130 lines
3.8 KiB
Nix
130 lines
3.8 KiB
Nix
import ./make-test-python.nix ({pkgs, lib, ...}:
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let
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# A filesystem image with a (presumably) bootable debian
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debianImage = pkgs.vmTools.diskImageFuns.debian11i386 {
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# os-prober cannot detect systems installed on disks without a partition table
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# so we create the disk ourselves
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createRootFS = with pkgs; ''
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${parted}/bin/parted --script /dev/vda mklabel msdos
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${parted}/sbin/parted --script /dev/vda -- mkpart primary ext2 1M -1s
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mkdir /mnt
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${e2fsprogs}/bin/mkfs.ext4 /dev/vda1
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${util-linux}/bin/mount -t ext4 /dev/vda1 /mnt
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if test -e /mnt/.debug; then
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exec ${bash}/bin/sh
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fi
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touch /mnt/.debug
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mkdir /mnt/proc /mnt/dev /mnt/sys
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'';
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extraPackages = [
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# /etc/os-release
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"base-files"
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# make the disk bootable-looking
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"grub2" "linux-image-686"
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];
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# install grub
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postInstall = ''
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ln -sf /proc/self/mounts > /etc/mtab
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PATH=/usr/bin:/bin:/usr/sbin:/sbin $chroot /mnt \
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grub-install /dev/vda --force
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PATH=/usr/bin:/bin:/usr/sbin:/sbin $chroot /mnt \
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update-grub
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'';
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};
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# a part of the configuration of the test vm
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simpleConfig = {
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boot.loader.grub = {
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enable = true;
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useOSProber = true;
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device = "/dev/vda";
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# vda is a filesystem without partition table
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forceInstall = true;
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};
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nix.settings = {
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substituters = lib.mkForce [];
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hashed-mirrors = null;
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connect-timeout = 1;
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};
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# save some memory
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documentation.enable = false;
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};
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# /etc/nixos/configuration.nix for the vm
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configFile = pkgs.writeText "configuration.nix" ''
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{config, pkgs, lib, ...}: ({
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imports =
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[ ./hardware-configuration.nix
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<nixpkgs/nixos/modules/testing/test-instrumentation.nix>
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];
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} // lib.importJSON ${
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pkgs.writeText "simpleConfig.json" (builtins.toJSON simpleConfig)
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})
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'';
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in {
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name = "os-prober";
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nodes.machine = { config, pkgs, ... }: (simpleConfig // {
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imports = [ ../modules/profiles/installation-device.nix
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../modules/profiles/base.nix ];
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virtualisation.memorySize = 1300;
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# To add the secondary disk:
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virtualisation.qemu.options = [ "-drive index=2,file=${debianImage}/disk-image.qcow2,read-only,if=virtio" ];
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# The test cannot access the network, so any packages
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# nixos-rebuild needs must be included in the VM.
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system.extraDependencies = with pkgs;
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[
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brotli
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brotli.dev
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brotli.lib
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desktop-file-utils
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docbook5
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docbook_xsl_ns
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grub2
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kmod.dev
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libarchive
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libarchive.dev
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libxml2.bin
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libxslt.bin
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nixos-artwork.wallpapers.simple-dark-gray-bottom
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ntp
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perlPackages.ListCompare
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perlPackages.XMLLibXML
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python3Minimal
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shared-mime-info
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stdenv
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sudo
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texinfo
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unionfs-fuse
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xorg.lndir
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# add curl so that rather than seeing the test attempt to download
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# curl's tarball, we see what it's trying to download
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curl
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];
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});
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testScript = ''
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machine.start()
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machine.succeed("udevadm settle")
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machine.wait_for_unit("multi-user.target")
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print(machine.succeed("lsblk"))
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# check that os-prober works standalone
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machine.succeed(
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"${pkgs.os-prober}/bin/os-prober | grep /dev/vdb1"
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)
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# rebuild and test that debian is available in the grub menu
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machine.succeed("nixos-generate-config")
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machine.copy_from_host(
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"${configFile}",
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"/etc/nixos/configuration.nix",
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)
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machine.succeed("nixos-rebuild boot --show-trace >&2")
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machine.succeed("egrep 'menuentry.*debian' /boot/grub/grub.cfg")
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'';
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})
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