content: from django.db import migrations, models
  import django.db.models.deletion
  import taggit.managers
  import utilities.json
  
  
  class Migration(migrations.Migration):
      initial = True
  
      dependencies = [
          ('contenttypes', '0002_remove_content_type_name'),
          ('extras', '0099_cachedvalue_ordering'),
          ('ipam', '0054_squashed_0067'),
          ('tenancy', '0012_contactassignment_custom_fields'),
      ]
  
      operations = [
          # IKE
          migrations.CreateModel(
              name='IKEProposal',
              fields=[
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('created', models.DateTimeField(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),
                  ),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('comments', models.TextField(blank=True)),
                  ('name', models.CharField(max_length=100, unique=True)),
                  ('authentication_method', models.CharField()),
                  ('encryption_algorithm', models.CharField()),
                  ('authentication_algorithm', models.CharField(blank=True)),
                  ('group', models.PositiveSmallIntegerField()),
                  ('sa_lifetime', models.PositiveIntegerField(blank=True, null=True)),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
              ],
              options={
                  'verbose_name': 'IKE proposal',
                  'verbose_name_plural': 'IKE proposals',
                  'ordering': ('name',),
              },
          ),
          migrations.CreateModel(
              name='IKEPolicy',
              fields=[
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('created', models.DateTimeField(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),
                  ),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('comments', models.TextField(blank=True)),
                  ('name', models.CharField(max_length=100, unique=True)),
                  ('version', models.PositiveSmallIntegerField(default=2)),
                  ('mode', models.CharField()),
                  ('preshared_key', models.TextField(blank=True)),
              ],
              options={
                  'verbose_name': 'IKE policy',
                  'verbose_name_plural': 'IKE policies',
                  'ordering': ('name',),
              },
          ),
          migrations.AddField(
              model_name='ikepolicy',
              name='proposals',
              field=models.ManyToManyField(related_name='ike_policies', to='vpn.ikeproposal'),
          ),
          migrations.AddField(
              model_name='ikepolicy',
              name='tags',
              field=taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag'),
          ),
          # IPSec
          migrations.CreateModel(
              name='IPSecProposal',
              fields=[
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('created', models.DateTimeField(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),
                  ),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('comments', models.TextField(blank=True)),
                  ('name', models.CharField(max_length=100, unique=True)),
                  ('encryption_algorithm', models.CharField(blank=True)),
                  ('authentication_algorithm', models.CharField(blank=True)),
                  ('sa_lifetime_seconds', models.PositiveIntegerField(blank=True, null=True)),
                  ('sa_lifetime_data', models.PositiveIntegerField(blank=True, null=True)),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
              ],
              options={
                  'verbose_name': 'IPSec proposal',
                  'verbose_name_plural': 'IPSec proposals',
                  'ordering': ('name',),
              },
          ),
          migrations.CreateModel(
              name='IPSecPolicy',
              fields=[
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('created', models.DateTimeField(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),
                  ),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('comments', models.TextField(blank=True)),
                  ('name', models.CharField(max_length=100, unique=True)),
                  ('pfs_group', models.PositiveSmallIntegerField(blank=True, null=True)),
              ],
              options={
                  'verbose_name': 'IPSec policy',
                  'verbose_name_plural': 'IPSec policies',
                  'ordering': ('name',),
              },
          ),
          migrations.AddField(
              model_name='ipsecpolicy',
              name='proposals',
              field=models.ManyToManyField(related_name='ipsec_policies', to='vpn.ipsecproposal'),
          ),
          migrations.AddField(
              model_name='ipsecpolicy',
              name='tags',
              field=taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag'),
          ),
          migrations.CreateModel(
              name='IPSecProfile',
              fields=[
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('created', models.DateTimeField(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),
                  ),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('comments', models.TextField(blank=True)),
                  ('name', models.CharField(max_length=100, unique=True)),
                  ('mode', models.CharField()),
                  (
                      'ike_policy',
                      models.ForeignKey(
                          on_delete=django.db.models.deletion.PROTECT, related_name='ipsec_profiles', to='vpn.ikepolicy'
                      ),
                  ),
                  (
                      'ipsec_policy',
                      models.ForeignKey(
                          on_delete=django.db.models.deletion.PROTECT, related_name='ipsec_profiles', to='vpn.ipsecpolicy'
                      ),
                  ),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
              ],
              options={
                  'verbose_name': 'IPSec profile',
                  'verbose_name_plural': 'IPSec profiles',
                  'ordering': ('name',),
              },
          ),
          # Tunnels
          migrations.CreateModel(
              name='TunnelGroup',
              fields=[
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('created', models.DateTimeField(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),
                  ),
                  ('name', models.CharField(max_length=100, unique=True)),
                  ('slug', models.SlugField(max_length=100, unique=True)),
                  ('description', models.CharField(blank=True, max_length=200)),
              ],
              options={
                  'verbose_name': 'tunnel group',
                  'verbose_name_plural': 'tunnel groups',
                  'ordering': ('name',),
              },
          ),
          migrations.AddField(
              model_name='tunnelgroup',
              name='tags',
              field=taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag'),
          ),
          migrations.CreateModel(
              name='Tunnel',
              fields=[
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('created', models.DateTimeField(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),
                  ),
                  ('description', models.CharField(blank=True, max_length=200)),
                  ('comments', models.TextField(blank=True)),
                  ('name', models.CharField(max_length=100, unique=True)),
                  ('status', models.CharField(default='active', max_length=50)),
                  (
                      'group',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='tunnels',
                          to='vpn.tunnelgroup',
                      ),
                  ),
                  ('encapsulation', models.CharField(max_length=50)),
                  ('tunnel_id', models.PositiveBigIntegerField(blank=True, null=True)),
                  (
                      'ipsec_profile',
                      models.ForeignKey(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='tunnels',
                          to='vpn.ipsecprofile',
                      ),
                  ),
                  ('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='tunnels',
                          to='tenancy.tenant',
                      ),
                  ),
              ],
              options={
                  'verbose_name': 'tunnel',
                  'verbose_name_plural': 'tunnels',
                  'ordering': ('name',),
              },
          ),
          migrations.AddConstraint(
              model_name='tunnel',
              constraint=models.UniqueConstraint(fields=('group', 'name'), name='vpn_tunnel_group_name'),
          ),
          migrations.AddConstraint(
              model_name='tunnel',
              constraint=models.UniqueConstraint(
                  condition=models.Q(('group__isnull', True)), fields=('name',), name='vpn_tunnel_name'
              ),
          ),
          migrations.CreateModel(
              name='TunnelTermination',
              fields=[
                  ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
                  ('created', models.DateTimeField(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),
                  ),
                  ('role', models.CharField(default='peer', max_length=50)),
                  ('termination_id', models.PositiveBigIntegerField(blank=True, null=True)),
                  (
                      'termination_type',
                      models.ForeignKey(
                          on_delete=django.db.models.deletion.PROTECT, related_name='+', to='contenttypes.contenttype'
                      ),
                  ),
                  (
                      'outside_ip',
                      models.OneToOneField(
                          blank=True,
                          null=True,
                          on_delete=django.db.models.deletion.PROTECT,
                          related_name='tunnel_termination',
                          to='ipam.ipaddress',
                      ),
                  ),
                  ('tags', taggit.managers.TaggableManager(through='extras.TaggedItem', to='extras.Tag')),
                  (
                      'tunnel',
                      models.ForeignKey(
                          on_delete=django.db.models.deletion.CASCADE, related_name='terminations', to='vpn.tunnel'
                      ),
                  ),
              ],
              options={
                  'verbose_name': 'tunnel termination',
                  'verbose_name_plural': 'tunnel terminations',
                  'ordering': ('tunnel', 'role', 'pk'),
              },
          ),
          migrations.AddIndex(
              model_name='tunneltermination',
              index=models.Index(fields=['termination_type', 'termination_id'], name='vpn_tunnelt_termina_c1f04b_idx'),
          ),
          migrations.AddConstraint(
              model_name='tunneltermination',
              constraint=models.UniqueConstraint(
                  fields=('termination_type', 'termination_id'),
                  name='vpn_tunneltermination_termination',
                  violation_error_message='An object may be terminated to only one tunnel at a time.',
              ),
          ),
      ]
  