jumpserver/apps/assets/migrations/0091_auto_20220401_1558.py

41 lines
1.2 KiB
Python

# Generated by Django 3.1.14 on 2022-04-01 07:58
from django.db import migrations, models
import django.db.models.deletion
def migrate_to_host(apps, schema_editor):
asset_model = apps.get_model("assets", "Asset")
host_model = apps.get_model("assets", 'Host')
db_alias = schema_editor.connection.alias
created = 0
batch_size = 1000
while True:
start = created
end = created + batch_size
assets = asset_model.objects.using(db_alias).all()[start:end]
if not assets:
break
hosts = [host_model(asset_ptr=asset) for asset in assets]
host_model.objects.using(db_alias).bulk_create(hosts, ignore_conflicts=True)
created += len(hosts)
class Migration(migrations.Migration):
dependencies = [
('assets', '0090_add_host'),
]
operations = [
migrations.AlterField(
model_name='host',
name='asset_ptr',
field=models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='assets.asset'),
),
migrations.RunPython(migrate_to_host)
]