Merge branch 'develop' into 2921-tags-select2

docs/additional-features/custom-scripts.md

@@ -124,7 +124,7 @@ Arbitrary text of any length. Renders as multi-line text input field.
 
 Stored a numeric integer. Options include:
 
-* `min_value:` - Minimum value
+* `min_value` - Minimum value
 * `max_value` - Maximum value
 
 ### BooleanVar
@@ -158,9 +158,20 @@ A NetBox object. The list of available objects is defined by the queryset parame
 
 An uploaded file. Note that uploaded files are present in memory only for the duration of the script's execution: They will not be save for future use.
 
+### IPAddressVar
+
+An IPv4 or IPv6 address, without a mask. Returns a `netaddr.IPAddress` object.
+
+### IPAddressWithMaskVar
+
+An IPv4 or IPv6 address with a mask. Returns a `netaddr.IPNetwork` object which includes the mask.
+
 ### IPNetworkVar
 
-An IPv4 or IPv6 network with a mask.
+An IPv4 or IPv6 network with a mask. Returns a `netaddr.IPNetwork` object. Two attributes are available to validate the provided mask:
+
+* `min_prefix_length` - Minimum length of the mask (default: none)
+* `max_prefix_length` - Maximum length of the mask (default: none)
 
 ### Default Options
 

docs/release-notes/version-2.7.md

@@ -3,6 +3,18 @@
 ## Enhancements
 
 * [#2921](https://github.com/netbox-community/netbox/issues/2921) - Replace tags filter with Select2 widget
+* [#3310](https://github.com/netbox-community/netbox/issues/3310) - Pre-select site/rack for B side when creating a new cable
+* [#3509](https://github.com/netbox-community/netbox/issues/3509) - Add IP address variables for custom scripts
+* [#4005](https://github.com/netbox-community/netbox/issues/4005) - Include timezone context in webhook timestamps
+
+## Bug Fixes
+
+* [#3950](https://github.com/netbox-community/netbox/issues/3950) - Automatically select parent manufacturer when specifying initial device type during device creation
+* [#3982](https://github.com/netbox-community/netbox/issues/3982) - Restore tooltip for reservations on rack elevations
+* [#3983](https://github.com/netbox-community/netbox/issues/3983) - Permit the creation of multiple unnamed devices
+* [#3989](https://github.com/netbox-community/netbox/issues/3989) - Correct HTTP content type assignment for webhooks
+* [#3999](https://github.com/netbox-community/netbox/issues/3999) - Do not filter child results by null if non-required parent fields are blank
+* [#4008](https://github.com/netbox-community/netbox/issues/4008) - Toggle rack elevation face using front/rear strings
 
 ---
 

netbox/dcim/constants.py

@@ -4,17 +4,30 @@ from .choices import InterfaceTypeChoices
 
 
 #
-# Rack elevation rendering
+# Racks
 #
 
+RACK_U_HEIGHT_DEFAULT = 42
+
 RACK_ELEVATION_UNIT_WIDTH_DEFAULT = 230
 RACK_ELEVATION_UNIT_HEIGHT_DEFAULT = 20
 
 
 #
-# Interface type groups
+# RearPorts
 #
 
+REARPORT_POSITIONS_MIN = 1
+REARPORT_POSITIONS_MAX = 64
+
+
+#
+# Interfaces
+#
+
+INTERFACE_MTU_MIN = 1
+INTERFACE_MTU_MAX = 32767  # Max value of a signed 16-bit integer
+
 VIRTUAL_IFACE_TYPES = [
     InterfaceTypeChoices.TYPE_VIRTUAL,
     InterfaceTypeChoices.TYPE_LAG,
@@ -31,6 +44,17 @@ WIRELESS_IFACE_TYPES = [
 NONCONNECTABLE_IFACE_TYPES = VIRTUAL_IFACE_TYPES + WIRELESS_IFACE_TYPES
 
 
+#
+# PowerFeeds
+#
+
+POWERFEED_VOLTAGE_DEFAULT = 120
+
+POWERFEED_AMPERAGE_DEFAULT = 20
+
+POWERFEED_MAX_UTILIZATION_DEFAULT = 80  # Percentage
+
+
 #
 # Cabling and connections
 #

netbox/dcim/fixtures/dcim.json

@@ -66,6 +66,14 @@
         "slug": "servertech"
     }
 },
+{
+    "model": "dcim.manufacturer",
+    "pk": 4,
+    "fields": {
+        "name": "Dell",
+        "slug": "dell"
+    }
+},
 {
     "model": "dcim.devicetype",
     "pk": 1,
@@ -144,6 +152,19 @@
         "is_full_depth": false
     }
 },
+{
+    "model": "dcim.devicetype",
+    "pk": 7,
+    "fields": {
+        "created": "2016-06-23",
+        "last_updated": "2016-06-23T03:19:56.521Z",
+        "manufacturer": 4,
+        "model": "PowerEdge R640",
+        "slug": "poweredge-r640",
+        "u_height": 1,
+        "is_full_depth": false
+    }
+},
 {
     "model": "dcim.consoleporttemplate",
     "pk": 1,
@@ -1880,6 +1901,15 @@
         "color": "yellow"
     }
 },
+{
+    "model": "dcim.devicerole",
+    "pk": 7,
+    "fields": {
+        "name": "Server",
+        "slug": "server",
+        "color": "grey"
+    }
+},
 {
     "model": "dcim.platform",
     "pk": 1,
@@ -2127,6 +2157,34 @@
         "comments": ""
     }
 },
+{
+    "model": "dcim.device",
+    "pk": 13,
+    "fields": {
+        "local_context_data": null,
+        "created": "2016-06-23",
+        "last_updated": "2016-06-23T03:19:56.521Z",
+        "device_type": 7,
+        "device_role": 6,
+        "tenant": null,
+        "platform": null,
+        "name": "test1-server1",
+        "serial": "",
+        "asset_tag": null,
+        "site": 1,
+        "rack": 2,
+        "position": null,
+        "face": "",
+        "status": true,
+        "primary_ip4": null,
+        "primary_ip6": null,
+        "cluster": 4,
+        "virtual_chassis": null,
+        "vc_position": null,
+        "vc_priority": null,
+        "comments": ""
+    }
+},
 {
     "model": "dcim.consoleport",
     "pk": 1,

netbox/dcim/forms.py

@@ -5,7 +5,6 @@ from django.contrib.auth.models import User
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.postgres.forms.array import SimpleArrayField
 from django.core.exceptions import ObjectDoesNotExist
-from django.db.models import Q
 from mptt.forms import TreeNodeChoiceField
 from netaddr import EUI
 from netaddr.core import AddrFormatError
@@ -1305,8 +1304,8 @@ class RearPortTemplateCreateForm(ComponentForm):
         widget=StaticSelect2(),
     )
     positions = forms.IntegerField(
-        min_value=1,
+        min_value=REARPORT_POSITIONS_MIN,
-        max_value=64,
+        max_value=REARPORT_POSITIONS_MAX,
         initial=1,
         help_text='The number of front ports which may be mapped to each rear port'
     )
@@ -1646,6 +1645,16 @@ class DeviceForm(BootstrapMixin, TenancyForm, CustomFieldForm):
         if instance and instance.cluster is not None:
             kwargs['initial']['cluster_group'] = instance.cluster.group
 
+        if 'device_type' in kwargs['initial'] and 'manufacturer' not in kwargs['initial']:
+            device_type_id = kwargs['initial']['device_type']
+            manufacturer_id = DeviceType.objects.filter(pk=device_type_id).values_list('manufacturer__pk', flat=True).first()
+            kwargs['initial']['manufacturer'] = manufacturer_id
+
+        if 'cluster' in kwargs['initial'] and 'cluster_group' not in kwargs['initial']:
+            cluster_id = kwargs['initial']['cluster']
+            cluster_group_id = Cluster.objects.filter(pk=cluster_id).values_list('group__pk', flat=True).first()
+            kwargs['initial']['cluster_group'] = cluster_group_id
+
         super().__init__(*args, **kwargs)
 
         if self.instance.pk:
@@ -2128,8 +2137,8 @@ class DeviceBulkAddInterfaceForm(DeviceBulkAddComponentForm):
     )
     mtu = forms.IntegerField(
         required=False,
-        min_value=1,
+        min_value=INTERFACE_MTU_MIN,
-        max_value=32767,
+        max_value=INTERFACE_MTU_MAX,
         label='MTU'
     )
     mgmt_only = forms.BooleanField(
@@ -2615,8 +2624,8 @@ class InterfaceCreateForm(InterfaceCommonForm, ComponentForm, forms.Form):
     )
     mtu = forms.IntegerField(
         required=False,
-        min_value=1,
+        min_value=INTERFACE_MTU_MIN,
-        max_value=32767,
+        max_value=INTERFACE_MTU_MAX,
         label='MTU'
     )
     mac_address = forms.CharField(
@@ -2770,8 +2779,8 @@ class InterfaceBulkEditForm(InterfaceCommonForm, BootstrapMixin, AddRemoveTagsFo
     )
     mtu = forms.IntegerField(
         required=False,
-        min_value=1,
+        min_value=INTERFACE_MTU_MIN,
-        max_value=32767,
+        max_value=INTERFACE_MTU_MAX,
         label='MTU'
     )
     mgmt_only = forms.NullBooleanField(
@@ -3050,8 +3059,8 @@ class RearPortCreateForm(ComponentForm):
         widget=StaticSelect2(),
     )
     positions = forms.IntegerField(
-        min_value=1,
+        min_value=REARPORT_POSITIONS_MIN,
-        max_value=64,
+        max_value=REARPORT_POSITIONS_MAX,
         initial=1,
         help_text='The number of front ports which may be mapped to each rear port'
     )
@@ -3173,6 +3182,11 @@ class ConnectCableToDeviceForm(BootstrapMixin, ChainedFieldsMixin, forms.ModelFo
             'termination_b_site', 'termination_b_rack', 'termination_b_device', 'termination_b_id', 'type', 'status',
             'label', 'color', 'length', 'length_unit',
         ]
+        widgets = {
+            'status': StaticSelect2,
+            'type': StaticSelect2,
+            'length_unit': StaticSelect2,
+        }
 
 
 class ConnectCableToConsolePortForm(ConnectCableToDeviceForm):
@@ -3368,6 +3382,11 @@ class CableForm(BootstrapMixin, forms.ModelForm):
         fields = [
             'type', 'status', 'label', 'color', 'length', 'length_unit',
         ]
+        widgets = {
+            'status': StaticSelect2,
+            'type': StaticSelect2,
+            'length_unit': StaticSelect2,
+        }
 
 
 class CableCSVForm(forms.ModelForm):
@@ -3518,7 +3537,7 @@ class CableBulkEditForm(BootstrapMixin, BulkEditForm):
         required=False
     )
     color = forms.CharField(
-        max_length=6,
+        max_length=6,  # RGB color code
         required=False,
         widget=ColorSelect()
     )
@@ -3597,7 +3616,7 @@ class CableFilterForm(BootstrapMixin, forms.Form):
         widget=StaticSelect2()
     )
     color = forms.CharField(
-        max_length=6,
+        max_length=6,  # RGB color code
         required=False,
         widget=ColorSelect()
     )

netbox/dcim/models/__init__.py

@@ -414,7 +414,7 @@ class RackElevationHelperMixin:
         drawing.add(drawing.text(str(device), insert=text))
 
     @staticmethod
-    def _draw_empty(drawing, rack, start, end, text, id_, face_id, class_):
+    def _draw_empty(drawing, rack, start, end, text, id_, face_id, class_, reservation):
         link = drawing.add(
             drawing.a(
                 href='{}?{}'.format(
@@ -424,6 +424,10 @@ class RackElevationHelperMixin:
                 target='_top'
             )
         )
+        if reservation:
+            link.set_desc('{} — {} · {}'.format(
+                reservation.description, reservation.user, reservation.created
+            ))
         link.add(drawing.rect(start, end, class_=class_))
         link.add(drawing.text("add device", insert=text, class_='add-device'))
 
@@ -453,12 +457,13 @@ class RackElevationHelperMixin:
             else:
                 # Draw shallow devices, reservations, or empty units
                 class_ = 'slot'
+                reservation = reserved_units.get(unit["id"])
                 if device:
                     class_ += ' occupied'
-                if unit["id"] in reserved_units:
+                if reservation:
                     class_ += ' reserved'
                 self._draw_empty(
-                    drawing, self, start_cordinates, end_cordinates, text_cordinates, unit["id"], face, class_
+                    drawing, self, start_cordinates, end_cordinates, text_cordinates, unit["id"], face, class_, reservation
                 )
 
             unit_cursor += height
@@ -483,7 +488,12 @@ class RackElevationHelperMixin:
 
         return elevation
 
-    def get_elevation_svg(self, face=DeviceFaceChoices.FACE_FRONT, unit_width=230, unit_height=20):
+    def get_elevation_svg(
+            self,
+            face=DeviceFaceChoices.FACE_FRONT,
+            unit_width=RACK_ELEVATION_UNIT_WIDTH_DEFAULT,
+            unit_height=RACK_ELEVATION_UNIT_HEIGHT_DEFAULT
+    ):
         """
         Return an SVG of the rack elevation
 
@@ -493,7 +503,7 @@ class RackElevationHelperMixin:
             height of the elevation
         """
         elevation = self.merge_elevations(face)
-        reserved_units = self.get_reserved_units().keys()
+        reserved_units = self.get_reserved_units()
 
         return self._draw_elevations(elevation, reserved_units, face, unit_width, unit_height)
 
@@ -569,7 +579,7 @@ class Rack(ChangeLoggedModel, CustomFieldModel, RackElevationHelperMixin):
         help_text='Rail-to-rail width'
     )
     u_height = models.PositiveSmallIntegerField(
-        default=42,
+        default=RACK_U_HEIGHT_DEFAULT,
         verbose_name='Height (U)',
         validators=[MinValueValidator(1), MaxValueValidator(100)]
     )
@@ -1445,10 +1455,11 @@ class Device(ChangeLoggedModel, ConfigContextModel, CustomFieldModel):
         # Check for a duplicate name on a device assigned to the same Site and no Tenant. This is necessary
         # because Django does not consider two NULL fields to be equal, and thus will not trigger a violation
         # of the uniqueness constraint without manual intervention.
-        if self.tenant is None and Device.objects.exclude(pk=self.pk).filter(name=self.name, tenant__isnull=True):
+        if self.name and self.tenant is None:
-            raise ValidationError({
+            if Device.objects.exclude(pk=self.pk).filter(name=self.name, tenant__isnull=True):
-                'name': 'A device with this name already exists.'
+                raise ValidationError({
-            })
+                    'name': 'A device with this name already exists.'
+                })
 
         super().validate_unique(exclude)
 
@@ -1858,15 +1869,15 @@ class PowerFeed(ChangeLoggedModel, CableTermination, CustomFieldModel):
     )
     voltage = models.PositiveSmallIntegerField(
         validators=[MinValueValidator(1)],
-        default=120
+        default=POWERFEED_VOLTAGE_DEFAULT
     )
     amperage = models.PositiveSmallIntegerField(
         validators=[MinValueValidator(1)],
-        default=20
+        default=POWERFEED_AMPERAGE_DEFAULT
     )
     max_utilization = models.PositiveSmallIntegerField(
         validators=[MinValueValidator(1), MaxValueValidator(100)],
-        default=80,
+        default=POWERFEED_MAX_UTILIZATION_DEFAULT,
         help_text="Maximum permissible draw (percentage)"
     )
     available_power = models.PositiveIntegerField(

netbox/dcim/tests/test_api.py

@@ -4,6 +4,7 @@ from netaddr import IPNetwork
 from rest_framework import status
 
 from circuits.models import Circuit, CircuitTermination, CircuitType, Provider
+from dcim.api import serializers
 from dcim.choices import *
 from dcim.constants import *
 from dcim.models import (
@@ -595,6 +596,21 @@ class RackTest(APITestCase):
 
         self.assertEqual(response.data['count'], 42)
 
+    def test_get_rack_elevation(self):
+
+        url = reverse('dcim-api:rack-elevation', kwargs={'pk': self.rack1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 42)
+
+    def test_get_rack_elevation_svg(self):
+
+        url = '{}?render=svg'.format(reverse('dcim-api:rack-elevation', kwargs={'pk': self.rack1.pk}))
+        response = self.client.get(url, **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_200_OK)
+        self.assertEqual(response.get('Content-Type'), 'image/svg+xml')
+
     def test_list_racks(self):
 
         url = reverse('dcim-api:rack-list')
@@ -1900,6 +1916,31 @@ class DeviceTest(APITestCase):
         self.assertEqual(response.data['device_role']['id'], self.devicerole1.pk)
         self.assertEqual(response.data['cluster']['id'], self.cluster1.pk)
 
+    def test_get_device_graphs(self):
+
+        device_ct = ContentType.objects.get_for_model(Device)
+        self.graph1 = Graph.objects.create(
+            type=device_ct,
+            name='Test Graph 1',
+            source='http://example.com/graphs.py?device={{ obj.name }}&foo=1'
+        )
+        self.graph2 = Graph.objects.create(
+            type=device_ct,
+            name='Test Graph 2',
+            source='http://example.com/graphs.py?device={{ obj.name }}&foo=2'
+        )
+        self.graph3 = Graph.objects.create(
+            type=device_ct,
+            name='Test Graph 3',
+            source='http://example.com/graphs.py?device={{ obj.name }}&foo=3'
+        )
+
+        url = reverse('dcim-api:device-graphs', kwargs={'pk': self.device1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(len(response.data), 3)
+        self.assertEqual(response.data[0]['embed_url'], 'http://example.com/graphs.py?device=Test Device 1&foo=1')
+
     def test_list_devices(self):
 
         url = reverse('dcim-api:device-list')
@@ -2134,6 +2175,31 @@ class ConsolePortTest(APITestCase):
         self.assertHttpStatus(response, status.HTTP_204_NO_CONTENT)
         self.assertEqual(ConsolePort.objects.count(), 2)
 
+    def test_trace_consoleport(self):
+
+        peer_device = Device.objects.create(
+            site=Site.objects.first(),
+            device_type=DeviceType.objects.first(),
+            device_role=DeviceRole.objects.first(),
+            name='Peer Device'
+        )
+        console_server_port = ConsoleServerPort.objects.create(
+            device=peer_device,
+            name='Console Server Port 1'
+        )
+        cable = Cable(termination_a=self.consoleport1, termination_b=console_server_port, label='Cable 1')
+        cable.save()
+
+        url = reverse('dcim-api:consoleport-trace', kwargs={'pk': self.consoleport1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_200_OK)
+        self.assertEqual(len(response.data), 1)
+        segment1 = response.data[0]
+        self.assertEqual(segment1[0]['name'], self.consoleport1.name)
+        self.assertEqual(segment1[1]['label'], cable.label)
+        self.assertEqual(segment1[2]['name'], console_server_port.name)
+
 
 class ConsoleServerPortTest(APITestCase):
 
@@ -2245,6 +2311,31 @@ class ConsoleServerPortTest(APITestCase):
         self.assertHttpStatus(response, status.HTTP_204_NO_CONTENT)
         self.assertEqual(ConsoleServerPort.objects.count(), 2)
 
+    def test_trace_consoleserverport(self):
+
+        peer_device = Device.objects.create(
+            site=Site.objects.first(),
+            device_type=DeviceType.objects.first(),
+            device_role=DeviceRole.objects.first(),
+            name='Peer Device'
+        )
+        console_port = ConsolePort.objects.create(
+            device=peer_device,
+            name='Console Port 1'
+        )
+        cable = Cable(termination_a=self.consoleserverport1, termination_b=console_port, label='Cable 1')
+        cable.save()
+
+        url = reverse('dcim-api:consoleserverport-trace', kwargs={'pk': self.consoleserverport1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_200_OK)
+        self.assertEqual(len(response.data), 1)
+        segment1 = response.data[0]
+        self.assertEqual(segment1[0]['name'], self.consoleserverport1.name)
+        self.assertEqual(segment1[1]['label'], cable.label)
+        self.assertEqual(segment1[2]['name'], console_port.name)
+
 
 class PowerPortTest(APITestCase):
 
@@ -2358,6 +2449,31 @@ class PowerPortTest(APITestCase):
         self.assertHttpStatus(response, status.HTTP_204_NO_CONTENT)
         self.assertEqual(PowerPort.objects.count(), 2)
 
+    def test_trace_powerport(self):
+
+        peer_device = Device.objects.create(
+            site=Site.objects.first(),
+            device_type=DeviceType.objects.first(),
+            device_role=DeviceRole.objects.first(),
+            name='Peer Device'
+        )
+        power_outlet = PowerOutlet.objects.create(
+            device=peer_device,
+            name='Power Outlet 1'
+        )
+        cable = Cable(termination_a=self.powerport1, termination_b=power_outlet, label='Cable 1')
+        cable.save()
+
+        url = reverse('dcim-api:powerport-trace', kwargs={'pk': self.powerport1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_200_OK)
+        self.assertEqual(len(response.data), 1)
+        segment1 = response.data[0]
+        self.assertEqual(segment1[0]['name'], self.powerport1.name)
+        self.assertEqual(segment1[1]['label'], cable.label)
+        self.assertEqual(segment1[2]['name'], power_outlet.name)
+
 
 class PowerOutletTest(APITestCase):
 
@@ -2469,6 +2585,31 @@ class PowerOutletTest(APITestCase):
         self.assertHttpStatus(response, status.HTTP_204_NO_CONTENT)
         self.assertEqual(PowerOutlet.objects.count(), 2)
 
+    def test_trace_poweroutlet(self):
+
+        peer_device = Device.objects.create(
+            site=Site.objects.first(),
+            device_type=DeviceType.objects.first(),
+            device_role=DeviceRole.objects.first(),
+            name='Peer Device'
+        )
+        power_port = PowerPort.objects.create(
+            device=peer_device,
+            name='Power Port 1'
+        )
+        cable = Cable(termination_a=self.poweroutlet1, termination_b=power_port, label='Cable 1')
+        cable.save()
+
+        url = reverse('dcim-api:poweroutlet-trace', kwargs={'pk': self.poweroutlet1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_200_OK)
+        self.assertEqual(len(response.data), 1)
+        segment1 = response.data[0]
+        self.assertEqual(segment1[0]['name'], self.poweroutlet1.name)
+        self.assertEqual(segment1[1]['label'], cable.label)
+        self.assertEqual(segment1[2]['name'], power_port.name)
+
 
 class InterfaceTest(APITestCase):
 
@@ -2673,6 +2814,262 @@ class InterfaceTest(APITestCase):
         self.assertEqual(Interface.objects.count(), 2)
 
 
+class FrontPortTest(APITestCase):
+
+    def setUp(self):
+
+        super().setUp()
+
+        site = Site.objects.create(name='Test Site 1', slug='test-site-1')
+        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
+        devicetype = DeviceType.objects.create(
+            manufacturer=manufacturer, model='Test Device Type 1', slug='test-device-type-1'
+        )
+        devicerole = DeviceRole.objects.create(
+            name='Test Device Role 1', slug='test-device-role-1', color='ff0000'
+        )
+        self.device = Device.objects.create(
+            device_type=devicetype, device_role=devicerole, name='Test Device 1', site=site
+        )
+        rear_ports = RearPort.objects.bulk_create((
+            RearPort(device=self.device, name='Rear Port 1', type=PortTypeChoices.TYPE_8P8C),
+            RearPort(device=self.device, name='Rear Port 2', type=PortTypeChoices.TYPE_8P8C),
+            RearPort(device=self.device, name='Rear Port 3', type=PortTypeChoices.TYPE_8P8C),
+            RearPort(device=self.device, name='Rear Port 4', type=PortTypeChoices.TYPE_8P8C),
+            RearPort(device=self.device, name='Rear Port 5', type=PortTypeChoices.TYPE_8P8C),
+            RearPort(device=self.device, name='Rear Port 6', type=PortTypeChoices.TYPE_8P8C),
+        ))
+        self.frontport1 = FrontPort.objects.create(device=self.device, name='Front Port 1', type=PortTypeChoices.TYPE_8P8C, rear_port=rear_ports[0])
+        self.frontport3 = FrontPort.objects.create(device=self.device, name='Front Port 2', type=PortTypeChoices.TYPE_8P8C, rear_port=rear_ports[1])
+        self.frontport1 = FrontPort.objects.create(device=self.device, name='Front Port 3', type=PortTypeChoices.TYPE_8P8C, rear_port=rear_ports[2])
+
+    def test_get_frontport(self):
+
+        url = reverse('dcim-api:frontport-detail', kwargs={'pk': self.frontport1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['name'], self.frontport1.name)
+
+    def test_list_frontports(self):
+
+        url = reverse('dcim-api:frontport-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_list_frontports_brief(self):
+
+        url = reverse('dcim-api:frontport-list')
+        response = self.client.get('{}?brief=1'.format(url), **self.header)
+
+        self.assertEqual(
+            sorted(response.data['results'][0]),
+            ['cable', 'device', 'id', 'name', 'url']
+        )
+
+    def test_create_frontport(self):
+
+        rear_port = RearPort.objects.get(name='Rear Port 4')
+        data = {
+            'device': self.device.pk,
+            'name': 'Front Port 4',
+            'type': PortTypeChoices.TYPE_8P8C,
+            'rear_port': rear_port.pk,
+            'rear_port_position': 1,
+        }
+
+        url = reverse('dcim-api:frontport-list')
+        response = self.client.post(url, data, format='json', **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_201_CREATED)
+        self.assertEqual(FrontPort.objects.count(), 4)
+        frontport4 = FrontPort.objects.get(pk=response.data['id'])
+        self.assertEqual(frontport4.device_id, data['device'])
+        self.assertEqual(frontport4.name, data['name'])
+
+    def test_create_frontport_bulk(self):
+
+        rear_ports = RearPort.objects.filter(frontports__isnull=True)
+        data = [
+            {
+                'device': self.device.pk,
+                'name': 'Front Port 4',
+                'type': PortTypeChoices.TYPE_8P8C,
+                'rear_port': rear_ports[0].pk,
+                'rear_port_position': 1,
+            },
+            {
+                'device': self.device.pk,
+                'name': 'Front Port 5',
+                'type': PortTypeChoices.TYPE_8P8C,
+                'rear_port': rear_ports[1].pk,
+                'rear_port_position': 1,
+            },
+            {
+                'device': self.device.pk,
+                'name': 'Front Port 6',
+                'type': PortTypeChoices.TYPE_8P8C,
+                'rear_port': rear_ports[2].pk,
+                'rear_port_position': 1,
+            },
+        ]
+
+        url = reverse('dcim-api:frontport-list')
+        response = self.client.post(url, data, format='json', **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_201_CREATED)
+        self.assertEqual(FrontPort.objects.count(), 6)
+        self.assertEqual(response.data[0]['name'], data[0]['name'])
+        self.assertEqual(response.data[1]['name'], data[1]['name'])
+        self.assertEqual(response.data[2]['name'], data[2]['name'])
+
+    def test_update_frontport(self):
+
+        rear_port = RearPort.objects.get(name='Rear Port 4')
+        data = {
+            'device': self.device.pk,
+            'name': 'Front Port X',
+            'type': PortTypeChoices.TYPE_110_PUNCH,
+            'rear_port': rear_port.pk,
+            'rear_port_position': 1,
+        }
+
+        url = reverse('dcim-api:frontport-detail', kwargs={'pk': self.frontport1.pk})
+        response = self.client.put(url, data, format='json', **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_200_OK)
+        self.assertEqual(FrontPort.objects.count(), 3)
+        frontport1 = FrontPort.objects.get(pk=response.data['id'])
+        self.assertEqual(frontport1.name, data['name'])
+        self.assertEqual(frontport1.type, data['type'])
+        self.assertEqual(frontport1.rear_port, rear_port)
+
+    def test_delete_frontport(self):
+
+        url = reverse('dcim-api:frontport-detail', kwargs={'pk': self.frontport1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(FrontPort.objects.count(), 2)
+
+
+class RearPortTest(APITestCase):
+
+    def setUp(self):
+
+        super().setUp()
+
+        site = Site.objects.create(name='Test Site 1', slug='test-site-1')
+        manufacturer = Manufacturer.objects.create(name='Test Manufacturer 1', slug='test-manufacturer-1')
+        devicetype = DeviceType.objects.create(
+            manufacturer=manufacturer, model='Test Device Type 1', slug='test-device-type-1'
+        )
+        devicerole = DeviceRole.objects.create(
+            name='Test Device Role 1', slug='test-device-role-1', color='ff0000'
+        )
+        self.device = Device.objects.create(
+            device_type=devicetype, device_role=devicerole, name='Test Device 1', site=site
+        )
+        self.rearport1 = RearPort.objects.create(device=self.device, type=PortTypeChoices.TYPE_8P8C, name='Rear Port 1')
+        self.rearport3 = RearPort.objects.create(device=self.device, type=PortTypeChoices.TYPE_8P8C, name='Rear Port 2')
+        self.rearport1 = RearPort.objects.create(device=self.device, type=PortTypeChoices.TYPE_8P8C, name='Rear Port 3')
+
+    def test_get_rearport(self):
+
+        url = reverse('dcim-api:rearport-detail', kwargs={'pk': self.rearport1.pk})
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['name'], self.rearport1.name)
+
+    def test_list_rearports(self):
+
+        url = reverse('dcim-api:rearport-list')
+        response = self.client.get(url, **self.header)
+
+        self.assertEqual(response.data['count'], 3)
+
+    def test_list_rearports_brief(self):
+
+        url = reverse('dcim-api:rearport-list')
+        response = self.client.get('{}?brief=1'.format(url), **self.header)
+
+        self.assertEqual(
+            sorted(response.data['results'][0]),
+            ['cable', 'device', 'id', 'name', 'url']
+        )
+
+    def test_create_rearport(self):
+
+        data = {
+            'device': self.device.pk,
+            'name': 'Front Port 4',
+            'type': PortTypeChoices.TYPE_8P8C,
+        }
+
+        url = reverse('dcim-api:rearport-list')
+        response = self.client.post(url, data, format='json', **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_201_CREATED)
+        self.assertEqual(RearPort.objects.count(), 4)
+        rearport4 = RearPort.objects.get(pk=response.data['id'])
+        self.assertEqual(rearport4.device_id, data['device'])
+        self.assertEqual(rearport4.name, data['name'])
+
+    def test_create_rearport_bulk(self):
+
+        data = [
+            {
+                'device': self.device.pk,
+                'name': 'Rear Port 4',
+                'type': PortTypeChoices.TYPE_8P8C,
+            },
+            {
+                'device': self.device.pk,
+                'name': 'Rear Port 5',
+                'type': PortTypeChoices.TYPE_8P8C,
+            },
+            {
+                'device': self.device.pk,
+                'name': 'Rear Port 6',
+                'type': PortTypeChoices.TYPE_8P8C,
+            },
+        ]
+
+        url = reverse('dcim-api:rearport-list')
+        response = self.client.post(url, data, format='json', **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_201_CREATED)
+        self.assertEqual(RearPort.objects.count(), 6)
+        self.assertEqual(response.data[0]['name'], data[0]['name'])
+        self.assertEqual(response.data[1]['name'], data[1]['name'])
+        self.assertEqual(response.data[2]['name'], data[2]['name'])
+
+    def test_update_rearport(self):
+
+        data = {
+            'device': self.device.pk,
+            'name': 'Front Port X',
+            'type': PortTypeChoices.TYPE_110_PUNCH
+        }
+
+        url = reverse('dcim-api:rearport-detail', kwargs={'pk': self.rearport1.pk})
+        response = self.client.put(url, data, format='json', **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_200_OK)
+        self.assertEqual(RearPort.objects.count(), 3)
+        rearport1 = RearPort.objects.get(pk=response.data['id'])
+        self.assertEqual(rearport1.name, data['name'])
+        self.assertEqual(rearport1.type, data['type'])
+
+    def test_delete_rearport(self):
+
+        url = reverse('dcim-api:rearport-detail', kwargs={'pk': self.rearport1.pk})
+        response = self.client.delete(url, **self.header)
+
+        self.assertHttpStatus(response, status.HTTP_204_NO_CONTENT)
+        self.assertEqual(RearPort.objects.count(), 2)
+
+
 class DeviceBayTest(APITestCase):
 
     def setUp(self):

netbox/dcim/tests/test_forms.py

@@ -10,7 +10,7 @@ def get_id(model, slug):
 
 class DeviceTestCase(TestCase):
 
-    fixtures = ['dcim', 'ipam']
+    fixtures = ['dcim', 'ipam', 'virtualization']
 
     def test_racked_device(self):
         test = DeviceForm(data={
@@ -78,3 +78,15 @@ class DeviceTestCase(TestCase):
         })
         self.assertTrue(test.is_valid())
         self.assertTrue(test.save())
+
+    def test_cloned_cluster_device_initial_data(self):
+        test = DeviceForm(initial={
+            'device_type': get_id(DeviceType, 'poweredge-r640'),
+            'device_role': get_id(DeviceRole, 'server'),
+            'status': DeviceStatusChoices.STATUS_ACTIVE,
+            'site': get_id(Site, 'test1'),
+            "cluster": Cluster.objects.get(id=4).id,
+        })
+        self.assertEqual(test.initial['manufacturer'], get_id(Manufacturer, 'dell'))
+        self.assertIn('cluster_group', test.initial)
+        self.assertEqual(test.initial['cluster_group'], get_id(ClusterGroup, 'vm-host'))

netbox/dcim/tests/test_models.py

@@ -285,7 +285,28 @@ class DeviceTestCase(TestCase):
             name='Device Bay 1'
         )
 
-    def test_device_duplicate_name_per_site(self):
+    def test_multiple_unnamed_devices(self):
+
+        device1 = Device(
+            site=self.site,
+            device_type=self.device_type,
+            device_role=self.device_role,
+            name=''
+        )
+        device1.save()
+
+        device2 = Device(
+            site=device1.site,
+            device_type=device1.device_type,
+            device_role=device1.device_role,
+            name=''
+        )
+        device2.full_clean()
+        device2.save()
+
+        self.assertEqual(Device.objects.filter(name='').count(), 2)
+
+    def test_device_duplicate_names(self):
 
         device1 = Device(
             site=self.site,

netbox/dcim/views.py

@@ -30,6 +30,7 @@ from utilities.views import (
 )
 from virtualization.models import VirtualMachine
 from . import filters, forms, tables
+from .choices import DeviceFaceChoices
 from .models import (
     Cable, ConsolePort, ConsolePortTemplate, ConsoleServerPort, ConsoleServerPortTemplate, Device, DeviceBay,
     DeviceBayTemplate, DeviceRole, DeviceType, FrontPort, FrontPortTemplate, Interface, InterfaceTemplate,
@@ -376,16 +377,15 @@ class RackElevationListView(PermissionRequiredMixin, View):
             page = paginator.page(paginator.num_pages)
 
         # Determine rack face
-        if request.GET.get('face') == '1':
+        rack_face = request.GET.get('face', DeviceFaceChoices.FACE_FRONT)
-            face_id = 1
+        if rack_face not in DeviceFaceChoices.values():
-        else:
+            rack_face = DeviceFaceChoices.FACE_FRONT
-            face_id = 0
 
         return render(request, 'dcim/rack_elevation_list.html', {
             'paginator': paginator,
             'page': page,
             'total_count': total_count,
-            'face_id': face_id,
+            'rack_face': rack_face,
             'filter_form': forms.RackElevationFilterForm(request.GET),
         })
 
@@ -1945,6 +1945,12 @@ class CableCreateView(PermissionRequiredMixin, GetReturnURLMixin, View):
         # Parse initial data manually to avoid setting field values as lists
         initial_data = {k: request.GET[k] for k in request.GET}
 
+        # Set initial site and rack based on side A termination (if not already set)
+        if 'termination_b_site' not in initial_data:
+            initial_data['termination_b_site'] = getattr(self.obj.termination_a.parent, 'site', None)
+        if 'termination_b_rack' not in initial_data:
+            initial_data['termination_b_rack'] = getattr(self.obj.termination_a.parent, 'rack', None)
+
         form = self.form_class(instance=self.obj, initial=initial_data)
 
         return render(request, self.template_name, {

netbox/extras/scripts.py

@@ -14,10 +14,10 @@ from django.db import transaction
 from mptt.forms import TreeNodeChoiceField, TreeNodeMultipleChoiceField
 from mptt.models import MPTTModel
 
-from ipam.formfields import IPFormField
+from ipam.formfields import IPAddressFormField, IPNetworkFormField
-from utilities.exceptions import AbortTransaction
+from ipam.validators import MaxPrefixLengthValidator, MinPrefixLengthValidator, prefix_validator
-from utilities.validators import MaxPrefixLengthValidator, MinPrefixLengthValidator
 from .constants import LOG_DEFAULT, LOG_FAILURE, LOG_INFO, LOG_SUCCESS, LOG_WARNING
+from utilities.exceptions import AbortTransaction
 from .forms import ScriptForm
 from .signals import purge_changelog
 
@@ -27,6 +27,8 @@ __all__ = [
     'ChoiceVar',
     'FileVar',
     'IntegerVar',
+    'IPAddressVar',
+    'IPAddressWithMaskVar',
     'IPNetworkVar',
     'MultiObjectVar',
     'ObjectVar',
@@ -48,15 +50,19 @@ class ScriptVariable:
 
     def __init__(self, label='', description='', default=None, required=True):
 
-        # Default field attributes
+        # Initialize field attributes
-        self.field_attrs = {
+        if not hasattr(self, 'field_attrs'):
-            'help_text': description,
+            self.field_attrs = {}
-            'required': required
+        if description:
-        }
+            self.field_attrs['help_text'] = description
         if label:
             self.field_attrs['label'] = label
         if default:
             self.field_attrs['initial'] = default
+        if required:
+            self.field_attrs['required'] = True
+        if 'validators' not in self.field_attrs:
+            self.field_attrs['validators'] = []
 
     def as_field(self):
         """
@@ -196,17 +202,32 @@ class FileVar(ScriptVariable):
     form_field = forms.FileField
 
 
+class IPAddressVar(ScriptVariable):
+    """
+    An IPv4 or IPv6 address without a mask.
+    """
+    form_field = IPAddressFormField
+
+
+class IPAddressWithMaskVar(ScriptVariable):
+    """
+    An IPv4 or IPv6 address with a mask.
+    """
+    form_field = IPNetworkFormField
+
+
 class IPNetworkVar(ScriptVariable):
     """
     An IPv4 or IPv6 prefix.
     """
-    form_field = IPFormField
+    form_field = IPNetworkFormField
+    field_attrs = {
+        'validators': [prefix_validator]
+    }
 
     def __init__(self, min_prefix_length=None, max_prefix_length=None, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
-        self.field_attrs['validators'] = list()
-
         # Optional minimum/maximum prefix lengths
         if min_prefix_length is not None:
             self.field_attrs['validators'].append(

netbox/extras/tests/test_scripts.py

@@ -1,6 +1,6 @@
 from django.core.files.uploadedfile import SimpleUploadedFile
 from django.test import TestCase
-from netaddr import IPNetwork
+from netaddr import IPAddress, IPNetwork
 
 from dcim.models import DeviceRole
 from extras.scripts import *
@@ -186,6 +186,54 @@ class ScriptVariablesTest(TestCase):
         self.assertTrue(form.is_valid())
         self.assertEqual(form.cleaned_data['var1'], testfile)
 
+    def test_ipaddressvar(self):
+
+        class TestScript(Script):
+
+            var1 = IPAddressVar()
+
+        # Validate IP network enforcement
+        data = {'var1': '1.2.3'}
+        form = TestScript().as_form(data, None)
+        self.assertFalse(form.is_valid())
+        self.assertIn('var1', form.errors)
+
+        # Validate IP mask exclusion
+        data = {'var1': '192.0.2.0/24'}
+        form = TestScript().as_form(data, None)
+        self.assertFalse(form.is_valid())
+        self.assertIn('var1', form.errors)
+
+        # Validate valid data
+        data = {'var1': '192.0.2.1'}
+        form = TestScript().as_form(data, None)
+        self.assertTrue(form.is_valid())
+        self.assertEqual(form.cleaned_data['var1'], IPAddress(data['var1']))
+
+    def test_ipaddresswithmaskvar(self):
+
+        class TestScript(Script):
+
+            var1 = IPAddressWithMaskVar()
+
+        # Validate IP network enforcement
+        data = {'var1': '1.2.3'}
+        form = TestScript().as_form(data, None)
+        self.assertFalse(form.is_valid())
+        self.assertIn('var1', form.errors)
+
+        # Validate IP mask requirement
+        data = {'var1': '192.0.2.0'}
+        form = TestScript().as_form(data, None)
+        self.assertFalse(form.is_valid())
+        self.assertIn('var1', form.errors)
+
+        # Validate valid data
+        data = {'var1': '192.0.2.0/24'}
+        form = TestScript().as_form(data, None)
+        self.assertTrue(form.is_valid())
+        self.assertEqual(form.cleaned_data['var1'], IPNetwork(data['var1']))
+
     def test_ipnetworkvar(self):
 
         class TestScript(Script):
@@ -198,6 +246,12 @@ class ScriptVariablesTest(TestCase):
         self.assertFalse(form.is_valid())
         self.assertIn('var1', form.errors)
 
+        # Validate host IP check
+        data = {'var1': '192.0.2.1/24'}
+        form = TestScript().as_form(data, None)
+        self.assertFalse(form.is_valid())
+        self.assertIn('var1', form.errors)
+
         # Validate valid data
         data = {'var1': '192.0.2.0/24'}
         form = TestScript().as_form(data, None)

netbox/extras/tests/test_webhooks.py

@@ -1,11 +1,19 @@
+import json
+import uuid
+from unittest.mock import patch
+
 import django_rq
 from django.contrib.contenttypes.models import ContentType
+from django.http import HttpResponse
 from django.urls import reverse
+from requests import Session
 from rest_framework import status
 
 from dcim.models import Site
 from extras.choices import ObjectChangeActionChoices
 from extras.models import Webhook
+from extras.webhooks import enqueue_webhooks, generate_signature
+from extras.webhooks_worker import process_webhook
 from utilities.testing import APITestCase
 
 
@@ -22,11 +30,13 @@ class WebhookTest(APITestCase):
     def setUpTestData(cls):
 
         site_ct = ContentType.objects.get_for_model(Site)
-        PAYLOAD_URL = "http://localhost/"
+        DUMMY_URL = "http://localhost/"
+        DUMMY_SECRET = "LOOKATMEIMASECRETSTRING"
+
         webhooks = Webhook.objects.bulk_create((
-            Webhook(name='Site Create Webhook', type_create=True, payload_url=PAYLOAD_URL),
+            Webhook(name='Site Create Webhook', type_create=True, payload_url=DUMMY_URL, secret=DUMMY_SECRET, additional_headers={'X-Foo': 'Bar'}),
-            Webhook(name='Site Update Webhook', type_update=True, payload_url=PAYLOAD_URL),
+            Webhook(name='Site Update Webhook', type_update=True, payload_url=DUMMY_URL, secret=DUMMY_SECRET),
-            Webhook(name='Site Delete Webhook', type_delete=True, payload_url=PAYLOAD_URL),
+            Webhook(name='Site Delete Webhook', type_delete=True, payload_url=DUMMY_URL, secret=DUMMY_SECRET),
         ))
         for webhook in webhooks:
             webhook.obj_type.set([site_ct])
@@ -87,3 +97,47 @@ class WebhookTest(APITestCase):
         self.assertEqual(job.args[1]['id'], site.pk)
         self.assertEqual(job.args[2], 'site')
         self.assertEqual(job.args[3], ObjectChangeActionChoices.ACTION_DELETE)
+
+    def test_webhooks_worker(self):
+
+        request_id = uuid.uuid4()
+
+        def dummy_send(_, request):
+            """
+            A dummy implementation of Session.send() to be used for testing.
+            Always returns a 200 HTTP response.
+            """
+            webhook = Webhook.objects.get(type_create=True)
+            signature = generate_signature(request.body, webhook.secret)
+
+            # Validate the outgoing request headers
+            self.assertEqual(request.headers['Content-Type'], webhook.http_content_type)
+            self.assertEqual(request.headers['X-Hook-Signature'], signature)
+            self.assertEqual(request.headers['X-Foo'], 'Bar')
+
+            # Validate the outgoing request body
+            body = json.loads(request.body)
+            self.assertEqual(body['event'], 'created')
+            self.assertEqual(body['timestamp'], job.args[4])
+            self.assertEqual(body['model'], 'site')
+            self.assertEqual(body['username'], 'testuser')
+            self.assertEqual(body['request_id'], str(request_id))
+            self.assertEqual(body['data']['name'], 'Site 1')
+
+            return HttpResponse()
+
+        # Enqueue a webhook for processing
+        site = Site.objects.create(name='Site 1', slug='site-1')
+        enqueue_webhooks(
+            instance=site,
+            user=self.user,
+            request_id=request_id,
+            action=ObjectChangeActionChoices.ACTION_CREATE
+        )
+
+        # Retrieve the job from queue
+        job = self.queue.jobs[0]
+
+        # Patch the Session object with our dummy_send() method, then process the webhook for sending
+        with patch.object(Session, 'send', dummy_send) as mock_send:
+            process_webhook(*job.args)

netbox/extras/webhooks.py

@@ -1,6 +1,9 @@
 import datetime
+import hashlib
+import hmac
 
 from django.contrib.contenttypes.models import ContentType
+from django.utils import timezone
 
 from extras.models import Webhook
 from utilities.api import get_serializer_for_model
@@ -8,6 +11,18 @@ from .choices import *
 from .constants import *
 
 
+def generate_signature(request_body, secret):
+    """
+    Return a cryptographic signature that can be used to verify the authenticity of webhook data.
+    """
+    hmac_prep = hmac.new(
+        key=secret.encode('utf8'),
+        msg=request_body.encode('utf8'),
+        digestmod=hashlib.sha512
+    )
+    return hmac_prep.hexdigest()
+
+
 def enqueue_webhooks(instance, user, request_id, action):
     """
     Find Webhook(s) assigned to this instance + action and enqueue them
@@ -48,7 +63,7 @@ def enqueue_webhooks(instance, user, request_id, action):
                 serializer.data,
                 instance._meta.model_name,
                 action,
-                str(datetime.datetime.now()),
+                str(timezone.now()),
                 user.username,
                 request_id
             )

netbox/extras/webhooks_worker.py

@@ -1,5 +1,3 @@
-import hashlib
-import hmac
 import json
 
 import requests
@@ -7,6 +5,7 @@ from django_rq import job
 from rest_framework.utils.encoders import JSONEncoder
 
 from .choices import ObjectChangeActionChoices, WebhookContentTypeChoices
+from .webhooks import generate_signature
 
 
 @job('default')
@@ -23,7 +22,7 @@ def process_webhook(webhook, data, model_name, event, timestamp, username, reque
         'data': data
     }
     headers = {
-        'Content-Type': webhook.get_http_content_type_display(),
+        'Content-Type': webhook.http_content_type,
     }
     if webhook.additional_headers:
         headers.update(webhook.additional_headers)
@@ -43,12 +42,7 @@ def process_webhook(webhook, data, model_name, event, timestamp, username, reque
 
     if webhook.secret != '':
         # Sign the request with a hash of the secret key and its content.
-        hmac_prep = hmac.new(
+        prepared_request.headers['X-Hook-Signature'] = generate_signature(prepared_request.body, webhook.secret)
-            key=webhook.secret.encode('utf8'),
-            msg=prepared_request.body.encode('utf8'),
-            digestmod=hashlib.sha512
-        )
-        prepared_request.headers['X-Hook-Signature'] = hmac_prep.hexdigest()
 
     with requests.Session() as session:
         session.verify = webhook.ssl_verification
@@ -56,7 +50,7 @@ def process_webhook(webhook, data, model_name, event, timestamp, username, reque
             session.verify = webhook.ca_file_path
         response = session.send(prepared_request)
 
-    if response.status_code >= 200 and response.status_code <= 299:
+    if 200 <= response.status_code <= 299:
         return 'Status {} returned, webhook successfully processed.'.format(response.status_code)
     else:
         raise requests.exceptions.RequestException(

netbox/ipam/constants.py

@@ -4,10 +4,34 @@ from .choices import IPAddressRoleChoices
 BGP_ASN_MIN = 1
 BGP_ASN_MAX = 2**32 - 1
 
+
 #
-# IP addresses
+# VRFs
 #
 
+# Per RFC 4364 section 4.2, a route distinguisher may be encoded as one of the following:
+#   * Type 0 (16-bit AS number : 32-bit integer)
+#   * Type 1 (32-bit IPv4 address : 16-bit integer)
+#   * Type 2 (32-bit AS number : 16-bit integer)
+# 21 characters are sufficient to convey the longest possible string value (255.255.255.255:65535)
+VRF_RD_MAX_LENGTH = 21
+
+
+#
+# Prefixes
+#
+
+PREFIX_LENGTH_MIN = 1
+PREFIX_LENGTH_MAX = 127  # IPv6
+
+
+#
+# IPAddresses
+#
+
+IPADDRESS_MASK_LENGTH_MIN = 1
+IPADDRESS_MASK_LENGTH_MAX = 128  # IPv6
+
 IPADDRESS_ROLES_NONUNIQUE = (
     # IPAddress roles which are exempt from unique address enforcement
     IPAddressRoleChoices.ROLE_ANYCAST,
@@ -17,3 +41,21 @@ IPADDRESS_ROLES_NONUNIQUE = (
     IPAddressRoleChoices.ROLE_GLBP,
     IPAddressRoleChoices.ROLE_CARP,
 )
+
+
+#
+# VLANs
+#
+
+# 12-bit VLAN ID (values 0 and 4095 are reserved)
+VLAN_VID_MIN = 1
+VLAN_VID_MAX = 4094
+
+
+#
+# Services
+#
+
+# 16-bit port number
+SERVICE_PORT_MIN = 1
+SERVICE_PORT_MAX = 65535

netbox/ipam/fields.py

@@ -2,13 +2,8 @@ from django.core.exceptions import ValidationError
 from django.db import models
 from netaddr import AddrFormatError, IPNetwork
 
-from . import lookups
+from . import lookups, validators
-from .formfields import IPFormField
+from .formfields import IPNetworkFormField
-
-
-def prefix_validator(prefix):
-    if prefix.ip != prefix.cidr.ip:
-        raise ValidationError("{} is not a valid prefix. Did you mean {}?".format(prefix, prefix.cidr))
 
 
 class BaseIPField(models.Field):
@@ -38,7 +33,7 @@ class BaseIPField(models.Field):
         return str(self.to_python(value))
 
     def form_class(self):
-        return IPFormField
+        return IPNetworkFormField
 
     def formfield(self, **kwargs):
         defaults = {'form_class': self.form_class()}
@@ -51,7 +46,7 @@ class IPNetworkField(BaseIPField):
     IP prefix (network and mask)
     """
     description = "PostgreSQL CIDR field"
-    default_validators = [prefix_validator]
+    default_validators = [validators.prefix_validator]
 
     def db_type(self, connection):
         return 'cidr'

netbox/ipam/formfields.py

@@ -1,13 +1,44 @@
 from django import forms
 from django.core.exceptions import ValidationError
-from netaddr import IPNetwork, AddrFormatError
+from django.core.validators import validate_ipv4_address, validate_ipv6_address
+from netaddr import IPAddress, IPNetwork, AddrFormatError
 
 
 #
 # Form fields
 #
 
-class IPFormField(forms.Field):
+class IPAddressFormField(forms.Field):
+    default_error_messages = {
+        'invalid': "Enter a valid IPv4 or IPv6 address (without a mask).",
+    }
+
+    def to_python(self, value):
+        if not value:
+            return None
+
+        if isinstance(value, IPAddress):
+            return value
+
+        # netaddr is a bit too liberal with what it accepts as a valid IP address. For example, '1.2.3' will become
+        # IPAddress('1.2.0.3'). Here, we employ Django's built-in IPv4 and IPv6 address validators as a sanity check.
+        try:
+            validate_ipv4_address(value)
+        except ValidationError:
+            try:
+                validate_ipv6_address(value)
+            except ValidationError:
+                raise ValidationError("Invalid IPv4/IPv6 address format: {}".format(value))
+
+        try:
+            return IPAddress(value)
+        except ValueError:
+            raise ValidationError('This field requires an IP address without a mask.')
+        except AddrFormatError:
+            raise ValidationError("Please specify a valid IPv4 or IPv6 address.")
+
+
+class IPNetworkFormField(forms.Field):
     default_error_messages = {
         'invalid': "Enter a valid IPv4 or IPv6 address (with CIDR mask).",
     }

netbox/ipam/forms.py

@@ -13,17 +13,18 @@ from utilities.forms import (
     SlugField, StaticSelect2, StaticSelect2Multiple, TagFilterField, BOOLEAN_WITH_BLANK_CHOICES
 )
 from virtualization.models import VirtualMachine
+from .constants import *
 from .choices import *
 from .models import Aggregate, IPAddress, Prefix, RIR, Role, Service, VLAN, VLANGroup, VRF
 
-IP_FAMILY_CHOICES = [
-    ('', 'All'),
-    (4, 'IPv4'),
-    (6, 'IPv6'),
-]
 
-PREFIX_MASK_LENGTH_CHOICES = add_blank_choice([(i, i) for i in range(1, 128)])
+PREFIX_MASK_LENGTH_CHOICES = add_blank_choice([
-IPADDRESS_MASK_LENGTH_CHOICES = add_blank_choice([(i, i) for i in range(1, 129)])
+    (i, i) for i in range(PREFIX_LENGTH_MIN, PREFIX_LENGTH_MAX + 1)
+])
+
+IPADDRESS_MASK_LENGTH_CHOICES = add_blank_choice([
+    (i, i) for i in range(IPADDRESS_MASK_LENGTH_MIN, IPADDRESS_MASK_LENGTH_MAX + 1)
+])
 
 
 #
@@ -219,7 +220,7 @@ class AggregateFilterForm(BootstrapMixin, CustomFieldFilterForm):
     )
     family = forms.ChoiceField(
         required=False,
-        choices=IP_FAMILY_CHOICES,
+        choices=add_blank_choice(IPAddressFamilyChoices),
         label='Address family',
         widget=StaticSelect2()
     )
@@ -452,8 +453,8 @@ class PrefixBulkEditForm(BootstrapMixin, AddRemoveTagsForm, CustomFieldBulkEditF
         )
     )
     prefix_length = forms.IntegerField(
-        min_value=1,
+        min_value=PREFIX_LENGTH_MIN,
-        max_value=127,
+        max_value=PREFIX_LENGTH_MAX,
         required=False
     )
     tenant = forms.ModelChoiceField(
@@ -512,7 +513,7 @@ class PrefixFilterForm(BootstrapMixin, TenancyFilterForm, CustomFieldFilterForm)
     )
     family = forms.ChoiceField(
         required=False,
-        choices=IP_FAMILY_CHOICES,
+        choices=add_blank_choice(IPAddressFamilyChoices),
         label='Address family',
         widget=StaticSelect2()
     )
@@ -899,8 +900,8 @@ class IPAddressBulkEditForm(BootstrapMixin, AddRemoveTagsForm, CustomFieldBulkEd
         )
     )
     mask_length = forms.IntegerField(
-        min_value=1,
+        min_value=IPADDRESS_MASK_LENGTH_MIN,
-        max_value=128,
+        max_value=IPADDRESS_MASK_LENGTH_MAX,
         required=False
     )
     tenant = forms.ModelChoiceField(
@@ -972,7 +973,7 @@ class IPAddressFilterForm(BootstrapMixin, TenancyFilterForm, CustomFieldFilterFo
     )
     family = forms.ChoiceField(
         required=False,
-        choices=IP_FAMILY_CHOICES,
+        choices=add_blank_choice(IPAddressFamilyChoices),
         label='Address family',
         widget=StaticSelect2()
     )
@@ -1305,8 +1306,8 @@ class VLANFilterForm(BootstrapMixin, TenancyFilterForm, CustomFieldFilterForm):
 
 class ServiceForm(BootstrapMixin, CustomFieldForm):
     port = forms.IntegerField(
-        min_value=1,
+        min_value=SERVICE_PORT_MIN,
-        max_value=65535
+        max_value=SERVICE_PORT_MAX
     )
     tags = TagField(
         required=False

netbox/ipam/models.py

@@ -14,7 +14,7 @@ from utilities.models import ChangeLoggedModel
 from utilities.utils import serialize_object
 from virtualization.models import VirtualMachine
 from .choices import *
-from .constants import IPADDRESS_ROLES_NONUNIQUE
+from .constants import *
 from .fields import IPNetworkField, IPAddressField
 from .managers import IPAddressManager
 from .querysets import PrefixQuerySet
@@ -44,7 +44,7 @@ class VRF(ChangeLoggedModel, CustomFieldModel):
         max_length=50
     )
     rd = models.CharField(
-        max_length=21,
+        max_length=VRF_RD_MAX_LENGTH,
         unique=True,
         blank=True,
         null=True,
@@ -1006,7 +1006,7 @@ class Service(ChangeLoggedModel, CustomFieldModel):
         choices=ServiceProtocolChoices
     )
     port = models.PositiveIntegerField(
-        validators=[MinValueValidator(1), MaxValueValidator(65535)],
+        validators=[MinValueValidator(SERVICE_PORT_MIN), MaxValueValidator(SERVICE_PORT_MAX)],
         verbose_name='Port number'
     )
     ipaddresses = models.ManyToManyField(

netbox/ipam/validators.py

@@ -1,4 +1,26 @@
-from django.core.validators import RegexValidator
+from django.core.exceptions import ValidationError
+from django.core.validators import BaseValidator, RegexValidator
+
+
+def prefix_validator(prefix):
+    if prefix.ip != prefix.cidr.ip:
+        raise ValidationError("{} is not a valid prefix. Did you mean {}?".format(prefix, prefix.cidr))
+
+
+class MaxPrefixLengthValidator(BaseValidator):
+    message = 'The prefix length must be less than or equal to %(limit_value)s.'
+    code = 'max_prefix_length'
+
+    def compare(self, a, b):
+        return a.prefixlen > b
+
+
+class MinPrefixLengthValidator(BaseValidator):
+    message = 'The prefix length must be greater than or equal to %(limit_value)s.'
+    code = 'min_prefix_length'
+
+    def compare(self, a, b):
+        return a.prefixlen < b
 
 
 DNSValidator = RegexValidator(

netbox/ipam/views.py

@@ -15,6 +15,7 @@ from utilities.views import (
 from virtualization.models import VirtualMachine
 from . import filters, forms, tables
 from .choices import *
+from .constants import *
 from .models import Aggregate, IPAddress, Prefix, RIR, Role, Service, VLAN, VLANGroup, VRF
 
 
@@ -86,23 +87,20 @@ def add_available_vlans(vlan_group, vlans):
     """
     Create fake records for all gaps between used VLANs
     """
-    MIN_VLAN = 1
-    MAX_VLAN = 4094
-
     if not vlans:
-        return [{'vid': MIN_VLAN, 'available': MAX_VLAN - MIN_VLAN + 1}]
+        return [{'vid': VLAN_VID_MIN, 'available': VLAN_VID_MAX - VLAN_VID_MIN + 1}]
 
-    prev_vid = MAX_VLAN
+    prev_vid = VLAN_VID_MAX
     new_vlans = []
     for vlan in vlans:
         if vlan.vid - prev_vid > 1:
             new_vlans.append({'vid': prev_vid + 1, 'available': vlan.vid - prev_vid - 1})
         prev_vid = vlan.vid
 
-    if vlans[0].vid > MIN_VLAN:
+    if vlans[0].vid > VLAN_VID_MIN:
-        new_vlans.append({'vid': MIN_VLAN, 'available': vlans[0].vid - MIN_VLAN})
+        new_vlans.append({'vid': VLAN_VID_MIN, 'available': vlans[0].vid - VLAN_VID_MIN})
-    if prev_vid < MAX_VLAN:
+    if prev_vid < VLAN_VID_MAX:
-        new_vlans.append({'vid': prev_vid + 1, 'available': MAX_VLAN - prev_vid})
+        new_vlans.append({'vid': prev_vid + 1, 'available': VLAN_VID_MAX - prev_vid})
 
     vlans = list(vlans) + new_vlans
     vlans.sort(key=lambda v: v.vid if type(v) == VLAN else v['vid'])

netbox/netbox/tests/test_api.py

@@ -0,0 +1,13 @@
+from django.urls import reverse
+
+from utilities.testing import APITestCase
+
+
+class AppTest(APITestCase):
+
+    def test_root(self):
+
+        url = reverse('api-root')
+        response = self.client.get('{}?format=api'.format(url), **self.header)
+
+        self.assertEqual(response.status_code, 200)

netbox/netbox/tests/test_views.py

@@ -0,0 +1,24 @@
+import urllib.parse
+
+from django.test import TestCase
+from django.urls import reverse
+
+
+class HomeViewTestCase(TestCase):
+
+    def test_home(self):
+
+        url = reverse('home')
+
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+
+    def test_search(self):
+
+        url = reverse('search')
+        params = {
+            'q': 'foo',
+        }
+
+        response = self.client.get('{}?{}'.format(url, urllib.parse.urlencode(params)))
+        self.assertEqual(response.status_code, 200)

netbox/project-static/js/forms.js

@@ -158,14 +158,17 @@ $(document).ready(function() {
 
                 filter_for_elements.each(function(index, filter_for_element) {
                     var param_name = $(filter_for_element).attr(attr_name);
+                    var is_required = $(filter_for_element).attr("required");
                     var is_nullable = $(filter_for_element).attr("nullable");
                     var is_visible = $(filter_for_element).is(":visible");
                     var value = $(filter_for_element).val();
 
-                    if (param_name && is_visible && value) {
+                    if (param_name && is_visible) {
-                        parameters[param_name] = value;
+                        if (value) {
-                    } else if (param_name && is_visible && is_nullable) {
+                            parameters[param_name] = value;
-                        parameters[param_name] = "null";
+                        } else if (is_required && is_nullable) {
+                            parameters[param_name] = "null";
+                        }
                     }
                 });
 

netbox/secrets/constants.py

@@ -0,0 +1,5 @@
+#
+# Secrets
+#
+
+SECRET_PLAINTEXT_MAX_LENGTH = 65535

netbox/secrets/forms.py

@@ -9,6 +9,7 @@ from utilities.forms import (
     APISelect, APISelectMultiple, BootstrapMixin, FilterChoiceField, FlexibleModelChoiceField, SlugField,
     StaticSelect2Multiple, TagFilterField
 )
+from .constants import *
 from .models import Secret, SecretRole, UserKey
 
 
@@ -69,7 +70,7 @@ class SecretRoleCSVForm(forms.ModelForm):
 
 class SecretForm(BootstrapMixin, CustomFieldForm):
     plaintext = forms.CharField(
-        max_length=65535,
+        max_length=SECRET_PLAINTEXT_MAX_LENGTH,
         required=False,
         label='Plaintext',
         widget=forms.PasswordInput(
@@ -79,7 +80,7 @@ class SecretForm(BootstrapMixin, CustomFieldForm):
         )
     )
     plaintext2 = forms.CharField(
-        max_length=65535,
+        max_length=SECRET_PLAINTEXT_MAX_LENGTH,
         required=False,
         label='Plaintext (verify)',
         widget=forms.PasswordInput()

netbox/secrets/tests/test_form.py

@@ -29,5 +29,4 @@ class UserKeyFormTestCase(TestCase):
             data={'public_key': SSH_PUBLIC_KEY},
             instance=self.userkey,
         )
-        print(form.is_valid())
         self.assertFalse(form.is_valid())

netbox/templates/dcim/cable_connect.html

@@ -144,25 +144,8 @@
             </div>
         </div>
         <div class="row">
-            <div class="col-md-4 col-md-offset-4">
+            <div class="col-md-6 col-md-offset-3">
-                <div class="panel panel-default">
+                {% include 'dcim/inc/cable_form.html' %}
-                    <div class="panel-heading"><strong>Cable</strong></div>
-                    <div class="panel-body">
-                        {% render_field form.status %}
-                        {% render_field form.type %}
-                        {% render_field form.label %}
-                        {% render_field form.color %}
-                        <div class="form-group">
-                            <label class="col-md-3 control-label" for="id_length">{{ form.length.label }}</label>
-                            <div class="col-md-6">
-                                {{ form.length }}
-                            </div>
-                            <div class="col-md-3">
-                                {{ form.length_unit }}
-                            </div>
-                        </div>
-                    </div>
-                </div>
             </div>
         </div>
         <div class="form-group">

netbox/templates/dcim/cable_edit.html

@@ -1,23 +1,5 @@
 {% extends 'utilities/obj_edit.html' %}
-{% load form_helpers %}
 
 {% block form %}
-    <div class="panel panel-default">
+    {% include 'dcim/inc/cable_form.html' %}
-        <div class="panel-heading"><strong>Cable</strong></div>
-        <div class="panel-body">
-            {% render_field form.type %}
-            {% render_field form.status %}
-            {% render_field form.label %}
-            {% render_field form.color %}
-            <div class="form-group">
-                <label class="col-md-3 control-label" for="id_length">{{ form.length.label }}</label>
-                <div class="col-md-6">
-                    {{ form.length }}
-                </div>
-                <div class="col-md-3">
-                    {{ form.length_unit }}
-                </div>
-            </div>
-        </div>
-    </div>
 {% endblock %}

netbox/templates/dcim/inc/cable_form.html

@@ -0,0 +1,19 @@
+{% load form_helpers %}
+<div class="panel panel-default">
+    <div class="panel-heading"><strong>Cable</strong></div>
+    <div class="panel-body">
+        {% render_field form.status %}
+        {% render_field form.type %}
+        {% render_field form.label %}
+        {% render_field form.color %}
+        <div class="form-group">
+            <label class="col-md-3 control-label" for="id_length">{{ form.length.label }}</label>
+            <div class="col-md-5">
+                {{ form.length }}
+            </div>
+            <div class="col-md-4">
+                {{ form.length_unit }}
+            </div>
+        </div>
+    </div>
+</div>

netbox/templates/dcim/rack_elevation_list.html

@@ -3,8 +3,8 @@
 
 {% block content %}
 <div class="btn-group pull-right noprint" role="group">
-    <a href="{% url 'dcim:rack_elevation_list' %}{% querystring request face=0 %}" class="btn btn-default{% if request.GET.face != '1' %} active{% endif %}">Front</a>
+    <a href="{% url 'dcim:rack_elevation_list' %}{% querystring request face='front' %}" class="btn btn-default{% if rack_face == 'front' %} active{% endif %}">Front</a>
-    <a href="{% url 'dcim:rack_elevation_list' %}{% querystring request face=1 %}" class="btn btn-default{% if request.GET.face == '1' %} active{% endif %}">Rear</a>
+    <a href="{% url 'dcim:rack_elevation_list' %}{% querystring request face='rear' %}" class="btn btn-default{% if rack_face == 'rear' %} active{% endif %}">Rear</a>
 </div>
 <h1>{% block title %}Rack Elevations{% endblock %}</h1>
 <div class="row">
@@ -17,11 +17,7 @@
                             <strong><a href="{% url 'dcim:rack' pk=rack.pk %}">{{ rack.name|truncatechars:"25" }}</a></strong>
                             <p><small class="text-muted">{{ rack.facility_id|truncatechars:"30" }}</small></p>
                         </div>
-                        {% if face_id %}
+                        {% include 'dcim/inc/rack_elevation.html' with face=rack_face %}
-                            {% include 'dcim/inc/rack_elevation.html' with face='rear' %}
-                        {% else %}
-                            {% include 'dcim/inc/rack_elevation.html' with face='front' %}
-                        {% endif %}
                         <div class="clearfix"></div>
                         <div class="rack_header">
                             <strong><a href="{% url 'dcim:rack' pk=rack.pk %}">{{ rack.name|truncatechars:"25" }}</a></strong>

netbox/utilities/api.py

@@ -13,7 +13,6 @@ from rest_framework.response import Response
 from rest_framework.serializers import Field, ModelSerializer, ValidationError
 from rest_framework.viewsets import ModelViewSet as _ModelViewSet, ViewSet
 
-from utilities.choices import ChoiceSet
 from .utils import dict_to_filter_params, dynamic_import
 
 

netbox/utilities/choices.py

@@ -18,7 +18,7 @@ class ChoiceSet(metaclass=ChoiceSetMeta):
 
     @classmethod
     def values(cls):
-        return [c[0] for c in cls.CHOICES]
+        return [c[0] for c in unpack_grouped_choices(cls.CHOICES)]
 
     @classmethod
     def as_dict(cls):

netbox/utilities/tests/test_choices.py

@@ -0,0 +1,50 @@
+from django.test import TestCase
+
+from utilities.choices import ChoiceSet
+
+
+class ExampleChoices(ChoiceSet):
+
+    CHOICE_A = 'a'
+    CHOICE_B = 'b'
+    CHOICE_C = 'c'
+    CHOICE_1 = 1
+    CHOICE_2 = 2
+    CHOICE_3 = 3
+    CHOICES = (
+        ('Letters', (
+            (CHOICE_A, 'A'),
+            (CHOICE_B, 'B'),
+            (CHOICE_C, 'C'),
+        )),
+        ('Digits', (
+            (CHOICE_1, 'One'),
+            (CHOICE_2, 'Two'),
+            (CHOICE_3, 'Three'),
+        )),
+    )
+    LEGACY_MAP = {
+        CHOICE_A: 101,
+        CHOICE_B: 102,
+        CHOICE_C: 103,
+        CHOICE_1: 201,
+        CHOICE_2: 202,
+        CHOICE_3: 203,
+    }
+
+
+class ChoiceSetTestCase(TestCase):
+
+    def test_values(self):
+        self.assertListEqual(ExampleChoices.values(), ['a', 'b', 'c', 1, 2, 3])
+
+    def test_as_dict(self):
+        self.assertEqual(ExampleChoices.as_dict(), {
+            'a': 'A', 'b': 'B', 'c': 'C', 1: 'One', 2: 'Two', 3: 'Three'
+        })
+
+    def test_slug_to_id(self):
+        self.assertEqual(ExampleChoices.slug_to_id('a'), 101)
+
+    def test_id_to_slug(self):
+        self.assertEqual(ExampleChoices.id_to_slug(101), 'a')

netbox/utilities/validators.py

@@ -1,6 +1,6 @@
 import re
 
-from django.core.validators import _lazy_re_compile, BaseValidator, URLValidator
+from django.core.validators import _lazy_re_compile, URLValidator
 
 
 class EnhancedURLValidator(URLValidator):
@@ -26,19 +26,3 @@ class EnhancedURLValidator(URLValidator):
         r'(?:[/?#][^\s]*)?'                 # Path
         r'\Z', re.IGNORECASE)
     schemes = AnyURLScheme()
-
-
-class MaxPrefixLengthValidator(BaseValidator):
-    message = 'The prefix length must be less than or equal to %(limit_value)s.'
-    code = 'max_prefix_length'
-
-    def compare(self, a, b):
-        return a.prefixlen > b
-
-
-class MinPrefixLengthValidator(BaseValidator):
-    message = 'The prefix length must be greater than or equal to %(limit_value)s.'
-    code = 'min_prefix_length'
-
-    def compare(self, a, b):
-        return a.prefixlen < b

netbox/virtualization/fixtures/virtualization.json

@@ -0,0 +1,170 @@
+[
+{
+    "model": "virtualization.clustertype",
+    "pk": 1,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "Public Cloud",
+        "slug": "public-cloud"
+    }
+},
+{
+    "model": "virtualization.clustertype",
+    "pk": 2,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "vSphere",
+        "slug": "vsphere"
+    }
+},
+{
+    "model": "virtualization.clustertype",
+    "pk": 3,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "Hyper-V",
+        "slug": "hyper-v"
+    }
+},
+{
+    "model": "virtualization.clustertype",
+    "pk": 4,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "libvirt",
+        "slug": "libvirt"
+    }
+},
+{
+    "model": "virtualization.clustertype",
+    "pk": 5,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "LXD",
+        "slug": "lxd"
+    }
+},
+{
+    "model": "virtualization.clustertype",
+    "pk": 6,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "Docker",
+        "slug": "docker"
+    }
+},
+{
+    "model": "virtualization.clustergroup",
+    "pk": 1,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "VM Host",
+        "slug": "vm-host"
+    }
+},
+{
+    "model": "virtualization.cluster",
+    "pk": 1,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "Digital Ocean",
+        "type": 1,
+        "group": 1,
+        "tenant": null,
+        "site": null,
+        "comments": ""
+    }
+},
+{
+    "model": "virtualization.cluster",
+    "pk": 2,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "Amazon EC2",
+        "type": 1,
+        "group": 1,
+        "tenant": null,
+        "site": null,
+        "comments": ""
+    }
+},
+{
+    "model": "virtualization.cluster",
+    "pk": 3,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "Microsoft Azure",
+        "type": 1,
+        "group": 1,
+        "tenant": null,
+        "site": null,
+        "comments": ""
+    }
+},
+{
+    "model": "virtualization.cluster",
+    "pk": 4,
+    "fields": {
+        "created": "2016-08-01",
+        "last_updated": "2016-08-01T15:22:42.289Z",
+        "name": "vSphere Cluster",
+        "type": 2,
+        "group": 1,
+        "tenant": null,
+        "site": null,
+        "comments": ""
+    }
+},
+{
+    "model": "virtualization.virtualmachine",
+    "pk": 1,
+    "fields": {
+        "local_context_data": null,
+        "created": "2019-12-19",
+        "last_updated": "2019-12-19T05:24:19.146Z",
+        "cluster": 2,
+        "tenant": null,
+        "platform": null,
+        "name": "vm1",
+        "status": "active",
+        "role": null,
+        "primary_ip4": null,
+        "primary_ip6": null,
+        "vcpus": null,
+        "memory": null,
+        "disk": null,
+        "comments": ""
+    }
+},
+{
+    "model": "virtualization.virtualmachine",
+    "pk": 2,
+    "fields": {
+        "local_context_data": null,
+        "created": "2019-12-19",
+        "last_updated": "2019-12-19T05:24:41.478Z",
+        "cluster": 1,
+        "tenant": null,
+        "platform": null,
+        "name": "vm2",
+        "status": "active",
+        "role": null,
+        "primary_ip4": null,
+        "primary_ip6": null,
+        "vcpus": null,
+        "memory": null,
+        "disk": null,
+        "comments": ""
+    }
+}
+]

netbox/virtualization/forms.py

@@ -3,6 +3,7 @@ from django.core.exceptions import ValidationError
 from taggit.forms import TagField
 
 from dcim.choices import InterfaceModeChoices
+from dcim.constants import INTERFACE_MTU_MAX, INTERFACE_MTU_MIN
 from dcim.forms import INTERFACE_MODE_HELP_TEXT
 from dcim.models import Device, DeviceRole, Interface, Platform, Rack, Region, Site
 from extras.forms import AddRemoveTagsForm, CustomFieldBulkEditForm, CustomFieldForm, CustomFieldFilterForm
@@ -747,8 +748,8 @@ class InterfaceCreateForm(ComponentForm):
     )
     mtu = forms.IntegerField(
         required=False,
-        min_value=1,
+        min_value=INTERFACE_MTU_MIN,
-        max_value=32767,
+        max_value=INTERFACE_MTU_MAX,
         label='MTU'
     )
     mac_address = forms.CharField(
@@ -836,8 +837,8 @@ class InterfaceBulkEditForm(BootstrapMixin, BulkEditForm):
     )
     mtu = forms.IntegerField(
         required=False,
-        min_value=1,
+        min_value=INTERFACE_MTU_MIN,
-        max_value=32767,
+        max_value=INTERFACE_MTU_MAX,
         label='MTU'
     )
     description = forms.CharField(
@@ -933,8 +934,8 @@ class VirtualMachineBulkAddInterfaceForm(VirtualMachineBulkAddComponentForm):
     )
     mtu = forms.IntegerField(
         required=False,
-        min_value=1,
+        min_value=INTERFACE_MTU_MIN,
-        max_value=32767,
+        max_value=INTERFACE_MTU_MAX,
         label='MTU'
     )
     description = forms.CharField(