123 lines
4.0 KiB
Nix
123 lines
4.0 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.clan.networking.zerotier;
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facts = config.clanCore.secrets.zerotier.facts;
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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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name = "";
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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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in
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{
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options.clan.networking.zerotier = {
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networkId = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = ''
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zerotier networking id
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'';
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};
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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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config = lib.mkMerge [
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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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(lib.mkIf (cfg.networkId != null) {
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systemd.network.networks.zerotier = {
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matchConfig.Name = "zt*";
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networkConfig = {
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LLMNR = true;
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LLDP = true;
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MulticastDNS = true;
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KeepConfiguration = "static";
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};
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};
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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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networking.networkmanager.unmanaged = [ "interface-name:zt*" ];
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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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})
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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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facts.zerotier-network-id = { };
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secrets.zerotier-identity-secret = { };
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generator = ''
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export PATH=${lib.makeBinPath [ config.services.zerotierone.package pkgs.fakeroot ]}
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${pkgs.python3.interpreter} ${./generate-network.py} "$facts/zerotier-network-id" "$secrets/zerotier-identity-secret"
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'';
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};
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environment.etc."zerotier/network-id".text = facts.zerotier-network-id.value;
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environment.systemPackages = [ config.clanCore.clanPkgs.zerotier-members ];
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})
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(lib.mkIf ((config.clanCore.secrets ? zerotier) && (facts.zerotier-network-id.value != null)) {
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clan.networking.zerotier.networkId = facts.zerotier-network-id.value;
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systemd.services.zerotierone.serviceConfig.ExecStartPre = [
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"+${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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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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];
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systemd.services.zerotierone.serviceConfig.ExecStartPost = [
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"+${pkgs.writeShellScript "whitelist-controller" ''
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${config.clanCore.clanPkgs.zerotier-members}/bin/zerotier-members allow ${builtins.substring 0 10 cfg.networkId}
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''}"
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];
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})
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];
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}
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