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111 lines
3.9 KiB
Python
111 lines
3.9 KiB
Python
from django.db import migrations
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from extras.choices import CustomFieldTypeChoices
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def deserialize_value(field, value):
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"""
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Convert serialized values to JSON equivalents.
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"""
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if field.type in (CustomFieldTypeChoices.TYPE_INTEGER):
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return int(value)
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if field.type == CustomFieldTypeChoices.TYPE_BOOLEAN:
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return bool(int(value))
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if field.type == CustomFieldTypeChoices.TYPE_SELECT:
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return field._choices.get(pk=int(value)).value
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return value
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def migrate_customfield_defaults(apps, schema_editor):
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"""
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Copy old serialized defaults to native JSON types.
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"""
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CustomField = apps.get_model('extras', 'CustomField')
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for customfield in CustomField.objects.exclude(default=''):
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try:
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if customfield.type == CustomFieldTypeChoices.TYPE_INTEGER:
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value = int(customfield.default)
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elif customfield.type == CustomFieldTypeChoices.TYPE_BOOLEAN:
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value = customfield.default in ['true', 'yes', '1']
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else:
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value = customfield.default
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except ValueError:
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raise ValueError(
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f'Invalid default value "{customfield.default}" found for {customfield.type} '
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f'custom field {customfield.name}'
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)
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CustomField.objects.filter(pk=customfield.pk).update(default2=value)
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def migrate_customfieldchoices(apps, schema_editor):
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"""
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Collect all CustomFieldChoices for each applicable CustomField, and save them locally as an array on
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the CustomField instance.
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"""
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CustomField = apps.get_model('extras', 'CustomField')
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CustomFieldChoice = apps.get_model('extras', 'CustomFieldChoice')
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for cf in CustomField.objects.filter(type='select'):
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cf.choices = [
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cfc.value for cfc in CustomFieldChoice.objects.filter(field=cf).order_by('weight', 'value')
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]
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cf.save()
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def migrate_customfieldvalues(apps, schema_editor):
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"""
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Copy data from CustomFieldValues into the custom_field_data JSON field on each model instance.
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"""
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CustomFieldValue = apps.get_model('extras', 'CustomFieldValue')
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for cfv in CustomFieldValue.objects.prefetch_related('field').exclude(serialized_value=''):
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model = apps.get_model(cfv.obj_type.app_label, cfv.obj_type.model)
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# Read and update custom field value for each instance
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# TODO: This can be done more efficiently once .update() is supported for JSON fields
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cf_data = model.objects.filter(pk=cfv.obj_id).values('custom_field_data').first()
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try:
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cf_data['custom_field_data'][cfv.field.name] = deserialize_value(cfv.field, cfv.serialized_value)
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except Exception as e:
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print(f'{cfv.field.name} ({cfv.field.type}): {cfv.serialized_value} ({cfv.pk})')
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raise e
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model.objects.filter(pk=cfv.obj_id).update(**cf_data)
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def fix_filter_logic_values(apps, schema_editor):
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"""
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Fix invalid values for CustomField.filter_logic (see #5376)
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"""
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CustomField = apps.get_model('extras', 'CustomField')
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CustomField.objects.filter(filter_logic="integer").update(filter_logic="loose")
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class Migration(migrations.Migration):
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dependencies = [
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('circuits', '0020_custom_field_data'),
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('dcim', '0117_custom_field_data'),
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('extras', '0050_customfield_changes'),
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('ipam', '0038_custom_field_data'),
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('secrets', '0010_custom_field_data'),
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('tenancy', '0010_custom_field_data'),
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('virtualization', '0018_custom_field_data'),
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]
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operations = [
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migrations.RunPython(
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code=migrate_customfield_defaults
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),
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migrations.RunPython(
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code=migrate_customfieldchoices
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),
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migrations.RunPython(
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code=migrate_customfieldvalues
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),
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migrations.RunPython(
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code=fix_filter_logic_values
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),
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]
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