vcpi/prepare-image.sh
2024-11-12 22:39:17 +02:00

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#!/bin/bash
#
if [ -z "$1" ]
then
echo "No image name provided"
exit
fi
#download source
curl $1 --output src.img.xz
xz -v -T 0 -d src.img.xz
#setup
losetup -P /dev/loop8 src.img
mkdir -v /tmp/rpi-img
mount /dev/loop8p2 /tmp/rpi-img
mount /dev/loop8p1 /tmp/rpi-img/boot
#enable ssh
touch /tmp/rpi-img/boot/ssh
cp -v userconf.txt /tmp/rpi-img/boot/userconf
# pi user keys
mkdir /tmp/rpi-img/home/pi/.ssh
#echo "" > /tmp/rpi-img/home/pi/.ssh/authorized_keys
chown 1000:1000 /tmp/rpi-img/home/pi/.ssh
chown 1000:1000 /tmp/rpi-img/home/pi/.ssh/authorized_keys
#provision scripts
cp -v ./src/setup.sh /tmp/rpi-img/root/setup.sh
#setup autorun on first boot
cp -v ./src/firstboot.service /tmp/rpi-img/lib/systemd/system/firstboot.service
ln -v -s /lib/systemd/system/firstboot.service /tmp/rpi-img/etc/systemd/system/multi-user.target.wants
#enable systemd-time-wait-sync
ln -v -s /lib/systemd/system/systemd-time-wait-sync.service /tmp/rpi-img/etc/systemd/system/sysinit.target.wants/systemd-time-wait-sync.service
sync
#cleanup
losetup -d /dev/loop8
umount /tmp/rpi-img/boot
umount /tmp/rpi-img
rmdir -v /tmp/rpi-img
#write image
xz -v -T 0 -z src.img
mv -v src.img.xz vcpi.img.xz