140 lines
4.1 KiB
Python
Executable File
140 lines
4.1 KiB
Python
Executable File
#!/usr/bin/env python
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"""Cloudflare API code - example"""
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from __future__ import print_function
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import os
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import sys
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import re
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import json
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import requests
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sys.path.insert(0, os.path.abspath('..'))
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import CloudFlare
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def my_ip_address():
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"""Cloudflare API code - example"""
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# This list is adjustable - plus some v6 enabled services are needed
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# url = 'http://myip.dnsomatic.com'
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# url = 'http://www.trackip.net/ip'
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# url = 'http://myexternalip.com/raw'
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url = 'https://api.ipify.org'
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try:
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ip_address = requests.get(url).text
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except:
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exit('%s: failed' % (url))
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if ip_address == '':
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exit('%s: failed' % (url))
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if ':' in ip_address:
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ip_address_type = 'AAAA'
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else:
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ip_address_type = 'A'
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return ip_address, ip_address_type
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def do_dns_update(cf, zone_name, zone_id, dns_name, ip_address, ip_address_type):
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"""Cloudflare API code - example"""
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try:
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params = {'name':dns_name, 'match':'all', 'type':ip_address_type}
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dns_records = cf.zones.dns_records.get(zone_id, params=params)
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except CloudFlare.exceptions.CloudFlareAPIError as e:
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exit('/zones/dns_records %s - %d %s - api call failed' % (dns_name, e, e))
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updated = False
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# update the record - unless it's already correct
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for dns_record in dns_records:
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old_ip_address = dns_record['content']
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old_ip_address_type = dns_record['type']
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if ip_address_type not in ['A', 'AAAA']:
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# we only deal with A / AAAA records
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continue
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if ip_address_type != old_ip_address_type:
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# only update the correct address type (A or AAAA)
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# we don't see this becuase of the search params above
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print('IGNORED: %s %s ; wrong address family' % (dns_name, old_ip_address))
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continue
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if ip_address == old_ip_address:
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print('UNCHANGED: %s %s' % (dns_name, ip_address))
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updated = True
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continue
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# Yes, we need to update this record - we know it's the same address type
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dns_record_id = dns_record['id']
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dns_record = {
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'name':dns_name,
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'type':ip_address_type,
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'content':ip_address
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}
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try:
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dns_record = cf.zones.dns_records.put(zone_id, dns_record_id, data=dns_record)
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except CloudFlare.exceptions.CloudFlareAPIError as e:
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exit('/zones.dns_records.put %s - %d %s - api call failed' % (dns_name, e, e))
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print('UPDATED: %s %s -> %s' % (dns_name, old_ip_address, ip_address))
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updated = True
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if updated:
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return
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# no exsiting dns record to update - so create dns record
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dns_record = {
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'name':dns_name,
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'type':ip_address_type,
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'content':ip_address
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}
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try:
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dns_record = cf.zones.dns_records.post(zone_id, data=dns_record)
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except CloudFlare.exceptions.CloudFlareAPIError as e:
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exit('/zones.dns_records.post %s - %d %s - api call failed' % (dns_name, e, e))
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print('CREATED: %s %s' % (dns_name, ip_address))
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def main():
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"""Cloudflare API code - example"""
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try:
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dns_name = sys.argv[1]
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except IndexError:
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exit('usage: example-update-dynamic-dns.py fqdn-hostname')
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host_name, zone_name = dns_name.split('.', 1)
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ip_address, ip_address_type = my_ip_address()
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print('MY IP: %s %s' % (dns_name, ip_address))
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cf = CloudFlare.CloudFlare()
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# grab the zone identifier
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try:
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params = {'name':zone_name}
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zones = cf.zones.get(params=params)
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except CloudFlare.exceptions.CloudFlareAPIError as e:
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exit('/zones %d %s - api call failed' % (e, e))
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except Exception as e:
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exit('/zones.get - %s - api call failed' % (e))
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if len(zones) == 0:
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exit('/zones.get - %s - zone not found' % (zone_name))
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if len(zones) != 1:
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exit('/zones.get - %s - api call returned %d items' % (zone_name, len(zones)))
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zone = zones[0]
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zone_name = zone['name']
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zone_id = zone['id']
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do_dns_update(cf, zone_name, zone_id, dns_name, ip_address, ip_address_type)
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exit(0)
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if __name__ == '__main__':
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main()
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