256 lines
7.7 KiB
Nix
256 lines
7.7 KiB
Nix
# This module contains the basic configuration for building a NixOS
|
|
# installation CD.
|
|
|
|
{ config, pkgs, ... }:
|
|
|
|
with pkgs.lib;
|
|
|
|
let
|
|
|
|
options = {
|
|
|
|
system.nixosVersion = mkOption {
|
|
default = "${builtins.readFile ../../../VERSION}";
|
|
description = ''
|
|
NixOS version number.
|
|
'';
|
|
};
|
|
|
|
installer.configModule = mkOption {
|
|
example = "./nixos/modules/installer/cd-dvd/installation-cd.nix";
|
|
description = ''
|
|
Filename of the configuration module that builds the CD
|
|
configuration. Must be specified to support reconfiguration
|
|
in live CDs.
|
|
'';
|
|
};
|
|
|
|
installer.basePackages = mkOption {
|
|
description = ''
|
|
The list of base packages available in the system profile of the
|
|
installation CD. Note that modules such as
|
|
<literal>installation-cd-graphical.nix</literal> add
|
|
packages to this list.
|
|
'';
|
|
|
|
default =
|
|
[ pkgs.subversion # for nixos-checkout
|
|
pkgs.w3m # needed for the manual anyway
|
|
pkgs.testdisk # useful for repairing boot problems
|
|
pkgs.mssys # for writing Microsoft boot sectors / MBRs
|
|
pkgs.parted
|
|
pkgs.ddrescue
|
|
pkgs.ccrypt
|
|
pkgs.cryptsetup # needed for dm-crypt volumes
|
|
|
|
# Some networking tools.
|
|
pkgs.sshfsFuse
|
|
pkgs.socat
|
|
pkgs.screen
|
|
|
|
# Hardware-related tools.
|
|
pkgs.sdparm
|
|
pkgs.hdparm
|
|
pkgs.dmraid
|
|
|
|
# Tools to create / manipulate filesystems.
|
|
pkgs.ntfsprogs # for resizing NTFS partitions
|
|
pkgs.btrfsProgs
|
|
pkgs.dosfstools
|
|
pkgs.xfsprogs
|
|
pkgs.jfsutils
|
|
pkgs.jfsrec
|
|
|
|
# Some compression/archiver tools.
|
|
pkgs.unrar
|
|
pkgs.unzip
|
|
pkgs.zip
|
|
pkgs.xz
|
|
pkgs.dar # disk archiver
|
|
|
|
# Some editors.
|
|
pkgs.nvi
|
|
pkgs.bvi # binary editor
|
|
pkgs.joe
|
|
];
|
|
};
|
|
};
|
|
|
|
|
|
# We need a copy of the Nix expressions for Nixpkgs and NixOS on the
|
|
# CD. We put them in a tarball because accessing that many small
|
|
# files from a slow device like a CD-ROM takes too long. !!! Once
|
|
# we use squashfs, maybe we won't need this anymore.
|
|
makeTarball = tarName: input: pkgs.runCommand "tarball" {inherit tarName;}
|
|
''
|
|
ensureDir $out
|
|
(cd ${input} && tar cvfj $out/${tarName} . \
|
|
--exclude '*~' --exclude 'result')
|
|
'';
|
|
|
|
# Put the current directory in a tarball.
|
|
nixosTarball = makeTarball "nixos.tar.bz2" (cleanSource ../../..);
|
|
|
|
# Put Nixpkgs in a tarball.
|
|
nixpkgsTarball = makeTarball "nixpkgs.tar.bz2" (cleanSource pkgs.path);
|
|
|
|
includeSources = true;
|
|
|
|
|
|
# A dummy /etc/nixos/configuration.nix in the booted CD that
|
|
# rebuilds the CD's configuration (and allows the configuration to
|
|
# be modified, of course, providing a true live CD). Problem is
|
|
# that we don't really know how the CD was built - the Nix
|
|
# expression language doesn't allow us to query the expression being
|
|
# evaluated. So we'll just hope for the best.
|
|
dummyConfiguration = pkgs.writeText "configuration.nix"
|
|
''
|
|
{config, pkgs, ...}:
|
|
|
|
{
|
|
require = [${config.installer.configModule}];
|
|
|
|
# Add your own options below and run "nixos-rebuild switch".
|
|
# E.g.,
|
|
# services.openssh.enable = true;
|
|
}
|
|
'';
|
|
|
|
|
|
in
|
|
|
|
{
|
|
require =
|
|
[ options
|
|
./memtest.nix
|
|
./iso-image.nix
|
|
../../hardware/network/intel-3945abg.nix
|
|
../../hardware/network/rt73.nix
|
|
];
|
|
|
|
# ISO naming.
|
|
isoImage.isoName = "nixos-${config.system.nixosVersion}-${pkgs.stdenv.system}.iso";
|
|
|
|
isoImage.volumeID = "NIXOS_INSTALL_CD_${config.system.nixosVersion}";
|
|
|
|
# Show the manual.
|
|
services.nixosManual.showManual = true;
|
|
|
|
# Let the user play Rogue on TTY 8 during the installation.
|
|
services.rogue.enable = true;
|
|
|
|
# Disable some other stuff we don't need.
|
|
security.sudo.enable = false;
|
|
|
|
# Include only the en_US locale. This saves 75 MiB or so compared to
|
|
# the full glibcLocales package.
|
|
i18n.supportedLocales = ["en_US.UTF-8/UTF-8" "en_US/ISO-8859-1"];
|
|
|
|
# Include some utilities that are useful for installing or repairing
|
|
# the system.
|
|
environment.systemPackages = config.installer.basePackages;
|
|
|
|
# The initrd has to contain any module that might be necessary for
|
|
# mounting the CD/DVD.
|
|
boot.initrd.availableKernelModules =
|
|
[ # SATA/PATA support.
|
|
"ahci"
|
|
|
|
"ata_piix"
|
|
|
|
"sata_inic162x" "sata_nv" "sata_promise" "sata_qstor"
|
|
"sata_sil" "sata_sil24" "sata_sis" "sata_svw" "sata_sx4"
|
|
"sata_uli" "sata_via" "sata_vsc"
|
|
|
|
"pata_ali" "pata_amd" "pata_artop" "pata_atiixp"
|
|
"pata_cs5520" "pata_cs5530" "pata_cs5535" "pata_efar"
|
|
"pata_hpt366" "pata_hpt37x" "pata_hpt3x2n" "pata_hpt3x3"
|
|
"pata_it8213" "pata_it821x" "pata_jmicron" "pata_marvell"
|
|
"pata_mpiix" "pata_netcell" "pata_ns87410" "pata_oldpiix"
|
|
"pata_pcmcia" "pata_pdc2027x" "pata_qdi" "pata_rz1000"
|
|
"pata_sc1200" "pata_serverworks" "pata_sil680" "pata_sis"
|
|
"pata_sl82c105" "pata_triflex" "pata_via"
|
|
"pata_winbond"
|
|
|
|
# SCSI support (incomplete).
|
|
"3w-9xxx" "3w-xxxx" "aic79xx" "aic7xxx" "arcmsr"
|
|
|
|
# USB support, especially for booting from USB CD-ROM
|
|
# drives.
|
|
"usb_storage"
|
|
|
|
# Firewire support. Not tested.
|
|
"ohci1394" "sbp2"
|
|
|
|
# Virtio (QEMU, KVM etc.) support.
|
|
"virtio_net" "virtio_pci" "virtio_blk" "virtio_balloon"
|
|
|
|
# Add vfat to enable people to copy the contents of the CD to a
|
|
# bootable USB stick.
|
|
"vfat" "nls_cp437" "nls_iso8859-1"
|
|
];
|
|
|
|
boot.initrd.kernelModules =
|
|
[ # Wait for SCSI devices to appear.
|
|
"scsi_wait_scan"
|
|
];
|
|
|
|
# nixos-install will do a pull from this channel to speed up the
|
|
# installation.
|
|
installer.nixpkgsURL = http://nixos.org/releases/nixpkgs/channels/nixpkgs-unstable;
|
|
|
|
boot.postBootCommands =
|
|
''
|
|
export PATH=${pkgs.gnutar}/bin:${pkgs.bzip2}/bin:$PATH
|
|
|
|
# Provide a mount point for nixos-install.
|
|
mkdir -p /mnt
|
|
|
|
# Provide the NixOS/Nixpkgs sources in /etc/nixos. This is required
|
|
# for nixos-install.
|
|
${optionalString includeSources ''
|
|
echo "unpacking the NixOS/Nixpkgs sources..."
|
|
mkdir -p /etc/nixos/nixos
|
|
tar xjf ${nixosTarball}/nixos.tar.bz2 -C /etc/nixos/nixos
|
|
mkdir -p /etc/nixos/nixpkgs
|
|
tar xjf ${nixpkgsTarball}/nixpkgs.tar.bz2 -C /etc/nixos/nixpkgs
|
|
chown -R root.root /etc/nixos
|
|
''}
|
|
|
|
# Provide a configuration for the CD/DVD itself, to allow users
|
|
# to run nixos-rebuild to change the configuration of the
|
|
# running system on the CD/DVD.
|
|
cp ${dummyConfiguration} /etc/nixos/configuration.nix
|
|
'';
|
|
|
|
# Some more help text.
|
|
services.mingetty.helpLine =
|
|
''
|
|
|
|
Log in as "root" with an empty password. ${
|
|
if config.services.xserver.enable then
|
|
"Type `start xserver' to start\nthe graphical user interface."
|
|
else ""
|
|
}
|
|
'';
|
|
|
|
# Include the firmware for various wireless cards.
|
|
networking.enableRT73Firmware = true;
|
|
networking.enableIntel2200BGFirmware = true;
|
|
networking.enableIntel3945ABGFirmware = true;
|
|
|
|
# To speed up installation a little bit, include the complete stdenv
|
|
# in the Nix store on the CD.
|
|
isoImage.storeContents = [ pkgs.stdenv pkgs.klibc pkgs.klibcShrunk ];
|
|
|
|
# Allow sshd to be started manually through "start sshd". It should
|
|
# not be started by default on the installation CD because the
|
|
# default root password is empty.
|
|
services.openssh.enable = true;
|
|
jobs.sshd.startOn = pkgs.lib.mkOverride 50 {} "";
|
|
|
|
# Enable wpa_supplicant, but don't start it by default.
|
|
networking.enableWLAN = true;
|
|
jobs.wpa_supplicant.startOn = pkgs.lib.mkOverride 50 {} "";
|
|
}
|