mirror of
https://github.com/netbox-community/netbox.git
synced 2025-12-18 02:06:22 +00:00
179c06ec20
* Initial work on ObjectChange data migrations * Fix migration bug * Add migrators for MAC address assignments * Update reverting kwarg; allow pop() to fail * Cross-reference MAC address migrators * Split migrator logic across migrations * Add missing migrator
65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
import django.db.models.deletion
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.db import migrations, models
|
|
|
|
|
|
def copy_site_assignments(apps, schema_editor):
|
|
"""
|
|
Copy site ForeignKey values to the scope GFK.
|
|
"""
|
|
ContentType = apps.get_model('contenttypes', 'ContentType')
|
|
Prefix = apps.get_model('ipam', 'Prefix')
|
|
Site = apps.get_model('dcim', 'Site')
|
|
db_alias = schema_editor.connection.alias
|
|
|
|
Prefix.objects.using(db_alias).filter(site__isnull=False).update(
|
|
scope_type=ContentType.objects.get_for_model(Site),
|
|
scope_id=models.F('site_id')
|
|
)
|
|
|
|
|
|
class Migration(migrations.Migration):
|
|
dependencies = [
|
|
('contenttypes', '0002_remove_content_type_name'),
|
|
('ipam', '0070_vlangroup_vlan_id_ranges'),
|
|
]
|
|
|
|
operations = [
|
|
# Add the `scope` GenericForeignKey
|
|
migrations.AddField(
|
|
model_name='prefix',
|
|
name='scope_id',
|
|
field=models.PositiveBigIntegerField(blank=True, null=True),
|
|
),
|
|
migrations.AddField(
|
|
model_name='prefix',
|
|
name='scope_type',
|
|
field=models.ForeignKey(
|
|
blank=True,
|
|
null=True,
|
|
on_delete=django.db.models.deletion.PROTECT,
|
|
related_name='+',
|
|
to='contenttypes.contenttype',
|
|
),
|
|
),
|
|
# Copy over existing site assignments
|
|
migrations.RunPython(code=copy_site_assignments, reverse_code=migrations.RunPython.noop),
|
|
]
|
|
|
|
|
|
def oc_prefix_scope(objectchange, reverting):
|
|
site_ct = ContentType.objects.get_by_natural_key('dcim', 'site').pk
|
|
for data in (objectchange.prechange_data, objectchange.postchange_data):
|
|
if data is None:
|
|
continue
|
|
if site_id := data.get('site'):
|
|
data.update({
|
|
'scope_type': site_ct,
|
|
'scope_id': site_id,
|
|
})
|
|
|
|
|
|
objectchange_migrators = {
|
|
'ipam.prefix': oc_prefix_scope,
|
|
}
|