3e758c612d
Add lib.mkIf condition checking if config.hardware.facter.reportPath != null to all facter modules. This shortcuts the module effects when no facter report is available, preventing unnecessary evaluation and potential errors when the report is not provided.
72 lines
2.3 KiB
Nix
72 lines
2.3 KiB
Nix
{ config, lib, ... }:
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let
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# Filter network interfaces from facter report to only those suitable for DHCP
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physicalInterfaces = lib.filter (
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iface:
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# Only include network interfaces suitable for DHCP:
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# - Ethernet (most common)
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# - WLAN (WiFi)
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# - USB-Link (USB network adapters, tethering)
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# - Network Interface (generic/unknown type)
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# This implicitly excludes: Loopback, mainframe-specific interfaces (CTC, IUCV, HSI, ESCON)
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# See: https://github.com/numtide/hwinfo/blob/ea251a74b88dcd53aebdd381194ab43d10fbbd79/src/ids/src/class#L817-L874
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let
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validTypes = [
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"Ethernet"
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"WLAN"
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"USB-Link"
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"Network Interface"
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];
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in
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lib.elem (iface.sub_class.name or "") validTypes
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) (config.hardware.facter.report.hardware.network_interface or [ ]);
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# Extract interface names from unix_device_names
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detectedInterfaceNames = lib.concatMap (iface: iface.unix_device_names or [ ]) physicalInterfaces;
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# Get the interface names from the configuration (which defaults to detectedInterfaceNames)
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interfaceNames = config.hardware.facter.detected.dhcp.interfaces;
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# Generate per-interface DHCP config
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perInterfaceConfig = lib.listToAttrs (
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lib.map (name: {
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inherit name;
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value = {
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useDHCP = lib.mkDefault true;
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};
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}) interfaceNames
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);
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in
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{
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imports = [
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./initrd.nix
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./intel.nix
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];
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options.hardware.facter.detected.dhcp = {
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enable = lib.mkEnableOption "Facter dhcp module" // {
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default = builtins.length config.hardware.facter.report.hardware.network_interface or [ ] > 0;
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defaultText = "hardware dependent";
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};
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interfaces = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = detectedInterfaceNames;
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defaultText = lib.literalExpression "automatically detected from facter report";
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description = "List of network interface names to configure with DHCP. Defaults to auto-detected physical interfaces.";
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example = [
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"eth0"
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"wlan0"
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];
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};
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};
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config =
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lib.mkIf (config.hardware.facter.reportPath != null && config.hardware.facter.detected.dhcp.enable)
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{
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networking.useDHCP = lib.mkDefault true;
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# Per-interface DHCP configuration
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networking.interfaces = perInterfaceConfig;
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};
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}
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