122 lines
3.0 KiB
Nix
122 lines
3.0 KiB
Nix
{
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pkgs,
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config,
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lib,
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...
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}: {
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# Define a new option for the admin user
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options.services.headscale = {
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adminUser = lib.mkOption {
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type = lib.types.str;
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default = "m3tam3re";
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description = "Username for the headscale admin user";
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};
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};
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config = let
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adminUser = config.services.headscale.adminUser;
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aclConfig = {
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# Groups definition
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groups = {
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"group:admins" = ["${adminUser}"];
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};
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acls = [
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# Allow all connections within the tailnet
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{
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action = "accept";
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src = ["*"];
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dst = ["*:*"];
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}
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# Allow admin to connect to their own services
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{
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action = "accept";
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src = ["${adminUser}"];
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dst = ["${adminUser}:*"];
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}
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];
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# Auto-approvers section for routes
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autoApprovers = {
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routes = {
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"0.0.0.0/0" = ["${adminUser}"];
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"10.0.0.0/8" = ["${adminUser}"];
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"172.16.0.0/12" = ["${adminUser}"];
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"192.168.0.0/16" = ["${adminUser}"];
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};
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exitNode = ["${adminUser}"];
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};
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};
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# Convert to HuJSON format with comments
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aclHuJson = ''
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// Headscale ACL Policy - Generated by NixOS
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// Admin user: ${adminUser}
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${builtins.toJSON aclConfig}
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'';
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aclFile = pkgs.writeText "acl-policy.hujson" aclHuJson;
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in {
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services = {
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headscale = {
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enable = true;
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port = 3009;
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adminUser = "m3tam3re";
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settings = {
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server_url = "https://va.m3tam3re.com";
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dns = {
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base_domain = "m3ta.loc";
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};
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logtail.enabled = false;
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policy.path = "${aclFile}";
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};
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};
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};
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# Traefik configuration
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services.traefik.dynamicConfigOptions.http = {
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services.headscale.loadBalancer.servers = [
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{
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url = "http://localhost:3009/";
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}
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];
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routers.headscale = {
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rule = "Host(`va.m3tam3re.com`)";
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tls = {
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certResolver = "godaddy";
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};
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service = "headscale";
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entrypoints = "websecure";
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};
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};
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# Create a systemd service to ensure the admin user exists
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systemd.services.headscale-ensure-admin = lib.mkIf config.services.headscale.enable {
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description = "Ensure Headscale admin user exists";
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after = ["headscale.service"];
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requires = ["headscale.service"];
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wantedBy = ["multi-user.target"];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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User = "headscale";
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Group = "headscale";
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};
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script = ''
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# Check if user exists and create if needed
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if ! ${pkgs.headscale}/bin/headscale users list | grep -q "${adminUser}"; then
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echo "Creating headscale admin user: ${adminUser}"
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${pkgs.headscale}/bin/headscale users create "${adminUser}"
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else
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echo "Headscale admin user ${adminUser} already exists"
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fi
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'';
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};
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};
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}
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