rename

iso/installer.sh

@@ -0,0 +1,127 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+LOG=/tmp/sovran-install.log
+exec > >(tee -a "$LOG") 2>&1
+
+export PATH=/run/current-system/sw/bin:$PATH
+
+BYTES_4TB=$((4 * 1024 * 1024 * 1024 * 1024))
+
+human_size() {
+  numfmt --to=iec --suffix=B "$1"
+}
+
+zenity --info --width=500 --text="Sovran SystemsOS Installer\n\nWARNING:\nThis installer will ERASE ALL DATA on selected disks.\n\nPress OK to continue."
+
+mapfile -t DISKS < <(lsblk -b -dno NAME,SIZE,TYPE | awk '$3=="disk"{print $1":"$2}')
+if [ "${#DISKS[@]}" -eq 0 ]; then
+  zenity --error --text="No disks found."
+  exit 1
+fi
+
+IFS=$'\n' DISKS_SORTED=($(printf "%s\n" "${DISKS[@]}" | sort -t: -k2,2n))
+unset IFS
+
+BOOT_DISK="${DISKS_SORTED[0]%%:*}"
+BOOT_SIZE="${DISKS_SORTED[0]##*:}"
+
+DATA_DISK=""
+DATA_SIZE=""
+
+if [ "${#DISKS_SORTED[@]}" -ge 2 ]; then
+  DATA_DISK="${DISKS_SORTED[-1]%%:*}"
+  DATA_SIZE="${DISKS_SORTED[-1]##*:}"
+fi
+
+if [ -n "$DATA_DISK" ] && [ "$DATA_SIZE" -lt "$BYTES_4TB" ]; then
+  zenity --warning --width=500 --text="Second disk detected (${DATA_DISK}), but it is smaller than 4TB.\n\nIt will NOT be used."
+  DATA_DISK=""
+  DATA_SIZE=""
+fi
+
+SUMMARY="Boot disk: /dev/${BOOT_DISK} ($(human_size "$BOOT_SIZE"))"
+if [ -n "$DATA_DISK" ]; then
+  SUMMARY="${SUMMARY}\nData disk: /dev/${DATA_DISK} ($(human_size "$DATA_SIZE"))"
+else
+  SUMMARY="${SUMMARY}\nData disk: none"
+fi
+
+ROLE=$(zenity --list --radiolist --width=500 --height=250 \
+  --title="Choose Install Role" \
+  --column="" --column="Role" \
+  TRUE "Server-Desktop (default)" \
+  FALSE "Desktop" \
+  FALSE "Node (Bitcoin-only)" || true)
+
+if [ -z "$ROLE" ]; then
+  ROLE="Server-Desktop (default)"
+fi
+
+CONFIRM=$(zenity --entry --width=500 --text="WARNING: This will ERASE ALL DATA on:\n\n${SUMMARY}\n\nType ERASE to continue.")
+if [ "$CONFIRM" != "ERASE" ]; then
+  zenity --error --text="Install cancelled."
+  exit 1
+fi
+
+BOOT_PATH="/dev/${BOOT_DISK}"
+PART_SUFFIX=""
+if [[ "$BOOT_DISK" =~ ^(nvme|mmcblk) ]]; then
+  PART_SUFFIX="p"
+fi
+
+parted --script "$BOOT_PATH" mklabel gpt
+parted --script "$BOOT_PATH" mkpart ESP fat32 1MiB 512MiB
+parted --script "$BOOT_PATH" set 1 esp on
+parted --script "$BOOT_PATH" mkpart primary ext4 512MiB 100%
+
+partprobe "$BOOT_PATH"
+udevadm settle
+
+mkfs.fat -F 32 -n boot "${BOOT_PATH}${PART_SUFFIX}1"
+mkfs.ext4 -F -L sovran_systemsos "${BOOT_PATH}${PART_SUFFIX}2"
+
+if [ -n "$DATA_DISK" ]; then
+  DATA_PATH="/dev/${DATA_DISK}"
+  part_suffix_data=""
+  if [[ "$DATA_DISK" =~ ^(nvme|mmcblk) ]]; then
+    part_suffix_data="p"
+  fi
+
+  parted --script "$DATA_PATH" mklabel gpt
+  parted --script "$DATA_PATH" mkpart primary ext4 1MiB 100%
+  partprobe "$DATA_PATH"
+  udevadm settle
+  mkfs.ext4 -F -L BTCEcoandBackup "${DATA_PATH}${part_suffix_data}1"
+fi
+
+mkdir -p /mnt
+mount /dev/disk/by-label/sovran_systemsos /mnt
+mkdir -p /mnt/boot/efi
+mount /dev/disk/by-label/boot /mnt/boot/efi
+
+if [ -n "$DATA_DISK" ]; then
+  mkdir -p /mnt/run/media/Second_Drive
+  mount /dev/disk/by-label/BTCEcoandBackup /mnt/run/media/Second_Drive
+fi
+
+nixos-generate-config --root /mnt
+
+cp /mnt/etc/nixos/hardware-configuration.nix /tmp/hardware-configuration.nix
+rm -rf /mnt/etc/nixos/*
+cp -a /etc/sovran/flake/* /mnt/etc/nixos/
+cp /tmp/hardware-configuration.nix /mnt/etc/nixos/hardware-configuration.nix
+
+cat > /mnt/etc/nixos/custom.nix <<EOF
+{ config, lib, ... }:
+{
+  sovran_systemsOS.roles.server-desktop = ${ROLE == "Server-Desktop (default)"};
+  sovran_systemsOS.roles.desktop = ${ROLE == "Desktop"};
+  sovran_systemsOS.roles.node = ${ROLE == "Node (Bitcoin-only)"};
+}
+EOF
+
+nixos-install --root /mnt --flake /mnt/etc/nixos#nixos
+
+zenity --info --text="Install complete. Rebooting..."
+reboot