set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
-
+#set -x
usage() {
cat <<EOF
-Usage: ${0##*/} [OPTION]
+Usage: ${0##*/} [OPTION] [HOST]
If grub var set, act like pxe rom and pxe-kexec to faiserver
-f|--force do kexec if we can reach faiserver
try-kexec() {
deadline=$(( `date +%s` + NETWORK_TIMOUT_SECS ))
- while ! timeout -s 9 3 nc -zu faiserver 69; do
+ while ! timeout -s 9 3 nc -zu $faiserver 69; do
if (( `date +%s` > deadline )); then
echo "fai-check: hit $NETWORK_TIMOUT_SECS s tftp server timeout"
return 0
fi
sleep 1
done
- m pxe-kexec -n --ignore-whitelist -l fai-generated faiserver ||:
+ m pxe-kexec -n --ignore-whitelist -l fai-generated $faiserver ||:
}
+force=false
case $1 in
+ -h|--help)
+ usage
+ ;;
-f|--force)
- try-kexec
- exit
+ force=true
+ shift
;;
esac
+faiserver=${1:-faiserver.b8.nz}
+
+
+if $force; then
+ try-kexec
+ exit
+fi
+
+if ! dmidecode -t system | grep -F "Version: ThinkPad X200" &>/dev/null; then
+ echo "not x200, exiting"
+ exit 0
+fi
first=true
for dev in $(btrfs fi show / | sed -rn 's#^\s*devid\s.*\s([^0-9 ]+)\S+$#\1#p' \
|sort); do
-
+ echo dev=$dev
+ found=false
# Decide which is my grub_ext partition. see partition.DEFAULT file
- # for details
- if [[ $(blockdev --getsize64 ${dev}4) == 8388608 ]]; then
- # Old partition scheme
- grub_extn=${dev}4
- elif [[ $(blockdev --getsize64 ${dev}5) == 8388608 ]]; then
- grub_extn=${dev}5
- else
- grub_extn=${dev}7
+ # for details. currently it is 4
+ for (( i=4; i<=7; i++ )); do
+ if [[ $(blockdev --getsize64 ${dev}$i) == 8388608 ]]; then
+ grub_extn=${dev}$i
+ found=true
+ echo grub_extn=$grub_extn
+ break
+ fi
+ done
+ if ! $found; then
+ echo "$0: error: failed to find grub_ext partition."
+ exit 1
fi
- mount $dev /mnt
+ m mount $grub_extn /mnt
if $first; then
if [[ -e /mnt/grubenv ]]; then
- set -x
+ m grub-editenv /mnt/grubenv list
source <(grub-editenv /mnt/grubenv list)
- set +x
fi
first=false
# we could just as well check if last_boot != /debianbullseye_bootstrap
# the intent with this one is just a little clearer.
if [[ $did_fai_check == true ]]; then
- grub-editenv /mnt/grubenv set did_fai_check=os_true
+ m grub-editenv /mnt/grubenv set did_fai_check=os_true
# our service does not wait for network-online.target,
# because it will wait for too long when we don't have a network
# connection. So, we wait for 10 seconds.
# if looks at them, which may not be the same as us.
# If the disk dies, we just lose the default boot option,
# we will have to do manual steps to replace it anyways.
- rm -f /mnt/gruvenv
+ m rm -f /mnt/gruvenv
fi
- umount /mnt
+ m umount /mnt
done
# the check for last_boot is not needed afaik, just sanity check.
-if [[ $did_fai_check == true && $last_boot != /debianbullseye_bootstrap ]]; then
- # no need to reboot if we actually want to boot into this os.
- reboot
-fi
+case $did_fai_check in
+ true|os_true)
+ if [[ $last_boot != /debianbullseye_bootstrap ]]; then
+ # no need to reboot if we actually want to boot into this os.
+ echo "last_boot not debianbullseye_bootstrap, rebooting"
+ reboot
+ fi
+esac