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nix-auto-installer/common.nix
T
beatzaplentyandClaude Sonnet 5 a90e736743 Simplify installer into shared common.nix + per-platform targets
Replaces the single monolithic installer.nix (preserved as
installer_old.nix for reference) with a shared common.nix carrying the
install-script/user/SSH baseline, consumed by per-platform targets
(installer.nix for netboot/ISO, new proxmox-lxc.nix for the Proxmox
LXC-based flow). flake.nix drops the nixos-generators input in favor
of building images directly from each nixosConfiguration's
system.build.isoImage/tarball.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-07-19 13:12:46 +10:00

127 lines
3.4 KiB
Nix

{ pkgs, lib, ... }:
{
networking.useDHCP = lib.mkDefault true;
time.timeZone = "Australia/Brisbane";
environment.systemPackages = with pkgs; [
git
curl
jq
parted
e2fsprogs
btrfs-progs
util-linux
disko
];
programs.git = {
enable = true;
config = {
credential.helper = "store --file=/etc/git-credentials";
};
};
environment.etc."git-credentials".text =
"https://beatzaplenty:294be99829703536e02fdeed893137f1d8d96b76@gitea.lan.ddnsgeek.com";
services.openssh.enable = true;
services.openssh.settings = {
PermitRootLogin = "yes";
PasswordAuthentication = true;
};
users.users.root = {
hashedPassword =
"$6$Kwv9KAyvcurAViQF$H4.u3feqGE7lVoNgkFXhE3n2Pmo//9JYDTCz8ifrVHBxPjwa1xMby7tEZ8Bpt5MXs9Rkx6/YbZWxs5CpH0s/70";
};
users.users.nixos = {
isNormalUser = true;
extraGroups = [
"wheel"
];
shell = pkgs.bashInteractive;
hashedPassword =
"$6$Kwv9KAyvcurAViQF$H4.u3feqGE7lVoNgkFXhE3n2Pmo//9JYDTCz8ifrVHBxPjwa1xMby7tEZ8Bpt5MXs9Rkx6/YbZWxs5CpH0s/70";
openssh.authorizedKeys.keys = [
"ssh-rsa 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 wayne@stream"
];
};
system.stateVersion = "26.05";
# Write auto-install script to /root
environment.etc."auto-install.sh".text = ''
#!/run/current-system/sw/bin/bash
set -eux
set -euo pipefail
export FLAKE_BASE_URL="git+https://gitea.lan.ddnsgeek.com/beatzaplenty/nixos.git"
echo "Fetching available NixOS hosts from flake..."
mapfile -t options < <(
nix eval --json --no-use-registries --no-accept-flake-config --extra-experimental-features "flakes nix-command" \
"''${FLAKE_BASE_URL}#nixosConfigurations" \
--apply builtins.attrNames \
| jq -r '.[]'
)
if [[ ''${#options[@]} -eq 0 ]]; then
echo "ERROR: No NixOS hosts found in ''${FLAKE_BASE_URL}#nixosConfigurations" >&2
exit 1
fi
echo "Choose the flake profile to install:"
select choice in "''${options[@]}"; do
if [[ -n "$choice" ]]; then
echo "You selected: $choice"
break
else
echo "Invalid selection. Try again."
fi
done
echo "Starting install with flake: ''${FLAKE_BASE_URL}#''${choice}"
# Optional: confirm before proceeding
read -rp "Proceed with installation? (y/N): " confirm
if [[ ! "$confirm" =~ ^[Yy]$ ]]; then
echo "Aborted."
exit 1
fi
if nix eval --refresh --json --extra-experimental-features "flakes nix-command" "''${FLAKE_BASE_URL}#nixosConfigurations.''${choice}.config.disko.devices.disk.main.device" >/dev/null 2>&1; then
disko --mode destroy,format,mount \
--flake "''${FLAKE_BASE_URL}#''${choice}" --yes`
else
echo "Selected host has no Disko configuration."
fi
mkdir -p /mnt/install-tmp
export TMPDIR=/mnt/install-tmp
nixos-install \
--flake "''${FLAKE_BASE_URL}#''${choice}" \
--no-root-password
rm -rf /mnt/install-tmp
sleep 10
reboot
'';
environment.etc."auto-install.sh".mode = "0755";
}