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86 lines
1.8 KiB
86 lines
1.8 KiB
{ pkgs, lib, modulesPath, config, target, ... }:
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with lib;
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let
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installer = pkgs.callPackage ./installer.nix { inherit target; };
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auto-installer =
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let
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# This removes the direct dependency from the installer to the target image.
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# The install script is realized later during runtime using the cache.
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# To make this work, the cache must provide the real installer script.
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installer-path = builtins.unsafeDiscardStringContext (toString installer);
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in
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pkgs.writers.writeBash "auto-installer" ''
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set -o errexit
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set -o nounset
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set -o pipefail
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set -x
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${pkgs.retry}/bin/retry \
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--times 10 \
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--delay 15 \
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-- ${pkgs.nix}/bin/nix-store \
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--realize \
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--add-root /tmp/installer \
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"${installer-path}"
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/tmp/installer
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reboot
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'';
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in
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{
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imports = [
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"${modulesPath}/installer/netboot/netboot-minimal.nix"
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../shared/users.nix
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../shared/network.nix
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../shared/cache.nix
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];
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_module.args = {
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name = "installer";
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};
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networking.useDHCP = mkForce true;
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services.getty.autologinUser = lib.mkForce "root";
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systemd.services."auto-install" = {
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description = "Automated NixOS installer";
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wants = [ "network-online.target" ];
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after = [ "network-online.target" ];
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conflicts = [ "getty@tty1.service" ];
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wantedBy = [ "multi-user.target" ];
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path = with pkgs; [ bash nix ];
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unitConfig = {
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FailureAction = "force-reboot";
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};
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serviceConfig = {
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Type = "oneshot";
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ExecStart = auto-installer;
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StandardInput = "none";
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StandardOutput = "journal+console";
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StandardError = "journal+console";
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};
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};
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# Expose the installer script
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system.build.installer = installer;
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system.stateVersion = config.system.nixos.release;
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}
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