bundles: code style improvements

bundles/radvd/items.py

@@ -9,11 +9,11 @@ if node.has_bundle('pppd'):
     }
 
     # Will be started and stopped by pppd.
-    should_be_running = None
-    should_be_enabled = False
+    SHOULD_BE_RUNNING = None
+    SHOULD_BE_ENABLED = False
 else:
-    should_be_running = True
-    should_be_enabled = True
+    SHOULD_BE_RUNNING = True
+    SHOULD_BE_ENABLED = True
 
 files['/etc/radvd.conf'] = {
     'content_type': 'mako',
@@ -27,8 +27,8 @@ files['/etc/radvd.conf'] = {
 
 svc_systemd = {
     'radvd': {
-        'running': should_be_running,
-        'enabled': should_be_enabled,
+        'running': SHOULD_BE_RUNNING,
+        'enabled': SHOULD_BE_ENABLED,
         'needs': {
             'file:/etc/radvd.conf',
         },