[mkimage-centos-7-base]
baseurl=http://mirror.centos.org/centos/7/os/$basearch/
proxy=http://spunk.home.kraxel.org:3128

[mkimage-centos-7-updates]
baseurl=http://mirror.centos.org/centos/7/updates/$basearch/
proxy=http://spunk.home.kraxel.org:3128