Files
netbox/netbox/virtualization/migrations/0045_clusters_cached_relations.py
Arthur Hanson b853a6a6df 7699 Add Scope to Cluster (#17848)
* 7699 Add Scope to Cluster

* 7699 Serializer

* 7699 filterset

* 7699 bulk_edit

* 7699 bulk_import

* 7699 model_form

* 7699 graphql, tables

* 7699 fixes

* 7699 fixes

* 7699 fixes

* 7699 fixes

* 7699 fix tests

* 7699 fix graphql tests for clusters reference

* 7699 fix dcim tests

* 7699 fix ipam tests

* 7699 fix tests

* 7699 use mixin for model

* 7699 change mixin name

* 7699 scope form

* 7699 scope form

* 7699 scoped form, fitlerset

* 7699 review changes

* 7699 move ScopedFilterset

* 7699 move CachedScopeMixin

* 7699 review changes

* 7699 review changes

* 7699 refactor mixins

* 7699 _sitegroup -> _site_group

* 7699 update docstring

* Misc cleanup

* Update migrations

---------

Co-authored-by: Jeremy Stretch <jstretch@netboxlabs.com>
2024-11-01 14:18:23 -04:00

95 lines
2.9 KiB
Python

import django.db.models.deletion
from django.db import migrations, models
def populate_denormalized_fields(apps, schema_editor):
"""
Copy the denormalized fields for _region, _site_group and _site from existing site field.
"""
Cluster = apps.get_model('virtualization', 'Cluster')
clusters = Cluster.objects.filter(site__isnull=False).prefetch_related('site')
for cluster in clusters:
cluster._region_id = cluster.site.region_id
cluster._site_group_id = cluster.site.group_id
cluster._site_id = cluster.site_id
# Note: Location cannot be set prior to migration
Cluster.objects.bulk_update(clusters, ['_region', '_site_group', '_site'])
class Migration(migrations.Migration):
dependencies = [
('virtualization', '0044_cluster_scope'),
]
operations = [
migrations.AddField(
model_name='cluster',
name='_location',
field=models.ForeignKey(
blank=True,
null=True,
on_delete=django.db.models.deletion.CASCADE,
related_name='_%(class)ss',
to='dcim.location',
),
),
migrations.AddField(
model_name='cluster',
name='_region',
field=models.ForeignKey(
blank=True,
null=True,
on_delete=django.db.models.deletion.CASCADE,
related_name='_%(class)ss',
to='dcim.region',
),
),
migrations.AddField(
model_name='cluster',
name='_site',
field=models.ForeignKey(
blank=True,
null=True,
on_delete=django.db.models.deletion.CASCADE,
related_name='_%(class)ss',
to='dcim.site',
),
),
migrations.AddField(
model_name='cluster',
name='_site_group',
field=models.ForeignKey(
blank=True,
null=True,
on_delete=django.db.models.deletion.CASCADE,
related_name='_%(class)ss',
to='dcim.sitegroup',
),
),
# Populate denormalized FK values
migrations.RunPython(
code=populate_denormalized_fields,
reverse_code=migrations.RunPython.noop
),
migrations.RemoveConstraint(
model_name='cluster',
name='virtualization_cluster_unique_site_name',
),
# Delete the site ForeignKey
migrations.RemoveField(
model_name='cluster',
name='site',
),
migrations.AddConstraint(
model_name='cluster',
constraint=models.UniqueConstraint(
fields=('_site', 'name'), name='virtualization_cluster_unique__site_name'
),
),
]