Linux 上利用Nginx代理uWSGI处理Flask Web应用

[root@linuxidc ~]# yum update -y
[root@linuxidc ~]# yum groupinstall "Development tools" -y

[root@linuxidc ~]# yum install wget vim telnet python-devel zlib-devel openssl-devel bzip-devel -y

[root@linuxidc ~]# yum install zlib-devel bzip2-devel pcre-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel python-devel libxml2  libxml2-devel  python-setuptools  zlib-devel wget openssl-devel pcre pcre-devel sudo gcc make autoconf automake
 -y

[root@linuxidc ~]# wget https://bootstrap.pypa.io/get-pip.py && python get-pip.py

[root@linuxidc ~]# mkdir soft
[root@linuxidc ~]# cd soft
[root@linuxidc soft]# wget https://pypi.python.org/packages/0c/1c/44849e293e367a157f1ad863cee02b4b865840543254d8fae3ecdebdbdb9/uwsgi-2.0.12.tar.gz
[root@linuxidc soft]# wget https://pypi.python.org/packages/db/9c/149ba60c47d107f85fe52564133348458f093dd5e6b57a5b60ab9ac517bb/Flask-0.10.1.tar.gz

[root@linuxidc soft]# tar -xf Flask-0.10.1.tar.gz
[root@linuxidc ~]# cd Flask-0.10.1
[root@linuxidc Flask-0.10.1]# python setup.py install

[root@linuxidc soft]# tar -xf uwsgi-2.0.12.tar.gz
[root@linuxidc soft]# cd uwsgi-2.0.12
[root@linuxidc uwsgi-2.0.12]# python setup.py install

[root@linuxidc ~]# mkdir -pv /usr/local/webtest
[root@linuxidc ~]# cd /usr/local/webtest

[root@linuxidc webtest]# cat myproject.py
from flask import Flask
application = Flask(__name__)

@application.route("/")
def hello():
    return "<h1 style='color:blue'>Hello Flask!</h1>"

if __name__ == "__main__":
    application.run(host='0.0.0.0')

[root@linuxidc webtest]# cat wsgi.py
from myproject import application

if __name__ == "__main__":
    application.run()

[root@linuxidc webtest]# uwsgi --socket 0.0.0.0:8000 --protocol=http -w wsgi
验证下，看下监听端口
[root@linuxidc webtest]# netstat -aultnp | grep 8000
tcp        0      0 0.0.0.0:8000                0.0.0.0:*                   LISTEN      7181/uwsgi          
tcp        0      0 192.168.30.58:8000          192.168.30.65:48164         TIME_WAIT   -

[root@linuxidc webtest]# cat uwsgi.ini 
[uwsgi]
uid = nginx
gid = nginx
socket = 127.0.0.1:8000  
master = true
vhost = true
workers = 8
reload-mercy = 10
vacuum = true
max-requests = 10000
limit-as = 1024
buffer-sizi = 3000
pidfile = /var/run/uwsgi.pid
daemonize = /var/log/uwsgi/uwsgi.log  
chdir = /usr/local/webtest
module = wsgi
chmod-socket = 660
enable-threads = true

#! /bin/sh
# chkconfig: 2345 55 25
# Description: Startup script for uwsgi webserver on Debian. Place in /etc/init.d and
# run 'update-rc.d -f uwsgi defaults', or use the appropriate command on your
# distro. For CentOS/RedHat run: 'chkconfig --add uwsgi'

### BEGIN INIT INFO
# Provides:          uwsgid
# Required-Start:    $all
# Required-Stop:     $all
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the uwsgi web server
# Description:       starts uwsgi using start-stop-daemon
### END INIT INFO

# Author:   licess
# website:  http://lnmp.org

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DESC="uwsgi daemon"
NAME=uwsgi
DAEMON=/usr/bin/uwsgi
CONFIGFILE=/usr/local/webtest/$NAME.ini
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/uwsgid

set -e
[-x "$DAEMON" ] || exit 0

do_start() {$DAEMON $CONFIGFILE || echo -n "uwsgi already running"
}

do_stop() {$DAEMON --stop $PIDFILE || echo -n "uwsgi not running"
    rm -f $PIDFILE
    echo "$DAEMON STOPED."
}

do_reload() {$DAEMON --reload $PIDFILE || echo -n "uwsgi can't reload"
}

do_status() {ps aux|grep $DAEMON | grep -v grep
}

case "$1" in
 status)
    echo -en "Status $NAME: \n"
    do_status
 ;;
 start)
    echo -en "Starting $NAME: \n"
    do_start
 ;;
 stop)
    echo -en "Stopping $NAME: \n"
    do_stop
 ;;
 reload|graceful)
    echo -en "Reloading $NAME: \n"
    do_reload
 ;;
 *)
    echo "Usage: $SCRIPTNAME {start|stop|reload}" >&2
    exit 3
 ;;
esac

exit 0

uwsgid

[root@linuxidc ~]# chmod +x /etc/init.d/uwsgid 
[root@linuxidc ~]# chkconfig --add uwsgid
[root@linuxidc ~]# chkconfig --level 2345 uwsgid on

[root@linuxidc ~]# chkconfig --list uwsgid
uwsgid             0:off    1:off    2:on    3:on    4:on    5:on    6:off

[root@linuxidc ~]# service uwsgid start
Starting uwsgi: 
[uWSGI] getting INI configuration from /usr/local/webtest/uwsgi.ini

[root@linuxidc ~]# netstat -aultnp | grep :8000
tcp        0      0 127.0.0.1:8000              0.0.0.0:*                   LISTEN      8945/uwsgi

[root@linuxidc ~]# wget https://dl.Fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
[root@linuxidc ~]# rpm -ivh epel-release-6-8.noarch.rpm

[root@linuxidc ~]# yum install nginx -y

[root@linuxidc ~]# cat /etc/nginx/conf.d/default.conf
server {listen       80;
        server_name  192.168.30.58;
          
        location / {
            include  uwsgi_params;
            uwsgi_pass  127.0.0.1:8000;
            uwsgi_param UWSGI_SCRIPT wsgi;
            uwsgi_param UWSGI_CHDIR /usr/local/webtest;
            index  index.html index.htm;
            client_max_body_size 35m;
        }
} 

[root@linuxidc ~]# service nginx start
Starting nginx:                                            [OK]