64 lines
2.2 KiB
Nix
64 lines
2.2 KiB
Nix
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final: prev: {
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cascade-installer = prev.writeShellApplication {
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name="cascade-installer";
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runtimeInputs = with final; [ bash git parted util-linux jq ];
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text=''
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usage() {
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1>&2 echo "usage: cascade-installer HOSTNAME BLOCKDEVTONUKE PROFILE"
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}
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if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ];then
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usage
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exit 1
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fi
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HOSTNAME="$1"
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BLOCKDEVTONUKE="$2"
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PROFILE="$3"
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if ! [ -d /usr/src/cascade/profiles/"$PROFILE" ];then
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1>&2 echo "profile $PROFILE does not exist. possible options:"
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(cd /usr/src/cascade/profiles/ && 1>&2 printf " %s\n" [a-zA-Z0-9]*)
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exit 1
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fi
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mkdir -p /mnt
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# if the block device has children...
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if lsblk -J "$BLOCKDEVTONUKE" | jq -e '.blockdevices[]|.children' > /dev/null ; then
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1>&2 echo "$BLOCKDEVTONUKE still has partitions. please clear the block device before installing"
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exit 3
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fi
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parted "$BLOCKDEVTONUKE" -- mklabel gpt
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parted "$BLOCKDEVTONUKE" -- mkpart primary 512MiB -2GiB
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parted "$BLOCKDEVTONUKE" -- mkpart primary linux-swap -2GiB 100%
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parted "$BLOCKDEVTONUKE" -- mkpart ESP fat32 1MiB 512MiB
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parted "$BLOCKDEVTONUKE" -- set 3 esp on
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parted "$BLOCKDEVTONUKE" -- name 1 nixos
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parted "$BLOCKDEVTONUKE" -- name 2 nixos-swap
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parted "$BLOCKDEVTONUKE" -- name 3 ESP
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sync
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sleep 3
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BLK_NIXOS="$(lsblk -OJ "$BLOCKDEVTONUKE" | jq -r '.blockdevices[].children[]|select(.partlabel == "nixos")|.name')"
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BLK_SWAP="$(lsblk -OJ "$BLOCKDEVTONUKE" | jq -r '.blockdevices[].children[]|select(.partlabel == "nixos-swap")|.name')"
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BLK_ESP="$(lsblk -OJ "$BLOCKDEVTONUKE" | jq -r '.blockdevices[].children[]|select(.partlabel == "ESP")|.name')"
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mkfs.xfs -L nixos "$BLK_NIXOS"
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mkswap -L nixos-swap "$BLK_SWAP"
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mkfs.fat -F 32 -n BOOT "$BLK_ESP"
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mount "$BLK_NIXOS" /mnt
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mkdir -p /mnt/boot /mnt/etc/nixos
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sed -e '
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s#[(] *toString ../profiles/.*[)]#(toString /usr/src/cascade/profiles/'"$PROFILE"')#
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s#networking.hostName = "nixos";#networking.hostName = "'"$HOSTNAME"'";#
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' < /usr/src/cascade/hosts/_basic.nix > /etc/nixos/configuration.nix
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swapon "$BLK_SWAP"
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nixos-install
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'';
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};
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}
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