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|
#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: datanode
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf to enable this service:
#
# datanode_enable (bool): Set to NO by default.
# Set it to YES to enable datanode.
# datanode_user (str): Set to %%HADOOP_USER%% by default.
# Set to a valid user to change default
# datanode user.
# datanode_java_home (str): Unset by default.
# Switch to another JVM.
#
# datanode_log_dir (str): Unset by default.
# datanode_pid_dir (str): Unset by default.
#
. /etc/rc.subr
name=datanode
rcvar=datanode_enable
load_rc_config "${name}"
: ${datanode_enable:=NO}
: ${datanode_user:=%%HADOOP_USER%%}
: ${datanode_group:=%%HADOOP_GROUP%%}
command="%%HADOOP_HOME%%/bin/hadoop-daemon.sh"
command_args='--config ${HADOOP_CONF_DIR} start datanode'
start_precmd=datanode_init
stop_precmd=datanode_init
stop_cmd=datanode_stop
datanode_init()
{
if [ -n "${datanode_java_home}" ]
then
export JAVA_HOME="${datanode_java_home}"
fi
for f in %%HADOOP_ETC%%/envvars.d/*.env
do
. ${f}
done
if [ -n "${datanode_log_dir}" ]
then
HADOOP_LOG_DIR=${datanode_log_dir}
fi
if [ -n "${datanode_pid_dir}" ]
then
HADOOP_LOG_DIR=${datanode_pid_dir}
fi
install -d -m 755 -o ${datanode_user} -g ${datanode_group} ${HADOOP_PID_DIR}
install -d -m 755 -o ${datanode_user} -g ${datanode_group} ${HADOOP_LOG_DIR}
}
datanode_stop ()
{
su -m ${datanode_user} -c "${command} --config ${HADOOP_CONF_DIR} stop datanode"
}
run_rc_command "$1"
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