lab-infra/iso/dgn-install/dgn-install.sh
Julien Malka d05fcb7e2c
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chore: init
2024-10-12 00:20:58 +02:00

149 lines
2.7 KiB
Bash

bootDevice=
rootDevice=
domain="par01.infra.dgnum.eu"
hostname="dgn0x"
hasZFS=
while [ "$#" -gt 0 ]; do
i="$1"
shift 1
case "$i" in
--root)
rootDevice="$1"
shift 1
;;
--boot)
bootDevice="$1"
shift 1
;;
--swap)
swapDevice="$1"
shift 1
;;
--domain)
domain="$1"
shift 1
;;
--hostname)
hostname="$1"
shift 1
;;
--with-zfs)
hasZFS="1"
;;
*)
echo "$0: unknown option \`$i'"
exit 1
;;
esac
done
if [ -z "$bootDevice" ]; then
echo "Missing boot partition"
exit 1
fi
if [ -z "$rootDevice" ]; then
echo "Missing root partition"
exit 1
fi
# Mount the partitions to where they should be
mount "$rootDevice" /mnt
mkdir /mnt/boot
mount "$bootDevice" /mnt/boot
if [ -n "$swapDevice" ]; then
swapon "$swapDevice"
fi
# Generate configration
nixos-generate-config --root /mnt
NIX="/mnt/etc/nixos/"
# Setup our own files
mv $NIX/configuration.nix $NIX/base-configuration.nix
cat <<EOF > $NIX/dgnum-server.nix
{ ... }: {
services.nscd.enableNsncd = false;
programs.bash.promptInit = ''
# Provide a nice prompt if the terminal supports it.
if [ "\$TERM" != "dumb" ] || [ -n "\$INSIDE_EMACS" ]; then
PROMPT_COLOR="1;31m"
((UID)) && PROMPT_COLOR="1;32m"
if [ -n "\$INSIDE_EMACS" ] || [ "\$TERM" = "eterm" ] || [ "\$TERM" = "eterm-color" ]; then
# Emacs term mode doesn't support xterm title escape sequence (\e]0;)
PS1="\n\[\033[\$PROMPT_COLOR\][\u@\$(hostname -f):\w]\\\$\[\033[0m\] "
else
PS1="\n\[\033[\$PROMPT_COLOR\][\[\e]0;\u@\H: \w\a\]\u@\$(hostname -f):\w]\\\$\[\033[0m\] "
fi
if test "\$TERM" = "xterm"; then
PS1="\[\033]2;\$(hostname -f):\u:\w\007\]\$PS1"
fi
fi
'';
}
EOF
cat <<EOF > $NIX/configuration.nix
{ pkgs, ... }: {
imports = [
./base-configuration.nix
./dgnum-server.nix
$(if [ -n "$hasZFS" ]; then echo './zfs.nix'; fi)
];
boot.tmp.cleanOnBoot = true;
console.keyMap = "fr";
time.timeZone = "Europe/Paris";
environment.systemPackages = with pkgs; [
vim
wget
kitty.terminfo
];
networking = {
hostName = "$hostname";
domain = "$domain";
};
# Activate SSH and set the keys
services.openssh = {
enable = true;
settings.PasswordAuthentication = false;
};
users.users.root.openssh.authorizedKeys.keyFiles = [ ./rootKeys ];
}
EOF
if [ -n "$hasZFS" ]; then
cat <<EOF > $NIX/zfs.nix
{ ... }: {
boot = {
supportedFilesystems = [ "zfs" ];
zfs.forceImportRoot = false;
zfs.extraPools = [
$(zpool list -Ho name | sed 's/^/"/;s/$/"/')
];
};
networking.hostId = "$(head -c4 /dev/urandom | od -A none -t x4 | sed 's/ //')";
}
EOF
fi
# Copy the keys
cp /etc/ssh/authorized_keys.d/root $NIX/rootKeys
# Perform the installation
nixos-install