2023-08-28 09:09:05 +00:00
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{ config, lib, pkgs, ... }:
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let
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cfg = config.clan.networking.zerotier;
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2023-11-14 16:57:03 +00:00
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facts = config.clanCore.secrets.zerotier.facts or { };
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2024-01-12 16:33:27 +00:00
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genMoonScript = pkgs.runCommand "genmoon" { nativeBuildInputs = [ pkgs.python3 ]; } ''
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install -Dm755 ${./genmoon.py} $out/bin/genmoon
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patchShebangs $out/bin/genmoon
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'';
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2023-09-25 17:03:54 +00:00
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networkConfig = {
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authTokens = [
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null
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];
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authorizationEndpoint = "";
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capabilities = [ ];
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clientId = "";
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dns = [ ];
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enableBroadcast = true;
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id = cfg.networkId;
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ipAssignmentPools = [ ];
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mtu = 2800;
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multicastLimit = 32;
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2024-01-11 13:55:40 +00:00
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name = cfg.name;
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2023-09-25 17:03:54 +00:00
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uwid = cfg.networkId;
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objtype = "network";
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private = !cfg.controller.public;
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remoteTraceLevel = 0;
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remoteTraceTarget = null;
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revision = 1;
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routes = [ ];
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rules = [
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{
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not = false;
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or = false;
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type = "ACTION_ACCEPT";
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}
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];
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rulesSource = "";
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ssoEnabled = false;
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tags = [ ];
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v4AssignMode = {
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zt = false;
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};
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v6AssignMode = {
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"6plane" = false;
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rfc4193 = true;
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zt = false;
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};
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};
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2023-08-28 09:09:05 +00:00
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in
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{
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options.clan.networking.zerotier = {
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networkId = lib.mkOption {
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2023-09-26 16:18:42 +00:00
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type = lib.types.nullOr lib.types.str;
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2023-09-26 15:31:45 +00:00
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default = null;
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2023-08-28 09:09:05 +00:00
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description = ''
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zerotier networking id
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'';
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};
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2024-01-11 13:55:40 +00:00
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name = lib.mkOption {
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type = lib.types.str;
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default = config.clanCore.clanName;
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description = ''
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zerotier network name
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'';
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};
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2024-01-12 16:33:27 +00:00
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moon = {
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stableEndpoints = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = ''
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Make this machine a moon.
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Other machines can join this moon by adding this moon in their config.
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It will be reachable under the given stable endpoints.
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'';
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};
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2024-01-12 17:31:18 +00:00
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orbitMoons = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = ''
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Join these moons.
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This machine will be able to reach all machines in these moons.
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'';
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};
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2024-01-12 16:33:27 +00:00
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};
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2023-11-14 13:03:47 +00:00
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subnet = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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readOnly = true;
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default =
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2023-11-14 16:57:03 +00:00
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if cfg.networkId == null then
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null
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else
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2023-11-14 13:03:47 +00:00
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let
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part0 = builtins.substring 0 2 cfg.networkId;
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part1 = builtins.substring 2 2 cfg.networkId;
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part2 = builtins.substring 4 2 cfg.networkId;
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part3 = builtins.substring 6 2 cfg.networkId;
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part4 = builtins.substring 8 2 cfg.networkId;
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part5 = builtins.substring 10 2 cfg.networkId;
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part6 = builtins.substring 12 2 cfg.networkId;
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part7 = builtins.substring 14 2 cfg.networkId;
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in
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2023-11-14 16:57:03 +00:00
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"fd${part0}:${part1}${part2}:${part3}${part4}:${part5}${part6}:${part7}99:9300::/88";
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2023-11-14 13:03:47 +00:00
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description = ''
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zerotier subnet
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'';
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};
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2023-08-28 09:09:05 +00:00
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controller = {
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enable = lib.mkEnableOption "turn this machine into the networkcontroller";
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public = lib.mkOption {
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type = lib.types.bool;
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default = false;
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description = ''
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everyone can join a public network without having the administrator to accept
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'';
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};
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};
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};
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2023-09-25 17:03:54 +00:00
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config = lib.mkMerge [
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2023-09-26 15:31:45 +00:00
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({
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# Override license so that we can build zerotierone without
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# having to re-import nixpkgs.
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services.zerotierone.package = lib.mkDefault (pkgs.zerotierone.overrideAttrs (_old: { meta = { }; }));
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})
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2023-11-15 10:03:42 +00:00
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(lib.mkIf ((facts.zerotier-meshname.value or null) != null) {
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2023-11-14 16:37:28 +00:00
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environment.etc."zerotier/hostname".text = "${facts.zerotier-meshname.value}.vpn";
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2023-11-14 16:57:03 +00:00
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})
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2023-11-15 10:03:42 +00:00
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(lib.mkIf ((facts.zerotier-ip.value or null) != null) {
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environment.etc."zerotier/ip".text = facts.zerotier-ip.value;
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})
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2023-11-14 16:57:03 +00:00
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(lib.mkIf (cfg.networkId != null) {
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2023-11-14 16:43:24 +00:00
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clan.networking.meshnamed.networks.vpn.subnet = cfg.subnet;
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2023-11-15 06:44:30 +00:00
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systemd.network.networks."09-zerotier" = {
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2023-09-25 17:03:54 +00:00
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matchConfig.Name = "zt*";
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networkConfig = {
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2023-11-15 10:03:42 +00:00
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LLMNR = true;
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LLDP = true;
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2023-09-25 17:03:54 +00:00
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MulticastDNS = true;
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2023-11-15 10:03:42 +00:00
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KeepConfiguration = "static";
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2023-09-25 17:03:54 +00:00
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};
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};
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2023-11-15 06:44:30 +00:00
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2023-11-15 10:03:42 +00:00
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systemd.services.zerotierone.serviceConfig.ExecStartPre = [
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"+${pkgs.writeShellScript "init-zerotier" ''
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cp ${config.clanCore.secrets.zerotier.secrets.zerotier-identity-secret.path} /var/lib/zerotier-one/identity.secret
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2024-01-12 16:33:27 +00:00
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zerotier-idtool getpublic /var/lib/zerotier-one/identity.secret > /var/lib/zerotier-one/identity.public
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2023-11-15 10:03:42 +00:00
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${lib.optionalString (cfg.controller.enable) ''
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mkdir -p /var/lib/zerotier-one/controller.d/network
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ln -sfT ${pkgs.writeText "net.json" (builtins.toJSON networkConfig)} /var/lib/zerotier-one/controller.d/network/${cfg.networkId}.json
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''}
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2024-01-12 16:33:27 +00:00
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${lib.optionalString (cfg.moon.stableEndpoints != []) ''
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if [[ ! -f /var/lib/zerotier-one/moon.json ]]; then
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zerotier-idtool initmoon /var/lib/zerotier-one/identity.public > /var/lib/zerotier-one/moon.json
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fi
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${genMoonScript}/bin/genmoon /var/lib/zerotier-one/moon.json ${builtins.toFile "moon.json" (builtins.toJSON cfg.moon.stableEndpoints)} /var/lib/zerotier-one/moons.d
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''}
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2024-01-11 11:56:05 +00:00
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# cleanup old networks
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if [[ -d /var/lib/zerotier-one/networks.d ]]; then
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find /var/lib/zerotier-one/networks.d \
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-type f \
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-name "*.conf" \
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-not \( ${lib.concatMapStringsSep " -o " (netId: ''-name "${netId}.conf"'') config.services.zerotierone.joinNetworks} \) \
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-delete
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fi
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2023-11-15 10:03:42 +00:00
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''}"
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];
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2024-01-11 14:34:46 +00:00
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systemd.services.zerotierone.serviceConfig.ExecStartPost = [
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"+${pkgs.writeShellScript "configure-interface" ''
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while ! ${pkgs.netcat}/bin/nc -z localhost 9993; do
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sleep 0.1
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done
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zerotier-cli listnetworks -j | ${pkgs.jq}/bin/jq -r '.[] | [.portDeviceName, .name] | @tsv' \
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| while IFS=$'\t' read -r portDeviceName name; do
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if [[ -z "$name" ]] || [[ -z "$portDeviceName" ]]; then
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continue
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fi
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# Execute the command for each element
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${pkgs.iproute2}/bin/ip link property add dev "$portDeviceName" altname "$name"
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done
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2024-01-12 17:31:18 +00:00
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${lib.concatMapStringsSep "\n" (moon: ''
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zerotier-cli orbit ${moon} ${moon}
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'') cfg.moon.orbitMoons}
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2024-01-11 14:34:46 +00:00
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''}"
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];
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2023-11-15 10:03:42 +00:00
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2023-09-28 15:58:27 +00:00
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networking.firewall.interfaces."zt+".allowedTCPPorts = [ 5353 ]; # mdns
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networking.firewall.interfaces."zt+".allowedUDPPorts = [ 5353 ]; # mdns
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2024-01-10 17:21:37 +00:00
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networking.firewall.allowedTCPPorts = [ 9993 ]; # zerotier
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networking.firewall.allowedUDPPorts = [ 9993 ]; # zerotier
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2023-09-28 15:58:27 +00:00
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networking.networkmanager.unmanaged = [ "interface-name:zt*" ];
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2023-09-25 17:03:54 +00:00
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services.zerotierone = {
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enable = true;
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joinNetworks = [ cfg.networkId ];
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};
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2024-01-12 14:13:20 +00:00
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# The official zerotier tcp relay no longer works: https://github.com/zerotier/ZeroTierOne/issues/2202
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# So we host our own relay in https://git.clan.lol/clan/clan-infra
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services.zerotierone.localConf.settings.tcpFallbackRelay = "65.21.12.51/4443";
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2023-09-25 17:03:54 +00:00
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})
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(lib.mkIf cfg.controller.enable {
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# only the controller needs to have the key in the repo, the other clients can be dynamic
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# we generate the zerotier code manually for the controller, since it's part of the bootstrap command
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clanCore.secrets.zerotier = {
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2023-11-10 10:42:44 +00:00
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facts.zerotier-ip = { };
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facts.zerotier-meshname = { };
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2023-09-27 08:54:51 +00:00
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facts.zerotier-network-id = { };
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secrets.zerotier-identity-secret = { };
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2023-11-30 12:01:38 +00:00
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generator.path = [ config.services.zerotierone.package pkgs.fakeroot pkgs.python3 ];
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generator.script = ''
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python3 ${./generate.py} --mode network \
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2023-11-10 10:42:44 +00:00
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--ip "$facts/zerotier-ip" \
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--meshname "$facts/zerotier-meshname" \
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--identity-secret "$secrets/zerotier-identity-secret" \
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--network-id "$facts/zerotier-network-id"
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2023-09-25 17:03:54 +00:00
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'';
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2023-08-28 09:09:05 +00:00
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};
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2024-01-23 18:43:42 +00:00
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# clanCore.state.zerotier.folders = [ "/var/lib/zerotier-one" ];
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2023-12-04 16:05:37 +00:00
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2023-09-29 08:51:38 +00:00
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environment.systemPackages = [ config.clanCore.clanPkgs.zerotier-members ];
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2023-09-27 08:54:51 +00:00
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})
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2023-11-10 10:42:44 +00:00
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(lib.mkIf (config.clanCore.secretsUploadDirectory != null && !cfg.controller.enable && cfg.networkId != null) {
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clanCore.secrets.zerotier = {
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facts.zerotier-ip = { };
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facts.zerotier-meshname = { };
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secrets.zerotier-identity-secret = { };
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2023-11-30 12:01:38 +00:00
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generator.path = [ config.services.zerotierone.package pkgs.python3 ];
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generator.script = ''
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python3 ${./generate.py} --mode identity \
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2023-11-10 10:42:44 +00:00
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--ip "$facts/zerotier-ip" \
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--meshname "$facts/zerotier-meshname" \
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--identity-secret "$secrets/zerotier-identity-secret" \
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--network-id ${cfg.networkId}
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'';
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};
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})
|
2023-11-14 16:57:03 +00:00
|
|
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(lib.mkIf (cfg.controller.enable && (facts.zerotier-network-id.value or null) != null) {
|
2023-09-27 08:54:51 +00:00
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clan.networking.zerotier.networkId = facts.zerotier-network-id.value;
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2023-09-29 18:05:13 +00:00
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environment.etc."zerotier/network-id".text = facts.zerotier-network-id.value;
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2023-09-29 08:51:38 +00:00
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systemd.services.zerotierone.serviceConfig.ExecStartPost = [
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"+${pkgs.writeShellScript "whitelist-controller" ''
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|
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${config.clanCore.clanPkgs.zerotier-members}/bin/zerotier-members allow ${builtins.substring 0 10 cfg.networkId}
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''}"
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];
|
2023-09-25 17:03:54 +00:00
|
|
|
})
|
|
|
|
];
|
2023-08-28 09:09:05 +00:00
|
|
|
}
|