#!/bin/sh
#
# PROVIDE: graylog
# REQUIRE: NETWORKING SERVERS
# BEFORE: DAEMON
# KEYWORD: shutdown
#

# graylog_enable (bool):
#   Default value: "NO"
#   Flag that determines whether graylog is enabled
#
# graylog_user (username):
#   Default value: "graylog"
#   Name of the graylog user account
#
# graylog_group (group):
#   Default value: "graylog"
#   Name of the graylog group
#
# graylog_config (string)
#   Default value %%ETCDIR%%/graylog.conf
#   Path to the graylog configuration file
#
# graylog_min_mem (string):
#   Default value: 256m
#   Minumum JVM heap size
#
# graylog_max_mem (string):
#   Default value: 1g
#   Maximum JVM heap size
#
# graylog_dir (string):
#   Default value: %%GRAYLOG_DIR%%
#   Path the the graylog installation.
#
# graylog_run_dir (string):
#   Default value: /var/graylog
#   Path the the graylog run folder.
#
# graylog_java_home (string):
#   Default value: %%JAVA_HOME%%
#   Root directory of the desired Java SDK.
#
# graylog_log4j_config (string):
#   Default value: file://%%ETCDIR%%/graylog_logging.xml
#   Path to the log4j configuration file for graylog

. /etc/rc.subr

name=graylog
rcvar=graylog_enable
load_rc_config $name

: ${graylog_enable:="NO"}
: ${graylog_user:="%%GRAYLOGUSER%%"}
: ${graylog_group:="%%GRAYLOGGROUP%%"}
: ${graylog_config:="%%ETCDIR%%/${name}.conf"}
: ${graylog_min_mem:="256m"}
: ${graylog_max_mem:="1g"}
: ${graylog_dir:="%%GRAYLOG_DIR%%"}
: ${graylog_run_dir:="/var/graylog"}
: ${graylog_java_home:="%%JAVA_HOME%%"}
: ${graylog_log4j_config="file://%%ETCDIR%%/graylog_logging.xml"}


java_options=" -Xms${graylog_min_mem} \
               -Xmx${graylog_max_mem} \
               -XX:NewRatio=1 \
               -XX:+ResizeTLAB \
               -XX:+UseConcMarkSweepGC \
               -XX:+CMSConcurrentMTEnabled \
               -XX:+CMSClassUnloadingEnabled \
               -XX:+UseParNewGC \
               -XX:-OmitStackTraceInFastThrow\
               -Djava.library.path=${graylog_dir}/lib/sigar \
               -Dlog4j.configuration=${graylog_log4j_config}"

start_precmd="graylog_precmd"

pidfile=/var/run/${name}.pid
command=/usr/sbin/daemon
procname=`env JAVAVM_DRYRUN=true JAVA_VERSION=1.7+ %%LOCALBASE%%/bin/java | grep JAVAVM_PROG | cut -f 2 -d =`

command_args="-p $pidfile -f /usr/local/bin/java ${java_options} -jar ${graylog_dir}/graylog.jar server --configfile ${graylog_config} --no-pid-file"

graylog_precmd() {
    /usr/bin/install -d -o ${graylog_group} -g ${graylog_group} -m 755 /var/log/graylog
    /usr/bin/install -d -o ${graylog_group} -g ${graylog_group} -m 755 /var/log/graylog/server
    /usr/bin/install -d -o ${graylog_group} -g ${graylog_group} -m 755 ${graylog_run_dir}
    touch $pidfile
    chown ${graylog_user}:${graylog_group} ${pidfile}
    cd ${graylog_run_dir}
}

run_rc_command "$1"