fix: duplicate DNS records + add new test case

selfprivacy_api/services/__init__.py

@@ -61,26 +61,8 @@ class ServiceManager(Service):
     def get_all_required_dns_records() -> list[ServiceDnsRecord]:
         ip4 = network_utils.get_ip4()
         ip6 = network_utils.get_ip6()
-        dns_records: list[ServiceDnsRecord] = [
-            ServiceDnsRecord(
-                type="A",
-                name="api",
-                content=ip4,
-                ttl=3600,
-                display_name="SelfPrivacy API",
-            ),
-        ]
+        dns_records: list[ServiceDnsRecord] = []
 
-        if ip6 is not None:
-            dns_records.append(
-                ServiceDnsRecord(
-                    type="AAAA",
-                    name="api",
-                    content=ip6,
-                    ttl=3600,
-                    display_name="SelfPrivacy API (IPv6)",
-                )
-            )
         for service in ServiceManager.get_enabled_services():
             dns_records += service.get_dns_records(ip4, ip6)
         return dns_records

tests/test_graphql/test_system.py

@@ -3,6 +3,8 @@
 # pylint: disable=missing-function-docstring
 import os
 import pytest
+import json
+from collections import Counter
 
 from selfprivacy_api.graphql.queries.providers import DnsProvider
 
@@ -354,6 +356,31 @@ def test_graphql_get_domain(
     )
 
 
+def test_dns_records_no_duplicates(
+    authorized_client, mock_get_ip4, mock_get_ip6, turned_on, mock_dkim_key
+):
+    """Check for duplicate DNS records"""
+    response = authorized_client.post(
+        "/graphql",
+        json={
+            "query": generate_system_query([API_GET_DOMAIN_INFO]),
+        },
+    )
+
+    assert response.status_code == 200
+
+    dns_records = response.json()["data"]["system"]["domainInfo"]["requiredDnsRecords"]
+
+    serialized_records = [json.dumps(record, sort_keys=True) for record in dns_records]
+
+    record_counts = Counter(serialized_records)
+    duplicates = [
+        json.loads(record) for record, count in record_counts.items() if count > 1
+    ]
+
+    assert len(duplicates) == 0, f"Found duplicate DNS records: {duplicates}"
+
+
 def test_graphql_get_domain_no_dkim(
     authorized_client,
     mock_get_ip4,