def get_chain_before_backup(self, context, backup_id):
try:
backup = bkp_models.DBBackup.find_by(id=backup_id)
except Exception as e:
LOG.error("backup get occur error! backup_id:%s, exception:%s" % (backup_id, e))
return None
if not backup:
LOG.error("backup get occur error! backup_id:%s, exception:%s" % (backup_id, e))
return None
backup_chain = KSC_Backup.get_chain_before_backup(context, backup.id)
LOG.info("id %s, backup_chain: %s" % (backup.id, backup_chain))
return backup_chain
