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#!/bin/sh
# PROVIDE: tasktracker
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf to enable this service:
#
# tasktracker_enable (bool): Set to NO by default.
# Set it to YES to enable tasktracker.
# tasktracker_user (str): Set to %%MAPRED_USER%% by default.
# Set to a valid user to change default
# tasktracker user.
# tasktracker_java_home (str): Unset by default.
# Switch to another JVM.
#
# tasktracker_log_dir (str): Unset by default.
# tasktracker_pid_dir (str): Unset by default.
#
. /etc/rc.subr
name=tasktracker
rcvar=tasktracker_enable
load_rc_config "${name}"
: ${tasktracker_enable:=NO}
: ${tasktracker_user:=%%MAPRED_USER%%}
: ${tasktracker_group:=%%HADOOP_GROUP%%}
command="%%DATADIR%%/bin/hadoop-daemon.sh"
command_args='--config ${HADOOP_CONF_DIR} start tasktracker'
start_precmd=tasktracker_init
stop_precmd=tasktracker_init
stop_cmd=tasktracker_stop
tasktracker_init()
{
if [ -n "${tasktracker_java_home}" ]
then
export JAVA_HOME="${tasktracker_java_home}"
fi
for f in %%ETCDIR%%/envvars.d/*.env
do
. ${f}
done
}
tasktracker_stop ()
{
su -m ${tasktracker_user} -c "${command} --config ${HADOOP_CONF_DIR} stop tasktracker"
}
run_rc_command "$1"
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