def METHOD_NAME(host_id):
    """Return DATABASE_NAME"""
    from physical.models import Host
    try:
        host = Host.objects.get(id=host_id)
        database = host.instances.all()[0].databaseinfra.databases.all()[0]
        return database.name
    except Exception as e:
        LOG.warn("Error on get_database_name. Host id: {} - error: {}".format(
            host_id, e)
        )
        return None