场景：办公网络访问云资源，公司出口IP会变，试试更新到安全组
脚本如下：
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time : 2023/11/15 13:12
# @File : security_group.py
# @Author : zk_linux
# @Software: PyCharm
# @Description：
import json
import socket
from aliyunsdkecs.request.v20140526 import DescribeSecurityGroupAttributeRequest, RevokeSecurityGroupRequest, AuthorizeSecurityGroupRequest
from aliyunsdkcore.client import AcsClient
from aliyunsdkecs.request.v20140526 import RevokeSecurityGroupRequest
from aliyunsdkcore.acs_exception.exceptions import ServerException
import logging
import time
# 认证信息
access_key_id = ""
access_key_secret = ""
# 地域
region_id = "cn-hangzhou"
# 安全组 ID
security_group_id = "sg-"
port = "80/80"
# 公司出口域名
hostname = "www.abc.cn"
# hostname = "baidu.com"
# 初始化实例
client = AcsClient(access_key_id, access_key_secret, 'cn-hangzhou')
# 日志路径
file_path = '/tmp/ip_address.log'
logging.basicConfig(level=logging.INFO,
filename=file_path,
filemode='a',
format='%(asctime)s - %(pathname)s[line:%(lineno)d] - %(levelname)s: %(message)s'
)
class Domain_name_resolution:
def __init__(self, name):
self.name = name
def domain_name(self):
'''
解析域名--> IP
:return: IP
'''
try:
ip_address = socket.gethostbyname(self.name)
return ip_address
except socket.error as e:
print(f"Error: {e}")
return None
class Query_rule:
def __init__(self, sg_id, client):
self.sg_id = sg_id
self.client = client
def query_rule(self):
'''
查询安全组80规则
:return: 0 规则不存在
'''
describe_request = DescribeSecurityGroupAttributeRequest.DescribeSecurityGroupAttributeRequest()
describe_request.set_SecurityGroupId(self.sg_id)
describe_response = self.client.do_action_with_exception(describe_request)
current_ip_ranges = describe_response.decode('utf-8')
data = json.loads(current_ip_ranges)
source_cidr_ip = data.get('Permissions', {}).get('Permission', [{}])
for i in source_cidr_ip:
if i.get('PortRange') != "80/80":
return 0
else:
return i.get('SourceCidrIp')
class Delete_old_rules:
def __init__(self, sg_id, port, old_public_ip):
self.security_group_id = sg_id
self.port = port
self.old_public_ip = old_public_ip
def Delete_old_ip(self):
'''
删除规则
:return:
'''
revoke_request = RevokeSecurityGroupRequest.RevokeSecurityGroupRequest()
revoke_request.set_SecurityGroupId(self.security_group_id)
revoke_request.set_IpProtocol("tcp")
revoke_request.set_PortRange(self.port)
revoke_request.set_SourceCidrIp(self.old_public_ip)
revoke_response = client.do_action_with_exception(revoke_request)
return revoke_response
class Add_an_access_rule:
def __init__(self, sg_id, port, new_ip):
self.sg_id = sg_id
self.port = port
self.new_ip = new_ip
def Add_rule(self):
'''
出口IP变动更新到安全组
:return:
'''
authorize_request = AuthorizeSecurityGroupRequest.AuthorizeSecurityGroupRequest()
authorize_request.set_SecurityGroupId(self.sg_id)
authorize_request.set_IpProtocol("tcp")
authorize_request.set_PortRange(self.port)
authorize_request.set_SourceCidrIp(self.new_ip)
authorize_response = client.do_action_with_exception(authorize_request)
return authorize_response
class Check_public_ip:
@classmethod
def Check_ip_is_updated(cls):
# 获取当前出口新IP
ojb1 = Domain_name_resolution(hostname)
new_ip = ojb1.domain_name()
# 获取安全组中失效IP
obj = Query_rule(security_group_id, client)
old_ip = obj.query_rule()
# 入网80端口存在，先删除，在添加
if old_ip != 0:
logging.warning("规则存在")
if old_ip != new_ip:
logging.warning("删除规则")
del_ip = Delete_old_rules(security_group_id, port, old_ip)
del_response = del_ip.Delete_old_ip()
logging.warning("删除响应:{}".format(del_response))
Add = Add_an_access_rule(security_group_id, port, new_ip)
add_response = Add.Add_rule()
logging.info("80入网IP更新，更新IP:{}响应:{}".format(new_ip, add_response))
else:
logging.info("出口IP未更新.")
else:
logging.error("80入网规则不存在")
if __name__ == '__main__':
while True:
zk_net = Check_public_ip()
zk_net.Check_ip_is_updated()
time.sleep(3)
TRANSLATE with