def instance_get_all_by_host(context, host, columns_to_join=None):
    return IMPL.instance_get_all_by_host(context, host, columns_to_join)
Get all instances belonging to a host.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/db/api.py/instance_get_all_by_host