1、python web 端的dockerfile
FROM python:2.7 WORKDIR /code ADD . /code EXPOSE 80 CMD python index.py
2、index.py 网站首页py文件
#!/usr/bin/python import sys import BaseHTTPServer from SimpleHTTPServer import SimpleHTTPRequestHandler import socket import fcntl import struct import pickle from datetime import datetime from collections import OrderedDict class HandlerClass(SimpleHTTPRequestHandler): def get_ip_address(self,ifname): s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) return socket.inet_ntoa(fcntl.ioctl( s.fileno(), 0x8915, # SIOCGIFADDR struct.pack('256s', ifname[:15]) )[20:24]) def log_message(self, format, *args): if len(args) < 3 or "200" not in args[1]: return try: request = pickle.load(open("pickle_data.txt","r")) except: request=OrderedDict() time_now = datetime.now() ts = time_now.strftime('%Y-%m-%d %H:%M:%S') server = self.get_ip_address('eth0') host=self.address_string() addr_pair = (host,server) if addr_pair not in request: request[addr_pair]=[1,ts] else: num = request[addr_pair][0]+1 del request[addr_pair] request[addr_pair]=[num,ts] file=open("index.html", "w") file.write("<!DOCTYPE html> <html> <body><center><h1><font color="blue" face="Georgia, Arial" size=8><em>HA</em></font> Webpage Visit Results</h1></center>"); for pair in request: if pair[0] == host: guest = "LOCAL: "+pair[0] else: guest = pair[0] if (time_now-datetime.strptime(request[pair][1],'%Y-%m-%d %H:%M:%S')).seconds < 3: file.write("<p style="font-size:150%" >#"+ str(request[pair][1]) +": <font color="red">"+str(request[pair][0])+ "</font> requests " + "from <<font color="blue">"+guest+"</font>> to WebServer <<font color="blue">"+pair[1]+"</font>></p>") else: file.write("<p style="font-size:150%" >#"+ str(request[pair][1]) +": <font color="maroon">"+str(request[pair][0])+ "</font> requests " + "from <<font color="navy">"+guest+"</font>> to WebServer <<font color="navy">"+pair[1]+"</font>></p>") file.write("</body> </html>"); file.close() pickle.dump(request,open("pickle_data.txt","w")) if __name__ == '__main__': try: ServerClass = BaseHTTPServer.HTTPServer Protocol = "HTTP/1.0" addr = len(sys.argv) < 2 and "0.0.0.0" or sys.argv[1] port = len(sys.argv) < 3 and 80 or int(sys.argv[2]) HandlerClass.protocol_version = Protocol httpd = ServerClass((addr, port), HandlerClass) sa = httpd.socket.getsockname() print "Serving HTTP on", sa[0], "port", sa[1], "..." httpd.serve_forever() except: exit()
3、index.html 空文件
4、haproxy.cfg 配置文件
global log 127.0.0.1 local0 log 127.0.0.1 local1 notice defaults log global mode http option httplog option dontlognull timeout connect 5000ms timeout client 50000ms timeout server 50000ms listen stats bind 0.0.0.0:70 stats enable stats uri / frontend balancer bind 0.0.0.0:80 mode http default_backend web_backends backend web_backends mode http option forwardfor balance roundrobin server weba weba:80 check server webb webb:80 check server webc webc:80 check option httpchk GET / http-check expect status 200
5、docker-compose.yml 文件
weba:
build: ./web
expose:
- 80
webb:
build: ./web
expose:
- 80
webc:
build: ./web
expose:
- 80
haproxy:
image: haproxy
volumes:
- /opt/compose-haproxy-web/haproxy:/haproxy-override
- /opt/compose-haproxy-web/haproxy:/usr/loacl/etc/haproxy
links:
- weba
- webb
- webc
ports:
- "81:80"
- "71:70"
expose:
- "80"
- "70"
路径结构
在compose-haproyx-web 目录下 执行docker-compose up 来启动项目