2020-04-08 09:49:56 +02:00
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{ config, lib, pkgs, utils, ... }:
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let
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inherit (lib) mkDefault mkEnableOption mkIf mkOption types literalExample;
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cfg = config.services.engelsystem;
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in {
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options = {
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services.engelsystem = {
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enable = mkOption {
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default = false;
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example = true;
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description = ''
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2020-10-27 21:11:22 +01:00
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Whether to enable engelsystem, an online tool for coordinating volunteers
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2020-04-08 09:49:56 +02:00
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and shifts on large events.
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'';
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type = lib.types.bool;
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};
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domain = mkOption {
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type = types.str;
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example = "engelsystem.example.com";
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description = "Domain to serve on.";
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};
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package = mkOption {
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type = types.package;
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example = literalExample "pkgs.engelsystem";
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description = "Engelsystem package used for the service.";
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default = pkgs.engelsystem;
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};
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createDatabase = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to create a local database automatically.
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This will override every database setting in <option>services.engelsystem.config</option>.
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'';
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};
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};
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services.engelsystem.config = mkOption {
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type = types.attrs;
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default = {
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database = {
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host = "localhost";
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database = "engelsystem";
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username = "engelsystem";
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};
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};
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example = {
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maintenance = false;
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database = {
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host = "database.example.com";
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database = "engelsystem";
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username = "engelsystem";
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password._secret = "/var/keys/engelsystem/database";
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};
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email = {
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driver = "smtp";
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host = "smtp.example.com";
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port = 587;
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from.address = "engelsystem@example.com";
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from.name = "example engelsystem";
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encryption = "tls";
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username = "engelsystem@example.com";
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password._secret = "/var/keys/engelsystem/mail";
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};
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autoarrive = true;
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min_password_length = 6;
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default_locale = "de_DE";
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};
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description = ''
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Options to be added to config.php, as a nix attribute set. Options containing secret data
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should be set to an attribute set containing the attribute _secret - a string pointing to a
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file containing the value the option should be set to. See the example to get a better
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picture of this: in the resulting config.php file, the email.password key will be set to
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the contents of the /var/keys/engelsystem/mail file.
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See https://engelsystem.de/doc/admin/configuration/ for available options.
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Note that the admin user login credentials cannot be set here - they always default to
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admin:asdfasdf. Log in and change them immediately.
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'';
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};
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};
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config = mkIf cfg.enable {
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# create database
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services.mysql = mkIf cfg.createDatabase {
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enable = true;
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package = mkDefault pkgs.mysql;
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ensureUsers = [{
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name = "engelsystem";
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ensurePermissions = { "engelsystem.*" = "ALL PRIVILEGES"; };
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}];
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ensureDatabases = [ "engelsystem" ];
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};
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environment.etc."engelsystem/config.php".source =
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pkgs.writeText "config.php" ''
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<?php
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return json_decode(file_get_contents("/var/lib/engelsystem/config.json"), true);
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'';
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services.phpfpm.pools.engelsystem = {
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user = "engelsystem";
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settings = {
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"listen.owner" = config.services.nginx.user;
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"pm" = "dynamic";
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"pm.max_children" = 32;
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"pm.max_requests" = 500;
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"pm.start_servers" = 2;
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"pm.min_spare_servers" = 2;
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"pm.max_spare_servers" = 5;
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"php_admin_value[error_log]" = "stderr";
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"php_admin_flag[log_errors]" = true;
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"catch_workers_output" = true;
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};
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};
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services.nginx = {
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enable = true;
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virtualHosts."${cfg.domain}".locations = {
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"/" = {
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root = "${cfg.package}/share/engelsystem/public";
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extraConfig = ''
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index index.php;
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try_files $uri $uri/ /index.php?$args;
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autoindex off;
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'';
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};
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"~ \\.php$" = {
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root = "${cfg.package}/share/engelsystem/public";
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extraConfig = ''
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fastcgi_pass unix:${config.services.phpfpm.pools.engelsystem.socket};
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fastcgi_index index.php;
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fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
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include ${config.services.nginx.package}/conf/fastcgi_params;
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include ${config.services.nginx.package}/conf/fastcgi.conf;
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'';
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};
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};
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};
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systemd.services."engelsystem-init" = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = { Type = "oneshot"; };
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script =
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let
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genConfigScript = pkgs.writeScript "engelsystem-gen-config.sh"
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(utils.genJqSecretsReplacementSnippet cfg.config "config.json");
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in ''
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umask 077
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mkdir -p /var/lib/engelsystem/storage/app
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mkdir -p /var/lib/engelsystem/storage/cache/views
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cd /var/lib/engelsystem
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${genConfigScript}
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chmod 400 config.json
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chown -R engelsystem .
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'';
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};
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systemd.services."engelsystem-migrate" = {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "oneshot";
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User = "engelsystem";
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Group = "engelsystem";
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};
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script = ''
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${cfg.package}/bin/migrate
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'';
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after = [ "engelsystem-init.service" "mysql.service" ];
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};
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systemd.services."phpfpm-engelsystem".after =
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[ "engelsystem-migrate.service" ];
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users.users.engelsystem = {
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isSystemUser = true;
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createHome = true;
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home = "/var/lib/engelsystem/storage";
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group = "engelsystem";
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};
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users.groups.engelsystem = { };
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};
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}
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