iPXE to use Swift Temporary URLs
iPXE to use Swift Temporary URLs

This blueprint adds support for generating Swift temporary URLs for the
deploy and image's ramdisk(s) and kernel(s) when booting with iPXE.

This blueprint depends on the blueprint ipxe-dymic-config that makes
the iPXE configuration files to be dynamically generated.

Change-Id: Ibae6e6401fa0458b8ecc74b47a213d587f4974a5

NaohiroTamura/ironic-specs,bcornec/ironic-specs,openstack/ironic-specs,naterh/ironic-specs