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#!/sbin/openrc-run
# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/www-servers/uwsgi/files/uwsgi.initd-r3,v 1.1 2013/03/01 09:50:06 ultrabug Exp $

PROGNAME=${SVCNAME#*.}

UWSGI_EXEC=/usr/sbin/uwsgi
if [ "${SVCNAME}" == "uwsgi" ]; then
	PIDPATH=/var/run/uwsgi
else
	PIDPATH="/var/run/uwsgi_${PROGNAME}"
fi
PIDFILE="${PIDPATH}/${PROGNAME}.pid"

extra_started_commands="${opts} reload stats"

depend() {
	need net
}

start_pre() {
	checkpath -d -m 0750 -o "${UWSGI_USER}":"${UWSGI_GROUP}" "${PIDPATH}"
}

start_emperor() {
	local OPTIONS
	OPTIONS="--daemonize"

	if [ -n "${UWSGI_LOG_FILE}" ]; then
		OPTIONS="${OPTIONS} ${UWSGI_LOG_FILE}"
	else
		OPTIONS="${OPTIONS} /dev/null --disable-logging"
	fi

	[ -z "${UWSGI_DIR}" ] && UWSGI_DIR="/"
	[ -z "${UWSGI_USER}" ] && UWSGI_USER="root"
	[ -z "${UWSGI_GROUP}" ] && UWSGI_GROUP="root"

	if [ -n "${UWSGI_EXTRA_OPTIONS}" ]; then
		OPTIONS="${OPTIONS} ${UWSGI_EXTRA_OPTIONS}"
	fi

	ebegin "Starting uWSGI emperor"
	cd "${UWSGI_DIR}" && \
	start-stop-daemon --start --user "${UWSGI_USER}" --exec "${UWSGI_EXEC}" \
		--group ${UWSGI_EMPEROR_GROUP:-${UWSGI_GROUP}} \
		-- --emperor "${UWSGI_EMPEROR_PATH}" ${OPTIONS} --pidfile "${PIDFILE}"
	return $?
}

start_app() {
	local OPTIONS
	OPTIONS="--master --daemonize"

	if [ -n "${UWSGI_LOG_FILE}" ]; then
		OPTIONS="${OPTIONS} ${UWSGI_LOG_FILE}"
	else
		OPTIONS="${OPTIONS} /dev/null --disable-logging"
	fi

	[ -z "${UWSGI_DIR}" ] && UWSGI_DIR="/"
	[ -z "${UWSGI_USER}" ] && UWSGI_USER="root"
	[ -z "${UWSGI_GROUP}" ] && UWSGI_GROUP="root"

	if [ -n "${UWSGI_EXTRA_OPTIONS}" ]; then
		OPTIONS="${OPTIONS} ${UWSGI_EXTRA_OPTIONS}"
	fi

	if [ "${UWSGI_THREADS}" = "1" ]; then
		OPTIONS="${OPTIONS} --enable-threads"
	fi

	if [ -n "${UWSGI_SOCKET}" ]; then
		OPTIONS="${OPTIONS} --socket ${UWSGI_SOCKET}"
	fi

	if [ -n "${UWSGI_PROCESSES}" ]; then
		OPTIONS="${OPTIONS} --processes ${UWSGI_PROCESSES}"
	fi

	if [ -n "${UWSGI_CHROOT}" ]; then
		OPTIONS="${OPTIONS} --chroot ${UWSGI_CHROOT}"
	fi

	if [ -n "${UWSGI_PROGRAM}" ]; then
		OPTIONS="${OPTIONS} --fileserve-mode ${UWSGI_PROGRAM}"
	fi

	if [ -n "${UWSGI_XML_CONFIG}" ]; then
		OPTIONS="${OPTIONS} --xmlconfig ${UWSGI_XML_CONFIG}"
	fi

	ebegin "Starting uWSGI application ${PROGNAME}"
	cd "${UWSGI_DIR}" && \
	start-stop-daemon --start --user "${UWSGI_USER}" --group "${UWSGI_GROUP}" \
		--exec "${UWSGI_EXEC}" -- ${OPTIONS} --pidfile "${PIDFILE}"
	return $?
}

start() {
	if [ "${SVCNAME}" == "uwsgi" ]; then
		if [ -n "${UWSGI_EMPEROR_PATH}" ]; then
			start_emperor
			eend $?
		else
			eerror "You are not supposed to run this script directly unless you"
			eerror "want to run in Emperor mode. In that case please set the UWSGI_EMPEROR_PATH."
			eerror "Otherwise create a symlink for the uwsgi application you want to run as well as"
			eerror "a copy of the configuration file and modify it appropriately like so..."
			eerror
			eerror "  ln -s uwsgi /etc/init.d/uwsgi.trac"
			eerror "  cp /etc/conf.d/uwsgi /etc/conf.d/uwsgi.trac"
			eerror "  nano /etc/conf.d/uwsgi.trac"
			eerror
			return 1
		fi
	else
		start_app
		eend $?
	fi
}

stop() {
	if [ -n "${UWSGI_EMPEROR_PATH}" ]; then
		ebegin "Stopping uWSGI emperor"
	else
		ebegin "Stopping uWSGI application ${PROGNAME}"
	fi
	start-stop-daemon --stop --signal QUIT --pidfile "${PIDFILE}"
	eend $?
}

reload() {
	ebegin "Reloading uWSGI"
	start-stop-daemon --signal HUP --pidfile "${PIDFILE}"
	eend $?
}

stats() {
	ebegin "Logging uWSGI statistics"
	start-stop-daemon --signal USR1 --pidfile "${PIDFILE}"
	eend $?
}