Add the decommissioning status for devices

netbox/dcim/constants.py

@@ -318,6 +318,7 @@ DEVICE_STATUS_PLANNED = 2
 DEVICE_STATUS_STAGED = 3
 DEVICE_STATUS_FAILED = 4
 DEVICE_STATUS_INVENTORY = 5
+DEVICE_STATUS_DECOMMISSIONING = 6
 DEVICE_STATUS_CHOICES = [
     [DEVICE_STATUS_ACTIVE, 'Active'],
     [DEVICE_STATUS_OFFLINE, 'Offline'],
@@ -325,6 +326,7 @@ DEVICE_STATUS_CHOICES = [
     [DEVICE_STATUS_STAGED, 'Staged'],
     [DEVICE_STATUS_FAILED, 'Failed'],
     [DEVICE_STATUS_INVENTORY, 'Inventory'],
+    [DEVICE_STATUS_DECOMMISSIONING, 'Decommissioning'],
 ]
 
 # Site statuses