154 lines
4.5 KiB
Nix
154 lines
4.5 KiB
Nix
{ pkgs ? import <nixpkgs> {}
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, lib ? pkgs.lib
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, diskImageSize ? "22G"
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, qemuMem ? "4G"
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, windowsImage ? null
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, autoUnattendParams ? {}
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, packages ? []
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, impureMode ? false
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, ...
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}@attrs:
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let
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# qemu_test is a smaller closure only building for a single system arch
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qemu = pkgs.qemu_test;
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libguestfs = pkgs.libguestfs-with-appliance.override {
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inherit qemu;
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};
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runQemuCommand = name: command: (
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pkgs.runCommandNoCC name { buildInputs = [ pkgs.p7zip qemu libguestfs ]; }
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(
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''
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if ! test -f; then
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echo "KVM not available, bailing out" >> /dev/stderr
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exit 1
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fi
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'' + command
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)
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);
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windowsIso = if windowsImage != null then windowsImage else pkgs.fetchurl {
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url = "https://software-download.microsoft.com/download/sg/17763.107.101029-1455.rs5_release_svc_refresh_CLIENT_LTSC_EVAL_x64FRE_en-us.iso";
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sha256 = "668fe1af70c2f7416328aee3a0bb066b12dc6bbd2576f40f812b95741e18bc3a";
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};
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autounattend = import ./autounattend.nix (
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attrs // {
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inherit pkgs;
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}
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);
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bundleInstaller = pkgs.callPackage ./bundle {};
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# Packages required to drive installation of other packages
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bootstrapPkgs = let
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winPkgs = import ./pkgs.nix { inherit pkgs; };
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# Get updates from https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/
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virtioWin = winPkgs.makeMSIPkg {
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name = "virtio-win";
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cert = ./redhat-cert.cer;
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msi = pkgs.fetchurl {
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url = "https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.173-2/virtio-win-gt-x64.msi";
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sha256 = "0gmxw45fh22kxil1h2d42gxsri9diqfl7rdsxw2r261vvxrmrlq2";
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};
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ADDLOCAL = [
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"FE_balloon_driver"
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"FE_network_driver"
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"FE_pvpanic_driver"
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"FE_qemufwcfg_driver"
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"FE_qemupciserial_driver"
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"FE_qxl_driver"
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"FE_spice_driver"
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"FE_viorng_driver"
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"FE_vioscsi_driver"
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"FE_vioserial_driver"
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"FE_viostor_driver"
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];
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};
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autohotkey = winPkgs.makePkg {
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name = "autohotkey";
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src = pkgs.fetchurl {
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url = "https://www.autohotkey.com/download/1.0/AutoHotkey104805_Install.exe";
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sha256 = "1f87w9g7f7dr0fq212vmg3zmabxw2013cf2i85zxdllyqbkw64a3";
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};
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installScript = ''
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.\AutoHotkey104805_Install.exe /S
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'';
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};
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in
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runQemuCommand "bootstrap-win-pkgs.img" ''
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mkdir pkgs
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mkdir pkgs/bootstrap
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mkdir pkgs/user
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cp ${autohotkey} pkgs/bootstrap/"$(stripHash "${autohotkey}")"
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cp ${bundleInstaller} pkgs/"$(stripHash "${bundleInstaller}")"
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${lib.concatStringsSep "\n" (builtins.map (x: ''cp ${x} pkgs/bootstrap/"$(stripHash "${x}")"'') packages)}
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virt-make-fs --partition --type=fat pkgs/ $out
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'';
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installScript = pkgs.writeScript "windows-install-script" (
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let
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qemuParams = [
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"-enable-kvm"
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"-cpu"
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"host"
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"-smp"
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"$NIX_BUILD_CORES"
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"-m"
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"${qemuMem}"
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"-bios"
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"${pkgs.OVMF.fd}/FV/OVMF.fd"
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"-vga"
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"virtio"
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"-device"
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"piix3-usb-uhci" # USB root hub
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# USB boot
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"-drive"
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"id=win-install,file=usbimage.img,if=none,format=raw,readonly=on"
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"-device"
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"usb-storage,drive=win-install"
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# Output image
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"-drive"
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"file=c.img,index=0,media=disk,cache=unsafe"
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# "CD" drive with bootstrap pkgs
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"-drive"
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"id=virtio-win,file=${bootstrapPkgs},if=none,format=raw,readonly=on"
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"-device"
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"usb-storage,drive=virtio-win"
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] ++ lib.optional (!impureMode) "-nographic";
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in
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''
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#!${pkgs.runtimeShell}
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set -exuo pipefail
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export PATH=${lib.makeBinPath [ pkgs.p7zip qemu libguestfs ]}:$PATH
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# Create a bootable "USB" image
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# Booting in USB mode circumvents the "press any key to boot from cdrom" prompt
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#
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# Also embed the autounattend answer file in this image
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mkdir -p win
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mkdir -p win/nix-win
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7z x -y ${windowsIso} -owin
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cp ${autounattend} win/autounattend.xml
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virt-make-fs --partition --type=fat win/ usbimage.img
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rm -rf win
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# Qemu requires files to be rw
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qemu-img create -f qcow2 c.img ${diskImageSize}
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env NIX_BUILD_CORES="''${NIX_BUILD_CORES:4}" qemu-system-x86_64 ${lib.concatStringsSep " " qemuParams}
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''
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);
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in
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if impureMode then installScript else pkgs.runCommandNoCC "windows.img" {} ''
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${installScript}
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mv c.img $out
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''
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