Wrote new version of script, please test before merging
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2 changed files with 99 additions and 1 deletions
4
.gitignore
vendored
4
.gitignore
vendored
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# Default ignores
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venv/
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venv/
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.idea/
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.vscode/
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96
cloudflare-dns-new.py
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96
cloudflare-dns-new.py
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import sys
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import ipaddress
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from configparser import ConfigParser
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import json
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import copy
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import CloudFlare
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class DNSUpdater:
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def __init__(self, args):
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# Parse config
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config = ConfigParser()
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config.read('config.ini')
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self.HOSTNAME = config['server']['HOSTNAME']
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__TOKEN = config['cloudflare']['TOKEN']
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# Parse args
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try:
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ipversion = args[1].lstrip('-')
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ipaddress_new = args[2]
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except IndexError:
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ipaddress_new = ''
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ipversion = 'skip'
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match ipversion:
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case '4': self.IPVER = 'ipv4'
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case '6': self.IPVER = 'ipv6'
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case 'skip': self.IPVER = ipversion
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case other: raise ValueError(f"Wrong IP Address version given: {ipversion}")
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self.IPNEW = ipaddress_new
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# Cloudflare class
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self._cloudflare = CloudFlare.CloudFlare(token=__TOKEN)
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with open('cloudflare.json', 'r') as file:
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self.dns_replacements = json.load(file)
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def get_zones(self):
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# Cloudflare get zones from API token
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zones = self._cloudflare.zones.get()
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for zone in zones:
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self.zone_id = zone['id']
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self.zone_name = zone['name']
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print(f"Zone ID: {zone['id']} | Zone Name: {zone['name']}")
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def get_dns_records(self, log=False):
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dns_records = self._cloudflare.zones.dns_records.get(self.zone_id)
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dns_names = {'A' : [], 'AAAA' : []}
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for dnsrecord in dns_records:
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if log:
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print(f"DNS Name: {dnsrecord['name']} | ID: {dnsrecord['id']} | Type : {dnsrecord['type']} | IP: {dnsrecord['content']}")
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dns_names[dnsrecord['type']].append(dnsrecord["name"])
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self.DNSNAMES = copy.deepcopy(dns_names)
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def update_records(self):
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if self.IPVER == 'skip':
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self.get_dns_records(log=True)
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return
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self.get_dns_records()
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ipinformation = {
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'ipv4': [ipaddress.IPv4Address, 'A'],
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'ipv6': [ipaddress.IPv6Address, 'AAAA']
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}
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print(f"Updating IP of version {self.IPVER}")
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assert isinstance(ipaddress.ip_address(self.IPNEW), ipinformation[self.IPVER][0]), f'IP {self.IPNEW} is not a valid IPv6 address'
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dnstype = ipinformation[self.IPVER][1]
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names_replace = self.dns_replacements[dnstype]
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print(names_replace)
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for name in names_replace:
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fullname = f"{name}.{self.HOSTNAME}"
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print(fullname)
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for x in self.DNSNAMES:
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if x['name'] == fullname:
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dns_record_id = x['id']
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print(dns_record_id)
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if fullname in self.DNSNAMES[dnstype]:
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new_dnsrecord = {"name": fullname, "type": "AAAA", "content": self.IPNEW}
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print(f"Sending request {new_dnsrecord}")
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r = self._cloudflare.zones.dns_records.patch(self.zone_id, dns_record_id, data=new_dnsrecord)
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print(r)
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if __name__ == '__main__':
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dnsupdate = DNSUpdater(sys.argv)
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dnsupdate.get_zones()
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dnsupdate.update_records()
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