76 lines
2.6 KiB
Nix
76 lines
2.6 KiB
Nix
{ lib, pkgs, config, ... }:
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let
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cfg = config.services.headscale;
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server-url = "head.pbsds.net";
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derpPort = 3478;
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inherit (lib) mkIf getExe;
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in
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{
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environment.systemPackages = mkIf cfg.enable [ cfg.package ];
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services.headscale = {
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enable = true;
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address = "127.0.0.1";
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port = 4987;
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# https://github.com/juanfont/headscale/blob/main/config-example.yaml
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# https://search.nixos.org/options?query=services.headscale.settings
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settings = {
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server_url = "https://${server-url}:443";
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logtail.enabled = false;
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log.level = "warn";
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# https://tailscale.com/kb/1054/dns
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dns_config.override_local_dns = true; # force clients to use our dns
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#dns_config.nameservers = [ "1.1.1.1" ];
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dns_config.magic_dns = true; # put our dns first in search
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dns_config.domains = [ "ts.pbsds.net" ]; # search domains to inject into clients
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dns_config.base_domain = "pbsds.net"; # clients become {hostname}.namespace.{base_domain}
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# List of IP prefixes to allocate tailaddresses from.
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ip_prefixes = [
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"100.64.0.0/10"
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"fd7a:115c:a1e0::/48"
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];
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# DERP is a relay system that Tailscale uses when a direct connection cannot be established.
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# https://tailscale.com/blog/how-tailscale-works/#encrypted-tcp-relays-derp
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# headscale needs a list of DERP servers that can be presented to the clients.
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derp.server.enable = true; # run embedded DERP server
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derp.server.region_id = 999;
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derp.server.stun_listen_addr = "0.0.0.0:${toString derpPort}"; # UDP
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#derp.server.private_key_path # autogenerated if it's missing.
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#derp.urls = [] # List of externally available DERP maps
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};
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};
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systemd.services."headscale-provisioning" = mkIf cfg.enable {
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serviceConfig.Type = "oneshot";
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after = [ "headscale.service" ];
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wantedBy = [ "headscale.service" ];
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script = ''
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sleep 60 # Wait for headscale to be ready
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${getExe cfg.package} namespaces create ts || true
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'';
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};
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# The DERP server
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networking.firewall.allowedUDPPorts = mkIf (cfg.enable && cfg.settings.derp.server.enable) [ derpPort ];
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# https reverse proxy
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networking.firewall.allowedTCPPorts = mkIf cfg.enable [ 80 443 ];
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services.nginx.enable = mkIf cfg.enable true;
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services.nginx.virtualHosts."${server-url}" = mkIf cfg.enable {
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forceSSL = true; # addSSL = true;
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enableACME = true; #useACMEHost = acmeDomain;
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locations."/" = {
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proxyPass = "http://localhost:${toString cfg.port}";
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proxyWebsockets = true;
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};
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#locations."/metrics".proxyPass = "http://${cfg.settings.metrics_listen_addr}/metrics";
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};
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}
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