29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
132 lines
4.1 KiB
Nix
132 lines
4.1 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
with pkgs;
|
|
|
|
let
|
|
|
|
cfg = config.services.activemq;
|
|
|
|
activemqBroker = stdenv.mkDerivation {
|
|
name = "activemq-broker";
|
|
phases = [ "installPhase" ];
|
|
buildInputs = [ jdk ];
|
|
installPhase = ''
|
|
ensureDir $out/lib
|
|
source ${activemq}/lib/classpath.env
|
|
export CLASSPATH
|
|
ln -s "${./ActiveMQBroker.java}" ActiveMQBroker.java
|
|
javac -d $out/lib ActiveMQBroker.java
|
|
'';
|
|
};
|
|
|
|
in {
|
|
|
|
options = {
|
|
services.activemq = {
|
|
enable = mkOption {
|
|
type = types.bool;
|
|
default = false;
|
|
description = ''
|
|
Enable the Apache ActiveMQ message broker service.
|
|
'';
|
|
};
|
|
configurationDir = mkOption {
|
|
default = "${activemq}/conf";
|
|
description = ''
|
|
The base directory for ActiveMQ's configuration.
|
|
By default, this directory is searched for a file named activemq.xml,
|
|
which should contain the configuration for the broker service.
|
|
'';
|
|
};
|
|
configurationURI = mkOption {
|
|
type = types.string;
|
|
default = "xbean:activemq.xml";
|
|
description = ''
|
|
The URI that is passed along to the BrokerFactory to
|
|
set up the configuration of the ActiveMQ broker service.
|
|
You should not need to change this. For custom configuration,
|
|
set the <literal>configurationDir</literal> instead, and create
|
|
an activemq.xml configuration file in it.
|
|
'';
|
|
};
|
|
baseDir = mkOption {
|
|
type = types.string;
|
|
default = "/var/activemq";
|
|
description = ''
|
|
The base directory where ActiveMQ stores its persistent data and logs.
|
|
This will be overridden if you set "activemq.base" and "activemq.data"
|
|
in the <literal>javaProperties</literal> option. You can also override
|
|
this in activemq.xml.
|
|
'';
|
|
};
|
|
javaProperties = mkOption {
|
|
type = types.attrs;
|
|
default = { };
|
|
example = {
|
|
"java.net.preferIPv4Stack" = "true";
|
|
};
|
|
apply = attrs: {
|
|
"activemq.base" = "${cfg.baseDir}";
|
|
"activemq.data" = "${cfg.baseDir}/data";
|
|
"activemq.conf" = "${cfg.configurationDir}";
|
|
"activemq.home" = "${activemq}";
|
|
} // attrs;
|
|
description = ''
|
|
Specifies Java properties that are sent to the ActiveMQ
|
|
broker service with the "-D" option. You can set properties
|
|
here to change the behaviour and configuration of the broker.
|
|
All essential properties that are not set here are automatically
|
|
given reasonable defaults.
|
|
'';
|
|
};
|
|
extraJavaOptions = mkOption {
|
|
type = types.string;
|
|
default = "";
|
|
example = "-Xmx2G -Xms2G -XX:MaxPermSize=512M";
|
|
description = ''
|
|
Add extra options here that you want to be sent to the
|
|
Java runtime when the broker service is started.
|
|
'';
|
|
};
|
|
};
|
|
};
|
|
|
|
config = mkIf cfg.enable {
|
|
users.extraUsers.activemq = {
|
|
description = "ActiveMQ server user";
|
|
group = "activemq";
|
|
uid = config.ids.uids.activemq;
|
|
};
|
|
|
|
users.extraGroups.activemq.gid = config.ids.gids.activemq;
|
|
|
|
systemd.services.activemq_init = {
|
|
wantedBy = [ "activemq.service" ];
|
|
partOf = [ "activemq.service" ];
|
|
before = [ "activemq.service" ];
|
|
serviceConfig.Type = "oneshot";
|
|
script = ''
|
|
mkdir -p "${cfg.javaProperties."activemq.data"}"
|
|
chown -R activemq "${cfg.javaProperties."activemq.data"}"
|
|
'';
|
|
};
|
|
|
|
systemd.services.activemq = {
|
|
wantedBy = [ "multi-user.target" ];
|
|
after = [ "network.target" ];
|
|
path = [ jre ];
|
|
serviceConfig.User = "activemq";
|
|
script = ''
|
|
source ${activemq}/lib/classpath.env
|
|
export CLASSPATH=${activemqBroker}/lib:${cfg.configurationDir}:$CLASSPATH
|
|
exec java \
|
|
${concatStringsSep " \\\n" (mapAttrsToList (name: value: "-D${name}=${value}") cfg.javaProperties)} \
|
|
${cfg.extraJavaOptions} ActiveMQBroker "${cfg.configurationURI}"
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
}
|