#!/bin/sh
#
# $FreeBSD: head/devel/hadoop2/files/datanode.in 414111 2016-04-27 14:52:41Z demon $
#
# PROVIDE: datanode
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# datanode_enable (bool):        Set to NO by default.
#                                Set it to YES to enable datanode.

. /etc/rc.subr

export PATH=${PATH}:/usr/local/bin
name=datanode
rcvar=datanode_enable
pidfile=/var/run/hadoop/hadoop-hdfs-${name}.pid

load_rc_config "${name}"

: ${datanode_enable:=NO}
: ${datanode_user:=hdfs}

command="/usr/local/sbin/hadoop-daemon.sh"
command_interpreter_execution="/usr/local/openjdk8/bin/java"
command_args='--config /usr/local/etc/hadoop start datanode'

start_postcmd="start_postcmd"
stop_cmd=datanode_stop
status_precmd=find_pid

start_postcmd () {
  rc_pid=$(check_pidfile ${pidfile} /usr/local/openjdk8/bin/java)
  if [ -n "$rc_pid" ]; then
    protect -p $rc_pid
  fi
}

datanode_stop () {
  su -m ${datanode_user} -c "${command} --config /usr/local/etc/hadoop stop datanode"
}

find_pid () {
  rc_pid=$(check_pidfile $pidfile $command_interpreter_execution)
}

run_rc_command "$1"
