diff --git a/.gitignore b/.gitignore
index 616000842c..0a9dbf570d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -57,5 +57,5 @@ publish-docs/
 .*.swp
 .bak
 
-# Policy sample
-etc/trove/policy.yaml.sample
+# Config sample and policy sample
+etc/trove/*.sample
diff --git a/tools/trove-config-generator.conf b/tools/trove-config-generator.conf
index 4f094f240d..6ba2c9d28c 100644
--- a/tools/trove-config-generator.conf
+++ b/tools/trove-config-generator.conf
@@ -2,6 +2,7 @@
 output_file = etc/trove/trove.conf.sample
 wrap_width = 79
 namespace = trove.config
+namespace = oslo.db
 namespace = oslo.messaging
 namespace = oslo.middleware
 namespace = oslo.log