188 lines
4.7 KiB
Nix
188 lines
4.7 KiB
Nix
# This module contains the basic configuration for building a NixOS
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# installation CD.
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{ config, pkgs, ... }:
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with pkgs.lib;
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let
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# A dummy /etc/nixos/configuration.nix in the booted CD that
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# rebuilds the CD's configuration (and allows the configuration to
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# be modified, of course, providing a true live CD). Problem is
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# that we don't really know how the CD was built - the Nix
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# expression language doesn't allow us to query the expression being
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# evaluated. So we'll just hope for the best.
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dummyConfiguration = pkgs.writeText "configuration.nix"
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''
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{config, pkgs, ...}:
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{
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require = [ ];
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# Add your own options below and run "nixos-rebuild switch".
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# E.g.,
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# services.openssh.enable = true;
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}
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'';
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pkgs2storeContents = l : map (x: { object = x; symlink = "none"; }) l;
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options = {
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system.nixosVersion = mkOption {
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default = "${builtins.readFile ../../../VERSION}";
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description = ''
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NixOS version number.
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'';
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};
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};
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# A clue for the kernel loading
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kernelParams = pkgs.writeText "kernel-params.txt" ''
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Kernel Parameters:
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init=${config.system.build.toplevel}/init ${toString config.boot.kernelParams}
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'';
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in
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{
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require =
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[ options
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./system-tarball.nix
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../../hardware/network/rt73.nix
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];
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# Disable some other stuff we don't need.
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security.sudo.enable = false;
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# Include only the en_US locale. This saves 75 MiB or so compared to
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# the full glibcLocales package.
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i18n.supportedLocales = ["en_US.UTF-8/UTF-8" "en_US/ISO-8859-1"];
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# Include some utilities that are useful for installing or repairing
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# the system.
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environment.systemPackages =
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[ pkgs.subversion # for nixos-checkout
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pkgs.w3m # needed for the manual anyway
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pkgs.ddrescue
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pkgs.ccrypt
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pkgs.cryptsetup # needed for dm-crypt volumes
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# Some networking tools.
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pkgs.sshfsFuse
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pkgs.socat
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pkgs.screen
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pkgs.wpa_supplicant # !!! should use the wpa module
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# Hardware-related tools.
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pkgs.sdparm
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pkgs.hdparm
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pkgs.dmraid
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# Tools to create / manipulate filesystems.
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pkgs.btrfsProgs
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# Some compression/archiver tools.
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pkgs.unrar
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pkgs.unzip
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pkgs.zip
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pkgs.xz
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pkgs.dar # disk archiver
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# Some editors.
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pkgs.nvi
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pkgs.bvi # binary editor
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pkgs.joe
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];
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boot.loader.grub.enable = false;
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boot.loader.generationsDir.enable = false;
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system.boot.loader.kernelFile = "uImage";
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boot.initrd.availableKernelModules =
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[ "mvsdio" "mmc_block" "reiserfs" "ext3" "ums-cypress" "rtc_mv"
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"ext4" ];
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boot.initrd.kernelModules =
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[
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"scsi_wait_scan"
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];
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boot.postBootCommands =
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''
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mkdir -p /mnt
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cp ${dummyConfiguration} /etc/nixos/configuration.nix
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'';
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boot.initrd.extraUtilsCommands =
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''
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cp ${pkgs.utillinux}/sbin/hwclock $out/bin
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'';
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boot.initrd.postDeviceCommands =
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''
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hwclock -s
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'';
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boot.kernelParams =
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[
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"selinux=0"
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"console=tty1"
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# "console=ttyS0,115200n8" # serial console
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];
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boot.kernelPackages = pkgs.linuxPackages_2_6_35;
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services.mingetty = {
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ttys = [ "ttyS0" ];
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# Some more help text.
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helpLine = ''
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Log in as "root" with an empty password. ${
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if config.services.xserver.enable then
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"Type `start xserver' to start\nthe graphical user interface."
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else ""
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}
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'';
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};
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# Setting vesa, we don't get the nvidia driver, which can't work in arm.
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services.xserver.videoDriver = "vesa";
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services.xserver.videoDrivers = [];
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services.nixosManual.enable = false;
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# Include the firmware for various wireless cards.
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networking.enableRT73Firmware = true;
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networking.enableIntel2200BGFirmware = true;
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# To speed up further installation of packages, include the complete stdenv
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# in the Nix store of the tarball.
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tarball.storeContents = pkgs2storeContents [ pkgs.stdenv ];
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tarball.contents = [
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{ source = kernelParams;
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target = "/kernelparams.txt";
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}
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{ source = config.boot.kernelPackages.kernel + "/" + config.system.boot.loader.kernelFile;
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target = "/boot/" + config.system.boot.loader.kernelFile;
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}
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{ source = pkgs.ubootSheevaplug;
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target = "/boot/uboot";
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}
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];
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# Allow sshd to be started manually through "start sshd". It should
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# not be started by default on the installation CD because the
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# default root password is empty.
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services.openssh.enable = true;
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services.ttyBackgrounds.enable = false;
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jobs.openssh.startOn = pkgs.lib.mkOverrideTemplate 50 {} "";
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nixpkgs.config = {
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platform = pkgs.platforms.sheevaplug;
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};
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}
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