#!/bin/sh

# Configuration settings for logstash in /etc/rc.conf:
#
# PROVIDE: logstash
# REQUIRE: DAEMON
# BEFORE:  LOGIN
# KEYWORD: shutdown
#
# logstash_enable (bool):
#   Default value: "NO"
#   Flag that determines whether Logstash is enabled.
#
# logstash_home (string):
#   Default value: "/usr/local/logstash"
#   Logstash installation directory.
#
# logstash_config (string):
#   Default value: /usr/local/etc/${name}/${name}.conf
#   Logstash configuration file path.
#
# logstash_log (bool):
#   Set to "NO" by default.
#   Set it to "YES" to enable logstash logging to file
#   Default output to /var/log/logstash.log
#
# logstash_log_file (string):
#   Default value: "${logdir}/${name}.log"
#   Log file path.
#
# logstash_java_home (string):
#   Default value: "/usr/local/openjdk8"
#   Root directory of the desired Java SDK.
#   The JAVA_HOME environment variable is set with the contents of this
#   variable.
#
# logstash_java_opts (string):
#   Default value: ""
#   Options to pass to the Java Virtual Machine.
#   The JAVA_OPTS environment variable is set with the contents of this
#   variable.
#
# logstash_opts (string):
#   Default value: ""
#   Additional command line flags for logstash, eg. "-r"
#

. /etc/rc.subr

name=logstash
rcvar=logstash_enable

load_rc_config ${name}

logdir="/var/log"

: ${logstash_enable="NO"}
: ${logstash_home="%%LOGSTASH_HOME%%"}
: ${logstash_config="%%ETCDIR%%/${name}.conf"}
: ${logstash_log="YES"}
: ${logstash_log_dir="${logdir}/${name}"}
: ${logstash_java_home="%%JAVA_HOME%%"}
: ${logstash_java_opts=""}
: ${logstash_opts=""}

piddir=/var/run/${name}
pidfile=${piddir}/${name}.pid

if [ -d $piddir ]; then
  mkdir -p $piddir
fi

start_precmd="logstash_precmd"

logstash_cmd="${logstash_home}/bin/logstash"
procname="${logstash_java_home}/bin/java"

logstash_chdir=${logstash_home}
logstash_log_options=""

if checkyesno logstash_log; then
  logstash_log_options=" -l ${logstash_log_dir}" 
fi

logstash_args="-f ${logstash_config} ${logstash_log_options} ${logstash_opts}"

JAVA_OPTS="${logstash_java_opts}"
JAVA_HOME="${logstash_java_home}"
export JAVA_OPTS
export JAVA_HOME

command="/usr/sbin/daemon"
command_args="-f -p ${pidfile} ${logstash_cmd} ${logstash_args}"
required_files="${logstash_home} ${logstash_java_home} ${logstash_cmd} ${logstash_config}"

# Include /usr/local/bin in path because Logstash startup scripts
# assume bash is in path.
PATH=/usr/local/bin:$PATH

logstash_precmd()
{
    /usr/bin/install -d -o root -g wheel -m 755 ${logstash_log_dir}
    /usr/bin/install -d -o root -g wheel -m 755 /var/db/logstash
    /usr/bin/install -d -o root -g wheel -m 755 /var/run/logstash
}


run_rc_command "$1"