138 lines
2.9 KiB
Bash
Executable File
138 lines
2.9 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# autoprovision stage 1: this script will be executed upon boot without a valid extroot (i.e. when rc.local is found and run from the internal overlay)
|
|
|
|
. /root/autoprovision-functions.sh
|
|
|
|
getPendriveSize()
|
|
{
|
|
# this is needed for the mmc card in some (all?) Huawei 3G dongle.
|
|
# details: https://dev.openwrt.org/ticket/10716#comment:4
|
|
if [ -e /dev/sda ]; then
|
|
# force re-read of the partition table
|
|
head /dev/sda >/dev/null
|
|
fi
|
|
|
|
if (grep -q sda /proc/partitions) then
|
|
cat /sys/block/sda/size
|
|
else
|
|
echo 0
|
|
fi
|
|
}
|
|
|
|
hasBigEnoughPendrive()
|
|
{
|
|
local size=$(getPendriveSize)
|
|
if [ $size -ge 600000 ]; then
|
|
log "Found a pendrive of size: $(($size / 2 / 1024)) MB"
|
|
return 0
|
|
else
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
setupPendrivePartitions()
|
|
{
|
|
# erase partition table
|
|
dd if=/dev/zero of=/dev/sda bs=1M count=1
|
|
|
|
# sda1 is 'swap'
|
|
# sda2 is 'root'
|
|
# sda3 is 'data'
|
|
fdisk /dev/sda <<EOF
|
|
o
|
|
n
|
|
p
|
|
1
|
|
|
|
+64M
|
|
n
|
|
p
|
|
2
|
|
|
|
+512M
|
|
n
|
|
p
|
|
3
|
|
|
|
|
|
t
|
|
1
|
|
82
|
|
w
|
|
q
|
|
EOF
|
|
log "Finished partitioning /dev/sda using fdisk"
|
|
|
|
sleep 2
|
|
|
|
until [ -e /dev/sda1 ]
|
|
do
|
|
echo "Waiting for partitions to show up in /dev"
|
|
sleep 1
|
|
done
|
|
|
|
mkswap -L swap -U $swapUUID /dev/sda1
|
|
mkfs.ext4 -L root -U $rootUUID /dev/sda2
|
|
mkfs.ext4 -L data -U $dataUUID /dev/sda3
|
|
|
|
log "Finished setting up filesystems"
|
|
}
|
|
|
|
setupExtroot()
|
|
{
|
|
mkdir -p /mnt/extroot/
|
|
mount -U $rootUUID /mnt/extroot
|
|
|
|
overlay_root=/mnt/extroot/upper
|
|
|
|
# at this point we could copy the entire root (a previous version of this script did that), or just the overlay from the flash,
|
|
# but it seems to work fine if we just create an empty overlay that is only replacing the rc.local from the firmware.
|
|
|
|
# let's write a new rc.local on the extroot that will shadow the one which is in the rom (to run stage2 instead of stage1)
|
|
mkdir -p ${overlay_root}/etc/
|
|
cat >${overlay_root}/etc/rc.local <<EOF
|
|
/root/autoprovision-stage2.sh
|
|
exit 0
|
|
EOF
|
|
|
|
# TODO FIXME when this is enabled then Chaos Calmer doesn't turn on the network and thus the device remains unreachable
|
|
# make sure that we shadow the /var -> /tmp symlink with the extroot, so that /var is permanent
|
|
# mkdir -p ${overlay_root}/var
|
|
# KLUDGE: /var/state is assumed to be transient, so link it to tmp, see https://dev.openwrt.org/ticket/12228
|
|
# cd ${overlay_root}/var
|
|
# ln -s /tmp state
|
|
# cd -
|
|
|
|
log "Finished setting up extroot"
|
|
}
|
|
|
|
autoprovisionStage1()
|
|
{
|
|
signalAutoprovisionWorking
|
|
|
|
signalAutoprovisionWaitingForUser
|
|
signalWaitingForPendrive
|
|
|
|
until hasBigEnoughPendrive
|
|
do
|
|
echo "Waiting for a pendrive to be inserted"
|
|
sleep 3
|
|
done
|
|
|
|
signalAutoprovisionWorking # to make it flash in sync with the USB led
|
|
signalFormatting
|
|
|
|
sleep 1
|
|
|
|
setupPendrivePartitions
|
|
sleep 1
|
|
setupExtroot
|
|
|
|
sync
|
|
stopSignallingAnything
|
|
reboot
|
|
}
|
|
|
|
autoprovisionStage1
|