def _upgrade_timer(self):
lock = DocumentLock('wstore_resource', self._to_downgrade.pk, 'asset')
lock.wait_document()
# Refresh asset info
asset = Resource.objects.get(pk=self._to_downgrade.pk)
# If the asset is in upgrading state when the timer ends, rollback is called
if asset.state == 'upgrading':
downgrade_asset(asset)
lock.unlock_document()
def rollback_method(asset):
if asset.product_id == product_spec['id'] and asset.state == 'upgrading':
downgrade_asset(asset)