75 lines
2.4 KiB
Nix
75 lines
2.4 KiB
Nix
{
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nixos-config-for-netboot,
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pkgs,
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...
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}: let
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netboot-x86_64 = pkgs.symlinkJoin {
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name = "netboot-x86_64";
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paths = [
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pkgs.ipxe
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nixos-config-for-netboot.nixosConfigurations.netboot.config.system.build.kernel
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nixos-config-for-netboot.nixosConfigurations.netboot.config.system.build.netbootRamdisk
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nixos-config-for-netboot.nixosConfigurations.netboot.config.system.build.netbootIpxeScript
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];
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};
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bootIpxeScript = pkgs.writeText "boot.ipxe" ''
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chain http://192.168.2.1/${"$"}{buildarch}/netboot.ipxe
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'';
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netboot = pkgs.stdenvNoCC.mkDerivation {
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name = "netboot";
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src = pkgs.emptyDirectory;
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buildPhase = true;
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installPhase = ''
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mkdir $out
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cp ${bootIpxeScript} $out/boot.ipxe
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ln -svf ${netboot-x86_64} $out/x86_64
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'';
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};
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in {
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networking.dhcpcd.allowInterfaces = ["enp2s0f0u4"]; # yes a usb network card don’t judge
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services.dhcpd4 = {
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enable = true;
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extraConfig = ''
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option subnet-mask 255.255.255.0;
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option broadcast-address 192.168.2.255;
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option routers 192.168.2.1;
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option domain-name-servers 1.1.1.1;
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subnet 192.168.2.0 netmask 255.255.255.0 {
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range 192.168.2.100 192.168.2.200;
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}
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option client-arch code 93 = unsigned integer 16;
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if exists user-class and option user-class = "iPXE" {
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filename "http://192.168.2.1/boot.ipxe";
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} elsif substring (option vendor-class-identifier, 0, 10) = "HTTPClient" {
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filename "http://192.168.2.1/x86_64/ipxe.efi";
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} elsif option client-arch != 00:00 {
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filename "/ipxe.efi";
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next-server 192.168.2.1;
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} else {
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filename "/undionly.kpxe";
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next-server 192.168.2.1;
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}
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'';
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interfaces = ["br0"];
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};
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services.tftpd = {
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enable = true;
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path = pkgs.ipxe;
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};
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services.caddy.virtualHosts."http://192.168.2.1".extraConfig = ''
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import baseConfig
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root * ${netboot}
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file_server
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'';
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networking.firewall.interfaces."br0".allowedUDPPorts = [69 4011];
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# No i don’t have ipv6 :(
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networking.firewall.extraCommands = ''
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iptables -A FORWARD -i br0 -j ACCEPT
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iptables -t nat -A POSTROUTING -o enp2s0f0u4 -s 192.168.2.0/24 -j MASQUERADE
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'';
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networking.interfaces.enp1s0f0u4.macAddress = "00:d8:61:d0:de:1e"; # fucking ISP
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boot.kernel.sysctl = {
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"net.ipv4.conf.all.forwarding" = true;
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"net.ipv6.conf.all.forwarding" = true;
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};
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}
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