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1df6cf5d1d
Ensure that modules required by all declared fileSystems are explicitly loaded. A little ugly but fixes the deferred mount test. See also https://github.com/NixOS/nixpkgs/issues/29019
45 lines
1.3 KiB
Nix
45 lines
1.3 KiB
Nix
{ config, lib, ... }:
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with lib;
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{
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options = {
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security.lockKernelModules = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Disable kernel module loading once the system is fully initialised.
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Module loading is disabled until the next reboot. Problems caused
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by delayed module loading can be fixed by adding the module(s) in
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question to <option>boot.kernelModules</option>.
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'';
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};
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};
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config = mkIf config.security.lockKernelModules {
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boot.kernelModules = concatMap (x:
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if x.device != null
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then
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if x.fsType == "vfat"
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then [ "vfat" "nls-cp437" "nls-iso8859-1" ]
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else [ x.fsType ]
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else []) config.system.build.fileSystems;
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systemd.services.disable-kernel-module-loading = rec {
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description = "Disable kernel module loading";
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wantedBy = [ config.systemd.defaultUnit ];
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after = [ "systemd-udev-settle.service" "firewall.service" "systemd-modules-load.service" ] ++ wantedBy;
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unitConfig.ConditionPathIsReadWrite = "/proc/sys/kernel";
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "/bin/sh -c 'echo -n 1 >/proc/sys/kernel/modules_disabled'";
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};
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};
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};
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}
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