# description: Create BTRFS subvolumes for LXC reference images.
#
+# not needed -- Source function library
+#. /etc/init.d/functions
-case "$1" in
- start|restart|reload)
- ;;
- force)
- FORCE=true;;
- stop|status)
- exit 0
- ;;
- *)
- echo $"Usage: $0 {start|stop|restart|reload|status|force}"
- exit 1
- ;;
-esac
+# This is where sliceimage(s) store their reference images
+sliceimage_dir=/vservers/.vref
+lxc_dir=/vservers/.lvref
# Check if we are in the build environment
-mount | grep -q 'planetlab-vservers' || exit 0
+function check_node () {
+ mount | grep -q 'planetlab-vservers' || exit 0
+ [ -d $sliceimage_dir ] || { echo "No sliceimage installed" ; exit 1; }
+}
-# Source function library
-. /etc/init.d/functions
+function start () {
-# xxx get version some other way
-# might just want to scan /vservers/.vref instead
-# upgrades (from the real image to the .lvref area) might be challenging
-# xxx
+ check_node
+
+ mkdir -p $lxc_dir
-sliceimage_dir=/vservers/.vref
+ slicefamilies=$(cd $sliceimage_dir ; ls )
+
+ for slicefamily in $slicefamilies; do
+ # initialize if needed
+ [ -d $lxc_dir/$slicefamily ] || btrfs subvolume create $lxc_dir/$slicefamily
+ # xxx what is that ?
+ #btrfs subvolume create $lxc_dir/lxc-squeeze-x86_64
+ # copy the slice image into the btrfs ?
+ rsync -av --delete $sliceimage_dir/$slicefamily/ $lxc_dir/$slicefamily/
+ # tmp -- should very probably be done at build time
+ patch_lvref $lxc_dir/$slicefamily
+ done
+}
+
+function status () {
+ echo -n "Checking node .. "
+ check_node
+ echo OK
+ echo "From installed sliceimage variants"
+ ls $sliceimage_dir
+ echo "Exported to lxc"
+ ls $lxc_dir
+}
+
+# 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
+}
+
+case "$1" in
+ start|restart|reload) start ; exit 0 ;;
+ status) status ; exit 0 ;;
+ stop) exit 0 ;;
+ *) echo $"Usage: $0 {start|stop|status}"
+ exit 1
+ ;;
+esac
-[ -d $sliceimage_dir ] || exit 0
-
-sliceimages=$(cd $sliceimage_dir ; ls )
-
-for sliceimage in $sliceimages; do
- mkdir -p /vservers/.lvref
- [ -d /vservers/.lvref/$sliceimage ] && continue
- btrfs subvolume create /vservers/.lvref/$sliceimage
-# what is that ?
-# btrfs subvolume create /vservers/.lvref/lxc-squeeze-x86_64
- # copy the slice image into the btrfs ?
- tar -C $sliceimage_dir -cf - $sliceimage | tar -C /vservers/.lvref -xf -
-# we need a smarter way to handle upgrades
-# the original code trashed the ref image that came with an rpm
-# rm -rf /vservers/lxc-reference-${VERSION}.tgz
-# this would probably cause the image to be re-created upon yum update
-# or prevent updates to make it to the node ?
-# rm -rf $sliceimage_dir/$sliceimage
-fi
-
-exit 0
git://git.onelab.eu / vserver-reference.git / blobdiff