1 #!/bin/bash
  2 ######################################################
  3 ## Modify by adam.li@ismole.com at 2012-07-20 13:52 ##
  4 ## Compatible with RedHat/CentOS Debian/Ubuntu SUSE ##
  5 ######################################################
  6
  7 # Support chkconfig on RedHat/CentOS
  8 # chkconfig:   2345 90 60
  9 # description: nginx
 10 # processname: nginx
 11 # config:      /usr/local/nginx/conf/nginx.conf
 12 # pidfile:     /var/run/nginx.pid
 13
 14 # Support Linux Standard Base Core Specification 3.2
 15 ### BEGIN INIT INFO
 16 # Provides:          nginx
 17 # Required-Start:    $local_fs $syslog $network
 18 # Required-Stop:
 19 # Default-Start:     2 3 4 5
 20 # Default-Stop:      0 S 1 6
 21 # Short-Description: start/stop nginx daemon
 22 # Description:       nginx is a web server, http and mail proxy server
 23 ### END INIT INFO
 24
 25 #debug
 26 #set -x
 27 #check unbound variables
 28 #set -u
 29 # Scripts PATH enviroment
 30 export PATH="/usr/bin:/bin:/usr/sbin:/sbin"
 31 # disable core dump
 32 ulimit -c 0
 33 # return value
 34 RETVAL=0
 35 # nginx general config
 36 PROG="nginx"
 37 SYMLINK=$(readlink -f /usr/local/nginx)
 38 BASEDIR=${SYMLINK:-/usr/local/nginx}
 39 DAEMON="${BASEDIR}/sbin/nginx"
 40 CONF="${BASEDIR}/conf/nginx.conf"
 41 PIDFILE="/var/run/${PROG}.pid"
 42 LOCKFILE="/var/lock/$PROG"
 43 # nginx start timeout milliscond
 44 STARTTIME=10000
 45 # nginx stop timeout milliscond
 46 STOPTIME=10000
 47
 48 #Common Function
 49 color_msg(){
 50     local COLOR=$1
 51     local MSG=$2
 52     OFFSET="\033[60G"
 53     NORMAL="\033[0m"
 54     case $COLOR in
 55         red)
 56             COLOR="\033[1;40;31m"
 57             ;;
 58         green)
 59             COLOR="\033[1;40;32m"
 60             ;;
 61         yellow)
 62             COLOR="\033[1;40;33m"
 63             ;;
 64         *)
 65             COLOR="\033[0m"
 66             ;;
 67     esac
 68     echo -en "$OFFSET [$COLOR $MSG $NORMAL"
 69     echo     "]"
 70 }
 71
 72 configtest() {
 73     echo -n "Configtest $PROG : "
 74     $DAEMON -tq -c $CONF >/dev/null 2>&1
 75     if [ $? -eq 0 ] ;then
 76         color_msg green SUCCESS
 77     else
 78         color_msg red FAILED && exit 1
 79     fi
 80 }
 81
 82 start() {
 83     echo -n "Starting $PROG : "
 84     PROC_PID=$(pgrep -P 1 -u root ^$PROG)
 85     if [ -n "$PROC_PID" ]; then
 86         echo -n "is already running."
 87         color_msg yellow WARNING
 88     else
 89         $DAEMON -c $CONF >/dev/null 2>&1
 90         if [  $? -eq 0 ]; then
 91             color_msg green SUCCESS && touch $LOCKFILE
 92         else
 93             color_msg red FAILED && exit 1
 94         fi
 95     fi
 96 }
 97
 98 stop() {
 99     echo -n "Stopping $PROG : "
100     PROC_PID=$(pgrep -P 1 -u root ^$PROG)
101     if [ -z "$PROC_PID" ]; then
102         echo -n "is not running."
103         color_msg yellow WARNING
104     else
105         kill -TERM ${PROC_PID} >/dev/null 2>&1
106         while [ "$STOPTIME" -gt 0 ]; do
107             kill -0 ${PROC_PID} >/dev/null 2>&1 || break
108             STOPTIME=$(($STOPTIME-1))
109             echo -n "." && sleep 0.001s
110         done
111         if [ "$STOPTIME" -le 0 ]; then
112             color_msg red TIMEOUT && exit 1
113         else
114             color_msg green SUCCESS
115             rm -f $PIDFILE $LOCKFILE
116         fi
117     fi
118 }
119
120 restart() {
121         echo -n "Restart $PROG : "
122         echo
123         echo -en "\t" && stop
124         echo -en "\t" && start
125 }
126
127 reload() {
128     echo -n "Reloading $PROG : "
129     PROC_PID=$(pgrep -P 1 -u root ^$PROG)
130     if [ -n "$PROC_PID" ]; then
131         kill -HUP ${PROC_PID} >/dev/null 2>&1
132         if [  $? -eq 0 ]; then
133             color_msg green SUCCESS
134         else
135             color_msg red FAILED && exit 1
136         fi
137     else
138         echo -n "is not running."
139         color_msg yellow WARNING
140     fi
141 }
142
143 status() {
144     PROC_PID=$(pgrep -P 1 -u root ^$PROG)
145     if [ -z "$PROC_PID" ];then
146         echo "$PROG is stopped"
147         exit 3
148     else
149         echo "$PROG (pid $PROC_PID) is running..."
150         exit 0
151     fi
152 }
153
154 quit() {
155     echo -n "Quit $PROG : "
156     PROC_PID=$(pgrep -P 1 -u root ^$PROG)
157     if [ -z "$PROC_PID" ]; then
158         echo -n "is not running."
159         color_msg yellow WARNING
160     else
161         kill -QUIT ${PROC_PID} >/dev/null 2>&1
162         while [ "$STOPTIME" -gt 0 ]; do
163             kill -0 ${PROC_PID} >/dev/null 2>&1 || break
164             STOPTIME=$(($STOPTIME-1))
165             echo -n "." && sleep 0.001s
166         done
167         if [ "$STOPTIME" -le 0 ]; then
168             color_msg red TIMEOUT && exit 1
169         else
170             color_msg green SUCCESS
171             rm -f $PIDFILE $LOCKFILE
172         fi
173     fi
174 }
175
176 logrotate() {
177     echo -n "Re-opening $PROG log file : "
178     PROC_PID=$(pgrep -P 1 -u root ^$PROG)
179     if [ -z "$PROC_PID" ]; then
180         echo -n "is not running."
181         color_msg yellow WARNING
182     else
183         kill -USR1 ${PROC_PID} >/dev/null 2>&1
184         if [ $? -eq 0 ]; then
185             color_msg green SUCCESS
186         else
187             color_msg red FAILED && exit 1
188         fi
189     fi
190 }
191
192 case "$1" in
193     configtest)
194         configtest
195         ;;
196     start)
197         configtest
198         start
199         ;;
200     stop)
201         stop
202         ;;
203     restart|try-restart)
204         configtest
205         restart
206         ;;
207     reload|force-reload)
208         configtest
209         reload
210         ;;
211     status)
212         status
213         ;;
214     quit)
215         quit
216         ;;
217     logrotate)
218         logrotate
219         ;;
220     *)
221        echo $"Usage: $0 {configtest|start|stop|restart|reload|status|quit|logrotate}"
222        exit 1
223     ;;
224 esac