NSX|P: Create/delete tier1 locale-service upon router create/delete

The NSX backend needs each logical router to have a locale-service
entry, which should also be deleted before the router is deleted.

Change-Id: If64c1b67c19906105b07c6facedf5d07ac36176d

devstack/tools/nsxp_cleanup.py

@@ -174,7 +174,7 @@ class NSXClient(object):
             # remove all nat rules from this router before deletion
             self.cleanup_tier1_nat_rules(rtr['id'])
             try:
-                self.nsxpolicy.tier1.remove_edge_cluster(rtr['id'])
+                self.nsxpolicy.tier1.delete_locale_service(rtr['id'])
             except exceptions.ManagerError as e:
                 # Not always exists
                 pass

vmware_nsx/plugins/nsx_p/plugin.py

@@ -1643,6 +1643,9 @@ class NsxPolicyPlugin(nsx_plugin_common.NsxPluginV3Base):
                 router_name, router['id'],
                 tier0=None,
                 tags=tags)
+            # Also create the empty locale-service as it must always exist
+            self.nsxpolicy.tier1.create_locale_service(router['id'])
+
         #TODO(annak): narrow down the exception
         except Exception as ex:
             with excutils.save_and_reraise_exception():
@@ -1675,6 +1678,7 @@ class NsxPolicyPlugin(nsx_plugin_common.NsxPluginV3Base):
             context, router_id)
 
         try:
+            self.nsxpolicy.tier1.delete_locale_service(router_id)
             self.nsxpolicy.tier1.delete(router_id)
         except nsx_lib_exc.ResourceNotFound:
             # If the resource was not found on the backend do not worry about