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#!/bin/bash
# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2023 Maxim Devaev <[email protected]> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
# ========================================================================== #
set -ex
if [ "$(whoami)" != root ]; then
echo "Only root can do that"
exit 1
fi
if [ "$1" != --do-the-thing ]; then
echo "This script will make some firstboot magic. Don't run it manually."
exit 1
fi
# ========== Preparing ==========
if [ ! -f /boot/pikvm.txt ]; then
exit 0
fi
# shellcheck disable=SC1090
source <(dos2unix < /boot/pikvm.txt)
rw
# ========== First boot configuration ==========
if [ -n "$FIRSTBOOT$FIRST_BOOT" ]; then
### stop regular kvmd-oled service and show first time setup status in oled
systemctl stop kvmd-oled
/usr/bin/kvmd-oled --interval=0 --text="First time setup\nDo NOT interrupt\nPlease Wait...\n"
( \
(umount /etc/machine-id || true) \
&& echo -n > /etc/machine-id \
&& systemd-machine-id-setup \
) || true
rm -f /etc/ssh/ssh_host_*
ssh-keygen -v -A
rm -f /etc/kvmd/nginx/ssl/*
rm -f /etc/kvmd/vnc/ssl/*
kvmd-gencert --do-the-thing
kvmd-gencert --do-the-thing --vnc
if grep -q 'X-kvmd\.otgmsd' /etc/fstab; then
part=$(grep 'X-kvmd\.otgmsd' /etc/fstab | awk '{print $1}')
# shellcheck disable=SC2206
splitted=(${part//=/ })
if [ "${splitted[0]}" == LABEL ]; then
label=${splitted[1]}
part=$(blkid -c /dev/null -L "$label")
else
label=PIMSD
fi
unset splitted
disk=/dev/$(lsblk -no pkname "$part")
npart=$(cat "/sys/class/block/${part//\/dev\//}/partition")
umount "$part"
parted "$disk" -a optimal -s resizepart "$npart" 100%
yes | mkfs.ext4 -L "$label" -F -m 0 "$part"
mount "$part"
unset disk part npart label
fi
# fc-cache is required for installed X server
# shellcheck disable=SC2015
which fc-cache && fc-cache || true
fi
# ========== OTG serial ==========
if [ -n "$ENABLE_OTG_SERIAL" ]; then
cat <<end_of_file > /etc/kvmd/override.d/0000-vendor-otg-serial.yaml
# Generated by kvmd-bootconfig. Do not edit this file!
otg:
devices:
serial:
enabled: true
end_of_file
grep '^ttyGS0$' /etc/securetty || echo ttyGS0 >> /etc/securetty
mkdir -p /etc/systemd/system/[email protected]
cat <<end_of_file > /etc/systemd/system/[email protected]/override.conf
[Service]
TTYReset=no
TTYVHangup=no
TTYVTDisallocate=no
end_of_file
systemctl enable [email protected]
touch /boot/pikvm-reboot.txt
fi
# ========== SSH ==========
if [ -n "$SSH_PORT" ]; then
sed -i -e "s/^\s*#*\s*Port\s\+.*$/Port $SSH_PORT/g" /etc/ssh/sshd_config
fi
# ========== Ethernet ==========
# If the ETH_DHCP is defined, configure eth0 for DHCP
if [ -n "$ETH_DHCP" ]; then
ETH_IFACE="${ETH_IFACE:-eth0}"
cat <<end_of_file > "/etc/systemd/network/$ETH_IFACE.network"
[Match]
Name=$ETH_IFACE
[Network]
DHCP=yes
DNSSEC=no
[DHCP]
# Use same IP by forcing to use MAC address for clientID
ClientIdentifier=mac
# https://github.com/pikvm/pikvm/issues/583
RouteMetric=10
end_of_file
fi
# If the ETH_ADDR is defined, configure a static address on eth0
if [ -n "$ETH_ADDR" ]; then
ETH_IFACE="${ETH_IFACE:-eth0}"
cat <<end_of_file > "/etc/systemd/network/$ETH_IFACE.network"
[Match]
Name=$ETH_IFACE
[Network]
Address=$ETH_ADDR
DNS=$ETH_DNS
DNSSEC=no
[Route]
Gateway=$ETH_GW
end_of_file
fi
# ========== Wi-Fi ==========
# Set the regulatory domain for wifi, if defined.
if [ -n "$WIFI_REGDOM" ]; then
sed -i \
-e 's/^\(WIRELESS_REGDOM=.*\)$/#\1/' \
-e 's/^#\(WIRELESS_REGDOM="'"$WIFI_REGDOM"'"\)/\1/' \
/etc/conf.d/wireless-regdom
fi
# If the WIFI_ESSID is defined, configure wlan0
if [ -n "$WIFI_ESSID" ]; then
WIFI_IFACE="${WIFI_IFACE:-wlan0}"
cat <<end_of_file > "/etc/systemd/network/$WIFI_IFACE.network"
[Match]
Name=$WIFI_IFACE
[Network]
DHCP=yes
DNSSEC=no
# Use same IP by forcing to use MAC address for clientID
[DHCP]
ClientIdentifier=mac
end_of_file
wpa_passphrase "$WIFI_ESSID" "$WIFI_PASSWD" > "/etc/wpa_supplicant/wpa_supplicant-$WIFI_IFACE.conf"
systemctl enable "wpa_supplicant@$WIFI_IFACE.service" || true
touch /boot/pikvm-reboot.txt
fi
# ========== Custom scripts ==========
if [ -d /boot/pikvm-scripts.d ]; then
run-parts --regex='^.+$' /boot/pikvm-scripts.d || true
fi
# ========== Finish ==========
rm -f /boot/pikvm.txt
if [ -f /boot/pikvm-reboot.txt ]; then
rm -f /boot/pikvm-reboot.txt
ro
echo "kvmd-bootconfig: Reboot after 5 seconds" | tee /dev/kmsg
sleep 2
reboot
sleep 3
else
ro
# critical tasks have completed so start kvmd-oled service as an indicator that first boot tasks are complete
systemctl restart kvmd-oled
fi
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