为方便用ipset 来管理防火墙，写了下面Ipset类来对Ip进行管理
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
#!/usr/bin/env python
# coding: utf-8
import MySQLdb
import MySQLdb.cursors
import subprocess
import logging
import re,os
import xml.sax
class XMLHandler(xml.sax.ContentHandler):
'''
用来解析ipset数据
'''
def __init__(self):
self.current_tag = ""
self.current_set = ""
self.mapping = {}
def startElement(self, name, attributes):
self.current_tag = name
if name == 'ipset':
self.current_set = attributes['name']
self.mapping[self.current_set] = []
def characters(self, data):
if self.current_tag == 'elem' and data!='\n':
self.mapping[self.current_set].append(data)
def endElement(self, name):
if name == 'ipset':
self.current_set = ''
def getData(self):
return self.mapping
class IpsetPool(object):
def __init__(self):
self.msg = []
self.config = '/etc/sysconfig/ipset'
self.logger_file = '/data/logs/ipset.log'
self.ipsets = ['manage','center','project']
self.log = self.mylog()
self.ipset_data = self.getIpsetData(XMLHandler)
def sub_call(self,run_cmd, **kwargs):
p = subprocess.Popen(
run_cmd,
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
**kwargs)
outdata, errdata = p.communicate()
retcode = p.wait()
self.msg.append((False,errdata) if retcode != 0 else (True,outdata))
return retcode, outdata, errdata
@staticmethod
def querydb(sql):
host = "192.168.59.128"
user = "dev"
passwd = "123456"
db = "gmweb_res"
conn = MySQLdb.connect(
host=host,
user=user,
passwd=passwd,
db=db,
charset="utf8",
cursorclass=MySQLdb.cursors.DictCursor)
cursor = conn.cursor()
cursor.execute(sql)
rs = cursor.fetchall()
cursor.close()
conn.commit()
conn.close()
return rs
def getManageIps(self):
sql = "select * from host where state not in (6) and `use` REGEXP ',2$|^2,|^2$|,2,';"
return [x["ip1"] for x in self.querydb(sql)]
def getProjectIps(self):
from jgconf.models import projectConf
return [i['saltIp'] for item in projectConf.objects.all() for i in item.getSaltServer()]
def checkAddrIsIn(self, ip, setname):
'''
判断ip是否在某个set中
'''
if ip in self.ipset_data[setname]:
return True
else:
return False
def getIpsetData(self,xml_handler):
'''
获取机器上当前的ipset配置数据
'''
xh = xml_handler()
xml.sax.parseString(self.sub_call('ipset list -o xml')[1], xh)
return xh.getData()
def createSet(self,setname):
self.log.info('create {0} set'.format(setname))
set_cmd = 'ipset create {0} hash:ip'.format(setname)
return self.sub_call(set_cmd)
def renderSetFile(self):
'''
重导配置
'''
self.sub_call('ipset save > {0}'.format(self.config))
def createIpsets(self):
for ipset in self.ipsets:
self.createSet(ipset)
def addIps2Set(self,setname,ips):
if setname not in self.ipsets:
self.log.error('invalid set name!')
return False
if not self.ipset_data.has_key(setname):
self.createSet(setname)
for ip in ips:
if not self.checkAddrIsIn(ip,setname):
self.log.info('add {0} {1}'.format(setname,ip))
self.sub_call('ipset -A {0} {1}'.format(setname,ip))
self.renderSetFile()
def delIpsFromSet(self,setname,ips):
self.log.info(ips)
if setname in self.ipsets and self.ipset_data.has_key(setname):
for ip in ips:
if self.checkAddrIsIn(ip,setname):
self.log.info('delete {0} {1}'.format(setname,ip))
self.sub_call('ipset -D {0} {1}'.format(setname,ip))
self.renderSetFile()
def mylog(self):
logger_dir = os.path.split(self.logger_file)[0]
if not os.path.exists(logger_dir):
os.makedirs(logger_dir)
logger = logging.getLogger("reload")
logger.setLevel(logging.DEBUG)
# create file handler which logs even debug messages
fh = logging.FileHandler(self.logger_file)
fh.setLevel(logging.DEBUG)
# create formatter and add it to the handlers
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
console = logging.StreamHandler()
console.setLevel(logging.DEBUG)
# add the handlers to the logger
logger.addHandler(fh)
logger.addHandler(console)
return logger
def reloadIpset(self):
"""
从文件中加载最新集合
"""
reloadlog = mylog()
try:
# 刷新清空当前规则
sub_call("/etc/init.d/iptables stop")
sub_call("/etc/init.d/ipset restart")
sub_call("/etc/init.d/iptables start")
reloadlog.info("reload成功")
except Exception as e:
reloadlog.info("ipset reload异常 %s" % e)
def loadDefault(self):
#self.addIps2Set('manage',self.getManageIps())
self.addIps2Set('project',self.getProjectIps())
if __name__ == '__main__':
p = IpsetPool()
p.loadDefault()
|
以上这篇python ipset管理 增删白名单的方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/u011085172/article/details/81193200