Fix kms providers

Author: aclark4life

django_mongodb_backend/__init__.py

@@ -2,7 +2,12 @@
 
 # Check Django compatibility before other imports which may fail if the
 # wrong version of Django is installed.
-from .utils import check_django_compatability, get_auto_encryption_opts, parse_uri
+from .utils import (
+    check_django_compatability,
+    get_auto_encryption_opts,
+    get_kms_providers,
+    parse_uri,
+)
 
 check_django_compatability()
 
@@ -15,7 +20,7 @@
 from .lookups import register_lookups  # noqa: E402
 from .query import register_nodes  # noqa: E402
 
-__all__ = ["get_auto_encryption_opts", "parse_uri"]
+__all__ = ["get_auto_encryption_opts", "get_kms_providers", "parse_uri"]
 
 register_aggregates()
 register_checks()

django_mongodb_backend/utils.py

@@ -67,11 +67,13 @@ def get_customer_master_key():
 
 def get_kms_providers():
     """
-    Return the KMS providers for the MongoDB client.
+    Return supported KMS providers for MongoDB Client-Side Field Level Encryption.
     """
-    if not settings.KMS_PROVIDERS:
-        raise ImproperlyConfigured("You must set KMS_PROVIDERS in your Django settings.")
-    return settings.KMS_PROVIDERS
+    return {
+        "local": {
+            "key": get_customer_master_key(),
+        },
+    }
 
 
 def parse_uri(uri, *, db_name=None, test=None, options=None):