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nixpkgs/modules/services/amqp/rabbitmq.nix

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{ config, pkgs, ... }:
with pkgs.lib;
let
cfg = config.services.rabbitmq;
run = cmd: "${pkgs.sudo}/bin/sudo -E -u rabbitmq ${cmd}";
in
{
###### interface
options = {
services.rabbitmq = {
enable = mkOption {
default = false;
description = ''
Whether to enable the RabbitMQ server, an Advanced Message
Queuing Protocol (AMQP) broker.
'';
};
listenAddress = mkOption {
default = "127.0.0.1";
example = "";
description = ''
IP address on which RabbitMQ will listen for AMQP
connections. Set to the empty string to listen on all
interfaces. Note that RabbitMQ creates a user named
<literal>guest</literal> with password
<literal>guest</literal> by default, so you should delete
this user if you intend to allow external access.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.rabbitmq_server ];
users.extraUsers = singleton
{ name = "rabbitmq";
description = "RabbitMQ server user";
home = "/var/empty";
};
jobs.rabbitmq = {
description = "RabbitMQ server";
startOn = "started network-interfaces";
preStart =
''
mkdir -m 0700 -p /var/lib/rabbitmq
chown rabbitmq /var/lib/rabbitmq
mkdir -m 0700 -p /var/log/rabbitmq
chown rabbitmq /var/log/rabbitmq
'';
environment.HOME = "/var/lib/rabbitmq";
environment.RABBITMQ_NODE_IP_ADDRESS = cfg.listenAddress;
exec =
''
${run "${pkgs.rabbitmq_server}/sbin/rabbitmq-server"}
'';
preStop =
''
${run "${pkgs.rabbitmq_server}/sbin/rabbitmqctl stop"}
'';
};
};
}