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Add safegaurd for legacy data to migration

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This commit is contained in:
jeremystretch 2022-09-27 10:13:31 -04:00
parent 9c98bd3d57
commit 827fa76d61
2 changed files with 59 additions and 29 deletions
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59
netbox/circuits/migrations/0039_provider_remove_deprecated_fields.py Normal file
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@ -0,0 +1,59 @@
import os
from django.db import migrations
from django.db.utils import DataError
def check_legacy_data(apps, schema_editor):
"""
Abort the migration if any legacy provider fields still contain data.
"""
Provider = apps.get_model('circuits', 'Provider')
provider_count = Provider.objects.exclude(asn__isnull=True).count()
if provider_count and 'NETBOX_DELETE_LEGACY_DATA' not in os.environ:
raise DataError(
f"Unable to proceed with deleting asn field from Provider model: Found {provider_count} "
f"providers with legacy ASN data. Please ensure all legacy provider ASN data has been "
f"migrated to ASN objects before proceeding. Or, set the NETBOX_DELETE_LEGACY_DATA "
f"environment variable to bypass this safeguard and delete all legacy provider ASN data."
)
provider_count = Provider.objects.exclude(admin_contact='', noc_contact='', portal_url='').count()
if provider_count and 'NETBOX_DELETE_LEGACY_DATA' not in os.environ:
raise DataError(
f"Unable to proceed with deleting contact fields from Provider model: Found {provider_count} "
f"providers with legacy contact data. Please ensure all legacy provider contact data has been "
f"migrated to contact objects before proceeding. Or, set the NETBOX_DELETE_LEGACY_DATA "
f"environment variable to bypass this safeguard and delete all legacy provider contact data."
)
class Migration(migrations.Migration):
dependencies = [
('circuits', '0038_cabling_cleanup'),
]
operations = [
migrations.RunPython(
code=check_legacy_data,
reverse_code=migrations.RunPython.noop
),
migrations.RemoveField(
model_name='provider',
name='admin_contact',
),
migrations.RemoveField(
model_name='provider',
name='asn',
),
migrations.RemoveField(
model_name='provider',
name='noc_contact',
),
migrations.RemoveField(
model_name='provider',
name='portal_url',
),
]

29
netbox/circuits/migrations/0039_remove_provider_admin_contact_remove_provider_asn_and_more.py
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@ -1,29 +0,0 @@
# Generated by Django 4.0.7 on 2022-09-15 17:20
from django.db import migrations
class Migration(migrations.Migration):
dependencies = [
('circuits', '0038_cabling_cleanup'),
]
operations = [
migrations.RemoveField(
model_name='provider',
name='admin_contact',
),
migrations.RemoveField(
model_name='provider',
name='asn',
),
migrations.RemoveField(
model_name='provider',
name='noc_contact',
),
migrations.RemoveField(
model_name='provider',
name='portal_url',
),
]