112 lines
2.1 KiB
Bash
112 lines
2.1 KiB
Bash
#!/usr/bin/env bash
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set -euo pipefail
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hostname=""
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device=""
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no_confirm=""
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while [[ $# -gt 0 ]]; do
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case $1 in
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--hostname)
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hostname=$2
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shift
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shift
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;;
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--device)
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device=$2
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shift
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shift
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;;
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--no-confirm)
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no_confirm=1
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shift
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;;
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*)
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echo "unknown option: $1"
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exit 1
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;;
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esac
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done
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echo ""
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echo " This is clerie's nixfiles auto install for new hosts"
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echo " It will do dangerous things like format your disk"
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echo " So be careful when using it"
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echo ""
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if [[ -z $no_confirm ]]; then
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read -e -r -p "Continue?" confirm
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echo "$confirm" > /dev/null
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fi
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if [[ -z $hostname ]]; then
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fallback_hostname="host${RANDOM}"
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read -e -r -p "Hostname [$fallback_hostname]: " hostname
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if [[ -z $hostname ]]; then
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hostname=$fallback_hostname
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fi
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fi
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echo "[I] Deploying with hostname ${hostname}"
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if [[ -z $device ]]; then
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device="/dev/sda"
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while true; do
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read -e -r -p "Disk [$device]: " dev
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if [[ -z $dev ]]; then
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dev=$device
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fi
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if [[ -b $dev ]]; then
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device=$dev
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break
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else
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echo "[E] Disk $dev does not exist"
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fi
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done
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fi
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echo "[I] Deploying on disk ${device}"
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if [[ -z $no_confirm ]]; then
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read -e -r -p "Deploy host?" deploy
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echo "$deploy" > /dev/null
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fi
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echo "[I] Formatting disk"
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if [[ ! -b $device ]]; then
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echo "Disk $device does not exist"
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exit 1
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fi
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echo "[I] Using ${device}"
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parted --script "$device" mklabel gpt
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parted --script "$device" disk_set pmbr_boot on
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parted --script "$device" mkpart boot 0% 512M
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parted --script "$device" set 1 bios_grub on
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parted --script "$device" mkpart root 512M 100%
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echo "[I] Creating file system"
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mkfs.ext4 -F "${device}2"
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echo "[I] Mount file system"
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mount "${device}2" /mnt
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echo "[I] Generate NixOS configuration"
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nixfiles-generate-config --root /mnt --hostname "${hostname}"
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sed -i "s~# boot\.loader\.grub\.device = \"/dev/sda\";~boot\.loader\.grub\.device = \"${device}\";~g" "/mnt/etc/nixos/hosts/${hostname}/configuration.nix"
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echo "[I] Install NixOS"
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nixos-install --flake "/mnt/etc/nixos#${hostname}" --root /mnt --no-root-password
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