Closes #3145: Add 'decommissioning' status for cables

docs/release-notes/version-2.7.md

@@ -2,6 +2,7 @@
 
 ## Enhancements
 
+* [#3145](https://github.com/netbox-community/netbox/issues/3145) - Add a "decommissioning" cable status
 * [#4173](https://github.com/netbox-community/netbox/issues/4173) - Return graceful error message when webhook queuing fails
 
 ## Bug Fixes

netbox/dcim/choices.py

@@ -973,10 +973,12 @@ class CableStatusChoices(ChoiceSet):
 
     STATUS_CONNECTED = 'connected'
     STATUS_PLANNED = 'planned'
+    STATUS_DECOMMISSIONING = 'decommissioning'
 
     CHOICES = (
         (STATUS_CONNECTED, 'Connected'),
         (STATUS_PLANNED, 'Planned'),
+        (STATUS_DECOMMISSIONING, 'Decommissioning'),
     )
 
     LEGACY_MAP = {

netbox/dcim/models/__init__.py

@@ -1956,6 +1956,7 @@ class Cable(ChangeLoggedModel):
     STATUS_CLASS_MAP = {
         CableStatusChoices.STATUS_CONNECTED: 'success',
         CableStatusChoices.STATUS_PLANNED: 'info',
+        CableStatusChoices.STATUS_DECOMMISSIONING: 'warning',
     }
 
     class Meta:
@@ -2116,14 +2117,14 @@ class Cable(ChangeLoggedModel):
         b_path = self.termination_a.trace()
 
         # Determine overall path status (connected or planned)
-        if self.status == CableStatusChoices.STATUS_PLANNED:
-            path_status = CONNECTION_STATUS_PLANNED
-        else:
+        if self.status == CableStatusChoices.STATUS_CONNECTED:
             path_status = CONNECTION_STATUS_CONNECTED
             for segment in a_path[1:] + b_path[1:]:
-                if segment[1] is None or segment[1].status == CableStatusChoices.STATUS_PLANNED:
+                if segment[1] is None or segment[1].status != CableStatusChoices.STATUS_CONNECTED:
                     path_status = CONNECTION_STATUS_PLANNED
                     break
+        else:
+            path_status = CONNECTION_STATUS_PLANNED
 
         a_endpoint = a_path[-1][2]
         b_endpoint = b_path[-1][2]