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e2702f5aee
Building a python environment with python3Minimal requires hydra to bootstrap pip and build all packages used in the environment which would otherwise not be built. This reduces cache re-use and duplicates things. Also common dependencies normally included in python itself are not properly checked and can cause hard to debug errors because everyone just assumes those modules are there.
134 lines
3.8 KiB
Nix
134 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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${e2fsprogs}/bin/mkfs.ext4 -O '^metadata_csum_seed' /dev/vda1
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${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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bintools
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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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kbd
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kbd.dev
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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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python3
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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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