fix: fix metadata retrieval from iac types

Signed-off-by: Nikita Pivkin <[email protected]>

lib/cloud/metadata.rego

@@ -10,9 +10,18 @@ import rego.v1
 obj_by_path(obj, path) := res if {
 	occurrences := {obj_path: child_object |
 		walk(obj, [obj_path, child_object])
-		child_object.__defsec_metadata
+		has_metadata(child_object)
 		object.subset(path, obj_path)
 	}
 
 	res := occurrences[max(object.keys(occurrences))]
 } else := obj
+
+has_metadata(obj) if obj.__defsec_metadata
+
+has_metadata(obj) if {
+	obj.fskey
+	has_key(obj, "value")
+}
+
+has_key(x, k) if _ = x[k]

lib/cloud/metadata_test.rego

@@ -31,4 +31,11 @@ test_obj_by_path_skip_without_metadata if {
 	metadata.obj_by_path(obj, ["foo", "baz"]) == obj
 }
 
+test_obj_by_path_happy_iac_type if {
+	bar := {"value": 1, "fskey": "somekey"}
+	obj := with_meta({"foo": with_meta({"bar": bar})})
+
+	metadata.obj_by_path(obj, ["foo", "bar"]) == bar
+}
+
 with_meta(obj) := object.union(obj, {"__defsec_metadata": {}})