{ config, pkgs, ... }: with pkgs.lib; let b2s = x: if x then "true" else "false"; cfg = config.services.mongodb; mongodb = cfg.package; mongoCnf = pkgs.writeText "mongodb.conf" '' bind_ip = ${cfg.bind_ip} ${optionalString cfg.quiet "quiet = true"} dbpath = ${cfg.dbpath} logpath = ${cfg.logpath} logappend = ${b2s cfg.logappend} ${optionalString (cfg.replSetName != "") "replSet = ${cfg.replSetName}"} ''; in { ###### interface options = { services.mongodb = { enable = mkOption { default = false; description = " Whether to enable the MongoDB server. "; }; package = mkOption { default = pkgs.mongodb; 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"; }; logpath = mkOption { default = "/var/log/mongodb/mongod.log"; description = "Location where MongoDB stores its logfile"; }; logappend = mkOption { default = true; description = "Append logfile instead over overwriting"; }; 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. ''; }; }; }; ###### 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_init = { description = "MongoDB server initialisation"; wantedBy = [ "mongodb.service" ]; before = [ "mongodb.service" ]; serviceConfig.Type = "oneshot"; script = '' if ! test -e ${cfg.dbpath}; then install -d -m0700 -o ${cfg.user} ${cfg.dbpath} install -d -m0755 -o ${cfg.user} `dirname ${cfg.logpath}` fi ''; }; systemd.services.mongodb = { description = "MongoDB server"; wantedBy = [ "multi-user.target" ]; after = [ "network.target" ]; serviceConfig = { ExecStart = "${mongodb}/bin/mongod --quiet --config ${mongoCnf}"; User = cfg.user; }; }; }; }