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20e3fdc782
* #9045 - remove legacy fields from Provider * Add safegaurd for legacy data to migration * 9045 remove fields from forms and tables * Update unrelated tests to use ASN model instead of Provider * Fix migrations collision Co-authored-by: jeremystretch <jstretch@ns1.com>
60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
import os
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from django.db import migrations
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from django.db.utils import DataError
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def check_legacy_data(apps, schema_editor):
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"""
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Abort the migration if any legacy provider fields still contain data.
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"""
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Provider = apps.get_model('circuits', 'Provider')
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provider_count = Provider.objects.exclude(asn__isnull=True).count()
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if provider_count and 'NETBOX_DELETE_LEGACY_DATA' not in os.environ:
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raise DataError(
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f"Unable to proceed with deleting asn field from Provider model: Found {provider_count} "
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f"providers with legacy ASN data. Please ensure all legacy provider ASN data has been "
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f"migrated to ASN objects before proceeding. Or, set the NETBOX_DELETE_LEGACY_DATA "
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f"environment variable to bypass this safeguard and delete all legacy provider ASN data."
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)
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provider_count = Provider.objects.exclude(admin_contact='', noc_contact='', portal_url='').count()
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if provider_count and 'NETBOX_DELETE_LEGACY_DATA' not in os.environ:
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raise DataError(
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f"Unable to proceed with deleting contact fields from Provider model: Found {provider_count} "
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f"providers with legacy contact data. Please ensure all legacy provider contact data has been "
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f"migrated to contact objects before proceeding. Or, set the NETBOX_DELETE_LEGACY_DATA "
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f"environment variable to bypass this safeguard and delete all legacy provider contact data."
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)
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class Migration(migrations.Migration):
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dependencies = [
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('circuits', '0039_unique_constraints'),
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]
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operations = [
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migrations.RunPython(
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code=check_legacy_data,
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reverse_code=migrations.RunPython.noop
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),
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migrations.RemoveField(
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model_name='provider',
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name='admin_contact',
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),
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migrations.RemoveField(
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model_name='provider',
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name='asn',
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),
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migrations.RemoveField(
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model_name='provider',
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name='noc_contact',
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),
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migrations.RemoveField(
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model_name='provider',
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name='portal_url',
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),
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]
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