caem/nixos-system-config
caem/nixos-system-config
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This commit is contained in:
caem 2025-01-14 00:16:41 +01:00
parent fdd9ec1568
commit 99605585e1
Signed by: caem
GPG key ID: 69A830D03203405F
5 changed files with 50 additions and 10 deletions
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2
hosts/puter/default.nix
View file

@ -20,7 +20,7 @@
efi.canTouchEfiVariables = true;
grub = {
enable = true;
device = "/dev/nvme0"; # [managed by install.sh] { grub device }
device = "/dev/nvme0n1"; # [managed by install.sh]
efiSupport = true;
gfxmodeEfi = "1920x1080";
};

4
hosts/puter/disko.nix
View file

@ -5,7 +5,7 @@
disk = {
master = {
type = "disk";
device = ""; # [managed by install.sh] { device }
device = "/dev/nvme0n1"; # [managed by install.sh]
content = {
type = "gpt";
partitions = {
@ -32,7 +32,7 @@
extraArgs = [ "-f" "-L nixos" ];
postCreateHook = ''
TMP_MNT=$(mktemp -d)
MNT_PART="" # [managed by install.sh] { root partition }
MNT_PART="/dev/nvme0n1" # [managed by install.sh]
mount "$MNT_PART" "$TMP_MNT" -o subvol=/
trap 'umount "$TMP_MNT"; rm -rf "$TMP_MNT"' EXIT
btrfs subvolume snapshot "$TMP_MNT/root" "$TMP_MNT/blank"

4
hosts/vm/default.nix
View file

@ -19,7 +19,7 @@
loader = {
grub = {
enable = true;
device = "/dev/nvme0n1"; # [managed by install.sh] { grub device }
device = "/dev/sda"; # [managed by install.sh]
gfxmodeEfi = "1920x1080";
};
};
@ -45,6 +45,6 @@
# these specific partitions.
};
system.stateVersion = "24.11"; # [managed by install.sh] { state version }
system.stateVersion = "24.11"; # [managed by install.sh]
}

4
hosts/vm/disko.nix
View file

@ -5,7 +5,7 @@
disk = {
master = {
type = "disk";
device = ""; # [managed by install.sh] { device }
device = "/dev/sda"; # [managed by install.sh]
content = {
type = "gpt";
partitions = {
@ -32,7 +32,7 @@
extraArgs = [ "-f" "-L nixos" ];
postCreateHook = ''
TMP_MNT=$(mktemp -d)
MNT_PART="" # [managed by install.sh] { root partition }
MNT_PART="/dev/sda2" # [managed by install.sh]
mount "$MNT_PART" "$TMP_MNT" -o subvol=/
trap 'umount "$TMP_MNT"; rm -rf "$TMP_MNT"' EXIT
btrfs subvolume snapshot "$TMP_MNT/root" "$TMP_MNT/blank"

46
install.sh
View file

@ -72,19 +72,59 @@ args() {
args_ensure_is_set "--host" "$DOTNIX_HOSTNAME"
}
sed_safe () {
# I got this off of some random StackOverflow answer. Don't put too much trust in this.
printf "%s" "$1" | sed -r 's/([\$\.\*\/\[\\^])/\\\1/g' | sed 's/[]]/\[]]/g'
}
partition_num_for_device() {
parent_dir="$(basename "$(dirname "$1")")"
if [ "$parent_dir" = "disk" ]; then
>&2 echo "Don't use persistent device names. They will automatically be set later on."
exit 1
elif [ "$parent_dir" = "mapper" ]; then
>&2 echo "lvm volumes are not supported."
exit 1
elif [ "$parent_dir" != "dev" ]; then
>&2 echo "Block device directory not recognized: $parent_dir"
exit 1
fi
case "$(basename "$1")" in
"nvme"* | "mmcblk"*)
printf "%s" "${1}p${2}"
;;
"sda"* | "vda"* | "hda"*)
printf "%s" "${1}${2}"
;;
*)
>&2 echo "Invalid block device type '$(basename "$1")'"
exit 1
;;
esac
}
update_managed_values() {
echo "piss"
sed -i 's/\( *device = \)".*"\(; #.*\)/\1"'"$(sed_safe "$DOTNIX_INSTALL_DEVICE")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/default.nix"
sed -i 's/\( *device = \)".*"\(; #.*\)/\1"'"$(sed_safe "$DOTNIX_INSTALL_DEVICE")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/disko.nix"
sed -i 's/\( *MNT_PART=\)".*"\( #.*\)/\1"'"$(sed_safe \
"$(partition_num_for_device "$DOTNIX_INSTALL_DEVICE" "2")")"'"\2/' "./hosts/$DOTNIX_HOSTNAME/disko.nix"
}
main () {
args "$@"
update_managed_values
if [ "$(id -u)" != "0" ]; then
>&2 echo "The installation script must be run as root to work."
exit 1
fi
if [ ! -d /sys/firmware/efi ]; then
>&2 echo "Legacy BIOS is unsupported"
exit 1
fi
update_managed_values
}
set -e