Move ddns scripting to new role

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

@@ -0,0 +1,48 @@
+import requests
+import logging
+
+class CloudflareAPIException(Exception):
+    def __init__(self, message, response) -> None:
+        full_message = f'Cloudflare request failed (code: {response.status_code}): {message}\n\nServer body:\n{response.text}'
+        super().__init__(full_message)
+
+class CloudFlare:
+    def __init__(self, api_token):
+        self.headers = {'Content-Type': 'application/json', 'Authorization': f'Bearer {api_token}'}
+
+    def get_zone_id(self, domain):
+        response = requests.get(f'https://api.cloudflare.com/client/v4/zones?name={domain}', headers=self.headers)
+
+        if response.status_code != 200:
+            raise CloudflareAPIException('Something went wrong requesting the zone of the domain on Cloudflare...', response)
+
+        zone_id = response.json()['result'][0]['id']
+        return zone_id
+
+    def get_record_id(self, zoneId, record):
+        logging.debug('Getting record id...')
+        response = requests.get(f'https://api.cloudflare.com/client/v4/zones/{zoneId}/dns_records?name={record}', headers=self.headers)
+
+        if response.status_code != 200:
+            raise CloudflareAPIException('Something went wrong requesting the record id of the domain name on Cloudflare...', response)
+
+        return response.json()['result'][0]['id']
+
+
+    def change_record(self, subdomain, zoneId, recordId, targetIp):
+        logging.info(f'Changing record for {subdomain} to point to {targetIp}...')
+        response = requests.put(f'https://api.cloudflare.com/client/v4/zones/{zoneId}/dns_records/{recordId}',
+                        headers=self.headers,
+                        json={
+                            'content': targetIp,
+                            'name': subdomain,
+                            'proxied': False,
+                            'type': 'A',
+                            'comment': 'Is set to change with my DDNS script (on the Raspberry Pi).',
+                            'ttl': 1 # Meaning "Automatic", see: https://developers.cloudflare.com/api/operations/dns-records-for-a-zone-update-dns-record
+                        })
+
+        if response.status_code != 200:
+            raise CloudflareAPIException('Something went wrong updating the dns record...', response)
+
+        logging.info('Succesfully updated the record ✅!')