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