+# inspired from https://gist.github.com/1142202
+ETC=/etc/systemd/system
+LIB=/lib/systemd/system
+function patch_lvref () {
+ # this applies to systemd only
+ [ -d $rootfs/$LIB ] || return
+ rootfs=$1; shift
+ # sliceimage comes with graphical.target as default
+ chroot $rootfs ln -sf $LIB/multi-user.target $ETC/default.target
+ # sysinit.target seems to stick on boot, so disable it. However, we need
+ # systemd-tmpfiles-setup.service that was started by the dependency of
+ # sysinit.target to boot up correctly, so start it instead.
+ chroot $rootfs cp $LIB/basic.target $ETC/basic.target
+ chroot $rootfs sed -i 's/sysinit.target/systemd-tmpfiles-setup.service/' $ETC/basic.target
+ # Stop starting sysinit.target. Symlinking one to /dev/null is a standard way
+ # to disable a target (or a service and others).
+ chroot $rootfs ln -s /dev/null $ETC/sysinit.target
+ # It also a cause of stuck on boot
+ chroot $rootfs ln -s /dev/null $ETC/udev-settle.service
+ # It prevents systemd-tmpfiles-setup.service from starting
+ chroot $rootfs ln -s /dev/null $ETC/fedora-readonly.service
+ # Libvirt lxc provides only tty1
+ chroot $rootfs rm -f $ETC/getty.target.wants/getty\@tty{2,3,4,5,6}.service
+ # It launches sulogin on console(tty1) but it interferes getty@tty1
+ chroot $rootfs ln -s /dev/null $ETC/console-shell.service
+ # Workarounds for libvirt 0.9.4. Without this, getty@tty1 doen't launch
+ # because a trigger event on tty1 doesn't happen.
+ chroot $rootfs cp $LIB/getty\@.service $ETC/getty\@.service
+ chroot $rootfs sed -i 's/^BindTo/\#&/' $ETC/getty\@.service
+ chroot $rootfs ln -sf $ETC/getty\@.service $ETC/getty.target.wants/getty\@tty1.service
+ # Allow a user who logins via ssh to sudo
+ chroot $rootfs sed -i 's/^Defaults\ *requiretty/\#&/' /etc/sudoers
+ # Allow to login at virsh console. loginuid.so doen't work in the absence of auditd
+ # which cannot run inside a container.
+ chroot $rootfs sed -i 's/^.*loginuid.so.*$/\#&/' /etc/pam.d/login
+ # Enable eth0 on bootup
+ cat <<EOF > $rootfs/etc/sysconfig/network-scripts/ifcfg-eth0
+DEVICE=eth0
+BOOTPROTO=dhcp
+ONBOOT=yes
+EOF
+ # Tweak sshd configuration
+ chroot $rootfs sed -i 's/^UsePAM\ *yes/\#&/' /etc/ssh/sshd_config
+ chroot $rootfs sed -i 's/^GSSAPIAuthentication\ *yes/\#&/' /etc/ssh/sshd_config
+ chroot $rootfs sed -i 's/^PasswordAuthentication\ *yes/\#&/' /etc/ssh/sshd_config
+ # Allow root to login at virsh console
+ echo "pts/0" >> $rootfs/etc/securetty
+ # our image does not have NetworkManager, only network, and it is off by default
+ chroot $rootfs chkconfig network on
+}
+