#!/bin/sh
#
# $FreeBSD$
#
# PROVIDE: namenode
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf to enable this service:
#
# namenode_enable (bool):     Set to NO by default.
#                                Set it to YES to enable namenode.
# namenode_user (str):        Set to %%HADOOP_USER%% by default.
#                                Set to a valid user to change default 
#                                namenode user.
# namenode_java_home (str):	 Unset by default.
#                                Switch to another JVM.
#
# namenode_log_dir (str):	 Unset by default.
# namenode_pid_dir (str):	 Unset by default.
#

. /etc/rc.subr

name=namenode
rcvar=namenode_enable

load_rc_config "${name}"

: ${namenode_enable:=NO}
: ${namenode_user:=%%HADOOP_USER%%}
: ${namenode_group:=%%HADOOP_GROUP%%}

command="%%DATADIR%%/bin/hadoop-daemon.sh"
command_args='--config ${HADOOP_CONF_DIR} start namenode'

start_precmd=namenode_init
stop_precmd=namenode_init
stop_cmd=namenode_stop


namenode_init()
{
	if [ -n "${namenode_java_home}" ]
	then
		export JAVA_HOME="${namenode_java_home}"
	fi

	for f in %%ETCDIR%%/envvars.d/*.env
	do
		. ${f}
	done
	if [ -n "${namenode_log_dir}" ]
	then
		HADOOP_LOG_DIR=${namenode_log_dir}
	fi		

	if [ -n "${namenode_pid_dir}" ]
	then
		HADOOP_LOG_DIR=${namenode_pid_dir}
	fi		

	install -d -m 755 -o ${namenode_user} -g ${namenode_group} ${HADOOP_PID_DIR}
	install -d -m 755 -o ${namenode_user} -g ${namenode_group} ${HADOOP_LOG_DIR}
}

namenode_stop ()
{
	su -m ${namenode_user} -c "${command} --config ${HADOOP_CONF_DIR} stop namenode"
}

run_rc_command "$1"