This changeset contains the changes required to build the OpenStack
Newton cluster on Ubuntu 16.04 LTS:
- config/scripts.ubuntu_pxecluster: Newton update for PXE cluster
- New preseed-ssh-v5.cfg: pass the target device to grub
- Use new preseed file in create_xxx_node_pxeboot.sh
- install_pxeserver.sh, create_xxx_node_pxeboot.sh: use infrastructure
introduced with Change-Id Id2cd684152911289821b165daf6b8fc002f42f2d
to dynamically detect network interfaces (needed for Ubuntu 16.04 LTS)
Change-Id: Iae9f99440341b9ce541f77e970ca82838d2d1a5c
cf5ab16a2e