#!/bin/sh [ ! -f /run/nginx.pid ] && exit 1 echo "Start new nginx master..." /bin/systemctl kill --signal=SIGUSR2 nginx.service sleep 5 [ ! -f /run/nginx.pid.oldbin ] && sleep 5 if [ ! -f /run/nginx.pid.oldbin ]; then echo "Failed to start new nginx master." exit 1 fi echo "Stop old nginx master gracefully..." oldpid=`cat /run/nginx.pid.oldbin 2>/dev/null` /bin/kill -s QUIT $oldpid 2>/dev/null