341 lines
11 KiB
Nix
341 lines
11 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.redmine;
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bundle = "${cfg.package}/share/redmine/bin/bundle";
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databaseYml = pkgs.writeText "database.yml" ''
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production:
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adapter: ${cfg.database.type}
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database: ${cfg.database.name}
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host: ${cfg.database.host}
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port: ${toString cfg.database.port}
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username: ${cfg.database.user}
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password: #dbpass#
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${optionalString (cfg.database.socket != null) "socket: ${cfg.database.socket}"}
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'';
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configurationYml = pkgs.writeText "configuration.yml" ''
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default:
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scm_subversion_command: ${pkgs.subversion}/bin/svn
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scm_mercurial_command: ${pkgs.mercurial}/bin/hg
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scm_git_command: ${pkgs.gitAndTools.git}/bin/git
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scm_cvs_command: ${pkgs.cvs}/bin/cvs
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scm_bazaar_command: ${pkgs.bazaar}/bin/bzr
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scm_darcs_command: ${pkgs.darcs}/bin/darcs
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${cfg.extraConfig}
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'';
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unpackTheme = unpack "theme";
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unpackPlugin = unpack "plugin";
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unpack = id: (name: source:
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pkgs.stdenv.mkDerivation {
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name = "redmine-${id}-${name}";
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buildInputs = [ pkgs.unzip ];
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buildCommand = ''
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mkdir -p $out
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cd $out
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unpackFile ${source}
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'';
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});
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in
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{
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options = {
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services.redmine = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Enable the Redmine service.";
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};
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package = mkOption {
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type = types.package;
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default = pkgs.redmine;
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defaultText = "pkgs.redmine";
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description = "Which Redmine package to use.";
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example = "pkgs.redmine.override { ruby = pkgs.ruby_2_3; }";
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};
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user = mkOption {
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type = types.str;
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default = "redmine";
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description = "User under which Redmine is ran.";
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};
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group = mkOption {
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type = types.str;
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default = "redmine";
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description = "Group under which Redmine is ran.";
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};
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port = mkOption {
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type = types.int;
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default = 3000;
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description = "Port on which Redmine is ran.";
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};
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stateDir = mkOption {
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type = types.str;
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default = "/var/lib/redmine";
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description = "The state directory, logs and plugins are stored here.";
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Extra configuration in configuration.yml.
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See https://guides.rubyonrails.org/action_mailer_basics.html#action-mailer-configuration
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'';
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example = literalExample ''
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email_delivery:
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delivery_method: smtp
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smtp_settings:
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address: mail.example.com
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port: 25
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'';
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};
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themes = mkOption {
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type = types.attrsOf types.path;
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default = {};
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description = "Set of themes.";
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example = literalExample ''
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{
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dkuk-redmine_alex_skin = builtins.fetchurl {
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url = https://bitbucket.org/dkuk/redmine_alex_skin/get/1842ef675ef3.zip;
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sha256 = "0hrin9lzyi50k4w2bd2b30vrf1i4fi1c0gyas5801wn8i7kpm9yl";
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};
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}
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'';
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};
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plugins = mkOption {
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type = types.attrsOf types.path;
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default = {};
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description = "Set of plugins.";
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example = literalExample ''
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{
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redmine_env_auth = builtins.fetchurl {
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url = https://github.com/Intera/redmine_env_auth/archive/0.6.zip;
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sha256 = "0yyr1yjd8gvvh832wdc8m3xfnhhxzk2pk3gm2psg5w9jdvd6skak";
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};
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}
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'';
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};
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database = {
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type = mkOption {
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type = types.enum [ "mysql2" "postgresql" ];
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example = "postgresql";
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default = "mysql2";
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description = "Database engine to use.";
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};
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host = mkOption {
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type = types.str;
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default = (if cfg.database.socket != null then "localhost" else "127.0.0.1");
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description = "Database host address.";
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};
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port = mkOption {
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type = types.int;
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default = 3306;
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description = "Database host port.";
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};
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name = mkOption {
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type = types.str;
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default = "redmine";
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description = "Database name.";
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};
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user = mkOption {
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type = types.str;
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default = "redmine";
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description = "Database user.";
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};
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password = mkOption {
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type = types.str;
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default = "";
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description = ''
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The password corresponding to <option>database.user</option>.
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Warning: this is stored in cleartext in the Nix store!
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Use <option>database.passwordFile</option> instead.
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'';
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};
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passwordFile = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/run/keys/redmine-dbpassword";
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description = ''
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A file containing the password corresponding to
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<option>database.user</option>.
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'';
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};
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socket = mkOption {
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type = types.nullOr types.path;
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default = null;
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example = "/run/mysqld/mysqld.sock";
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description = "Path to the unix socket file to use for authentication.";
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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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assertions = [
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{ assertion = cfg.database.passwordFile != null || cfg.database.password != "" || cfg.database.socket != null;
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message = "one of services.redmine.database.socket, services.redmine.database.passwordFile, or services.redmine.database.password must be set";
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}
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{ assertion = cfg.database.socket != null -> (cfg.database.type == "mysql2");
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message = "Socket authentication is only available for the mysql2 database type";
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}
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];
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environment.systemPackages = [ cfg.package ];
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systemd.services.redmine = {
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after = [ "network.target" (if cfg.database.type == "mysql2" then "mysql.service" else "postgresql.service") ];
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wantedBy = [ "multi-user.target" ];
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environment.HOME = "${cfg.package}/share/redmine";
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environment.RAILS_ENV = "production";
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environment.RAILS_CACHE = "${cfg.stateDir}/cache";
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environment.REDMINE_LANG = "en";
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environment.SCHEMA = "${cfg.stateDir}/cache/schema.db";
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path = with pkgs; [
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imagemagickBig
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bazaar
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cvs
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darcs
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gitAndTools.git
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mercurial
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subversion
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];
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preStart = ''
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# ensure cache directory exists for db:migrate command
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mkdir -p "${cfg.stateDir}/cache"
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# create the basic directory layout the redmine package expects
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mkdir -p /run/redmine/public
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for i in config files log plugins tmp; do
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mkdir -p "${cfg.stateDir}/$i"
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ln -fs "${cfg.stateDir}/$i" /run/redmine/
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done
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for i in plugin_assets themes; do
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mkdir -p "${cfg.stateDir}/public/$i"
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ln -fs "${cfg.stateDir}/public/$i" /run/redmine/public/
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done
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# start with a fresh config directory
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# the config directory is copied instead of linked as some mutable data is stored in there
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rm -rf "${cfg.stateDir}/config/"*
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cp -r ${cfg.package}/share/redmine/config.dist/* "${cfg.stateDir}/config/"
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# link in the application configuration
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ln -fs ${configurationYml} "${cfg.stateDir}/config/configuration.yml"
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# link in all user specified themes
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rm -rf "${cfg.stateDir}/public/themes/"*
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for theme in ${concatStringsSep " " (mapAttrsToList unpackTheme cfg.themes)}; do
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ln -fs $theme/* "${cfg.stateDir}/public/themes"
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done
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# link in redmine provided themes
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ln -sf ${cfg.package}/share/redmine/public/themes.dist/* "${cfg.stateDir}/public/themes/"
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# link in all user specified plugins
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rm -rf "${cfg.stateDir}/plugins/"*
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for plugin in ${concatStringsSep " " (mapAttrsToList unpackPlugin cfg.plugins)}; do
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ln -fs $plugin/* "${cfg.stateDir}/plugins/''${plugin##*-redmine-plugin-}"
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done
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# ensure correct permissions for most files
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chmod -R ug+rwX,o-rwx+x "${cfg.stateDir}/"
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# handle database.passwordFile & permissions
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DBPASS=$(head -n1 ${cfg.database.passwordFile})
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cp -f ${databaseYml} "${cfg.stateDir}/config/database.yml"
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sed -e "s,#dbpass#,$DBPASS,g" -i "${cfg.stateDir}/config/database.yml"
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chmod 440 "${cfg.stateDir}/config/database.yml"
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# generate a secret token if required
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if ! test -e "${cfg.stateDir}/config/initializers/secret_token.rb"; then
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${bundle} exec rake generate_secret_token
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chmod 440 "${cfg.stateDir}/config/initializers/secret_token.rb"
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fi
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# ensure everything is owned by ${cfg.user}
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chown -R ${cfg.user}:${cfg.group} "${cfg.stateDir}"
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# execute redmine required commands prior to starting the application
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# NOTE: su required in case using mysql socket authentication
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/run/wrappers/bin/su -s ${pkgs.bash}/bin/bash -m -l redmine -c '${bundle} exec rake db:migrate'
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/run/wrappers/bin/su -s ${pkgs.bash}/bin/bash -m -l redmine -c '${bundle} exec rake redmine:load_default_data'
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# log files don't exist until after first command has been executed
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# correct ownership of files generated by calling exec rake ...
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chown -R ${cfg.user}:${cfg.group} "${cfg.stateDir}/log"
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'';
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serviceConfig = {
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PermissionsStartOnly = true; # preStart must be run as root
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Type = "simple";
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User = cfg.user;
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Group = cfg.group;
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TimeoutSec = "300";
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WorkingDirectory = "${cfg.package}/share/redmine";
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ExecStart="${bundle} exec rails server webrick -e production -p ${toString cfg.port} -P '${cfg.stateDir}/redmine.pid'";
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};
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};
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users.users = optionalAttrs (cfg.user == "redmine") (singleton
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{ name = "redmine";
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group = cfg.group;
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home = cfg.stateDir;
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createHome = true;
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uid = config.ids.uids.redmine;
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});
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users.groups = optionalAttrs (cfg.group == "redmine") (singleton
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{ name = "redmine";
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gid = config.ids.gids.redmine;
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});
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warnings = optional (cfg.database.password != "")
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''config.services.redmine.database.password will be stored as plaintext
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in the Nix store. Use database.passwordFile instead.'';
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# Create database passwordFile default when password is configured.
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services.redmine.database.passwordFile =
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(mkDefault (toString (pkgs.writeTextFile {
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name = "redmine-database-password";
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text = cfg.database.password;
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})));
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};
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}
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