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#!/usr/bin/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=${NGINX_CONFIGFILE:-/etc/nginx/nginx.conf}
command="/usr/bin/nginx"
command_args="-c \"${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"
}
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