{ config, lib, pkgs, ... }: with lib; let b2s = x: if x then "true" else "false"; cfg = config.services.mongodb; mongodb = cfg.package; mongoCnf = pkgs.writeText "mongodb.conf" '' net.bindIp: ${cfg.bind_ip} ${optionalString cfg.quiet "systemLog.quiet: true"} systemLog.destination: syslog storage.dbPath: ${cfg.dbpath} ${optionalString (cfg.replSetName != "") "replication.replSetName: ${cfg.replSetName}"} ${cfg.extraConfig} ''; in { ###### interface options = { services.mongodb = { enable = mkOption { default = false; description = " Whether to enable the MongoDB server. "; }; package = mkOption { default = pkgs.mongodb; defaultText = "pkgs.mongodb"; type = types.package; description = " Which MongoDB derivation to use. "; }; user = mkOption { default = "mongodb"; description = "User account under which MongoDB runs"; }; bind_ip = mkOption { default = "127.0.0.1"; description = "IP to bind to"; }; quiet = mkOption { default = false; description = "quieter output"; }; dbpath = mkOption { default = "/var/db/mongodb"; description = "Location where MongoDB stores its files"; }; pidFile = mkOption { default = "/var/run/mongodb.pid"; description = "Location of MongoDB pid file"; }; replSetName = mkOption { default = ""; description = '' If this instance is part of a replica set, set its name here. Otherwise, leave empty to run as single node. ''; }; extraConfig = mkOption { default = ""; example = '' storage.journal.enabled: false ''; description = "MongoDB extra configuration in YAML format"; }; }; }; ###### implementation config = mkIf config.services.mongodb.enable { users.extraUsers.mongodb = mkIf (cfg.user == "mongodb") { name = "mongodb"; uid = config.ids.uids.mongodb; description = "MongoDB server user"; }; environment.systemPackages = [ mongodb ]; systemd.services.mongodb = { description = "MongoDB server"; wantedBy = [ "multi-user.target" ]; after = [ "network.target" ]; serviceConfig = { ExecStart = "${mongodb}/bin/mongod --quiet --config ${mongoCnf} --fork --pidfilepath ${cfg.pidFile}"; User = cfg.user; PIDFile = cfg.pidFile; Type = "forking"; TimeoutStartSec=120; # intial creating of journal can take some time PermissionsStartOnly = true; }; preStart = '' rm ${cfg.dbpath}/mongod.lock || true if ! test -e ${cfg.dbpath}; then install -d -m0700 -o ${cfg.user} ${cfg.dbpath} fi if ! test -e ${cfg.pidFile}; then install -D -o ${cfg.user} /dev/null ${cfg.pidFile} fi ''; }; }; }