content: import django.core.validators
  import django.db.models.deletion
  import taggit.managers
  from django.db import migrations, models
  
  import ipam.fields
  import utilities.json
  
  
  class Migration(migrations.Migration):
      replaces = [
          ('ipam', '0047_prefix_depth_children'),
          ('ipam', '0048_prefix_populate_depth_children'),
          ('ipam', '0049_prefix_mark_utilized'),
          ('ipam', '0050_iprange'),
          ('ipam', '0051_extend_tag_support'),
          ('ipam', '0052_fhrpgroup'),
          ('ipam', '0053_asn_model'),
      ]
  
      dependencies = [
          ('ipam', '0002_squashed_0046'),
          ('tenancy', '0001_squashed_0012'),
          ('extras', '0002_squashed_0059'),
          ('contenttypes', '0002_remove_content_type_name'),
      ]
  
      operations = [
          migrations.AddField(
              model_name='prefix',
              name='_children',
              field=models.PositiveBigIntegerField(default=0, editable=False),
          ),
          migrations.AddField(
              model_name='prefix',
              name='_depth',
              field=models.PositiveSmallIntegerField(default=0, editable=False),
          ),
          migrations.AddField(
              model_name='prefix',
              name='mark_utilized',
              field=models.BooleanField(default=False),
          ),
          migrations.CreateModel(
              name='IPRange',
              fields=[
                  ('created', models.DateField(auto_now_add=True, null=True)),
                  ('last_updated', models.DateTimeField(auto_now=True, null=True)),
                  (
                      'custom_field_data',
                      models.JSONField(blank=True, default=dict, encoder=utilities.json.CustomFieldJSONEncoder),
                  ),
                  ('id', models.BigAutoField(primary_key=True, serialize=False)),
                  ('start_address', ipam.fields.IPAddressField()),
                  ('end_address', ipam.fields.IPAddressField()),
                  ('size', models.PositiveIntegerField(editable=False)),
                  ('status', models.CharField(default='active', max_length=50)),
                  ('description', models.CharField(blank=True, max_length=200)),
                  (
                      'role',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.SET_NULL,
                          related_name='ip_ranges',
                          to='ipam.role',
                      ),
                  ),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
                  (
                      'tenant',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='ip_ranges',
                          to='tenancy.tenant',
                      ),
                  ),
                  (
                      'vrf',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='ip_ranges',
                          to='ipam.vrf',
                      ),
                  ),
              ],
              options={
                  'verbose_name': 'IP range',
                  'verbose_name_plural': 'IP ranges',
                  'ordering': (models.OrderBy(models.F('vrf'), nulls_first=True), 'start_address', 'pk'),
              },
          ),
          migrations.AddField(
              model_name='rir',
              name='tags',
              field=taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag'),
          ),
          migrations.AddField(
              model_name='role',
              name='tags',
              field=taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag'),
          ),
          migrations.AddField(
              model_name='vlangroup',
              name='tags',
              field=taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag'),
          ),
          migrations.CreateModel(
              name='FHRPGroup',
              fields=[
                  ('created', models.DateField(auto_now_add=True, null=True)),
                  ('last_updated', models.DateTimeField(auto_now=True, null=True)),
                  (
                      'custom_field_data',
                      models.JSONField(blank=True, default=dict, encoder=utilities.json.CustomFieldJSONEncoder),
                  ),
                  ('id', models.BigAutoField(primary_key=True, serialize=False)),
                  ('group_id', models.PositiveSmallIntegerField()),
                  ('protocol', models.CharField(max_length=50)),
                  ('auth_type', models.CharField(blank=True, max_length=50)),
                  ('auth_key', models.CharField(blank=True, max_length=255)),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
              ],
              options={
                  'verbose_name': 'FHRP group',
                  'ordering': ['protocol', 'group_id', 'pk'],
              },
          ),
          migrations.AlterField(
              model_name='ipaddress',
              name='assigned_object_type',
              field=models.ForeignKey(
                  blank=True,
                  null=True,
                  on_delete=django.db.models.deletion.PROTECT,
                  related_name='+',
                  to='contenttypes.contenttype',
              ),
          ),
          migrations.CreateModel(
              name='FHRPGroupAssignment',
              fields=[
                  ('created', models.DateField(auto_now_add=True, null=True)),
                  ('last_updated', models.DateTimeField(auto_now=True, null=True)),
                  ('id', models.BigAutoField(primary_key=True, serialize=False)),
                  ('interface_id', models.PositiveIntegerField()),
                  (
                      'priority',
                      models.PositiveSmallIntegerField(
                          validators=[
                              django.core.validators.MinValueValidator(0),
                              django.core.validators.MaxValueValidator(255),
                          ]
                      ),
                  ),
                  ('group', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='ipam.fhrpgroup')),
                  (
                      'interface_type',
                      models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='contenttypes.contenttype'),
                  ),
              ],
              options={
                  'verbose_name': 'FHRP group assignment',
                  'ordering': ('-priority', 'pk'),
                  'unique_together': {('interface_type', 'interface_id', 'group')},
              },
          ),
          migrations.CreateModel(
              name='ASN',
              fields=[
                  ('created', models.DateField(auto_now_add=True, null=True)),
                  ('last_updated', models.DateTimeField(auto_now=True, null=True)),
                  (
                      'custom_field_data',
                      models.JSONField(blank=True, default=dict, encoder=utilities.json.CustomFieldJSONEncoder),
                  ),
                  ('id', models.BigAutoField(primary_key=True, serialize=False)),
                  ('asn', ipam.fields.ASNField(unique=True)),
                  ('description', models.CharField(blank=True, max_length=200)),
                  (
                      'rir',
                      models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='asns', to='ipam.rir'),
                  ),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
                  (
                      'tenant',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='asns',
                          to='tenancy.tenant',
                      ),
                  ),
              ],
              options={
                  'verbose_name': 'ASN',
                  'verbose_name_plural': 'ASNs',
                  'ordering': ['asn'],
              },
          ),
      ]
  