139 lines
3.8 KiB
Nix
139 lines
3.8 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.rabbitmq;
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config_file = pkgs.writeText "rabbitmq.config" cfg.config;
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config_file_wo_suffix = builtins.substring 0 ((builtins.stringLength config_file) - 7) config_file;
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in {
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###### interface
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options = {
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services.rabbitmq = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to enable the RabbitMQ server, an Advanced Message
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Queuing Protocol (AMQP) broker.
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'';
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};
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listenAddress = mkOption {
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default = "127.0.0.1";
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example = "";
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description = ''
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IP address on which RabbitMQ will listen for AMQP
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connections. Set to the empty string to listen on all
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interfaces. Note that RabbitMQ creates a user named
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<literal>guest</literal> with password
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<literal>guest</literal> by default, so you should delete
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this user if you intend to allow external access.
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'';
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type = types.str;
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};
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port = mkOption {
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default = 5672;
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description = ''
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Port on which RabbitMQ will listen for AMQP connections.
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'';
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type = types.int;
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};
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dataDir = mkOption {
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type = types.path;
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default = "/var/lib/rabbitmq";
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description = ''
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Data directory for rabbitmq.
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'';
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};
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cookie = mkOption {
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default = "";
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type = types.str;
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description = ''
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Erlang cookie is a string of arbitrary length which must
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be the same for several nodes to be allowed to communicate.
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Leave empty to generate automatically.
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'';
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};
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config = mkOption {
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default = "";
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type = types.str;
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description = ''
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Verbatim configuration file contents.
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See http://www.rabbitmq.com/configure.html
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'';
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};
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plugins = mkOption {
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default = [];
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type = types.listOf types.str;
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description = "The names of plugins to enable";
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ pkgs.rabbitmq_server ];
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users.extraUsers.rabbitmq = {
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description = "RabbitMQ server user";
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home = "${cfg.dataDir}";
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createHome = true;
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group = "rabbitmq";
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uid = config.ids.uids.rabbitmq;
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};
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users.extraGroups.rabbitmq.gid = config.ids.gids.rabbitmq;
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systemd.services.rabbitmq = {
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description = "RabbitMQ Server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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path = [ pkgs.rabbitmq_server pkgs.procps ];
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environment = {
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RABBITMQ_MNESIA_BASE = "${cfg.dataDir}/mnesia";
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RABBITMQ_NODE_IP_ADDRESS = cfg.listenAddress;
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RABBITMQ_NODE_PORT = toString cfg.port;
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RABBITMQ_SERVER_START_ARGS = "-rabbit error_logger tty -rabbit sasl_error_logger false";
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RABBITMQ_PID_FILE = "${cfg.dataDir}/pid";
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SYS_PREFIX = "";
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RABBITMQ_ENABLED_PLUGINS_FILE = pkgs.writeText "enabled_plugins" ''
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[ ${concatStringsSep "," cfg.plugins} ].
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'';
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} // optionalAttrs (cfg.config != "") { RABBITMQ_CONFIG_FILE = config_file_wo_suffix; };
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serviceConfig = {
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ExecStart = "${pkgs.rabbitmq_server}/sbin/rabbitmq-server";
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ExecStop = "${pkgs.rabbitmq_server}/sbin/rabbitmqctl stop";
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User = "rabbitmq";
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Group = "rabbitmq";
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WorkingDirectory = cfg.dataDir;
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};
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postStart = ''
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rabbitmqctl wait ${cfg.dataDir}/pid
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'';
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preStart = ''
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${optionalString (cfg.cookie != "") ''
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echo -n ${cfg.cookie} > ${cfg.dataDir}/.erlang.cookie
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chmod 400 ${cfg.dataDir}/.erlang.cookie
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''}
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'';
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};
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};
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}
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