Files
awx/awx/main/migrations/_cleanup_deleted.py
Matthew Jones 5895b3a343 Refactor Notification's naming
Notifier -> NotificationTemplate
notifier -> notification_template
2016-05-05 13:53:46 -04:00

86 lines
3.1 KiB
Python

# Copyright (c) 2016 Ansible, Inc.
# All Rights Reserved.
# Python
import logging
# Django
from django.db import transaction
from django.utils.dateparse import parse_datetime
def cleanup_deleted(apps, schema_editor):
logger = logging.getLogger('awx.main.migrations.cleanup_deleted')
def cleanup_model(model):
'''
Presume the '_deleted_' string to be in the 'name' field unless considering the User model.
When considering the User model, presume the '_d_' string to be in the 'username' field.
'''
logger.debug('cleaning up model %s', model)
name_field = 'name'
name_prefix = '_deleted_'
active_field = None
n_deleted_items = 0
for field in model._meta.fields:
if field.name in ('is_active', 'active'):
active_field = field.name
if field.name == 'is_active': # is User model
name_field = 'username'
name_prefix = '_d_'
if not active_field:
logger.warning('skipping model %s, no active field', model)
return n_deleted_items
qs = model.objects.filter(**{
active_field: False,
'%s__startswith' % name_field: name_prefix,
})
pks_to_delete = set()
for instance in qs.iterator():
dt = parse_datetime(getattr(instance, name_field).split('_')[2])
if not dt:
logger.warning('unable to find deleted timestamp in %s field', name_field)
else:
action_text = 'deleting'
logger.info('%s %s', action_text, instance)
n_deleted_items += 1
instance.delete()
# Cleanup objects in batches instead of deleting each one individually.
if len(pks_to_delete) >= 50:
model.objects.filter(pk__in=pks_to_delete).delete()
pks_to_delete.clear()
if len(pks_to_delete):
model.objects.filter(pk__in=pks_to_delete).delete()
return n_deleted_items
logger = logging.getLogger('awx.main.commands.cleanup_deleted')
handler = logging.StreamHandler()
handler.setFormatter(logging.Formatter('%(message)s'))
logger.addHandler(handler)
logger.propagate = False
with transaction.atomic():
n_deleted_items = 0
models = [
apps.get_model('auth', "User"),
apps.get_model('main', 'Credential'),
apps.get_model('main', 'CustomInventoryScript'),
apps.get_model('main', 'Group'),
apps.get_model('main', 'Host'),
apps.get_model('main', 'Inventory'),
apps.get_model('main', 'NotificationTemplate'),
apps.get_model('main', 'Organization'),
apps.get_model('main', 'Permission'),
apps.get_model('main', 'Schedule'),
apps.get_model('main', 'Team'),
apps.get_model('main', 'UnifiedJob'),
apps.get_model('main', 'UnifiedJobTemplate'),
]
for model in models:
n_deleted_items += cleanup_model(model)
logger.log(99, "Removed %d items", n_deleted_items)