Fix action managed upgrades

Use the resolve_CONFIGS function to resolve the current set
of CONFIGS for the charm, rather than directly referencing
the CONFIGS global variable which will not be initialized
during action invocation.

Change-Id: Ifd084c94c9808b49dda39bafed9345bfbf6aab81
Closes-Bug: 1876585

actions/openstack_upgrade.py

@@ -25,7 +25,7 @@ from neutron_utils import (
 
 from neutron_hooks import (
     config_changed,
-    CONFIGS,
+    resolve_CONFIGS,
 )
 
 
@@ -39,7 +39,7 @@ def openstack_upgrade():
 
     if do_action_openstack_upgrade(NEUTRON_COMMON,
                                    do_openstack_upgrade,
-                                   CONFIGS):
+                                   resolve_CONFIGS()):
         config_changed()
 
 

unit_tests/test_actions_openstack_upgrade.py

@@ -14,6 +14,7 @@ TO_PATCH = [
     'config_changed',
     'charmhelpers.core.hookenv.log',
     'charmhelpers.contrib.openstack.utils.juju_log',
+    'resolve_CONFIGS',
 ]