120 lines
3.2 KiB
Nix
120 lines
3.2 KiB
Nix
{ hostConfig, workspaceName, ip, networkInterface }:
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# Base configuration shared by all sandboxed workspaces (VMs and containers)
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# This provides common settings for networking, SSH, users, and packages
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#
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# Parameters:
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# hostConfig - The host's NixOS config (for inputs, ssh keys, etc.)
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# workspaceName - Name of the workspace (used as hostname)
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# ip - Static IP address for the workspace
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# networkInterface - Match config for systemd-networkd (e.g., { Type = "ether"; } or { Name = "host0"; })
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{ config, lib, pkgs, ... }:
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{
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imports = [
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../shell.nix
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hostConfig.inputs.home-manager.nixosModules.home-manager
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hostConfig.inputs.nix-index-database.nixosModules.default
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];
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nixpkgs.overlays = [
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hostConfig.inputs.claude-code-nix.overlays.default
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];
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# Basic system configuration
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system.stateVersion = "25.11";
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# Set hostname to match the workspace name
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networking.hostName = workspaceName;
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# Networking with systemd-networkd
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networking.useNetworkd = true;
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systemd.network.enable = true;
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# Enable resolved to populate /etc/resolv.conf from networkd's DNS settings
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services.resolved.enable = true;
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# Basic networking configuration
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networking.useDHCP = false;
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# Static IP configuration
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# Uses the host as DNS server (host forwards to upstream DNS)
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systemd.network.networks."20-workspace" = {
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matchConfig = networkInterface;
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networkConfig = {
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Address = "${ip}/24";
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Gateway = hostConfig.networking.sandbox.hostAddress;
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DNS = [ hostConfig.networking.sandbox.hostAddress ];
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};
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};
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# Disable firewall inside workspaces (we're behind NAT)
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networking.firewall.enable = false;
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# Enable SSH for access
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services.openssh = {
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enable = true;
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settings = {
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PasswordAuthentication = false;
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PermitRootLogin = "prohibit-password";
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};
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};
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# Use persistent SSH host keys from shared directory
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services.openssh.hostKeys = lib.mkForce [
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{
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path = "/etc/ssh-host-keys/ssh_host_ed25519_key";
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type = "ed25519";
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}
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];
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# Basic system packages
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environment.systemPackages = with pkgs; [
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claude-code
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kakoune
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vim
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git
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htop
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wget
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curl
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tmux
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dnsutils
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];
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# User configuration
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users.mutableUsers = false;
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users.users.googlebot = {
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isNormalUser = true;
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extraGroups = [ "wheel" ];
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shell = pkgs.fish;
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openssh.authorizedKeys.keys = hostConfig.machines.ssh.userKeys;
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};
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security.doas.enable = true;
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security.sudo.enable = false;
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security.doas.extraRules = [
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{ groups = [ "wheel" ]; noPass = true; }
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];
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# Minimal locale settings
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i18n.defaultLocale = "en_US.UTF-8";
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time.timeZone = "America/Los_Angeles";
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# Enable flakes
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nix.settings.experimental-features = [ "nix-command" "flakes" ];
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# Make nixpkgs available in NIX_PATH and registry (like the NixOS ISO)
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# This allows `nix-shell -p`, `nix repl '<nixpkgs>'`, etc. to work
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nix.nixPath = [ "nixpkgs=${hostConfig.inputs.nixpkgs}" ];
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nix.registry.nixpkgs.flake = hostConfig.inputs.nixpkgs;
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# Enable fish shell
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programs.fish.enable = true;
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# Home Manager configuration
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home-manager.useGlobalPkgs = true;
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home-manager.useUserPackages = true;
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home-manager.users.googlebot = import ./home.nix;
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}
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