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nixos/udev: add option to install rules in initrd

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Note: this moves the example rule used to rename network interfaces in
the new udev.initrdRules option, which is required since 115cdd1c.
This commit is contained in:
rnhmjoj 2021-02-18 19:14:00 +01:00
parent 65325292da
commit 8e59a682a5
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1 changed files with 22 additions and 1 deletions
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23
nixos/modules/services/hardware/udev.nix
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@ -202,12 +202,26 @@ in
'';
};
extraRules = mkOption {
initrdRules = mkOption {
default = "";
example = ''
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:1D:60:B9:6D:4F", KERNEL=="eth*", NAME="my_fast_network_card"
'';
type = types.lines;
description = ''
<command>udev</command> rules to include in the initrd
<emphasis>only</emphasis>. They'll be written into file
<filename>99-local.rules</filename>. Thus they are read and applied
after the essential initrd rules.
'';
};
extraRules = mkOption {
default = "";
example = ''
ENV{ID_VENDOR_ID}=="046d", ENV{ID_MODEL_ID}=="0825", ENV{PULSE_IGNORE}="1"
'';
type = types.lines;
description = ''
Additional <command>udev</command> rules. They'll be written
into file <filename>99-local.rules</filename>. Thus they are
@ -284,6 +298,13 @@ in
boot.kernelParams = mkIf (!config.networking.usePredictableInterfaceNames) [ "net.ifnames=0" ];
boot.initrd.extraUdevRulesCommands = optionalString (cfg.initrdRules != "")
''
cat <<'EOF' > $out/99-local.rules
${cfg.initrdRules}
EOF
'';
environment.etc =
{
"udev/rules.d".source = udevRules;