add_device_type_components.py: update the cached component counts on …

…the Device

scripts/add_device_type_components.py

@@ -7,12 +7,14 @@
                          PowerOutlet, Interface, RearPort, FrontPort,
                          DeviceBay, ModuleBay)
 from extras.scripts import Script, ObjectVar, MultiObjectVar
+from django.db.models import F
 
 
 class AddDeviceTypeComponents(Script):
     class Meta:
         name = "Add Device Type Components"
         description = "Add missing components to selected devices"
+        scheduling_enabled = False
 
     manufacturer = ObjectVar(
             model=Manufacturer,
@@ -41,17 +43,17 @@ def run(self, data, commit):
             # components per the DeviceType definition"
             # Note that ordering is important: e.g. PowerPort before
             # PowerOutlet, RearPort before FrontPort
-            for klass, item, templateitem in [
-                (ConsolePort, 'consoleports', 'consoleporttemplates'),
+            for klass, item, templateitem, counter_name in [
+                (ConsolePort, 'consoleports', 'consoleporttemplates', 'console_port_count'),
                 (ConsoleServerPort, 'consoleserverports',
-                 'consoleserverporttemplates'),
-                (PowerPort, 'powerports', 'powerporttemplates'),
-                (PowerOutlet, 'poweroutlets', 'poweroutlettemplates'),
-                (Interface, 'interfaces', 'interfacetemplates'),
-                (RearPort, 'rearports', 'rearporttemplates'),
-                (FrontPort, 'frontports', 'frontporttemplates'),
-                (DeviceBay, 'devicebays', 'devicebaytemplates'),
-                (ModuleBay, 'modulebays', 'modulebaytemplates'),
+                 'consoleserverporttemplates', 'console_server_port_count'),
+                (PowerPort, 'powerports', 'powerporttemplates', 'power_port_count'),
+                (PowerOutlet, 'poweroutlets', 'poweroutlettemplates', 'power_outlet_count'),
+                (Interface, 'interfaces', 'interfacetemplates', 'interface_count'),
+                (RearPort, 'rearports', 'rearporttemplates', 'rear_port_count'),
+                (FrontPort, 'frontports', 'frontporttemplates', 'front_port_count'),
+                (DeviceBay, 'devicebays', 'devicebaytemplates', 'device_bay_count'),
+                (ModuleBay, 'modulebays', 'modulebaytemplates', 'module_bay_count'),
             ]:
                 names = {i.name for i in getattr(device, item).all()}
                 templates = getattr(dt, templateitem).all()
@@ -64,6 +66,10 @@ def run(self, data, commit):
                     for i in items:
                         i.full_clean()
                     klass.objects.bulk_create(items)
+                    # post_save hook is not called, so we have to update counters ourselves
+                    Device.objects.filter(pk=device.pk).update(
+                        **{counter_name: F(counter_name) + len(items)}
+                    )
                     self.log_success("%s (%d): created %d %s" % (device.name,
                                                                  device.id,
                                                                  len(items),