cdimage@nusakan:~$ grep azure /srv/cdimage.ubuntu.com/log/ubuntu-core/wily/daily-preinstalled-20150617.4.log 
2015-06-17 20:50:58 URL:https://launchpadlibrarian.net/209366564/livecd.ubuntu-core.azure.device.tar.gz [147294112/147294112] -> "/srv/cdimage.ubuntu.com/scratch/ubuntu-core/wily/daily-preinstalled/live/amd64.azure.device.tar.gz" [1]