forked from M-Labs/it-infra
123 lines
3.3 KiB
Nix
123 lines
3.3 KiB
Nix
{ host, rpi4 }:
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{ config, pkgs, ... }:
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{
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deployment.targetHost = host;
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deployment.hasFastConnection = true;
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nix.nixPath = [ "nixpkgs=${pkgs.path}" ];
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programs.command-not-found.dbPath = "${pkgs.path}/programs.sqlite";
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nixpkgs.system = "aarch64-linux";
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boot.loader.grub.enable = false;
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boot.loader.generic-extlinux-compatible.enable = true;
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boot.kernelParams = ["cma=64M"]; # work around https://github.com/raspberrypi/linux/issues/3208
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boot.kernelPackages = pkgs.linuxPackages_rpi4;
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boot.initrd.includeDefaultModules = false;
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fileSystems = {
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"/" = {
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device = "/dev/disk/by-label/NIXOS_SD";
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fsType = "ext4";
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};
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};
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services.openssh.enable = true;
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services.openssh.passwordAuthentication = false;
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services.openssh.extraConfig =
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''
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StreamLocalBindUnlink yes
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'';
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programs.mosh.enable = true;
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networking.hostName = host;
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time.timeZone = "Asia/Hong_Kong";
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hardware.enableRedistributableFirmware = true;
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services.hostapd = {
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enable = true;
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interface = "wlan0";
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hwMode = "g";
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ssid = "M-Labs-ext";
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wpaPassphrase = (import /etc/nixos/secret/wifi_ext_password.nix);
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extraConfig = ''
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ieee80211d=1
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country_code=HK
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ieee80211n=1
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wmm_enabled=1
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auth_algs=1
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wpa_key_mgmt=WPA-PSK
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rsn_pairwise=CCMP
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'';
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};
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networking.interfaces.eth0 = {
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ipv4.addresses = [{
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address = "192.168.1.30";
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prefixLength = 24;
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}];
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ipv6.addresses = [{
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address = "2001:470:f821:1:dea6:32ff:fe95:2fcf";
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prefixLength = 64;
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}];
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ipv4.routes = [{
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address = "0.0.0.0";
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prefixLength = 0;
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via = "192.168.1.1";
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}];
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ipv6.routes = [{
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address = "::";
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prefixLength = 0;
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via = "fe80::523e:aaff:fe0c:e49d";
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}];
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};
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networking.interfaces.wlan0 = {
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ipv4.addresses = [{
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address = "192.168.13.1";
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prefixLength = 24;
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}];
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ipv6.addresses = [{
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address = "2001:470:f821:3::";
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prefixLength = 64;
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}];
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};
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services.dnsmasq = {
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enable = true;
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servers = ["192.168.1.1#53"];
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extraConfig = ''
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interface=wlan0
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bind-interfaces
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dhcp-range=192.168.13.10,192.168.13.254,24h
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enable-ra
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dhcp-range=::,constructor:wlan0,ra-only
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no-resolv
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'';
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};
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boot.kernel.sysctl."net.ipv4.ip_forward" = 1;
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boot.kernel.sysctl."net.ipv6.conf.all.forwarding" = "1";
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boot.kernel.sysctl."net.ipv6.conf.default.forwarding" = "1";
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users.extraGroups.plugdev = { };
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users.mutableUsers = false;
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users.defaultUserShell = pkgs.fish;
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users.extraUsers = import ./common-users.nix { inherit pkgs; };
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security.sudo.wheelNeedsPassword = false;
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services.udev.extraRules = (import ./extra-udev.nix);
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documentation.enable = false;
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environment.systemPackages = with pkgs; [
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psmisc wget vim git sshfs usbutils lm_sensors file mosh tmux
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imagemagick
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];
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programs.fish.enable = true;
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networking.firewall.allowedTCPPorts = [ 631 ];
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networking.firewall.interfaces.wlan0.allowedUDPPorts = [ 53 67 ];
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nix.settings.trusted-public-keys = ["nixbld.m-labs.hk-1:5aSRVA5b320xbNvu30tqxVPXpld73bhtOeH6uAjRyHc="];
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nix.settings.substituters = ["https://nixbld.m-labs.hk" "https://cache.nixos.org"];
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nix.settings.trusted-users = ["root" "sb"];
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nix.extraOptions = ''
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experimental-features = nix-command flakes impure-derivations
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'';
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}
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