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343a4af591
* Enable E501 rule * Configure ruff formatter * Reformat migration files to fix line length violations * Fix various E501 errors * Move table template code to template_code.py & ignore E501 errors * Reformat raw SQL
89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
import django.db.models.deletion
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from django.db import migrations, models
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def populate_denormalized_fields(apps, schema_editor):
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"""
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Copy the denormalized fields for _region, _site_group and _site from existing site field.
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"""
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Cluster = apps.get_model('virtualization', 'Cluster')
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clusters = Cluster.objects.filter(site__isnull=False).prefetch_related('site')
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for cluster in clusters:
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cluster._region_id = cluster.site.region_id
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cluster._site_group_id = cluster.site.group_id
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cluster._site_id = cluster.site_id
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# Note: Location cannot be set prior to migration
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Cluster.objects.bulk_update(clusters, ['_region', '_site_group', '_site'])
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class Migration(migrations.Migration):
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dependencies = [
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('virtualization', '0044_cluster_scope'),
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]
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operations = [
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migrations.AddField(
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model_name='cluster',
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name='_location',
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field=models.ForeignKey(
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blank=True,
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null=True,
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on_delete=django.db.models.deletion.CASCADE,
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related_name='_%(class)ss',
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to='dcim.location',
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),
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),
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migrations.AddField(
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model_name='cluster',
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name='_region',
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field=models.ForeignKey(
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blank=True,
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null=True,
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on_delete=django.db.models.deletion.CASCADE,
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related_name='_%(class)ss',
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to='dcim.region',
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),
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),
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migrations.AddField(
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model_name='cluster',
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name='_site',
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field=models.ForeignKey(
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blank=True,
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null=True,
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on_delete=django.db.models.deletion.CASCADE,
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related_name='_%(class)ss',
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to='dcim.site',
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),
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),
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migrations.AddField(
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model_name='cluster',
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name='_site_group',
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field=models.ForeignKey(
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blank=True,
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null=True,
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on_delete=django.db.models.deletion.CASCADE,
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related_name='_%(class)ss',
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to='dcim.sitegroup',
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),
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),
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# Populate denormalized FK values
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migrations.RunPython(code=populate_denormalized_fields, reverse_code=migrations.RunPython.noop),
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migrations.RemoveConstraint(
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model_name='cluster',
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name='virtualization_cluster_unique_site_name',
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),
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# Delete the site ForeignKey
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migrations.RemoveField(
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model_name='cluster',
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name='site',
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),
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migrations.AddConstraint(
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model_name='cluster',
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constraint=models.UniqueConstraint(
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fields=('_site', 'name'), name='virtualization_cluster_unique__site_name'
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),
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),
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]
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