流程图:

 

 

代码

1 #!/sur/bin/env python 2 # -*- coding: utf-8 -*- 3 #{"backend": "www.oldboy.org","record":{"server": "100.1.7.90","weight": 20,"maxconn": 30}} 4 import json 5 import sys 6  7 def add_ha(backend_de): 8     backend_dic = json.loads(backend_de) 9     backend_add = 'server %s weight %s maxconn %s'%(backend_dic['record']['server'],backend_dic['record']['weight'],+backend_dic['record']['maxconn'])10     with open("haproxy.conf") as read_f,open("ceshi","w") as write_f :11         for lines in read_f.readlines():12             write_f.write(lines)13         write_f.write('backend'' '+backend_dic['backend']+'\n')14         write_f.write(' '*8+backend_add) #15 16 def delet_ha(backend_de):17     backend_dic = json.loads(backend_de) ##将字符串转换为相印的数据类型18     backned_check=list(bakcned_dic['backend']) #www.oldboy.org19     backend_del = '        server %s weight %s maxconn %s\n'%(backend_dic['record']['server'],backend_dic['record']['weight'],+backend_dic['record']['maxconn']) ##数据类容20     with open("haproxy.conf") as read_f,open("ceshi","w") as write_f :21         for lines in read_f.readline():22             backend_list=[]23             backend_list.append(lines.strip())24             backend_list.append(lines)25             if lines.strip().split()[2] == backned_check:26                 continue27             elif backend_del == lines :28                 backend_list.remove(lines)29         write_f.write(backend_list)30 31 def change_ha(backend_de):32     backend_dic = json.loads(backend_de) ##将字符串转换为相印的数据类型33     backned_check=list(bakcned_dic['backend']) #www.oldboy.org34     backend_del = '        server %s weight %s maxconn %s\n'%(backend_dic['record']['server'],backend_dic['record']['weight'],+backend_dic['record']['maxconn']) ##数据类容35     with open("haproxy.conf") as read_f,open("ceshi","w") as write_f :36         for lines in read_f.readline():37             backend_list=[]38             backend_list.append(lines.strip())39             backend_list.append(lines)40             if lines.strip().split()[2] == backned_check:41                 write_f.write(backend_del)42                 continue43             elif backend_del == lines :44                 print("类容已存在，请确定后再修改")45                 sys.exit()46         write_f.write(backend_list)47 48 while True:49     number_ha = int(input("1、添加\n2、删除\n3、修改\n请输入以上阿拉伯数字："))50     if number_ha == 1:51         backend_de=input("请输入backend:") #如输入：["bakcend","www.oldboy.org"]52         add_ha(add_file)53     elif number_ha == 2:54         backend_de=input("请输入要删除的bakcned:") #如 www.oldboy.org55         delet_ha(delet_file)56     elif number_ha == 3:57         backend_de=input("请输入要删除的bakcned:")58         change_ha()59     else:60         print("你输入的功能有误,请重新输入")61         continue

ha配置文件

1 frontend oldboy.org2         bind 0.0.0.0:803 4 backend www.oldboy.org5         server 100.1.7.9 1020.1.7.9 weight 20 maxconn 30006 7 backend buy.oldboy.org8         server 100.1.7.90 100.1.7.90 weight 20 maxconn 30000