29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
116 lines
4.1 KiB
Nix
116 lines
4.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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{
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system.build.virtualBoxImage =
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pkgs.vmTools.runInLinuxVM (
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pkgs.runCommand "virtualbox-image"
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{ memSize = 768;
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preVM =
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''
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mkdir $out
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diskImage=$out/image
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${pkgs.vmTools.qemu}/bin/qemu-img create -f raw $diskImage "10G"
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mv closure xchg/
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'';
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postVM =
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''
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echo "creating VirtualBox disk image..."
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${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -O vdi $diskImage $out/disk.vdi
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rm $diskImage
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'';
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buildInputs = [ pkgs.utillinux pkgs.perl ];
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exportReferencesGraph =
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[ "closure" config.system.build.toplevel ];
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}
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''
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# Create a single / partition.
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${pkgs.parted}/sbin/parted /dev/vda mklabel msdos
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${pkgs.parted}/sbin/parted /dev/vda -- mkpart primary ext2 1M -1s
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. /sys/class/block/vda1/uevent
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mknod /dev/vda1 b $MAJOR $MINOR
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# Create an empty filesystem and mount it.
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${pkgs.e2fsprogs}/sbin/mkfs.ext4 -L nixos /dev/vda1
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${pkgs.e2fsprogs}/sbin/tune2fs -c 0 -i 0 /dev/vda1
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mkdir /mnt
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mount /dev/vda1 /mnt
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# The initrd expects these directories to exist.
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mkdir /mnt/dev /mnt/proc /mnt/sys
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mount --bind /proc /mnt/proc
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mount --bind /dev /mnt/dev
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mount --bind /sys /mnt/sys
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# Copy all paths in the closure to the filesystem.
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storePaths=$(perl ${pkgs.pathsFromGraph} /tmp/xchg/closure)
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echo "filling Nix store..."
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mkdir -p /mnt/nix/store
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set -f
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cp -prd $storePaths /mnt/nix/store/
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# Register the paths in the Nix database.
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printRegistration=1 perl ${pkgs.pathsFromGraph} /tmp/xchg/closure | \
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chroot /mnt ${config.nix.package}/bin/nix-store --load-db
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# Create the system profile to allow nixos-rebuild to work.
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chroot /mnt ${config.nix.package}/bin/nix-env \
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-p /nix/var/nix/profiles/system --set ${config.system.build.toplevel}
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# `nixos-rebuild' requires an /etc/NIXOS.
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mkdir -p /mnt/etc/nixos
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touch /mnt/etc/NIXOS
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# `switch-to-configuration' requires a /bin/sh
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mkdir -p /mnt/bin
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ln -s ${config.system.build.binsh}/bin/sh /mnt/bin/sh
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# Generate the GRUB menu.
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ln -s vda /dev/sda
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chroot /mnt ${config.system.build.toplevel}/bin/switch-to-configuration boot
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umount /mnt/proc /mnt/dev /mnt/sys
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umount /mnt
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''
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);
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system.build.virtualBoxOVA = pkgs.runCommand "virtualbox-ova"
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{ buildInputs = [ pkgs.linuxPackages.virtualbox ];
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vmName = "NixOS ${config.system.nixosVersion} (${pkgs.stdenv.system})";
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fileName = "nixos-${config.system.nixosVersion}-${pkgs.stdenv.system}.ova";
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}
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''
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echo "creating VirtualBox VM..."
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export HOME=$PWD
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VBoxManage createvm --name "$vmName" --register \
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--ostype ${if pkgs.stdenv.system == "x86_64-linux" then "Linux26_64" else "Linux26"}
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VBoxManage modifyvm "$vmName" \
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--memory 1536 --acpi on --vram 10 \
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--nictype1 virtio --nic1 nat \
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--audiocontroller ac97 --audio alsa \
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--rtcuseutc on \
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--usb on --mouse usbtablet
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VBoxManage storagectl "$vmName" --name SATA --add sata --portcount 4 --bootable on --hostiocache on
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VBoxManage storageattach "$vmName" --storagectl SATA --port 0 --device 0 --type hdd \
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--medium ${config.system.build.virtualBoxImage}/disk.vdi
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echo "exporting VirtualBox VM..."
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mkdir -p $out
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VBoxManage export "$vmName" --output "$out/$fileName"
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'';
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fileSystems."/".device = "/dev/disk/by-label/nixos";
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boot.loader.grub.version = 2;
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boot.loader.grub.device = "/dev/sda";
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services.virtualbox.enable = true;
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# Prevent logging in as root without a password. For NixOps, we
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# don't need this because the user can login via SSH, and for the
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# demo images, there is a demo user account that can sudo to root.
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security.initialRootPassword = mkDefault "!";
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}
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