" "prints the class path needed to get the hadoop jar and the required libraries"
hadoop_add_subcommand "cluster" "prints cluster information"
hadoop_add_subcommand "container" "prints container(s) report"
hadoop_add_subcommand "daemonlog" "get/set the log level for each daemon"
hadoop_add_subcommand "envvars" "display computed Hadoop environment variables"
hadoop_add_subcommand "jar <jar>" "run a jar file"
hadoop_add_subcommand "logs" "dump container logs"
hadoop_add_subcommand "node" "prints node report(s)"
hadoop_add_subcommand "nodemanager" "run a nodemanager on each slave"
hadoop_add_subcommand "proxyserver" "run the web app proxy server"
hadoop_add_subcommand "queue" "prints queue information"
hadoop_add_subcommand "resourcemanager" "run the ResourceManager"
hadoop_add_subcommand "rmadmin" "admin tools"
hadoop_add_subcommand "scmadmin" "SharedCacheManager admin tools"
hadoop_add_subcommand "sharedcachemanager" "run the SharedCacheManager daemon"
hadoop_add_subcommand "timelineserver" "run the timeline server"
hadoop_add_subcommand "top" "view cluster information"
hadoop_add_subcommand "version" "print the version"
hadoop_generate_usage "${MYNAME}" true
}
# let's locate libexec...
if [[ -n "${HADOOP_PREFIX}" ]]; then
HADOOP_DEFAULT_LIBEXEC_DIR="${HADOOP_PREFIX}/libexec"
else
bin=$(cd -P -- "$(dirname -- "${MYNAME}")" >/dev/null && pwd -P)
HADOOP_DEFAULT_LIBEXEC_DIR="${bin}/../libexec"
fi
HADOOP_LIBEXEC_DIR="${HADOOP_LIBEXEC_DIR:-$HADOOP_DEFAULT_LIBEXEC_DIR}"
# shellcheck disable=SC2034
HADOOP_NEW_CONFIG=true
if [[ -f "${HADOOP_LIBEXEC_DIR}/yarn-config.sh" ]]; then
. "${HADOOP_LIBEXEC_DIR}/yarn-config.sh"
else
echo "ERROR: Cannot execute ${HADOOP_LIBEXEC_DIR}/yarn-config.sh." 2>&1
exit 1
fi
# if no args specified, show usage
if [[ $# = 0 ]]; then
hadoop_exit_with_usage 1
fi
# get arguments
COMMAND=$1
shift
case "${COMMAND}" in
application|applicationattempt|container)
CLASS=org.apache.hadoop.yarn.client.cli.ApplicationCLI
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
set -- "${COMMAND}" "$@"
;;
classpath)
hadoop_do_classpath_subcommand CLASS "$@"
;;
cluster)
CLASS=org.apache.hadoop.yarn.client.cli.ClusterCLI
hadoop_debug "Append YARN_CLIENT_OPTS onto YARN_OPTS"
YARN_OPTS="${YARN_OPTS} ${YARN_CLIENT_OPTS}"
;;
daemonlog)
CLASS=org.apache.hadoop.log.LogLevel
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
;;
envvars)
echo "JAVA_HOME='${JAVA_HOME}'"
echo "HADOOP_YARN_HOME='${HADOOP_YARN_HOME}'"
echo "YARN_DIR='${YARN_DIR}'"
echo "YARN_LIB_JARS_DIR='${YARN_LIB_JARS_DIR}'"
echo "HADOOP_CONF_DIR='${HADOOP_CONF_DIR}'"
echo "HADOOP_TOOLS_PATH='${HADOOP_TOOLS_PATH}'"
exit 0
;;
jar)
CLASS=org.apache.hadoop.util.RunJar
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
;;
historyserver)
supportdaemonization="true"
echo "DEPRECATED: Use of this command to start the timeline server is deprecated." 1>&2
echo "Instead use the timelineserver command for it." 1>&2
echo "Starting the History Server anyway..." 1>&2
CLASS='org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer'
;;
logs)
CLASS=org.apache.hadoop.yarn.client.cli.LogsCLI
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
;;
node)
CLASS=org.apache.hadoop.yarn.client.cli.NodeCLI
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
;;
nodemanager)
supportdaemonization="true"
CLASS='org.apache.hadoop.yarn.server.nodemanager.NodeManager'
hadoop_debug "Append YARN_NODEMANAGER_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_NODEMANAGER_OPTS}"
# Backwards compatibility
if [[ -n "${YARN_NODEMANAGER_HEAPSIZE}" ]]; then
HADOOP_HEAPSIZE_MAX="${YARN_NODEMANAGER_HEAPSIZE}"
fi
;;
proxyserver)
supportdaemonization="true"
CLASS='org.apache.hadoop.yarn.server.webproxy.WebAppProxyServer'
hadoop_debug "Append YARN_PROXYSERVER_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_PROXYSERVER_OPTS}"
# Backwards compatibility
if [[ -n "${YARN_PROXYSERVER_HEAPSIZE}" ]]; then
HADOOP_HEAPSIZE_MAX="${YARN_PROXYSERVER_HEAPSIZE}"
fi
;;
queue)
CLASS=org.apache.hadoop.yarn.client.cli.QueueCLI
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
;;
resourcemanager)
supportdaemonization="true"
CLASS='org.apache.hadoop.yarn.server.resourcemanager.ResourceManager'
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_RESOURCEMANAGER_OPTS}"
hadoop_debug "Append YARN_RESOURCEMANAGER_OPTS onto HADOOP_OPTS"
# Backwards compatibility
if [[ -n "${YARN_RESOURCEMANAGER_HEAPSIZE}" ]]; then
HADOOP_HEAPSIZE_MAX="${YARN_RESOURCEMANAGER_HEAPSIZE}"
fi
;;
rmadmin)
CLASS='org.apache.hadoop.yarn.client.cli.RMAdminCLI'
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
;;
scmadmin)
CLASS='org.apache.hadoop.yarn.client.SCMAdmin'
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
;;
sharedcachemanager)
supportdaemonization="true"
CLASS='org.apache.hadoop.yarn.server.sharedcachemanager.SharedCacheManager'
hadoop_debug "Append YARN_SHAREDCACHEMANAGER_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_SHAREDCACHEMANAGER_OPTS}"
;;
timelineserver)
supportdaemonization="true"
CLASS='org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryServer'
hadoop_debug "Append YARN_TIMELINESERVER_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_TIMELINESERVER_OPTS}"
# Backwards compatibility
if [[ -n "${YARN_TIMELINESERVER_HEAPSIZE}" ]]; then
HADOOP_HEAPSIZE_MAX="${YARN_TIMELINESERVER_HEAPSIZE}"
fi
;;
version)
CLASS=org.apache.hadoop.util.VersionInfo
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
;;
top)
doNotSetCols=0
doNotSetRows=0
for i in "$@"; do
if [[ $i == "-cols" ]]; then
doNotSetCols=1
fi
if [[ $i == "-rows" ]]; then
doNotSetRows=1
fi
done
if [ $doNotSetCols == 0 ] && [ -n "${TERM}" ]; then
cols=$(tput cols)
if [ -n "$cols" ]; then
args=( $@ )
args=("${args[@]}" "-cols" "$cols")
set -- "${args[@]}"
fi
fi
if [ $doNotSetRows == 0 ] && [ -n "${TERM}" ]; then
rows=$(tput lines)
if [ -n "$rows" ]; then
args=( $@ )
args=("${args[@]}" "-rows" "$rows")
set -- "${args[@]}"
fi
fi
CLASS=org.apache.hadoop.yarn.client.cli.TopCLI
hadoop_debug "Append YARN_CLIENT_OPTS onto HADOOP_OPTS"
HADOOP_OPTS="${HADOOP_OPTS} ${YARN_CLIENT_OPTS}"
;;
*)
CLASS="${COMMAND}"
if ! hadoop_validate_classname "${CLASS}"; then
hadoop_exit_with_usage 1
fi
;;
esac
hadoop_verify_user "${COMMAND}"
if [[ ${HADOOP_SLAVE_MODE} = true ]]; then
hadoop_common_slave_mode_execute "${HADOOP_YARN_HOME}/bin/yarn" "${HADOOP_USER_PARAMS[@]}"
exit $?
fi
daemon_outfile="${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_LOGFILE="hadoop-${HADOOP_IDENT_STRING}-${COMMAND}-${HOSTNAME}.log"
fi
hadoop_finalize
if [[ -n "${supportdaemonization}" ]]; 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