Closes #3652: Limit next/previous rack by assigned rack group

docs/release-notes/version-2.6.md

@@ -15,6 +15,7 @@
 * [#3629](https://github.com/netbox-community/netbox/issues/3629) - Use `get_lldp_neighors_detail` to validation LLDP neighbors
 * [#3635](https://github.com/netbox-community/netbox/issues/3635) - Add missing cache support for the circuits app
 * [#3636](https://github.com/netbox-community/netbox/issues/3636) - Add missing `rack_group` field to PowerFeed CSV export
+* [#3652](https://github.com/netbox-community/netbox/issues/3652) - Limit next/previous rack by assigned rack group
 
 ---
 

netbox/dcim/views.py

@@ -404,8 +404,12 @@ class RackView(PermissionRequiredMixin, View):
             position__isnull=True,
             parent_bay__isnull=True
         ).prefetch_related('device_type__manufacturer')
-        next_rack = Rack.objects.filter(site=rack.site, name__gt=rack.name).order_by('name').first()
-        prev_rack = Rack.objects.filter(site=rack.site, name__lt=rack.name).order_by('-name').first()
+        if rack.group:
+            peer_racks = Rack.objects.filter(site=rack.site, group=rack.group)
+        else:
+            peer_racks = Rack.objects.filter(site=rack.site, group__isnull=True)
+        next_rack = peer_racks.filter(name__gt=rack.name).order_by('name').first()
+        prev_rack = peer_racks.filter(name__lt=rack.name).order_by('-name').first()
 
         reservations = RackReservation.objects.filter(rack=rack)
         power_feeds = PowerFeed.objects.filter(rack=rack).prefetch_related('power_panel')