don't count offline node's clients

ffstatus/basestorage.py

@@ -65,17 +65,19 @@ class BaseStorage(object):
 
         for node in self.get_nodes():
             nodes += 1
-            if self.get_nodestatus(node=node) == 'active':
-                nodes_active += 1
 
-            sum_clients += node.get('clientcount', 0)
             nodemacs = [x for x in node.get('macs', [])]
             if 'mac' in node:
                 nodemacs.append(node['mac'])
-            for client in node.get('clients', []):
-                if client in nodemacs:
-                    continue
-                clients.add(client)
+
+            if self.get_nodestatus(node=node) == 'active':
+                nodes_active += 1
+                sum_clients += node.get('clientcount', 0)
+
+                for client in node.get('clients', []):
+                    if client in nodemacs:
+                        continue
+                    clients.add(client)
 
         return {
             'clients_sum': sum_clients,