more general region check

inventory_provider/routes/poller.py

@@ -907,7 +907,11 @@ def load_interfaces_to_poll(config, hostname=None, no_lab=False, use_next_redis=
                     ifc['circuits'] = ifc_services_and_customers['services']
 
                 _customers = ifc_services_and_customers.get('customers', [])
-                region = 'EAP' if any(customer in region_index.get('EAP', []) for customer in _customers) else None
+                region = None
+                for region_name in region_index:
+                    if any(customer['name'] in region_index[region_name] for customer in _customers):
+                        region = region_name
+                        break
                 dashboards = _get_dashboards(ifc, region)
                 ifc['dashboards'] = sorted([d.name for d in dashboards])