feat(db): Add admin read replica connection (#9440)

api/CHANGELOG.md

@@ -8,6 +8,7 @@ All notable changes to the **Prowler API** are documented in this file.
 - New endpoint to retrieve an overview of the attack surfaces [(#9309)](https://github.com/prowler-cloud/prowler/pull/9309)
 - Lighthouse AI support for Amazon Bedrock API key [(#9343)](https://github.com/prowler-cloud/prowler/pull/9343)
 - Exception handler for provider deletions during scans [(#9414)](https://github.com/prowler-cloud/prowler/pull/9414)
+- Support to use admin credentials through the read replica database [(#9440)](https://github.com/prowler-cloud/prowler/pull/9440)
 
 ### Changed
 - Restore the compliance overview endpoint's mandatory filters [(#9338)](https://github.com/prowler-cloud/prowler/pull/9338)

api/src/backend/api/db_router.py

@@ -26,6 +26,7 @@ class MainRouter:
     default_db = "default"
     admin_db = "admin"
     replica_db = "replica"
+    admin_replica_db = "admin_replica"
 
     def db_for_read(self, model, **hints):  # noqa: F841
         model_table_name = model._meta.db_table
@@ -49,7 +50,12 @@ class MainRouter:
 
     def allow_relation(self, obj1, obj2, **hints):  # noqa: F841
         # Allow relations when both objects originate from allowed connectors
-        allowed_dbs = {self.default_db, self.admin_db, self.replica_db}
+        allowed_dbs = {
+            self.default_db,
+            self.admin_db,
+            self.replica_db,
+            self.admin_replica_db,
+        }
         if {obj1._state.db, obj2._state.db} <= allowed_dbs:
             return True
         return None

api/src/backend/config/django/devel.py

@@ -36,6 +36,14 @@ DATABASES = {
         "HOST": env("POSTGRES_REPLICA_HOST", default=default_db_host),
         "PORT": env("POSTGRES_REPLICA_PORT", default=default_db_port),
     },
+    "admin_replica": {
+        "ENGINE": "psqlextra.backend",
+        "NAME": env("POSTGRES_REPLICA_DB", default=default_db_name),
+        "USER": env("POSTGRES_ADMIN_USER", default="prowler"),
+        "PASSWORD": env("POSTGRES_ADMIN_PASSWORD", default="S3cret"),
+        "HOST": env("POSTGRES_REPLICA_HOST", default=default_db_host),
+        "PORT": env("POSTGRES_REPLICA_PORT", default=default_db_port),
+    },
 }
 
 DATABASES["default"] = DATABASES["prowler_user"]

api/src/backend/config/django/production.py

@@ -37,6 +37,14 @@ DATABASES = {
         "HOST": env("POSTGRES_REPLICA_HOST", default=default_db_host),
         "PORT": env("POSTGRES_REPLICA_PORT", default=default_db_port),
     },
+    "admin_replica": {
+        "ENGINE": "psqlextra.backend",
+        "NAME": env("POSTGRES_REPLICA_DB", default=default_db_name),
+        "USER": env("POSTGRES_ADMIN_USER"),
+        "PASSWORD": env("POSTGRES_ADMIN_PASSWORD"),
+        "HOST": env("POSTGRES_REPLICA_HOST", default=default_db_host),
+        "PORT": env("POSTGRES_REPLICA_PORT", default=default_db_port),
+    },
 }
 
 DATABASES["default"] = DATABASES["prowler_user"]