feat: support partial-width rack devices

2026-08-12 10:38:54 +02:00
parent 267a78d58d
commit a504341442
11 changed files with 740 additions and 7 deletions
@@ -0,0 +1,65 @@
+import django.core.validators
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+def drop_core_rack_position_constraint(apps, schema_editor):
+    if schema_editor.connection.vendor == "postgresql":
+        schema_editor.execute(
+            'ALTER TABLE "dcim_device" DROP CONSTRAINT IF EXISTS "dcim_device_unique_rack_position_face"'
+        )
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("dcim", "0237_module_remove_local_context_data"),
+        ("netbox_utilities", "0006_retrace_existing_patchpanel_paths"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="DeviceRackPlacement",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID"),
+                ),
+                (
+                    "width",
+                    models.PositiveSmallIntegerField(
+                        choices=[(2, "1/2 Rackbreite"), (3, "1/3 Rackbreite"), (4, "1/4 Rackbreite")]
+                    ),
+                ),
+                (
+                    "horizontal_position",
+                    models.PositiveSmallIntegerField(
+                        help_text="Position von links innerhalb der Rackbreite.",
+                        validators=[
+                            django.core.validators.MinValueValidator(1),
+                            django.core.validators.MaxValueValidator(4),
+                        ],
+                    ),
+                ),
+                ("updated", models.DateTimeField(auto_now=True)),
+                (
+                    "device",
+                    models.OneToOneField(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="netbox_utilities_rack_placement",
+                        to="dcim.device",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "Gerätebreite im Rack",
+                "verbose_name_plural": "Gerätebreiten im Rack",
+                "constraints": [
+                    models.CheckConstraint(
+                        condition=models.Q(width__gte=models.F("horizontal_position")),
+                        name="netbox_utilities_placement_position_within_width",
+                    )
+                ],
+            },
+        ),
+        migrations.RunPython(drop_core_rack_position_constraint, migrations.RunPython.noop),
+    ]