Openstack - Manually edit VM

Find the host the VM is running on and the instance ID(Use console view to get instance ID)

1cp /etc/libvirt/qemu/instance-0000030a.xml .

edit instance-0000030a.xml to be what you need it to be

While the VM is running (Warning, will crash the VM)

1virsh destroy instance-0000030a
2virsh undefine instance-0000030a
3virsh define instance-0000030a.xml
4virsh start instance-0000030a