add haproxy_web examples
Baohua Yang
parent
e64db38a1e
commit
45f968244e
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@ -25,6 +25,9 @@ Elk cluster, with netflow support.
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docker-compose scale es=3
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```
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## haproxy_web
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A simple haproxy and web applications cluster.
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## mongo_cluster
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Start 3 mongo instance to make a replica set.
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@ -0,0 +1,32 @@
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# This will start a haproxy and three web services. haproxy will act as a loadbalancer.
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# Authors: yeasy.github.com
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# Date: 2015-11-15
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weba:
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build: ./web
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expose:
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- 80
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webb:
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build: ./web
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expose:
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- 80
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webc:
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build: ./web
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expose:
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- 80
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haproxy:
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image: haproxy:1.6
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volumes:
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- ./haproxy:/haproxy-override
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- ./haproxy/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro
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links:
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- weba
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- webb
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- webc
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ports:
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- "80:80"
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- "70:70"
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@ -0,0 +1,38 @@
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global
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log 127.0.0.1 local0
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log 127.0.0.1 local1 notice
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maxconn 4096
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defaults
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log global
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mode http
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option httplog
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option dontlognull
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timeout connect 5000ms
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timeout client 50000ms
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timeout server 50000ms
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listen stats
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bind 0.0.0.0:70
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mode http
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stats enable
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stats hide-version
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stats scope .
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stats realm Haproxy\ Statistics
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stats uri /
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stats auth user:pass
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frontend balancer
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bind 0.0.0.0:80
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mode http
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default_backend web_backends
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backend web_backends
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mode http
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option forwardfor
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balance roundrobin
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server weba weba:80 check
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server webb webb:80 check
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server webc webc:80 check
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option httpchk GET /
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http-check expect status 200
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@ -0,0 +1,5 @@
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FROM python:2.7
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WORKDIR /code
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ADD . /code
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EXPOSE 80
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CMD python index.py
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@ -0,0 +1,68 @@
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#!/usr/bin/python
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#authors: yeasy.github.com
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#date: 2013-07-05
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import sys
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import BaseHTTPServer
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from SimpleHTTPServer import SimpleHTTPRequestHandler
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import socket
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import fcntl
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import struct
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import pickle
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from datetime import datetime
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from collections import OrderedDict
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class HandlerClass(SimpleHTTPRequestHandler):
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def get_ip_address(self,ifname):
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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return socket.inet_ntoa(fcntl.ioctl(
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s.fileno(),
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0x8915, # SIOCGIFADDR
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struct.pack('256s', ifname[:15])
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)[20:24])
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def log_message(self, format, *args):
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if len(args) < 3 or "200" not in args[1]:
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return
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try:
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request = pickle.load(open("pickle_data.txt","r"))
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except:
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request=OrderedDict()
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time_now = datetime.now()
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ts = time_now.strftime('%Y-%m-%d %H:%M:%S')
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server = self.get_ip_address('eth0')
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host=self.address_string()
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addr_pair = (host,server)
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if addr_pair not in request:
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request[addr_pair]=[1,ts]
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else:
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num = request[addr_pair][0]+1
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del request[addr_pair]
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request[addr_pair]=[num,ts]
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file=open("index.html", "w")
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file.write("<!DOCTYPE html> <html> <body><center><h1><font color=\"blue\" face=\"Georgia, Arial\" size=8><em>HA</em></font> Webpage Visit Results</h1>");
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for pair in request:
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if pair[0] == host:
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guest = "LOCAL: "+pair[0]
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else:
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guest = pair[0]
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if (time_now-datetime.strptime(request[pair][1],'%Y-%m-%d %H:%M:%S')).seconds < 3:
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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>")
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else:
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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>")
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file.write("</center></body> </html>");
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file.close()
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pickle.dump(request,open("pickle_data.txt","w"))
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if __name__ == '__main__':
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try:
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ServerClass = BaseHTTPServer.HTTPServer
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Protocol = "HTTP/1.0"
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addr = len(sys.argv) < 2 and "0.0.0.0" or sys.argv[1]
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port = len(sys.argv) < 3 and 80 or int(sys.argv[2])
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HandlerClass.protocol_version = Protocol
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httpd = ServerClass((addr, port), HandlerClass)
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sa = httpd.socket.getsockname()
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print "Serving HTTP on", sa[0], "port", sa[1], "..."
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httpd.serve_forever()
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except:
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exit()
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