12175 rack starting unit to svg

netbox/dcim/forms/model_forms.py

@@ -221,8 +221,8 @@ class RackForm(TenancyForm, NetBoxModelForm):
         model = Rack
         fields = [
             'site', 'location', 'name', 'facility_id', 'tenant_group', 'tenant', 'status', 'role', 'serial',
-            'asset_tag', 'type', 'width', 'u_height', 'desc_units', 'outer_width', 'outer_depth', 'outer_unit',
+            'asset_tag', 'type', 'width', 'u_height', 'starting_unit', 'desc_units', 'outer_width', 'outer_depth',
-            'mounting_depth', 'weight', 'max_weight', 'weight_unit', 'description', 'comments', 'tags',
+            'outer_unit', 'mounting_depth', 'weight', 'max_weight', 'weight_unit', 'description', 'comments', 'tags',
         ]
 
 

netbox/dcim/models/racks.py

@@ -274,8 +274,8 @@ class Rack(PrimaryModel, WeightMixin):
         Return a list of unit numbers, top to bottom.
         """
         if self.desc_units:
-            return drange(decimal.Decimal(1.0), self.u_height + 1, 0.5)
+            return drange(decimal.Decimal(self.starting_unit), self.u_height + 1, 0.5)
-        return drange(self.u_height + decimal.Decimal(0.5), 0.5, -0.5)
+        return drange(self.u_height + decimal.Decimal(0.5) + self.starting_unit - 1, 0.5 + self.starting_unit - 1, -0.5)
 
     def get_status_color(self):
         return RackStatusChoices.colors.get(self.status)

netbox/dcim/svg/racks.py

@@ -150,9 +150,9 @@ class RackElevationSVG:
         x = self.legend_width + RACK_ELEVATION_BORDER_WIDTH
         y = RACK_ELEVATION_BORDER_WIDTH
         if self.rack.desc_units:
-            y += int((position - 1) * self.unit_height)
+            y += int((position - self.rack.starting_unit) * self.unit_height)
         else:
-            y += int((self.rack.u_height - position + 1) * self.unit_height) - int(height * self.unit_height)
+            y += int((self.rack.u_height - position + self.rack.starting_unit) * self.unit_height) - int(height * self.unit_height)
 
         return x, y
 
@@ -237,6 +237,7 @@ class RackElevationSVG:
             start_y = ru * self.unit_height + RACK_ELEVATION_BORDER_WIDTH
             position_coordinates = (self.legend_width / 2, start_y + self.unit_height / 2 + RACK_ELEVATION_BORDER_WIDTH)
             unit = ru + 1 if self.rack.desc_units else self.rack.u_height - ru
+            unit = unit + self.rack.starting_unit - 1
             self.drawing.add(
                 Text(str(unit), position_coordinates, class_='unit')
             )
@@ -278,6 +279,7 @@ class RackElevationSVG:
 
         for ru in range(0, self.rack.u_height):
             unit = ru + 1 if self.rack.desc_units else self.rack.u_height - ru
+            unit = unit + self.rack.starting_unit - 1
             y_offset = RACK_ELEVATION_BORDER_WIDTH + ru * self.unit_height
             text_coords = (
                 x_offset + self.unit_width / 2,

netbox/templates/dcim/rack.html

@@ -101,6 +101,12 @@
                         <th scope="row">Height</th>
                         <td>{{ object.u_height }}U ({% if object.desc_units %}descending{% else %}ascending{% endif %})</td>
                     </tr>
+                    <tr>
+                        <th scope="row">Starting Unit</th>
+                        <td>
+                          {{ object.starting_unit }}
+                        </td>
+                    </tr>
                     <tr>
                         <th scope="row">Outer Width</th>
                         <td>

netbox/templates/dcim/rack_edit.html

@@ -71,6 +71,7 @@
         </div>
         {% render_field form.mounting_depth %}
         {% render_field form.desc_units %}
+        {% render_field form.starting_unit %}
     </div>
 
     {% if form.custom_fields %}