#!/sbin/openrc-run # Copyright 1999-2017 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 extra_commands="configtest" extra_started_commands="upgrade reload" description="Robust, small and high performance http and reverse proxy server" description_configtest="Run nginx' internal config check." description_upgrade="Upgrade the nginx binary without losing connections." description_reload="Reload the nginx configuration without losing connections." NGINX_CONFIGFILE=${NGINX_CONFIGFILE:-/etc/nginx/nginx.conf} command="/usr/sbin/nginx" command_args="-c \"${NGINX_CONFIGFILE}\"" start_stop_daemon_args=${NGINX_SSDARGS:-"--wait 1000"} pidfile=${NGINX_PIDFILE:-/run/nginx.pid} user=${NGINX_USER:-nginx} group=${NGINX_GROUP:-nginx} retry=${NGINX_TERMTIMEOUT:-"TERM/60/KILL/5"} depend() { need net use dns logger netmount } start_pre() { if [ "${RC_CMD}" != "restart" ]; then configtest || return 1 fi } stop_pre() { if [ "${RC_CMD}" = "restart" ]; then configtest || return 1 fi } stop_post() { rm -f ${pidfile} } reload() { configtest || return 1 ebegin "Refreshing nginx' configuration" start-stop-daemon --signal SIGHUP --pidfile "${pidfile}" eend $? "Failed to reload nginx" } upgrade() { configtest || return 1 ebegin "Upgrading nginx" einfo "Sending USR2 to old binary" start-stop-daemon --signal SIGUSR2 --pidfile "${pidfile}" einfo "Sleeping 3 seconds before pid-files checking" sleep 3 if [ ! -f "${pidfile}.oldbin" ]; then eerror "File with old pid not found" return 1 fi if [ ! -f "${pidfile}" ]; then eerror "New binary failed to start" return 1 fi einfo "Sleeping 3 seconds before WINCH" sleep 3 # Cannot send "WINCH" using start-stop-daemon yet, https://bugs.gentoo.org/604986 kill -WINCH $(cat "${pidfile}.oldbin") einfo "Sending QUIT to old binary" start-stop-daemon --signal SIGQUIT --pidfile "${pidfile}.oldbin" einfo "Upgrade completed" eend $? "Upgrade failed" } configtest() { ebegin "Checking nginx' configuration" ${command} -c "${NGINX_CONFIGFILE}" -t -q if [ $? -ne 0 ]; then ${command} -c "${NGINX_CONFIGFILE}" -t fi eend $? "failed, please correct errors above" }