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https://github.com/NixOS/nixpkgs.git
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22bbd1834e
This fixes the following eval error: ``` error: nodePackages.node-red cannot be found in pkgs ``` when having `services.node-red.enable = true;` without specifying `services.node-red.package`, just like the nixos VM test. Follow-up off509382c11
, which attempted to fix this as well. Breakage introduced in0a37316d6c
.
144 lines
4.4 KiB
Nix
144 lines
4.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.node-red;
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defaultUser = "node-red";
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finalPackage = if cfg.withNpmAndGcc then node-red_withNpmAndGcc else cfg.package;
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node-red_withNpmAndGcc = pkgs.runCommand "node-red" {
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nativeBuildInputs = [ pkgs.makeWrapper ];
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}
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''
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mkdir -p $out/bin
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makeWrapper ${pkgs.nodePackages.node-red}/bin/node-red $out/bin/node-red \
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--set PATH '${lib.makeBinPath [ pkgs.nodePackages.npm pkgs.gcc ]}:$PATH' \
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'';
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in
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{
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options.services.node-red = {
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enable = mkEnableOption (lib.mdDoc "the Node-RED service");
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package = mkPackageOption pkgs.nodePackages "node-red" { };
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openFirewall = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Open ports in the firewall for the server.
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'';
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};
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withNpmAndGcc = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc ''
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Give Node-RED access to NPM and GCC at runtime, so 'Nodes' can be
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downloaded and managed imperatively via the 'Palette Manager'.
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'';
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};
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configFile = mkOption {
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type = types.path;
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default = "${cfg.package}/lib/node_modules/node-red/settings.js";
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defaultText = literalExpression ''"''${package}/lib/node_modules/node-red/settings.js"'';
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description = lib.mdDoc ''
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Path to the JavaScript configuration file.
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See <https://github.com/node-red/node-red/blob/master/packages/node_modules/node-red/settings.js>
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for a configuration example.
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'';
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};
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port = mkOption {
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type = types.port;
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default = 1880;
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description = lib.mdDoc "Listening port.";
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};
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user = mkOption {
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type = types.str;
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default = defaultUser;
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description = lib.mdDoc ''
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User under which Node-RED runs.If left as the default value this user
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will automatically be created on system activation, otherwise the
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sysadmin is responsible for ensuring the user exists.
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'';
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};
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group = mkOption {
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type = types.str;
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default = defaultUser;
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description = lib.mdDoc ''
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Group under which Node-RED runs.If left as the default value this group
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will automatically be created on system activation, otherwise the
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sysadmin is responsible for ensuring the group exists.
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'';
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};
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userDir = mkOption {
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type = types.path;
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default = "/var/lib/node-red";
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description = lib.mdDoc ''
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The directory to store all user data, such as flow and credential files and all library data. If left
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as the default value this directory will automatically be created before the node-red service starts,
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otherwise the sysadmin is responsible for ensuring the directory exists with appropriate ownership
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and permissions.
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'';
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};
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safe = mkOption {
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type = types.bool;
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default = false;
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description = lib.mdDoc "Whether to launch Node-RED in --safe mode.";
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};
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define = mkOption {
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type = types.attrs;
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default = {};
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description = lib.mdDoc "List of settings.js overrides to pass via -D to Node-RED.";
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example = literalExpression ''
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{
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"logging.console.level" = "trace";
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}
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'';
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};
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};
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config = mkIf cfg.enable {
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users.users = optionalAttrs (cfg.user == defaultUser) {
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${defaultUser} = {
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isSystemUser = true;
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group = defaultUser;
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};
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};
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users.groups = optionalAttrs (cfg.group == defaultUser) {
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${defaultUser} = { };
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};
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networking.firewall = mkIf cfg.openFirewall {
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allowedTCPPorts = [ cfg.port ];
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};
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systemd.services.node-red = {
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description = "Node-RED Service";
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wantedBy = [ "multi-user.target" ];
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after = [ "networking.target" ];
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environment = {
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HOME = cfg.userDir;
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};
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serviceConfig = mkMerge [
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{
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User = cfg.user;
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Group = cfg.group;
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ExecStart = "${finalPackage}/bin/node-red ${pkgs.lib.optionalString cfg.safe "--safe"} --settings ${cfg.configFile} --port ${toString cfg.port} --userDir ${cfg.userDir} ${concatStringsSep " " (mapAttrsToList (name: value: "-D ${name}=${value}") cfg.define)}";
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PrivateTmp = true;
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Restart = "always";
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WorkingDirectory = cfg.userDir;
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}
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(mkIf (cfg.userDir == "/var/lib/node-red") { StateDirectory = "node-red"; })
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];
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};
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};
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}
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