nixpkgs/nixos/tests/installer.nix

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{ system ? builtins.currentSystem,
config ? {},
pkgs ? import ../.. { inherit system config; },
systemdStage1 ? false
}:
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with import ../lib/testing-python.nix { inherit system pkgs; };
with pkgs.lib;
let
# The configuration to install.
makeConfig = { bootLoader, grubVersion, grubDevice, grubIdentifier, grubUseEfi
, extraConfig, forceGrubReinstallCount ? 0
}:
pkgs.writeText "configuration.nix" ''
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{ config, lib, pkgs, modulesPath, ... }:
{ imports =
[ ./hardware-configuration.nix
<nixpkgs/nixos/modules/testing/test-instrumentation.nix>
];
# To ensure that we can rebuild the grub configuration on the nixos-rebuild
system.extraDependencies = with pkgs; [ stdenvNoCC ];
${optionalString systemdStage1 "boot.initrd.systemd.enable = true;"}
${optionalString (bootLoader == "grub") ''
boot.loader.grub.version = ${toString grubVersion};
${optionalString (grubVersion == 1) ''
boot.loader.grub.splashImage = null;
''}
boot.loader.grub.extraConfig = "serial; terminal_output serial";
${if grubUseEfi then ''
boot.loader.grub.device = "nodev";
boot.loader.grub.efiSupport = true;
boot.loader.grub.efiInstallAsRemovable = true; # XXX: needed for OVMF?
'' else ''
boot.loader.grub.device = "${grubDevice}";
boot.loader.grub.fsIdentifier = "${grubIdentifier}";
''}
boot.loader.grub.configurationLimit = 100 + ${toString forceGrubReinstallCount};
''}
${optionalString (bootLoader == "systemd-boot") ''
boot.loader.systemd-boot.enable = true;
''}
users.users.alice = {
isNormalUser = true;
home = "/home/alice";
description = "Alice Foobar";
};
hardware.enableAllFirmware = lib.mkForce false;
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${replaceChars ["\n"] ["\n "] extraConfig}
}
'';
# The test script boots a NixOS VM, installs NixOS on an empty hard
# disk, and then reboot from the hard disk. It's parameterized with
# a test script fragment `createPartitions', which must create
# partitions and filesystems.
testScriptFun = { bootLoader, createPartitions, grubVersion, grubDevice, grubUseEfi
, grubIdentifier, preBootCommands, postBootCommands, extraConfig
, testSpecialisationConfig
}:
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let iface = if grubVersion == 1 then "ide" else "virtio";
isEfi = bootLoader == "systemd-boot" || (bootLoader == "grub" && grubUseEfi);
bios = if pkgs.stdenv.isAarch64 then "QEMU_EFI.fd" else "OVMF.fd";
in if !isEfi && !pkgs.stdenv.hostPlatform.isx86 then
throw "Non-EFI boot methods are only supported on i686 / x86_64"
else ''
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def assemble_qemu_flags():
flags = "-cpu max"
${if (system == "x86_64-linux" || system == "i686-linux")
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then ''flags += " -m 1024"''
else ''flags += " -m 768 -enable-kvm -machine virt,gic-version=host"''
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}
return flags
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qemu_flags = {"qemuFlags": assemble_qemu_flags()}
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hd_flags = {
"hdaInterface": "${iface}",
"hda": "vm-state-machine/machine.qcow2",
}
${optionalString isEfi ''
hd_flags.update(
bios="${pkgs.OVMF.fd}/FV/${bios}"
)''
}
default_flags = {**hd_flags, **qemu_flags}
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def create_machine_named(name):
return create_machine({**default_flags, "name": name})
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machine.start()
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with subtest("Assert readiness of login prompt"):
machine.succeed("echo hello")
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with subtest("Wait for hard disks to appear in /dev"):
machine.succeed("udevadm settle")
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${createPartitions}
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with subtest("Create the NixOS configuration"):
machine.succeed("nixos-generate-config --root /mnt")
machine.succeed("cat /mnt/etc/nixos/hardware-configuration.nix >&2")
machine.copy_from_host(
"${ makeConfig {
inherit bootLoader grubVersion grubDevice grubIdentifier
grubUseEfi extraConfig;
}
}",
"/mnt/etc/nixos/configuration.nix",
)
with subtest("Perform the installation"):
machine.succeed("nixos-install < /dev/null >&2")
with subtest("Do it again to make sure it's idempotent"):
machine.succeed("nixos-install < /dev/null >&2")
with subtest("Shutdown system after installation"):
machine.succeed("umount /mnt/boot || true")
machine.succeed("umount /mnt")
machine.succeed("sync")
machine.shutdown()
# Now see if we can boot the installation.
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machine = create_machine_named("boot-after-install")
# For example to enter LUKS passphrase.
${preBootCommands}
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with subtest("Assert that /boot get mounted"):
machine.wait_for_unit("local-fs.target")
${if bootLoader == "grub"
then ''machine.succeed("test -e /boot/grub")''
else ''machine.succeed("test -e /boot/loader/loader.conf")''
}
with subtest("Check whether /root has correct permissions"):
assert "700" in machine.succeed("stat -c '%a' /root")
with subtest("Assert swap device got activated"):
# uncomment once https://bugs.freedesktop.org/show_bug.cgi?id=86930 is resolved
machine.wait_for_unit("swap.target")
machine.succeed("cat /proc/swaps | grep -q /dev")
with subtest("Check that the store is in good shape"):
machine.succeed("nix-store --verify --check-contents >&2")
with subtest("Check whether the channel works"):
machine.succeed("nix-env -iA nixos.procps >&2")
assert ".nix-profile" in machine.succeed("type -tP ps | tee /dev/stderr")
with subtest(
"Check that the daemon works, and that non-root users can run builds "
"(this will build a new profile generation through the daemon)"
):
machine.succeed("su alice -l -c 'nix-env -iA nixos.procps' >&2")
with subtest("Configure system with writable Nix store on next boot"):
# we're not using copy_from_host here because the installer image
# doesn't know about the host-guest sharing mechanism.
machine.copy_from_host_via_shell(
"${ makeConfig {
inherit bootLoader grubVersion grubDevice grubIdentifier
grubUseEfi extraConfig;
forceGrubReinstallCount = 1;
}
}",
"/etc/nixos/configuration.nix",
)
with subtest("Check whether nixos-rebuild works"):
machine.succeed("nixos-rebuild switch >&2")
# FIXME: Nix 2.4 broke nixos-option, someone has to fix it.
# with subtest("Test nixos-option"):
# kernel_modules = machine.succeed("nixos-option boot.initrd.kernelModules")
# assert "virtio_console" in kernel_modules
# assert "List of modules" in kernel_modules
# assert "qemu-guest.nix" in kernel_modules
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machine.shutdown()
# Check whether a writable store build works
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machine = create_machine_named("rebuild-switch")
${preBootCommands}
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machine.wait_for_unit("multi-user.target")
# we're not using copy_from_host here because the installer image
# doesn't know about the host-guest sharing mechanism.
machine.copy_from_host_via_shell(
"${ makeConfig {
inherit bootLoader grubVersion grubDevice grubIdentifier
grubUseEfi extraConfig;
forceGrubReinstallCount = 2;
}
}",
"/etc/nixos/configuration.nix",
)
machine.succeed("nixos-rebuild boot >&2")
machine.shutdown()
# And just to be sure, check that the machine still boots after
# "nixos-rebuild switch".
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machine = create_machine_named("boot-after-rebuild-switch")
${preBootCommands}
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machine.wait_for_unit("network.target")
${postBootCommands}
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machine.shutdown()
# Tests for validating clone configuration entries in grub menu
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''
+ optionalString testSpecialisationConfig ''
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# Reboot Machine
machine = create_machine_named("clone-default-config")
${preBootCommands}
machine.wait_for_unit("multi-user.target")
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with subtest("Booted configuration name should be 'Home'"):
# This is not the name that shows in the grub menu.
# The default configuration is always shown as "Default"
machine.succeed("cat /run/booted-system/configuration-name >&2")
assert "Home" in machine.succeed("cat /run/booted-system/configuration-name")
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with subtest("We should **not** find a file named /etc/gitconfig"):
machine.fail("test -e /etc/gitconfig")
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with subtest("Set grub to boot the second configuration"):
machine.succeed("grub-reboot 1")
${postBootCommands}
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machine.shutdown()
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# Reboot Machine
machine = create_machine_named("clone-alternate-config")
${preBootCommands}
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machine.wait_for_unit("multi-user.target")
with subtest("Booted configuration name should be Work"):
machine.succeed("cat /run/booted-system/configuration-name >&2")
assert "Work" in machine.succeed("cat /run/booted-system/configuration-name")
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with subtest("We should find a file named /etc/gitconfig"):
machine.succeed("test -e /etc/gitconfig")
${postBootCommands}
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machine.shutdown()
'';
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makeInstallerTest = name:
{ createPartitions, preBootCommands ? "", postBootCommands ? "", extraConfig ? ""
, extraInstallerConfig ? {}
, bootLoader ? "grub" # either "grub" or "systemd-boot"
, grubVersion ? 2, grubDevice ? "/dev/vda", grubIdentifier ? "uuid", grubUseEfi ? false
, enableOCR ? false, meta ? {}
, testSpecialisationConfig ? false
}:
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makeTest {
inherit enableOCR;
name = "installer-" + name;
meta = with pkgs.lib.maintainers; {
# put global maintainers here, individuals go into makeInstallerTest fkt call
maintainers = (meta.maintainers or []);
};
nodes = {
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# The configuration of the machine used to run "nixos-install".
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machine = { pkgs, ... }: {
imports = [
../modules/profiles/installation-device.nix
../modules/profiles/base.nix
extraInstallerConfig
];
# builds stuff in the VM, needs more juice
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virtualisation.diskSize = 8 * 1024;
virtualisation.cores = 8;
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virtualisation.memorySize = 1536;
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boot.initrd.systemd.enable = systemdStage1;
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# Use a small /dev/vdb as the root disk for the
# installer. This ensures the target disk (/dev/vda) is
# the same during and after installation.
virtualisation.emptyDiskImages = [ 512 ];
virtualisation.bootDevice =
nixosTests.installer: Fix grub1 test being unreliable The kernel sometimes assigns `/dev/sdb` to the 8GiB disk. This, in turn, means the test will fail because we're targeting the wrong disk. ``` machine # [ 0.000000] sd 2:0:0:0: [sda] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sdb] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` ``` machine # [ 0.000000] sd 2:0:0:0: [sdb] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sda] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` Note how the "sd x:0:0:0:` ID is stable. That is because QEMU **is** told to give specific identifiers to the disks. So using the dev/disk/by-id/ identifiers is stable. * * * Tested by forcing the sda/sdb swap this way: diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix index 24c55081f9a..2eee224351b 100644 --- a/nixos/tests/installer.nix +++ b/nixos/tests/installer.nix @@ -702,12 +702,19 @@ in { + " mkpart primary linux-swap 1M 1024M" + " mkpart primary ext2 1024M -1s", "udevadm settle", + ) + print(machine.succeed("find /dev/disk/ '!' -type d -printf '%p → %l\n' | sort")) + machine.succeed( "mkswap ${grubDevice}-part1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos ${grubDevice}-part2", "mount LABEL=nixos /mnt", "mkdir -p /mnt/tmp", ) + machine.succeed("echo success") + machine.succeed( + 'if [[ "$(find ${grubDevice} -printf \'%l\')" != "../../sdb" ]]; then exit 22; else true; fi' + ) ''; grubVersion = 1; # /dev/sda is not stable, even when the SCSI disk number is. And ran this way: $ until (clear; tmux clear ; time env -i nix-build nixos/release-combined.nix -A nixos.tests.installer.grub1.x86_64-linux); do echo derp; done
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if grubVersion == 1 then "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive2" else "/dev/vdb";
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virtualisation.qemu.diskInterface =
if grubVersion == 1 then "scsi" else "virtio";
# We don't want to have any networking in the guest whatsoever.
# Also, if any vlans are enabled, the guest will reboot
# (with a different configuration for legacy reasons),
# and spend 5 minutes waiting for the vlan interface to show up
# (which will never happen).
virtualisation.vlans = [];
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boot.loader.systemd-boot.enable = mkIf (bootLoader == "systemd-boot") true;
hardware.enableAllFirmware = mkForce false;
# The test cannot access the network, so any packages we
# need must be included in the VM.
system.extraDependencies = with pkgs; [
brotli
brotli.dev
brotli.lib
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desktop-file-utils
docbook5
docbook_xsl_ns
kmod.dev
libarchive.dev
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libxml2.bin
libxslt.bin
nixos-artwork.wallpapers.simple-dark-gray-bottom
ntp
perlPackages.ListCompare
perlPackages.XMLLibXML
python3Minimal
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shared-mime-info
sudo
texinfo
unionfs-fuse
xorg.lndir
# add curl so that rather than seeing the test attempt to download
# curl's tarball, we see what it's trying to download
curl
]
++ optional (bootLoader == "grub" && grubVersion == 1) pkgs.grub
++ optionals (bootLoader == "grub" && grubVersion == 2) (let
zfsSupport = lib.any (x: x == "zfs")
(extraInstallerConfig.boot.supportedFilesystems or []);
in [
(pkgs.grub2.override { inherit zfsSupport; })
(pkgs.grub2_efi.override { inherit zfsSupport; })
]);
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nixos/nix-daemon: use structural settings The `nix.*` options, apart from options for setting up the daemon itself, currently provide a lot of setting mappings for the Nix daemon configuration. The scope of the mapping yields convience, but the line where an option is considered essential is blurry. For instance, the `extra-sandbox-paths` mapping is provided without its primary consumer, and the corresponding `sandbox-paths` option is also not mapped. The current system increases the maintenance burden as maintainers have to closely follow upstream changes. In this case, there are two state versions of Nix which have to be maintained collectively, with different options avaliable. This commit aims to following the standard outlined in RFC 42[1] to implement a structural setting pattern. The Nix configuration is encoded at its core as key-value pairs which maps nicely to attribute sets, making it feasible to express in the Nix language itself. Some existing options are kept such as `buildMachines` and `registry` which present a simplified interface to managing the respective settings. The interface is exposed as `nix.settings`. Legacy configurations are mapped to their corresponding options under `nix.settings` for backwards compatibility. Various options settings in other nixos modules and relevant tests have been updated to use structural setting for consistency. The generation and validation of the configration file has been modified to use `writeTextFile` instead of `runCommand` for clarity. Note that validation is now mandatory as strict checking of options has been pushed down to the derivation level due to freeformType consuming unmatched options. Furthermore, validation can not occur when cross-compiling due to current limitations. A new option `publicHostKey` was added to the `buildMachines` submodule corresponding to the base64 encoded public host key settings exposed in the builder syntax. The build machine generation was subsequently rewritten to use `concatStringsSep` for better performance by grouping concatenations. [1] - https://github.com/NixOS/rfcs/blob/master/rfcs/0042-config-option.md
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nix.settings = {
substituters = mkForce [];
hashed-mirrors = null;
connect-timeout = 1;
};
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};
};
testScript = testScriptFun {
inherit bootLoader createPartitions preBootCommands postBootCommands
grubVersion grubDevice grubIdentifier grubUseEfi extraConfig
testSpecialisationConfig;
};
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};
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makeLuksRootTest = name: luksFormatOpts: makeInstallerTest name {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary ext2 1M 100MB" # /boot
+ " mkpart primary linux-swap 100M 1024M"
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+ " mkpart primary 1024M -1s", # LUKS
"udevadm settle",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"modprobe dm_mod dm_crypt",
"echo -n supersecret | cryptsetup luksFormat ${luksFormatOpts} -q /dev/vda3 -",
"echo -n supersecret | cryptsetup luksOpen --key-file - /dev/vda3 cryptroot",
"mkfs.ext3 -L nixos /dev/mapper/cryptroot",
"mount LABEL=nixos /mnt",
"mkfs.ext3 -L boot /dev/vda1",
"mkdir -p /mnt/boot",
"mount LABEL=boot /mnt/boot",
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)
'';
extraConfig = ''
boot.kernelParams = lib.mkAfter [ "console=tty0" ];
'';
enableOCR = true;
preBootCommands = ''
machine.start()
machine.wait_for_text("Passphrase for")
machine.send_chars("supersecret\n")
'';
};
# The (almost) simplest partitioning scheme: a swap partition and
# one big filesystem partition.
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simple-test-config = {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary linux-swap 1M 1024M"
+ " mkpart primary ext2 1024M -1s",
"udevadm settle",
"mkswap /dev/vda1 -L swap",
"swapon -L swap",
"mkfs.ext3 -L nixos /dev/vda2",
"mount LABEL=nixos /mnt",
)
'';
};
simple-uefi-grub-config = {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel gpt"
+ " mkpart ESP fat32 1M 100MiB" # /boot
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+ " set 1 boot on"
+ " mkpart primary linux-swap 100MiB 1024MiB"
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+ " mkpart primary ext2 1024MiB -1MiB", # /
"udevadm settle",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.ext3 -L nixos /dev/vda3",
"mount LABEL=nixos /mnt",
"mkfs.vfat -n BOOT /dev/vda1",
"mkdir -p /mnt/boot",
"mount LABEL=BOOT /mnt/boot",
)
'';
bootLoader = "grub";
grubUseEfi = true;
};
specialisation-test-extraconfig = {
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extraConfig = ''
environment.systemPackages = [ pkgs.grub2 ];
boot.loader.grub.configurationName = "Home";
specialisation.work.configuration = {
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boot.loader.grub.configurationName = lib.mkForce "Work";
environment.etc = {
"gitconfig".text = "
[core]
gitproxy = none for work.com
";
};
};
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'';
testSpecialisationConfig = true;
};
in {
# !!! `parted mkpart' seems to silently create overlapping partitions.
# The (almost) simplest partitioning scheme: a swap partition and
# one big filesystem partition.
simple = makeInstallerTest "simple" simple-test-config;
# Test cloned configurations with the simple grub configuration
simpleSpecialised = makeInstallerTest "simpleSpecialised" (simple-test-config // specialisation-test-extraconfig);
# Simple GPT/UEFI configuration using systemd-boot with 3 partitions: ESP, swap & root filesystem
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simpleUefiSystemdBoot = makeInstallerTest "simpleUefiSystemdBoot" {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel gpt"
+ " mkpart ESP fat32 1M 100MiB" # /boot
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+ " set 1 boot on"
+ " mkpart primary linux-swap 100MiB 1024MiB"
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+ " mkpart primary ext2 1024MiB -1MiB", # /
"udevadm settle",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.ext3 -L nixos /dev/vda3",
"mount LABEL=nixos /mnt",
"mkfs.vfat -n BOOT /dev/vda1",
"mkdir -p /mnt/boot",
"mount LABEL=BOOT /mnt/boot",
)
'';
bootLoader = "systemd-boot";
};
simpleUefiGrub = makeInstallerTest "simpleUefiGrub" simple-uefi-grub-config;
# Test cloned configurations with the uefi grub configuration
simpleUefiGrubSpecialisation = makeInstallerTest "simpleUefiGrubSpecialisation" (simple-uefi-grub-config // specialisation-test-extraconfig);
# Same as the previous, but now with a separate /boot partition.
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separateBoot = makeInstallerTest "separateBoot" {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary ext2 1M 100MB" # /boot
+ " mkpart primary linux-swap 100MB 1024M"
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+ " mkpart primary ext2 1024M -1s", # /
"udevadm settle",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.ext3 -L nixos /dev/vda3",
"mount LABEL=nixos /mnt",
"mkfs.ext3 -L boot /dev/vda1",
"mkdir -p /mnt/boot",
"mount LABEL=boot /mnt/boot",
)
'';
};
# Same as the previous, but with fat32 /boot.
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separateBootFat = makeInstallerTest "separateBootFat" {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary ext2 1M 100MB" # /boot
+ " mkpart primary linux-swap 100MB 1024M"
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+ " mkpart primary ext2 1024M -1s", # /
"udevadm settle",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.ext3 -L nixos /dev/vda3",
"mount LABEL=nixos /mnt",
"mkfs.vfat -n BOOT /dev/vda1",
"mkdir -p /mnt/boot",
"mount LABEL=BOOT /mnt/boot",
)
'';
};
# zfs on / with swap
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zfsroot = makeInstallerTest "zfs-root" {
extraInstallerConfig = {
boot.supportedFilesystems = [ "zfs" ];
};
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extraConfig = ''
boot.supportedFilesystems = [ "zfs" ];
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# Using by-uuid overrides the default of by-id, and is unique
# to the qemu disks, as they don't produce by-id paths for
# some reason.
boot.zfs.devNodes = "/dev/disk/by-uuid/";
networking.hostId = "00000000";
'';
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createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary linux-swap 1M 1024M"
+ " mkpart primary 1024M -1s",
"udevadm settle",
"mkswap /dev/vda1 -L swap",
"swapon -L swap",
"zpool create rpool /dev/vda2",
"zfs create -o mountpoint=legacy rpool/root",
"mount -t zfs rpool/root /mnt",
"udevadm settle",
)
'';
};
# Create two physical LVM partitions combined into one volume group
# that contains the logical swap and root partitions.
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lvm = makeInstallerTest "lvm" {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary 1M 2048M" # PV1
+ " set 1 lvm on"
+ " mkpart primary 2048M -1s" # PV2
+ " set 2 lvm on",
"udevadm settle",
"pvcreate /dev/vda1 /dev/vda2",
"vgcreate MyVolGroup /dev/vda1 /dev/vda2",
"lvcreate --size 1G --name swap MyVolGroup",
"lvcreate --size 6G --name nixos MyVolGroup",
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"mkswap -f /dev/MyVolGroup/swap -L swap",
"swapon -L swap",
"mkfs.xfs -L nixos /dev/MyVolGroup/nixos",
"mount LABEL=nixos /mnt",
)
'';
};
# Boot off an encrypted root partition with the default LUKS header format
luksroot = makeLuksRootTest "luksroot-format1" "";
# Boot off an encrypted root partition with LUKS1 format
luksroot-format1 = makeLuksRootTest "luksroot-format1" "--type=LUKS1";
# Boot off an encrypted root partition with LUKS2 format
luksroot-format2 = makeLuksRootTest "luksroot-format2" "--type=LUKS2";
nixos/tests/installer: Add test for LUKS rootfs. This serves as a regression test for #7859. It's pretty straightforward, except from the fact that nixos-generate- config doesn't detect LUKS devices and the "sleep 60". As for the former, I have tried to add support for LUKS devices for nixos-generate-config, but it's not so easy as it sounds, because we need to create a device tree across all possible mappers and/or LVM up to the "real" device and then decide whether it is relevant to what is currently mounted. So I guess this is something for the nixpart branch (see #2079). And the latter isn't very trivial as well, because the LUKS passphrase prompt is issued on /dev/console, which is the last "console=..." kernel parameter (thus the `mkAfter`). So we can't simply grep the log, because the prompt ends up being on one terminal only (tty0) and using select() on $machine->{socket} doesn't work very well, because the FD is always "ready for read". If we would read the FD, we would conflict with $machine->connect and end up having an inconsistent state. Another idea would be to use multithreading to do $machine->connect while feeding the passphrase prompt in a loop and stop the thread once $machine->connect is done. Turns out that this is not so easy as well, because the threads need to share the $machine object and of course need to do properly locking. In the end I decided to use the "blindly hope that 60 seconds is enough" approach for now and come up with a better solution later. Other VM tests surely use sleep as well, but it's $machine->sleep, which is bound to the clock of the VM, so if the build machine is on high load, a $machine->sleep gets properly delayed but the timer outside the VM won't get that delay, so the test is not deterministic. Tested against the following revisions: 5e3fe39: Before the libgcrypt cleanup (a71f78a) that broke cryptsetup. 69a6848: While cryptsetup was broken (obviously the test failed). 15faa43: After cryptsetup has been switched to OpenSSL (fd588f9). Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2015-05-21 10:42:00 +00:00
# Test whether opening encrypted filesystem with keyfile
# Checks for regression of missing cryptsetup, when no luks device without
# keyfile is configured
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encryptedFSWithKeyfile = makeInstallerTest "encryptedFSWithKeyfile" {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary ext2 1M 100MB" # /boot
+ " mkpart primary linux-swap 100M 1024M"
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+ " mkpart primary 1024M 1280M" # LUKS with keyfile
+ " mkpart primary 1280M -1s",
"udevadm settle",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.ext3 -L nixos /dev/vda4",
"mount LABEL=nixos /mnt",
"mkfs.ext3 -L boot /dev/vda1",
"mkdir -p /mnt/boot",
"mount LABEL=boot /mnt/boot",
"modprobe dm_mod dm_crypt",
"echo -n supersecret > /mnt/keyfile",
"cryptsetup luksFormat -q /dev/vda3 --key-file /mnt/keyfile",
"cryptsetup luksOpen --key-file /mnt/keyfile /dev/vda3 crypt",
"mkfs.ext3 -L test /dev/mapper/crypt",
"cryptsetup luksClose crypt",
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"mkdir -p /mnt/test",
)
'';
extraConfig = ''
fileSystems."/test" = {
device = "/dev/disk/by-label/test";
fsType = "ext3";
encrypted.enable = true;
encrypted.blkDev = "/dev/vda3";
encrypted.label = "crypt";
encrypted.keyFile = "/mnt-root/keyfile";
};
'';
};
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swraid = makeInstallerTest "swraid" {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda --"
+ " mklabel msdos"
+ " mkpart primary ext2 1M 100MB" # /boot
+ " mkpart extended 100M -1s"
+ " mkpart logical 102M 3102M" # md0 (root), first device
+ " mkpart logical 3103M 6103M" # md0 (root), second device
+ " mkpart logical 6104M 6360M" # md1 (swap), first device
+ " mkpart logical 6361M 6617M", # md1 (swap), second device
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"udevadm settle",
"ls -l /dev/vda* >&2",
"cat /proc/partitions >&2",
"udevadm control --stop-exec-queue",
"mdadm --create --force /dev/md0 --metadata 1.2 --level=raid1 "
+ "--raid-devices=2 /dev/vda5 /dev/vda6",
"mdadm --create --force /dev/md1 --metadata 1.2 --level=raid1 "
+ "--raid-devices=2 /dev/vda7 /dev/vda8",
"udevadm control --start-exec-queue",
"udevadm settle",
"mkswap -f /dev/md1 -L swap",
"swapon -L swap",
"mkfs.ext3 -L nixos /dev/md0",
"mount LABEL=nixos /mnt",
"mkfs.ext3 -L boot /dev/vda1",
"mkdir /mnt/boot",
"mount LABEL=boot /mnt/boot",
"udevadm settle",
)
'';
preBootCommands = ''
machine.start()
machine.fail("dmesg | grep 'immediate safe mode'")
'';
};
bcache = makeInstallerTest "bcache" {
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda --"
+ " mklabel msdos"
+ " mkpart primary ext2 1M 100MB" # /boot
+ " mkpart primary 100MB 512MB " # swap
+ " mkpart primary 512MB 1024MB" # Cache (typically SSD)
+ " mkpart primary 1024MB -1s ", # Backing device (typically HDD)
"modprobe bcache",
"udevadm settle",
"make-bcache -B /dev/vda4 -C /dev/vda3",
"udevadm settle",
"mkfs.ext3 -L nixos /dev/bcache0",
"mount LABEL=nixos /mnt",
"mkfs.ext3 -L boot /dev/vda1",
"mkdir /mnt/boot",
"mount LABEL=boot /mnt/boot",
"mkswap -f /dev/vda2 -L swap",
"swapon -L swap",
)
'';
};
bcachefsSimple = makeInstallerTest "bcachefs-simple" {
extraInstallerConfig = {
boot.supportedFilesystems = [ "bcachefs" ];
};
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary ext2 1M 100MB" # /boot
+ " mkpart primary linux-swap 100M 1024M" # swap
+ " mkpart primary 1024M -1s", # /
"udevadm settle",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.bcachefs -L root /dev/vda3",
"mount -t bcachefs /dev/vda3 /mnt",
"mkfs.ext3 -L boot /dev/vda1",
"mkdir -p /mnt/boot",
"mount /dev/vda1 /mnt/boot",
)
'';
};
bcachefsEncrypted = makeInstallerTest "bcachefs-encrypted" {
extraInstallerConfig = {
boot.supportedFilesystems = [ "bcachefs" ];
environment.systemPackages = with pkgs; [ keyutils ];
};
# We don't want to use the normal way of unlocking bcachefs defined in tasks/filesystems/bcachefs.nix.
# So, override initrd.postDeviceCommands completely and simply unlock with the predefined password.
extraConfig = ''
boot.initrd.postDeviceCommands = lib.mkForce "echo password | bcachefs unlock /dev/vda3";
'';
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary ext2 1M 100MB" # /boot
+ " mkpart primary linux-swap 100M 1024M" # swap
+ " mkpart primary 1024M -1s", # /
"udevadm settle",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"keyctl link @u @s",
"echo password | mkfs.bcachefs -L root --encrypted /dev/vda3",
"echo password | bcachefs unlock /dev/vda3",
"mount -t bcachefs /dev/vda3 /mnt",
"mkfs.ext3 -L boot /dev/vda1",
"mkdir -p /mnt/boot",
"mount /dev/vda1 /mnt/boot",
)
'';
};
bcachefsMulti = makeInstallerTest "bcachefs-multi" {
extraInstallerConfig = {
boot.supportedFilesystems = [ "bcachefs" ];
};
createPartitions = ''
machine.succeed(
"flock /dev/vda parted --script /dev/vda -- mklabel msdos"
+ " mkpart primary ext2 1M 100MB" # /boot
+ " mkpart primary linux-swap 100M 1024M" # swap
+ " mkpart primary 1024M 4096M" # /
+ " mkpart primary 4096M -1s", # /
"udevadm settle",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.bcachefs -L root --metadata_replicas 2 --foreground_target ssd --promote_target ssd --background_target hdd --label ssd /dev/vda3 --label hdd /dev/vda4",
"mount -t bcachefs /dev/vda3:/dev/vda4 /mnt",
"mkfs.ext3 -L boot /dev/vda1",
"mkdir -p /mnt/boot",
"mount /dev/vda1 /mnt/boot",
)
'';
};
# Test a basic install using GRUB 1.
nixosTests.installer: Fix grub1 test being unreliable The kernel sometimes assigns `/dev/sdb` to the 8GiB disk. This, in turn, means the test will fail because we're targeting the wrong disk. ``` machine # [ 0.000000] sd 2:0:0:0: [sda] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sdb] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` ``` machine # [ 0.000000] sd 2:0:0:0: [sdb] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sda] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` Note how the "sd x:0:0:0:` ID is stable. That is because QEMU **is** told to give specific identifiers to the disks. So using the dev/disk/by-id/ identifiers is stable. * * * Tested by forcing the sda/sdb swap this way: diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix index 24c55081f9a..2eee224351b 100644 --- a/nixos/tests/installer.nix +++ b/nixos/tests/installer.nix @@ -702,12 +702,19 @@ in { + " mkpart primary linux-swap 1M 1024M" + " mkpart primary ext2 1024M -1s", "udevadm settle", + ) + print(machine.succeed("find /dev/disk/ '!' -type d -printf '%p → %l\n' | sort")) + machine.succeed( "mkswap ${grubDevice}-part1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos ${grubDevice}-part2", "mount LABEL=nixos /mnt", "mkdir -p /mnt/tmp", ) + machine.succeed("echo success") + machine.succeed( + 'if [[ "$(find ${grubDevice} -printf \'%l\')" != "../../sdb" ]]; then exit 22; else true; fi' + ) ''; grubVersion = 1; # /dev/sda is not stable, even when the SCSI disk number is. And ran this way: $ until (clear; tmux clear ; time env -i nix-build nixos/release-combined.nix -A nixos.tests.installer.grub1.x86_64-linux); do echo derp; done
2021-04-25 23:37:19 +00:00
grub1 = makeInstallerTest "grub1" rec {
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createPartitions = ''
machine.succeed(
nixosTests.installer: Fix grub1 test being unreliable The kernel sometimes assigns `/dev/sdb` to the 8GiB disk. This, in turn, means the test will fail because we're targeting the wrong disk. ``` machine # [ 0.000000] sd 2:0:0:0: [sda] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sdb] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` ``` machine # [ 0.000000] sd 2:0:0:0: [sdb] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sda] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` Note how the "sd x:0:0:0:` ID is stable. That is because QEMU **is** told to give specific identifiers to the disks. So using the dev/disk/by-id/ identifiers is stable. * * * Tested by forcing the sda/sdb swap this way: diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix index 24c55081f9a..2eee224351b 100644 --- a/nixos/tests/installer.nix +++ b/nixos/tests/installer.nix @@ -702,12 +702,19 @@ in { + " mkpart primary linux-swap 1M 1024M" + " mkpart primary ext2 1024M -1s", "udevadm settle", + ) + print(machine.succeed("find /dev/disk/ '!' -type d -printf '%p → %l\n' | sort")) + machine.succeed( "mkswap ${grubDevice}-part1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos ${grubDevice}-part2", "mount LABEL=nixos /mnt", "mkdir -p /mnt/tmp", ) + machine.succeed("echo success") + machine.succeed( + 'if [[ "$(find ${grubDevice} -printf \'%l\')" != "../../sdb" ]]; then exit 22; else true; fi' + ) ''; grubVersion = 1; # /dev/sda is not stable, even when the SCSI disk number is. And ran this way: $ until (clear; tmux clear ; time env -i nix-build nixos/release-combined.nix -A nixos.tests.installer.grub1.x86_64-linux); do echo derp; done
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"flock ${grubDevice} parted --script ${grubDevice} -- mklabel msdos"
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+ " mkpart primary linux-swap 1M 1024M"
+ " mkpart primary ext2 1024M -1s",
"udevadm settle",
nixosTests.installer: Fix grub1 test being unreliable The kernel sometimes assigns `/dev/sdb` to the 8GiB disk. This, in turn, means the test will fail because we're targeting the wrong disk. ``` machine # [ 0.000000] sd 2:0:0:0: [sda] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sdb] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` ``` machine # [ 0.000000] sd 2:0:0:0: [sdb] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sda] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` Note how the "sd x:0:0:0:` ID is stable. That is because QEMU **is** told to give specific identifiers to the disks. So using the dev/disk/by-id/ identifiers is stable. * * * Tested by forcing the sda/sdb swap this way: diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix index 24c55081f9a..2eee224351b 100644 --- a/nixos/tests/installer.nix +++ b/nixos/tests/installer.nix @@ -702,12 +702,19 @@ in { + " mkpart primary linux-swap 1M 1024M" + " mkpart primary ext2 1024M -1s", "udevadm settle", + ) + print(machine.succeed("find /dev/disk/ '!' -type d -printf '%p → %l\n' | sort")) + machine.succeed( "mkswap ${grubDevice}-part1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos ${grubDevice}-part2", "mount LABEL=nixos /mnt", "mkdir -p /mnt/tmp", ) + machine.succeed("echo success") + machine.succeed( + 'if [[ "$(find ${grubDevice} -printf \'%l\')" != "../../sdb" ]]; then exit 22; else true; fi' + ) ''; grubVersion = 1; # /dev/sda is not stable, even when the SCSI disk number is. And ran this way: $ until (clear; tmux clear ; time env -i nix-build nixos/release-combined.nix -A nixos.tests.installer.grub1.x86_64-linux); do echo derp; done
2021-04-25 23:37:19 +00:00
"mkswap ${grubDevice}-part1 -L swap",
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"swapon -L swap",
nixosTests.installer: Fix grub1 test being unreliable The kernel sometimes assigns `/dev/sdb` to the 8GiB disk. This, in turn, means the test will fail because we're targeting the wrong disk. ``` machine # [ 0.000000] sd 2:0:0:0: [sda] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sdb] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` ``` machine # [ 0.000000] sd 2:0:0:0: [sdb] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sda] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` Note how the "sd x:0:0:0:` ID is stable. That is because QEMU **is** told to give specific identifiers to the disks. So using the dev/disk/by-id/ identifiers is stable. * * * Tested by forcing the sda/sdb swap this way: diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix index 24c55081f9a..2eee224351b 100644 --- a/nixos/tests/installer.nix +++ b/nixos/tests/installer.nix @@ -702,12 +702,19 @@ in { + " mkpart primary linux-swap 1M 1024M" + " mkpart primary ext2 1024M -1s", "udevadm settle", + ) + print(machine.succeed("find /dev/disk/ '!' -type d -printf '%p → %l\n' | sort")) + machine.succeed( "mkswap ${grubDevice}-part1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos ${grubDevice}-part2", "mount LABEL=nixos /mnt", "mkdir -p /mnt/tmp", ) + machine.succeed("echo success") + machine.succeed( + 'if [[ "$(find ${grubDevice} -printf \'%l\')" != "../../sdb" ]]; then exit 22; else true; fi' + ) ''; grubVersion = 1; # /dev/sda is not stable, even when the SCSI disk number is. And ran this way: $ until (clear; tmux clear ; time env -i nix-build nixos/release-combined.nix -A nixos.tests.installer.grub1.x86_64-linux); do echo derp; done
2021-04-25 23:37:19 +00:00
"mkfs.ext3 -L nixos ${grubDevice}-part2",
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"mount LABEL=nixos /mnt",
"mkdir -p /mnt/tmp",
)
'';
grubVersion = 1;
nixosTests.installer: Fix grub1 test being unreliable The kernel sometimes assigns `/dev/sdb` to the 8GiB disk. This, in turn, means the test will fail because we're targeting the wrong disk. ``` machine # [ 0.000000] sd 2:0:0:0: [sda] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sdb] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` ``` machine # [ 0.000000] sd 2:0:0:0: [sdb] 16777216 512-byte logical blocks: (8.59 GB/8.00 GiB) machine # [ 0.000000] sd 3:0:0:0: [sda] 1048576 512-byte logical blocks: (537 MB/512 MiB) ``` Note how the "sd x:0:0:0:` ID is stable. That is because QEMU **is** told to give specific identifiers to the disks. So using the dev/disk/by-id/ identifiers is stable. * * * Tested by forcing the sda/sdb swap this way: diff --git a/nixos/tests/installer.nix b/nixos/tests/installer.nix index 24c55081f9a..2eee224351b 100644 --- a/nixos/tests/installer.nix +++ b/nixos/tests/installer.nix @@ -702,12 +702,19 @@ in { + " mkpart primary linux-swap 1M 1024M" + " mkpart primary ext2 1024M -1s", "udevadm settle", + ) + print(machine.succeed("find /dev/disk/ '!' -type d -printf '%p → %l\n' | sort")) + machine.succeed( "mkswap ${grubDevice}-part1 -L swap", "swapon -L swap", "mkfs.ext3 -L nixos ${grubDevice}-part2", "mount LABEL=nixos /mnt", "mkdir -p /mnt/tmp", ) + machine.succeed("echo success") + machine.succeed( + 'if [[ "$(find ${grubDevice} -printf \'%l\')" != "../../sdb" ]]; then exit 22; else true; fi' + ) ''; grubVersion = 1; # /dev/sda is not stable, even when the SCSI disk number is. And ran this way: $ until (clear; tmux clear ; time env -i nix-build nixos/release-combined.nix -A nixos.tests.installer.grub1.x86_64-linux); do echo derp; done
2021-04-25 23:37:19 +00:00
# /dev/sda is not stable, even when the SCSI disk number is.
grubDevice = "/dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_drive1";
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};
# Test using labels to identify volumes in grub
2014-08-29 09:48:00 +00:00
simpleLabels = makeInstallerTest "simpleLabels" {
createPartitions = ''
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machine.succeed(
"sgdisk -Z /dev/vda",
"sgdisk -n 1:0:+1M -n 2:0:+1G -N 3 -t 1:ef02 -t 2:8200 -t 3:8300 -c 3:root /dev/vda",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.ext4 -L root /dev/vda3",
"mount LABEL=root /mnt",
)
'';
grubIdentifier = "label";
};
# Test using the provided disk name within grub
# TODO: Fix udev so the symlinks are unneeded in /dev/disks
2014-08-29 09:48:00 +00:00
simpleProvided = makeInstallerTest "simpleProvided" {
createPartitions = ''
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uuid = "$(blkid -s UUID -o value /dev/vda2)"
machine.succeed(
"sgdisk -Z /dev/vda",
"sgdisk -n 1:0:+1M -n 2:0:+100M -n 3:0:+1G -N 4 -t 1:ef02 -t 2:8300 "
+ "-t 3:8200 -t 4:8300 -c 2:boot -c 4:root /dev/vda",
"mkswap /dev/vda3 -L swap",
"swapon -L swap",
"mkfs.ext4 -L boot /dev/vda2",
"mkfs.ext4 -L root /dev/vda4",
)
machine.execute(f"ln -s ../../vda2 /dev/disk/by-uuid/{uuid}")
machine.execute("ln -s ../../vda4 /dev/disk/by-label/root")
machine.succeed(
"mount /dev/disk/by-label/root /mnt",
"mkdir /mnt/boot",
f"mount /dev/disk/by-uuid/{uuid} /mnt/boot",
)
'';
grubIdentifier = "provided";
};
# Simple btrfs grub testing
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btrfsSimple = makeInstallerTest "btrfsSimple" {
createPartitions = ''
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machine.succeed(
"sgdisk -Z /dev/vda",
"sgdisk -n 1:0:+1M -n 2:0:+1G -N 3 -t 1:ef02 -t 2:8200 -t 3:8300 -c 3:root /dev/vda",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.btrfs -L root /dev/vda3",
"mount LABEL=root /mnt",
)
'';
};
# Test to see if we can detect /boot and /nix on subvolumes
2014-08-29 09:48:00 +00:00
btrfsSubvols = makeInstallerTest "btrfsSubvols" {
createPartitions = ''
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machine.succeed(
"sgdisk -Z /dev/vda",
"sgdisk -n 1:0:+1M -n 2:0:+1G -N 3 -t 1:ef02 -t 2:8200 -t 3:8300 -c 3:root /dev/vda",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.btrfs -L root /dev/vda3",
"btrfs device scan",
"mount LABEL=root /mnt",
"btrfs subvol create /mnt/boot",
"btrfs subvol create /mnt/nixos",
"btrfs subvol create /mnt/nixos/default",
"umount /mnt",
"mount -o defaults,subvol=nixos/default LABEL=root /mnt",
"mkdir /mnt/boot",
"mount -o defaults,subvol=boot LABEL=root /mnt/boot",
)
'';
};
# Test to see if we can detect default and aux subvolumes correctly
btrfsSubvolDefault = makeInstallerTest "btrfsSubvolDefault" {
createPartitions = ''
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machine.succeed(
"sgdisk -Z /dev/vda",
"sgdisk -n 1:0:+1M -n 2:0:+1G -N 3 -t 1:ef02 -t 2:8200 -t 3:8300 -c 3:root /dev/vda",
"mkswap /dev/vda2 -L swap",
"swapon -L swap",
"mkfs.btrfs -L root /dev/vda3",
"btrfs device scan",
"mount LABEL=root /mnt",
"btrfs subvol create /mnt/badpath",
"btrfs subvol create /mnt/badpath/boot",
"btrfs subvol create /mnt/nixos",
"btrfs subvol set-default "
+ "$(btrfs subvol list /mnt | grep 'nixos' | awk '{print $2}') /mnt",
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"umount /mnt",
"mount -o defaults LABEL=root /mnt",
"mkdir -p /mnt/badpath/boot", # Help ensure the detection mechanism
# is actually looking up subvolumes
"mkdir /mnt/boot",
"mount -o defaults,subvol=badpath/boot LABEL=root /mnt/boot",
)
'';
};
}