# This module contains the basic configuration for building a NixOS # tarball, that can directly boot, maybe using PXE or unpacking on a fs. { config, lib, pkgs, ... }: with lib; let pkgs2storeContents = l : map (x: { object = x; symlink = "none"; }) l; # For PXE kernel loading pxeconfig = pkgs.writeText "pxeconfig-default" '' default menu.c32 prompt 0 label bootlocal menu default localboot 0 timeout 80 TOTALTIMEOUT 9000 label nixos MENU LABEL ^NixOS using nfsroot KERNEL bzImage append ip=dhcp nfsroot=/home/pcroot init=${config.system.build.toplevel}/init rw # I don't know how to make this boot with nfsroot (using the initrd) label nixos_initrd MENU LABEL NixOS booting the poor ^initrd. KERNEL bzImage append initrd=initrd ip=dhcp nfsroot=/home/pcroot init=${config.system.build.toplevel}/init rw label memtest MENU LABEL ^${pkgs.memtest86.name} KERNEL memtest ''; dhcpdExampleConfig = pkgs.writeText "dhcpd.conf-example" '' # Example configuration for booting PXE. allow booting; allow bootp; # Adapt this to your network configuration. option domain-name "local"; option subnet-mask 255.255.255.0; option broadcast-address 192.168.1.255; option domain-name-servers 192.168.1.1; option routers 192.168.1.1; # PXE-specific configuration directives... # Some BIOS don't accept slashes for paths inside the tftp servers, # and will report Access Violation if they see slashes. filename "pxelinux.0"; # For the TFTP and NFS root server. Set the IP of your server. next-server 192.168.1.34; subnet 192.168.1.0 netmask 255.255.255.0 { range 192.168.1.50 192.168.1.55; } ''; readme = ./system-tarball-pc-readme.txt; in { imports = [ ./system-tarball.nix # Profiles of this basic installation. ../../profiles/all-hardware.nix ../../profiles/base.nix ../../profiles/installation-device.nix ]; # To speed up further installation of packages, include the complete stdenv # in the Nix store of the tarball. tarball.storeContents = pkgs2storeContents [ pkgs.stdenv ]; tarball.contents = [ { source = config.boot.kernelPackages.kernel + "/" + config.system.boot.loader.kernelFile; target = "/boot/" + config.system.boot.loader.kernelFile; } { source = "${pkgs.syslinux}/share/syslinux/pxelinux.0"; target = "/boot/pxelinux.0"; } { source = "${pkgs.syslinux}/share/syslinux/menu.c32"; target = "/boot/menu.c32"; } { source = pxeconfig; target = "/boot/pxelinux.cfg/default"; } { source = readme; target = "/readme.txt"; } { source = dhcpdExampleConfig; target = "/boot/dhcpd.conf-example"; } { source = "${pkgs.memtest86}/memtest.bin"; # We can't leave '.bin', because pxelinux interprets this specially, # and it would not load the image fine. # http://forum.canardpc.com/threads/46464-0104-when-launched-via-pxe target = "/boot/memtest"; } ]; # 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; systemd.services.openssh.wantedBy = lib.mkOverride 50 []; # To be able to use the systemTarball to catch troubles. boot.crashDump = { enable = true; kernelPackages = pkgs.linuxPackages_3_4; }; # No grub for the tarball. boot.loader.grub.enable = false; /* fake entry, just to have a happy stage-1. Users may boot without having stage-1 though */ fileSystems.fake = { mountPoint = "/"; device = "/dev/something"; }; nixpkgs.config = { packageOverrides = p: { linux_3_4 = p.linux_3_4.override { extraConfig = '' # Enable drivers in kernel for most NICs. E1000 y # E1000E y # ATH5K y 8139TOO y NE2K_PCI y ATL1 y ATL1E y ATL1C y VORTEX y VIA_RHINE y R8169 y # Enable nfs root boot UNIX y # http://www.linux-mips.org/archives/linux-mips/2006-11/msg00113.html IP_PNP y IP_PNP_DHCP y FSCACHE y NFS_FS y NFS_FSCACHE y ROOT_NFS y # Enable devtmpfs DEVTMPFS y DEVTMPFS_MOUNT y ''; }; }; }; }