rc.d script for unicorn (FreeBSD)

README

unicorn_profiles="dev prod"

unicorn_dev_enable="yes"
unicorn_dev_user="devuser"
unicorn_dev_listen="/tmp/unicorn.dev.socket"
unicorn_dev_dir="/usr/local/www/dev"
unicorn_dev_config="/usr/local/www/dev/config.ru"
unicorn_dev_env="development"
unicorn_dev_flags=""	# any additional flags
unicorn_dev_rails="YES" # For rails

unicorn_prod_enable="yes"
unicorn_prod_user="produser"
unicorn_prod_listen="/tmp/unicorn.prod.socket"
unicorn_prod_dir="/usr/local/www/prod"
unicorn_prod_config="/usr/local/www/dev/config.ru"
unicorn_prod_env="production"
unicorn_prod_flags=""	# any additional flags

unicorn.sh

#!/bin/sh

# PROVIDE: unicorn
# REQUIRE: LOGIN cleanvar
# KEYWORD: shutdown

#
# Add the following lines to /etc/rc.conf to enable unicorn:
# unicorn_enable (bool):		Set to "NO" by default.
#				Set it to "YES" to enable unicorn
# unicorn_profiles (str):		Set to "" by default.
#				Define your profiles here.
# unicorn_flags (str):		Set to "" by default.
#				Extra flags passed to start command.

. /etc/rc.subr

name="unicorn"
rcvar=`set_rcvar`

unicorn="/usr/local/bin/unicorn"
unicorn_r="/usr/local/bin/unicorn_rails"
command="/usr/sbin/daemon"
procname="ruby18"

pidprefix="/var/run/unicorn"

[ -z "$unicorn_enable" ]		&& unicorn_enable="NO"

load_rc_config $name

if [ -n "$2" ]; then
	profile="$2"
	if [ "x${unicorn_profiles}" != "x" ]; then
		[ ! -d "$pidprefix" ] && mkdir -m 777 $pidprefix
		pidfile="$pidprefix/${profile}.pid"
		eval unicorn_enable="\${unicorn_${profile}_enable:-${unicorn_enable}}"
		eval unicorn_flags="\${unicorn_${profile}_flags:-${unicorn_flags}}"
		eval unicorn_listen="\${unicorn_${profile}_listen:-${unicorn_listen}}"
		eval unicorn_chdir="\${unicorn_${profile}_dir:-${unicorn_dir}}"
		eval unicorn_config="\${unicorn_${profile}_config:-${unicorn_config}}"
		eval unicorn_user="\${unicorn_${profile}_user:-${unicorn_user}}"
		eval unicorn_env="\${unicorn_${profile}_env:-${unicorn_env}}"
    eval unicorn_rails="\${unicorn_${profile}_rails:-${unicorn_rails}}"


		required_dirs="$unicorn_chdir"
    		[ "$unicorn_rails" = "YES" ] && unicorn_flags="-f -p $pidfile $unicorn_r -l $unicorn_listen ${unicorn_flags}"
		[ "$unicorn_rails" != "YES" ] && unicorn_flags="-f -p $pidfile ${unicorn} -l $unicorn_listen ${unicorn_flags}"

		[ -e "$pidfile" -a "$1" = "start" ] && rm $pidfile
		[ -e "$unicorn_listen" -a "$1" = "start" ] && rm $unicorn_listen
		[ -n "$unicorn_env" ] && unicorn_flags="$unicorn_flags -E $unicorn_env"
		[ -e "$unicorn_config" ] && unicorn_flags="$unicorn_flags $unicorn_config"

		echo $unicorn_flags
	else
		echo "$0: extra argument ignored"
	fi
else
	if [ "x${unicorn_profiles}" != "x" -a "x$1" != "x" ]; then
		for profile in ${unicorn_profiles}; do
			echo "===> unicorn profile: ${profile}"
			$0 $1 ${profile}	# ?
			retcode="$?"
			if [ "0${retcode}" -ne 0 ]; then
				failed="${profile} (${retcode}) ${failed:-}"
			else
				success="${profile} ${success:-}"
			fi
		done
		exit 0
	fi
fi


extra_commands="reload"
sig_reload="USR2"

run_rc_command "$1"