Adding systemd script for lxc support (Closes: #604631).

diff --git a/scripts/debconfig/0041-systemd b/scripts/debconfig/0041-systemd
new file mode 100755 (executable)
index 0000000..2875fa0
--- /dev/null
+++ b/scripts/debconfig/0041-systemd
@@ -0,0 +1,136 @@
+#!/bin/sh
+
+## live-debconfig(7) - System Configuration Scripts
+## Copyright (C) 2006-2013 Daniel Baumann <daniel@debian.org>
+##
+## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
+## This is free software, and you are welcome to redistribute it
+## under certain conditions; see COPYING for details.
+
+
+set -e
+
+DEBCONF_SYSTEMRC="/var/lib/live/debconfig/systemrc"
+export DEBCONF_SYSTEMRC
+
+. /usr/share/debconf/confmodule
+
+if [ ! -e /lib/systemd/systemd ]
+then
+       # System does not use systemd
+       exit 0
+fi
+
+Defaults ()
+{
+       _LXC_ENABLE="${_LXC_ENABLE:-false}"
+       _LXC_CONSOLES="${_LXC_CONSOLES:-6}"
+}
+
+db_get live-debconfig/systemd/lxc-enable
+_LXC_ENABLE="${RET}" # boolean
+
+db_get live-debconfig/systemd/lxc-consoles
+_LXC_CONSOLES="${RET}" # string (w/o empty)
+
+Defaults
+
+db_set live-debconfig/systemd/lxc-enable "${_LXC_ENABLE}"
+db_fset live-debconfig/systemd/lxc-enable seen false
+
+db_set live-debconfig/systemd/lxc-consoles "${_LXC_CONSOLES}"
+db_fset live-debconfig/systemd/lxc-consoles seen false
+
+db_settitle live-debconfig/title
+db_input high live-debconfig/systemd/lxc-enable || true
+db_go
+
+db_get live-debconfig/systemd/lxc-enable
+_LXC_ENABLE="${RET}" # boolean
+
+case "${_LXC_ENABLE}" in
+       true)
+               db_settitle live-debconfig/title
+               db_input high live-debconfig/systemd/lxc-consoles || true
+               db_go
+
+               db_get live-debconfig/systemd/lxc-consoles
+               _LXC_CONSOLES="${RET}" # string (w/o empty)
+
+               Defaults
+               ;;
+
+       false)
+
+               ;;
+esac
+
+db_stop
+
+case "${_LXC_ENABLE}" in
+       true)
+               # Disable sulogin
+               ln -sf /dev/null /etc/systemd/system/console-shell.service
+
+               # Disable ctrlaltdel
+               ln -sf /dev/null /etc/systemd/system/ctrl-alt-del.target
+
+               # Disable normal getty
+               rm -f /etc/systemd/system/getty.target.wants/getty@*.service
+
+               # Enable container getty
+               sed -e 's|^ *BindTo=|#BindTo=|' /lib/systemd/system/getty@.service > /etc/systemd/system/getty.target.wants/getty@console.service
+
+               for _CONSOLE in $(seq 1 ${_LXC_CONSOLES})
+               do
+                       sed -e 's|^ *BindTo=|#BindTo=|' /lib/systemd/system/getty@.service > /etc/systemd/system/getty.target.wants/getty@tty${_CONSOLE}.service
+               done
+
+               # Enable powerfail for lxc-shutdown
+               ln -sf /lib/systemd/system/reboot.target /etc/systemd/system/sigpwr.target
+
+               # Disable default cpu and cpupacct
+               grep -Eq '^ *JoinControllers=' /etc/systemd/system.conf || echo "JoinControllers=" >> /etc/systemd/system.conf
+
+               sed -e 's|^ *JoinControllers=.*|JoinControllers=|' /etc/systemd/system.conf > /etc/systemd/system.conf.tmp
+               mv /etc/systemd/system.conf.tmp /etc/systemd/system.conf
+
+               # squeeze and newer only has /dev/tty and /dev/tty0 by default,
+               # therefore creating missing device nodes for tty1-4.
+               for _CONSOLE in $(seq 1 ${_LXC_CONSOLES})
+               do
+                       if [ ! -e "/dev/tty${_CONSOLE}" ]
+                       then
+                               mknod "/dev/tty${_CONSOLE}" c 4 "${_CONSOLE}"
+                       fi
+               done
+
+               # FIXME
+               systemctl disable systemd-journald.service
+               systemctl disable systemd-update-utmp-runlevel.service
+               ;;
+
+       false)
+               # Reenable sulogin
+               if [ -L /etc/systemd/system/console-shell.service ] && [ "$(readlink /etc/systemd/system/console-shell.service)" = "/dev/null" ]
+               then
+                       rm -f /etc/systemd/system/console-shell.service
+               fi
+
+               # Reenable ctrlaltdel
+               if [ -L /etc/systemd/system/ctrl-alt-del.target ] && [ "$(readlink /etc/systemd/system/ctrl-alt-del.target)" = "/dev/null" ]
+               then
+                       rm -f /etc/systemd/system/ctrl-alt-del.target
+               fi
+
+               # Reenable normal getty
+               rm -f /etc/systemd/system/getty.target.wants/getty@*.service
+               ln -sf /lib/systemd/system/getty@.service /etc/systemd/system/getty.target.wants/getty@tty1.service
+
+               # Reenable powerfail for lxc-shutdown
+               if [ -L /etc/systemd/system/sigpwr.target ] && [ "$(readlink /etc/systemd/system/sigpwr.target)" = "/lib/systemd/system/reboot.target" ]
+               then
+                       rm -f /etc/systemd/system/sigpwr.target
+               fi
+               ;;
+esac

diff --git a/scripts/debconfig/0041-systemd.templates b/scripts/debconfig/0041-systemd.templates
new file mode 100644 (file)
index 0000000..4656eb6
--- /dev/null
+++ b/scripts/debconfig/0041-systemd.templates
@@ -0,0 +1,19 @@
+Template: live-debconfig/title
+Type: title
+Description: live-debconfig: System Configuration
+
+Template: live-debconfig/systemd/lxc-enable
+Type: boolean
+Default:
+Description: live-debconfig: Enable LXC?
+ Should Linux Container (LXC) support  be enabled?
+ .
+ This defaults to false.
+
+Template: live-debconfig/systemd/lxc-consoles
+Type: string
+Default:
+Description: live-debconfig: How many consoles for LXC?
+ How many concurrent consoles should the current container provide?
+ .
+ This defaults to 6 and will result in six getty processes per container.