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|
#!/bin/sh -e
# this script is run either chrooted on the server, or by a client with write
# access to the NFS mount point. (much of this code was originally in
# server/ltsp-update-kernels). --vagrant 20060801
if [ -f /etc/ltsp/update-kernels.conf ]; then
. /etc/ltsp/update-kernels.conf
fi
BOOT=${BOOT:-"/boot"}
SUB_ARCH=${SUB_ARCH:-"$(uname -m)"}
VENDOR=${VENDOR:-"$(lsb_release -i -s)"}
case $0 in
/etc/kernel/post*.d*) QUIET=true
esac
msg() {
if [ "$QUIET" != "true" ]; then
echo $@
fi
}
if [ -z "$CHROOT_NAME" ]; then
# FIXME: replace with a common function
CHROOT_NAME="$(dpkg --print-installation-architecture)"
fi
if [ -z "$BOOTPROMPT_OPTS" ]; then
if [ "$VENDOR" = "Ubuntu" ]; then
BOOTPROMPT_OPTS="quiet splash"
else
BOOTPROMPT_OPTS="root=/dev/nfs ip=dhcp"
fi
fi
if [ -f /usr/lib/yaboot/yaboot ]; then
cp -a -v /usr/lib/yaboot/yaboot $BOOT
cat > $BOOT/yaboot.conf <<EOF
timeout=0
default=ltsp
root=/dev/ram
image=/ltsp/$CHROOT_NAME/vmlinux
label=ltsp
initrd=/ltsp/$CHROOT_NAME/initrd.img
append="$BOOTPROMPT_OPTS"
EOF
else
msg "Skipping yaboot configuration. install yaboot package if you need it."
fi
if [ -f /usr/lib/syslinux/pxelinux.0 ]; then
PXECFG=$BOOT/pxelinux.cfg
cp /usr/lib/syslinux/pxelinux.0 $BOOT
if [ ! -d $PXECFG ]; then
mkdir $PXECFG
fi
if [ -z "$PXELINUX_CMDLINE" ]; then
PXELINUX_CMDLINE="DEFAULT vmlinuz ro initrd=initrd.img $BOOTPROMPT_OPTS"
fi
cat > $PXECFG/default <<EOF
$PXELINUX_CMDLINE
EOF
else
msg "Skipping PXE configuration. Install the syslinux package if you need it."
fi
# allow specifying a specific kernel image to update, from kernel postinst
if [ -f "$2" ]; then
ALL_KERNELS="$2"
else
ALL_KERNELS="$(find $BOOT -type f -name 'vmlinu*')"
fi
# look for symlinks, too, and put them after the "real" kernels
ALL_KERNELS="$ALL_KERNELS $(find $BOOT -type l -name 'vmlinu*')"
for kernel in $ALL_KERNELS ; do
basename=$(basename "$kernel")
initrd=initrd.img
nbi=nbi.img
case $basename in
vmlinuz|vmlinux)
# USE DEFAULT
;;
vmlinu*.old)
initrd=$initrd.old
nbi=$nbi.old
;;
vmlinuz*)
version=${basename##vmlinuz-}
initrd=$initrd-$version
nbi=$nbi-$version
;;
vmlinux*)
version=${basename##vmlinux-}
initrd=$initrd-$version
nbi=$nbi-$version
;;
esac
if [ -L "$kernel" ]; then
basename="$(readlink $kernel)"
if [ -f "$BOOT/$basename" ]; then
case $basename in
vmlinuz*)
version=${basename##vmlinuz-}
;;
vmlinux*)
version=${basename##vmlinux-}
;;
esac
case $SUB_ARCH in
sparc*)
realnbi="nbi.img-$version-$SUB_ARCH"
;;
*)
realnbi="nbi.img-$version"
;;
esac
if [ -f "$BOOT/$realnbi" ]; then
ln -sf $realnbi $BOOT/$nbi
fi
fi
else
if which mkelf-linux >/dev/null; then
if [ -z "$MKELF_LINUX_OPTS" ]; then
MKELF_LINUX_OPTS="--ip=dhcp"
fi
if [ -f "$BOOT/$initrd" ]; then
mkelf-linux $MKELF_LINUX_OPTS -o $BOOT/$nbi $kernel $BOOT/$initrd
else
mkelf-linux $MKELF_LINUX_OPTS -o $BOOT/$nbi $kernel
fi
else
if [ -z "$mkelf_seen" ]; then
msg "Skipping etherboot images. Install the mknbi package if you need them."
mkfelf_seen=true
fi
fi
if which netabootwrap >/dev/null; then
if [ -f "$BOOT/$initrd" ]; then
netabootwrap -t $BOOT/$nbi -k $kernel -i $BOOT/$initrd
else
netabootwrap -t $BOOT/$nbi -k $kernel
fi
else
if [ -z "$netabootwrap_seen" ]; then
msg "Skipping netabootwrap images. Install the aboot package if you need them."
netabootwrap_seen=true
fi
fi
if which elftoaout >/dev/null ; then
piggyback_cmd=""
case $SUB_ARCH in
sparc64) piggyback_cmd=piggyback64 ;;
sparc32) piggyback_cmd=piggyback32 ;;
esac
sysmap=$BOOT/System.map-$version
nbi=$nbi-$SUB_ARCH
# TODO: proper tempfile handline
gzip -cd $kernel > $nbi.tmp
elftoaout -o $nbi $nbi.tmp
if [ -f "$BOOT/$initrd" ]; then
$piggyback_cmd $BOOT/$nbi $sysmap $BOOT/$initrd
else
$piggyback_cmd $BOOT/$nbi $sysmap
fi
else
if [ -z "$sparc_piggyback_seen" ]; then
msg "Skipping sparc piggyback images. Install the sparc-utils package if you need them."
sparc_piggyback_seen=true
fi
fi
fi
done
|
