Move ddns scripting to new role

This commit is contained in:
Thomas Kleinendorst 2024-04-10 20:08:19 +02:00
parent 47e5cb4062
commit f29cd352bd
4 changed files with 0 additions and 0 deletions

View file

@ -1,53 +0,0 @@
#!/usr/bin/python3
# Fetches the public IP and updates the record on Cloudflare which is provided as an argument
# to match this public record.
import logging
import sys
import configparser
import argparse
from cloudflare_api import CloudFlare
from ip_helpers import get_public_IP, resolve_name
logging.basicConfig(stream=sys.stdout, level=logging.INFO, format='%(levelname)s - %(message)s')
parser = argparse.ArgumentParser()
parser.add_argument('subdomains', nargs='+')
parser.add_argument('-c', '--config-file', dest='config')
args = parser.parse_args()
config_file_path = args.config
config = configparser.ConfigParser()
config.read(config_file_path)
cloudflare_api_credentials = config['credentials']['dns_cloudflare_token']
cloudflare = CloudFlare(cloudflare_api_credentials)
log_path = config.get('log_changes', 'log_path', fallback=None)
if log_path is not None:
log_path = config['log_changes']['log_path']
logging.info(f'Logging DNS name changes to {log_path} on IP updates.')
publicIP = get_public_IP()
subdomains = args.subdomains
fixedTopLevelDomain = 'kleinendorst.info'
for subdomain in subdomains:
fullDomainName = f'{subdomain}.{fixedTopLevelDomain}'
resolvedIP = resolve_name(fullDomainName)
if resolvedIP == publicIP:
logging.info(f'Currently resolved name already matches the public ip ({publicIP}), exiting...')
exit(0)
zoneId = cloudflare.get_zone_id(fixedTopLevelDomain)
recordId = cloudflare.get_record_id(zoneId, fullDomainName)
cloudflare.change_record(subdomain, zoneId, recordId, publicIP)
with open(log_path, 'a+') as log_file:
msg = f'Address for FQDN {fullDomainName} altered from: {resolvedIP} - {publicIP}.'
logging.info(f'Writing: "{msg}" to log file at {log_path}...')
log_file.write(msg + '\n')