Move ddns scripting to new role

roles/cloudflare-ddns/files/cloudflare ddns/cloudflare_ddns.py

@@ -0,0 +1,53 @@
+#!/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')