Fix metadata for Galaxy, lint

Change-Id: I7f97ebdf9b85b2de482f64a23031af064ead175a
diff --git a/meta/main.yml b/meta/main.yml
index 28e70f1..ee45a9c 100644
--- a/meta/main.yml
+++ b/meta/main.yml
@@ -5,6 +5,9 @@
 # SPDX-License-Identifier: Apache-2.0
 
 galaxy_info:
+  role_name: node_exporter
+  namespace: onf
+
   author: Open Networking Foundation
   description: Prometheus node exporter
   company: Open Networking Foundation
@@ -13,13 +16,15 @@
 
   license: Apache-2.0
 
-  min_ansible_version: 2.9.5
+  min_ansible_version: 2.10.17
 
   platforms:
-    - name: Ubuntu
+    - name: ubuntu
       versions:
-        - "16.04"
-        - "18.04"
+        - bionic
+    - name: Debian
+      versions:
+        - bullseye
 
   galaxy_tags:
     - nodeexporter