Add DDNS service to the Pi

roles/cloudflare-ddns/files/cloudflare_ddns.timer

@@ -0,0 +1,10 @@
+[Unit]
+Description=Cloudflare DDNS timer
+
+[Timer]
+OnCalendar=daily
+RandomizedDelaySec=900
+Persistent=true
+
+[Install]
+WantedBy=timers.target

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

@@ -40,8 +40,8 @@ for subdomain in subdomains:
 
     resolvedIP = resolve_name(fullDomainName)
     if resolvedIP == publicIP:
-        logging.info(f'Currently resolved name already matches the public ip ({publicIP}), exiting...')
-        exit(0)
+        logging.info(f'Currently resolved name already matches the public ip ({publicIP}), skipping this name...')
+        continue
 
     zoneId = cloudflare.get_zone_id(fixedTopLevelDomain)
     recordId = cloudflare.get_record_id(zoneId, fullDomainName)

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

@@ -0,0 +1,3 @@
+#!/usr/bin/bash
+source ~/bin/cloudflare_ddns/venv/bin/activate
+python3 ~/bin/cloudflare_ddns/cloudflare_ddns.py --config-file ~/cloudflare_ddns/ddns_config.ini $@