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mirror of https://github.com/netbox-community/netbox.git synced 2024-05-10 07:54:54 +00:00
2020-10-07 09:50:12 -04:00

50 lines
1.8 KiB
Python

import sys
from django.db import migrations, models
import django.db.models.deletion
def cache_cable_peers(apps, schema_editor):
ContentType = apps.get_model('contenttypes', 'ContentType')
Cable = apps.get_model('dcim', 'Cable')
CircuitTermination = apps.get_model('circuits', 'CircuitTermination')
if 'test' not in sys.argv:
print(f"\n Updating circuit termination cable peers...", flush=True)
ct = ContentType.objects.get_for_model(CircuitTermination)
for cable in Cable.objects.filter(termination_a_type=ct):
CircuitTermination.objects.filter(pk=cable.termination_a_id).update(
_cable_peer_type_id=cable.termination_b_type_id,
_cable_peer_id=cable.termination_b_id
)
for cable in Cable.objects.filter(termination_b_type=ct):
CircuitTermination.objects.filter(pk=cable.termination_b_id).update(
_cable_peer_type_id=cable.termination_a_type_id,
_cable_peer_id=cable.termination_a_id
)
class Migration(migrations.Migration):
dependencies = [
('contenttypes', '0002_remove_content_type_name'),
('circuits', '0020_custom_field_data'),
]
operations = [
migrations.AddField(
model_name='circuittermination',
name='_cable_peer_id',
field=models.PositiveIntegerField(blank=True, null=True),
),
migrations.AddField(
model_name='circuittermination',
name='_cable_peer_type',
field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='contenttypes.contenttype'),
),
migrations.RunPython(
code=cache_cable_peers,
reverse_code=migrations.RunPython.noop
),
]