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Added a example to update a dynamic DNS entry via CloudFlare v4 API
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#!/usr/bin/env python | ||
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import os | ||
import sys | ||
sys.path.insert(0, os.path.abspath('..')) | ||
import CloudFlare | ||
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import re | ||
import json | ||
import requests | ||
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def my_ip_address(): | ||
# This list is adjustable - plus some v6 enabled services are needed | ||
# url = 'http://myip.dnsomatic.com' | ||
# url = 'http://www.trackip.net/ip' | ||
# url = 'http://myexternalip.com/raw' | ||
url = 'https://api.ipify.org' | ||
try: | ||
ip_address = requests.get(url).text | ||
except: | ||
exit('%s: failed' % (url)) | ||
if ip_address == '': | ||
exit('%s: failed' % (url)) | ||
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if ':' in ip_address: | ||
ip_address_type = 'AAAA' | ||
else: | ||
ip_address_type = 'A' | ||
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return ip_address, ip_address_type | ||
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def main(): | ||
try: | ||
dns_name = sys.argv[1] | ||
except: | ||
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 | ||
try: | ||
params = {'name':zone_name} | ||
zones = cf.zones.get(params=params) | ||
except CloudFlare.CloudFlareAPIError as e: | ||
exit('/zones %d %s - api call failed' % (e, e)) | ||
except Exception as e: | ||
exit('/zones.get - %s - api call failed' % (e)) | ||
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if len(zones) != 1: | ||
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'] | ||
zone_id = zone['id'] | ||
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try: | ||
params = {'name':dns_name,'match':'all','type':ip_address_type} | ||
dns_records = cf.zones.dns_records.get(zone_id, params=params) | ||
except CloudFlare.CloudFlareAPIError as e: | ||
exit('/zones/dns_records %s - %d %s - api call failed' % (dns_name, e, e)) | ||
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did_update = False | ||
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# update the record - unless it's already correct | ||
for dns_record in dns_records: | ||
old_ip_address = dns_record['content'] | ||
old_ip_address_type = dns_record['type'] | ||
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if ip_address_type not in ['A', 'AAAA']: | ||
# we only deal with A / AAAA records | ||
continue | ||
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if ip_address_type != old_ip_address_type: | ||
# only update the correct address type (A or AAAA) | ||
print 'IGNORED: %s %s ; wrong address family' % (dns_name, old_ip_address) | ||
continue | ||
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if ip_address == old_ip_address: | ||
print 'UNCHANGED: %s %s' % (dns_name, ip_address) | ||
did_update = True | ||
continue | ||
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dns_record_id = dns_record['id'] | ||
# update this record - we know it's the same address type | ||
dns_record = { | ||
'name':dns_name, | ||
'type':ip_address_type, | ||
'content':ip_address | ||
} | ||
try: | ||
dns_record = cf.zones.dns_records.put(zone_id, dns_record_id, data=dns_record) | ||
except CloudFlare.CloudFlareAPIError as e: | ||
exit('/zones.dns_records.put %s - %d %s - api call failed' % (dns_name, e, e)) | ||
print 'UPDATED: %s %s -> %s' % (dns_name, old_ip_address, ip_address) | ||
did_update = True | ||
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if did_update == False: | ||
# nothing found - so create record | ||
dns_record = { | ||
'name':host_name, | ||
'type':ip_address_type, | ||
'content':ip_address | ||
} | ||
try: | ||
dns_record = cf.zones.dns_records.post(zone_id, data=dns_record) | ||
except CloudFlare.CloudFlareAPIError as e: | ||
exit('/zones.dns_records.post %s - %d %s - api call failed' % (dns_name, e, e)) | ||
print 'CREATED: %s %s' % (dns_name, ip_address) | ||
exit(0) | ||
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if __name__ == '__main__': | ||
main() | ||
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