Closes #166: Add dns_name to IPAddress

CHANGELOG.md

@@ -135,6 +135,7 @@ functionality provided by the front end UI.
 
 ## Enhancements
 
+* [#166](https://github.com/digitalocean/netbox/issues/166) - Add `dns_name` field to IPAddress
 * [#323](https://github.com/digitalocean/netbox/issues/323) - Enforce view permissions by object type
 * [#1792](https://github.com/digitalocean/netbox/issues/1792) - Add CustomFieldChoices API endpoint
 * [#1863](https://github.com/digitalocean/netbox/issues/1863) - Add child object counts to API representation of organizational objects

netbox/ipam/api/serializers.py

@@ -210,8 +210,8 @@ class IPAddressSerializer(TaggitSerializer, CustomFieldModelSerializer):
     class Meta:
         model = IPAddress
         fields = [
-            'id', 'family', 'address', 'vrf', 'tenant', 'status', 'role', 'interface', 'description', 'nat_inside',
-            'nat_outside', 'tags', 'custom_fields', 'created', 'last_updated',
+            'id', 'family', 'address', 'vrf', 'tenant', 'status', 'role', 'interface', 'nat_inside',
+            'nat_outside', 'dns_name', 'description', 'tags', 'custom_fields', 'created', 'last_updated',
         ]
         read_only_fields = ['family']
 

netbox/ipam/filters.py

@@ -331,12 +331,13 @@ class IPAddressFilter(CustomFieldFilterSet, django_filters.FilterSet):
 
     class Meta:
         model = IPAddress
-        fields = ['family']
+        fields = ['family', 'dns_name']
 
     def search(self, queryset, name, value):
         if not value.strip():
             return queryset
         qs_filter = (
+            Q(dns_name__icontains=value) |
             Q(description__icontains=value) |
             Q(address__istartswith=value)
         )

netbox/ipam/forms.py

@@ -659,8 +659,8 @@ class IPAddressForm(BootstrapMixin, TenancyForm, ReturnURLForm, CustomFieldForm)
     class Meta:
         model = IPAddress
         fields = [
-            'address', 'vrf', 'status', 'role', 'description', 'interface', 'primary_for_parent', 'nat_site',
-            'nat_rack', 'nat_inside', 'tenant_group', 'tenant', 'tags',
+            'address', 'vrf', 'status', 'role', 'dns_name', 'description', 'interface', 'primary_for_parent',
+            'nat_site', 'nat_rack', 'nat_inside', 'tenant_group', 'tenant', 'tags',
         ]
         widgets = {
             'status': StaticSelect2(),
@@ -746,7 +746,7 @@ class IPAddressBulkAddForm(BootstrapMixin, TenancyForm, CustomFieldForm):
     class Meta:
         model = IPAddress
         fields = [
-            'address', 'vrf', 'status', 'role', 'description', 'tenant_group', 'tenant',
+            'address', 'vrf', 'status', 'role', 'dns_name', 'description', 'tenant_group', 'tenant',
         ]
         widgets = {
             'status': StaticSelect2(),
@@ -919,13 +919,18 @@ class IPAddressBulkEditForm(BootstrapMixin, AddRemoveTagsForm, CustomFieldBulkEd
         required=False,
         widget=StaticSelect2()
     )
+    dns_name = forms.CharField(
+        max_length=255,
+        required=False
+    )
     description = forms.CharField(
-        max_length=100, required=False
+        max_length=100,
+        required=False
     )
 
     class Meta:
         nullable_fields = [
-            'vrf', 'role', 'tenant', 'description',
+            'vrf', 'role', 'tenant', 'dns_name', 'description',
         ]
 
 

netbox/ipam/migrations/0027_ipaddress_add_dns_name.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.2 on 2019-04-22 21:43
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ipam', '0026_prefix_ordering_vrf_nulls_first'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='ipaddress',
+            name='dns_name',
+            field=models.CharField(blank=True, max_length=255, validators=[django.core.validators.RegexValidator(code='invalid', message='Only alphanumeric characters, hyphens, and periods are allowed in DNS names', regex='^[0-9A-Za-z\\.-]+$')]),
+        ),
+    ]

netbox/ipam/models.py

@@ -16,6 +16,7 @@ from utilities.utils import serialize_object
 from .constants import *
 from .fields import IPNetworkField, IPAddressField
 from .querysets import PrefixQuerySet
+from .validators import DNSValidator
 
 
 class VRF(ChangeLoggedModel, CustomFieldModel):
@@ -573,6 +574,13 @@ class IPAddress(ChangeLoggedModel, CustomFieldModel):
         verbose_name='NAT (Inside)',
         help_text='The IP for which this address is the "outside" IP'
     )
+    dns_name = models.CharField(
+        max_length=255,
+        blank=True,
+        validators=[DNSValidator],
+        verbose_name='DNS Name',
+        help_text='Hostname or FQDN'
+    )
     description = models.CharField(
         max_length=100,
         blank=True
@@ -588,7 +596,7 @@ class IPAddress(ChangeLoggedModel, CustomFieldModel):
 
     csv_headers = [
         'address', 'vrf', 'tenant', 'status', 'role', 'device', 'virtual_machine', 'interface_name', 'is_primary',
-        'description',
+        'dns_name', 'description',
     ]
 
     class Meta:
@@ -671,6 +679,7 @@ class IPAddress(ChangeLoggedModel, CustomFieldModel):
             self.virtual_machine.name if self.virtual_machine else None,
             self.interface.name if self.interface else None,
             is_primary,
+            self.dns_name,
             self.description,
         )
 

netbox/ipam/tables.py

@@ -339,7 +339,9 @@ class IPAddressTable(BaseTable):
 
     class Meta(BaseTable.Meta):
         model = IPAddress
-        fields = ('pk', 'address', 'vrf', 'status', 'role', 'tenant', 'parent', 'interface', 'description')
+        fields = (
+            'pk', 'address', 'vrf', 'status', 'role', 'tenant', 'parent', 'interface', 'dns_name', 'description',
+        )
         row_attrs = {
             'class': lambda record: 'success' if not isinstance(record, IPAddress) else '',
         }
@@ -352,7 +354,8 @@ class IPAddressDetailTable(IPAddressTable):
 
     class Meta(IPAddressTable.Meta):
         fields = (
-            'pk', 'address', 'vrf', 'status', 'role', 'tenant', 'nat_inside', 'parent', 'interface', 'description',
+            'pk', 'address', 'vrf', 'status', 'role', 'tenant', 'nat_inside', 'parent', 'interface', 'dns_name',
+            'description',
         )
 
 

netbox/ipam/validators.py

@@ -0,0 +1,8 @@
+from django.core.validators import RegexValidator
+
+
+DNSValidator = RegexValidator(
+    regex='^[a-z]+$',
+    message='Only alphanumeric characters, hyphens, and periods are allowed in DNS names',
+    code='invalid'
+)

netbox/templates/ipam/ipaddress.html

@@ -109,6 +109,10 @@
                         {% endif %}
                     </td>
                 </tr>
+                <tr>
+                    <td>DNS Name</td>
+                    <td>{{ ipaddress.dns_name|placeholder }}</td>
+                </tr>
                 <tr>
                     <td>Description</td>
                     <td>{{ ipaddress.description|placeholder }}</td>

netbox/templates/ipam/ipaddress_edit.html

@@ -17,6 +17,7 @@
             {% render_field form.status %}
             {% render_field form.role %}
             {% render_field form.vrf %}
+            {% render_field form.dns_name %}
             {% render_field form.description %}
         </div>
     </div>