yum install python3 yum -y install qemu-img kpartx yum -y install python3-pip
git clone https://git.openstack.org/openstack/diskimage-builder
cd diskimage-builder python3 setup.py install 或者 pip3 install . -i https://pypi.tuna.tsinghua.edu.cn/simple/
pip3 install diskimage-builder -i https://mirrors.aliyun.com/pypi/simple/
env DIB_DEBUG_TRACE=3 DIB_RELEASE=7 disk-image-create ironic-agent centos -o ironic-deploy -a x86_64 --logfile ./centos7-os_v6.log
原文：https://www.cnblogs.com/dream397/p/13186916.html