使用uWSGI+Nginx+Supervisor部署管理Django应用程序

zzl001

#!/bin/bash　　#
　　# supervisord   This scripts turns supervisord on
　　# chkconfig:    345 83 04
　　# description:  supervisor is a process control utility.  It has a web based
　　#     xmlrpc interface as well as a few other nifty features.
　　#
　　# source function library
　　. /etc/rc.d/init.d/functions
　　set -a
　　PREFIX=/usr/local/python2.7
　　SUPERVISORD=$PREFIX/bin/supervisord
　　SUPERVISORCTL=$PREFIX/bin/supervisorctl
　　PIDFILE=/var/supervisor/supervisord.pid
　　LOCKFILE=/var/supervisor/supervisord.lock
　　OPTIONS="-c /etc/supervisord.conf"
　　# unset this variable if you don't care to wait for child processes to shutdown before removing the $LOCKFILE-lock
　　WAIT_FOR_SUBPROCESSES=yes
　　# remove this if you manage number of open files in some other fashion
　　ulimit -n 96000
　　RETVAL=0
　　running_pid()
　　{
　　# Check if a given process pid's cmdline matches a given name
　　pid=$1
　　name=$2

[ -z "$pid" ] && return 1

[ ! -d /proc/$pid ] && return 1

　　(cat /proc/$pid/cmdline | tr "\000" "\n"|grep -q $name) || return 1
　　return 0
　　}
　　running()
　　{
　　# Check if the process is running looking at /proc
　　# (works for all users)
　　# No pidfile, probably no daemon present

[ ! -f "$PIDFILE" ] && return 1

　　# Obtain the pid and check it against the binary name
　　pid=`cat $PIDFILE`
　　running_pid $pid $SUPERVISORD || return 1
　　return 0
　　}
　　start() {
　　echo "Starting supervisord: "
　　if [ -e $PIDFILE ]; then
　　echo "ALREADY STARTED"
　　return 1
　　fi
　　# start supervisord with options from sysconfig (stuff like -c)
　　$SUPERVISORD $OPTIONS
　　# show initial startup status
　　$SUPERVISORCTL $OPTIONS status
　　# only create the subsyslock if we created the PIDFILE

[ -e $PIDFILE ] && touch $LOCKFILE

　　}
　　stop() {
　　echo -n "Stopping supervisord: "
　　$SUPERVISORCTL $OPTIONS shutdown
　　if [ -n "$WAIT_FOR_SUBPROCESSES" ]; then
　　echo "Waiting roughly 60 seconds for $PIDFILE to be removed after child processes exit"
　　for sleep in  2 2 2 2 4 4 4 4 8 8 8 8 last; do
　　if [ ! -e $PIDFILE ] ; then
　　echo "Supervisord exited as expected in under $total_sleep seconds"
　　break
　　else
　　if [[ $sleep -eq "last" ]] ; then
　　echo "Supervisord still working on shutting down. We've waited roughly 60 seconds, we'll let it do its thing from here"
　　return 1
　　else
　　sleep $sleep
　　total_sleep=$(( $total_sleep + $sleep ))
　　fi
　　fi
　　done
　　fi
　　# always remove the subsys. We might have waited a while, but just remove it at this point.
　　rm -f $LOCKFILE
　　}
　　restart() {
　　stop
　　start
　　}
　　case "$1" in
　　start)
　　start
　　RETVAL=$?
　　;;
　　stop)
　　stop
　　RETVAL=$?
　　;;
　　restart|force-reload)
　　restart
　　RETVAL=$?
　　;;
　　reload)

　　$SUPERVISORCTL $OPTIONS>　　RETVAL=$?
　　;;
　　condrestart)

[ -f $LOCKFILE ] && restart

　　RETVAL=$?
　　;;
　　status)
　　$SUPERVISORCTL $OPTIONS status
　　if running ; then
　　RETVAL=0
　　else
　　RETVAL=1
　　fi
　　;;
　　*)
　　echo $"Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}"
　　exit 1
　　esac
　　exit $RETVAL