Comment 7 for bug 1471859

Fixed:

MIRROR_UBUNTU_ROOT= \
MIRROR_UBUNTU=ua.archive.ubuntu.com \
MIRROR_MOS_UBUNTU=mirror.fuel-infra.org \
make show-ubuntu-sandbox-repos

/bin/echo -e "${apt_source_content}"
#Upstream Ubuntu mirrors
deb http://ua.archive.ubuntu.com trusty main universe multiverse restricted
deb http://ua.archive.ubuntu.com trusty-updates main universe multiverse restricted
deb http://ua.archive.ubuntu.com trusty-security main universe multiverse restricted
# MOS repos
deb http://mirror.fuel-infra.org/mos-repos/ubuntu/7.0 mos7.0 main restricted
deb http://mirror.fuel-infra.org/mos-repos/ubuntu/7.0 mos7.0-security main restricted
deb http://mirror.fuel-infra.org/mos-repos/ubuntu/7.0 mos7.0-proposed main restricted
deb http://mirror.fuel-infra.org/mos-repos/ubuntu/7.0 mos7.0-updates main restricted
deb http://mirror.fuel-infra.org/mos-repos/ubuntu/7.0 mos7.0-holdback main restricted

#Extra repositories

/bin/echo -e "${apt_pinning_content}"
# Apt repo @ obs-1 has Codename=trusty (which is OK)
# However the one @ mirror.fuel-infra has Codename=mos6.1
Package: *
Pin: release o=Mirantis, n=trusty
Pin-Priority: 1101

Package: *
Pin: release o=Mirantis, n=mos7.0
Pin-Priority: 1101

# to install packages from unmerged fuel-infra requests
Package: *
Pin: release l=trusty-fuel-7.0-stable*
Pin-Priority: 1101

Package: *
Pin: release o=Open Build Service trusty-fuel-7.0-stable*
Pin-Priority: 1101