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Merge pull request #171021 from helsinki-systems/feat/systemd-stage-1-udev-improvements

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Bernardo Meurer 2022-05-04 09:09:09 -07:00 committed by GitHub
commit 9a41fab23f
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1 changed files with 32 additions and 7 deletions
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39
nixos/modules/services/hardware/udev.nix
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@ -8,6 +8,24 @@ let
cfg = config.services.udev;
initrdUdevRules = pkgs.runCommand "initrd-udev-rules" {} ''
mkdir -p $out/etc/udev/rules.d
for f in 60-cdrom_id 60-persistent-storage 75-net-description 80-drivers 80-net-setup-link; do
ln -s ${config.boot.initrd.systemd.package}/lib/udev/rules.d/$f.rules $out/etc/udev/rules.d
done
'';
# networkd link files are used early by udev to set up interfaces early.
# This must be done in stage 1 to avoid race conditions between udev and
# network daemons.
# TODO move this into the initrd-network module when it exists
initrdLinkUnits = pkgs.runCommand "initrd-link-units" {} ''
mkdir -p $out
ln -s ${udev}/lib/systemd/network/*.link $out/
${lib.concatMapStringsSep "\n" (file: "ln -s ${file} $out/") (lib.mapAttrsToList (n: v: "${v.unit}/${n}") (lib.filterAttrs (n: _: hasSuffix ".link" n) config.systemd.network.units))}
'';
extraUdevRules = pkgs.writeTextFile {
name = "extra-udev-rules";
text = cfg.extraRules;
@ -350,7 +368,10 @@ in
];
boot.initrd.systemd.storePaths = [
"${config.boot.initrd.systemd.package}/lib/systemd/systemd-udevd"
"${config.boot.initrd.systemd.package}/lib/udev"
"${config.boot.initrd.systemd.package}/lib/udev/ata_id"
"${config.boot.initrd.systemd.package}/lib/udev/cdrom_id"
"${config.boot.initrd.systemd.package}/lib/udev/scsi_id"
"${config.boot.initrd.systemd.package}/lib/udev/rules.d"
] ++ map (x: "${x}/bin") config.boot.initrd.services.udev.binPackages;
# Generate the udev rules for the initrd
@ -364,13 +385,17 @@ in
systemd = config.boot.initrd.systemd.package;
binPackages = config.boot.initrd.services.udev.binPackages ++ [ config.boot.initrd.systemd.contents."/bin".source ];
};
"/etc/systemd/network".source = initrdLinkUnits;
};
# Insert custom rules
boot.initrd.services.udev.packages = mkIf (config.boot.initrd.services.udev.rules != "") (pkgs.writeTextFile {
name = "initrd-udev-rules";
destination = "/etc/udev/rules.d/99-local.rules";
text = config.boot.initrd.services.udev.rules;
});
# Insert initrd rules
boot.initrd.services.udev.packages = [
initrdUdevRules
(mkIf (config.boot.initrd.services.udev.rules != "") (pkgs.writeTextFile {
name = "initrd-udev-rules";
destination = "/etc/udev/rules.d/99-local.rules";
text = config.boot.initrd.services.udev.rules;
}))
];
environment.etc =
{