Initial files push for DDNS Updater

ddns.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python3
+import requests
+import sys
+from datetime import datetime
+
+# -----------------------------
+# CONFIG - only edit this:
+API_TOKEN = "HLNmBZ-4fyCSvR6BErdFtch4jQj3GACePD4yD0xs"
+DOMAINS = [
+    "snieznykoczkodan.com",            # root domain
+    "proxy.snieznykoczkodan.com",      # Nginx Proxy Manager .102
+    "proxmox.snieznykoczkodan.com",    # Proxmox GUI .5
+    "nas.snieznykoczkodan.com",        # Synology - rafnasbox .3
+    "jellyfin.snieznykoczkodan.com",   # Jellyfin .104
+    "seer.snieznykoczkodan.com",       # jellyseer .105
+    "prowlarr.snieznykoczkodan.com",   # porwlarr .105 9696
+    "radarr.snieznykoczkodan.com",     # radarr  .105 7878
+    "sonarr.snieznykoczkodan.com",     # sonarr .105 8989
+    "torrent.snieznykoczkodan.com",    # qbitorrent .106
+    "grafana.snieznykoczkodan.com",    # grafana .108
+    "git.snieznykoczkodan.com"         # gittea .111 3000
+]
+TTL = 120          # 2 minutes
+PROXIED = False    # True = Cloudflare proxy (orange cloud), False = DNS only
+# -----------------------------
+
+BASE_URL = "https://api.cloudflare.com/client/v4"
+HEADERS = {
+    "Authorization": f"Bearer {API_TOKEN}",
+    "Content-Type": "application/json"
+}
+
+def log(msg):
+    now = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    print(f"[{now}] {msg}")
+
+def get_public_ip():
+    try:
+        return requests.get("https://api.ipify.org", timeout=10).text.strip()
+    except Exception as e:
+        log(f"❌ Failed to get public IP: {e}")
+        sys.exit(1)
+
+def get_zone_id(domain):
+    try:
+        # extract the root domain (last two parts)
+        parts = domain.split('.')
+        root_domain = '.'.join(parts[-2:])
+        r = requests.get(f"{BASE_URL}/zones?name={root_domain}", headers=HEADERS)
+        r.raise_for_status()
+        zones = r.json()["result"]
+        if not zones:
+            log(f"❌ No zone found for {root_domain}")
+            sys.exit(1)
+        return zones[0]["id"]
+    except Exception as e:
+        log(f"❌ Error fetching Zone ID for {domain}: {e}")
+        sys.exit(1)
+
+def get_record_id(zone_id, domain):
+    try:
+        r = requests.get(f"{BASE_URL}/zones/{zone_id}/dns_records?type=A&name={domain}", headers=HEADERS)
+        r.raise_for_status()
+        records = r.json()["result"]
+        if not records:
+            log(f"❌ No A record found for {domain}")
+            sys.exit(1)
+        return records[0]["id"], records[0]["content"]
+    except Exception as e:
+        log(f"❌ Error fetching DNS record for {domain}: {e}")
+        sys.exit(1)
+
+def update_dns_record(zone_id, record_id, domain, ip):
+    data = {
+        "type": "A",
+        "name": domain,
+        "content": ip,
+        "ttl": TTL,
+        "proxied": PROXIED
+    }
+    try:
+        r = requests.put(f"{BASE_URL}/zones/{zone_id}/dns_records/{record_id}", headers=HEADERS, json=data)
+        r.raise_for_status()
+        return r.json().get("success", False)
+    except Exception as e:
+        log(f"❌ Failed to update DNS record for {domain}: {e}")
+        return False
+
+def main():
+    ip = get_public_ip()
+    log(f"🌍 Current public IP: {ip}")
+
+    for domain in DOMAINS:
+        zone_id = get_zone_id(domain)
+        record_id, current_ip = get_record_id(zone_id, domain)
+
+        if current_ip == ip:
+            log(f"✅ {domain} already up to date")
+        else:
+            log(f"🔄 Updating {domain} from {current_ip} → {ip}")
+            if update_dns_record(zone_id, record_id, domain, ip):
+                log(f"✅ {domain} updated successfully")
+            else:
+                log(f"❌ {domain} update failed")
+
+if __name__ == "__main__":
+    main()