nixpkgs/nixos/modules/services/search/solr.nix
2014-04-03 22:46:45 +02:00

148 lines
4 KiB
Nix

{ config, pkgs, ... }:
with pkgs.lib;
let
cfg = config.services.solr;
# Assemble all jars needed for solr
solrJars = pkgs.stdenv.mkDerivation {
name = "solr-jars";
src = pkgs.fetchurl {
url = http://archive.apache.org/dist/tomcat/tomcat-5/v5.5.36/bin/apache-tomcat-5.5.36.tar.gz;
sha256 = "01mzvh53wrs1p2ym765jwd00gl6kn8f9k3nhdrnhdqr8dhimfb2p";
};
buildPhases = [ "unpackPhase" "installPhase" ];
installPhase = ''
mkdir -p $out/lib
cp common/lib/*.jar $out/lib/
ln -s ${pkgs.ant}/lib/ant/lib/ant.jar $out/lib/
ln -s ${cfg.solrPackage}/lib/ext/* $out/lib/
ln -s ${pkgs.openjdk}/lib/openjdk/lib/tools.jar $out/lib/
'' + optionalString (cfg.extraJars != []) ''
for f in ${concatStringsSep " " cfg.extraJars}; do
cp $f $out/lib
done
'';
};
in {
options = {
services.solr = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Enables the solr service.
'';
};
javaPackage = mkOption {
type = types.package;
default = pkgs.openjre;
description = ''
Which Java derivation to use for running solr.
'';
};
solrPackage = mkOption {
type = types.package;
default = pkgs.solr;
description = ''
Which solr derivation to use for running solr.
'';
};
extraJars = mkOption {
type = types.listOf types.path;
default = [];
description = ''
List of paths pointing to jars. Jars are copied to commonLibFolder to be available to java/solr.
'';
};
log4jConfiguration = mkOption {
type = types.lines;
default = ''
log4j.rootLogger=INFO, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
'';
description = ''
Contents of the <literal>log4j.properties</literal> used. By default,
everything is logged to stdout (picked up by systemd) with level INFO.
'';
};
user = mkOption {
type = types.str;
description = ''
The user that should run the solr process and.
the working directories.
'';
};
group = mkOption {
type = types.str;
description = ''
The group that will own the working directory.
'';
};
solrHome = mkOption {
type = types.str;
description = ''
The solr home directory. It is your own responsibility to
make sure this directory contains a working solr configuration,
and is writeable by the the user running the solr service.
Failing to do so, the solr will not start properly.
'';
};
extraJavaOptions = mkOption {
type = types.listOf types.str;
default = [];
description = ''
Extra command line options given to the java process running
solr.
'';
};
extraWinstoneOptions = mkOption {
type = types.listOf types.str;
default = [];
description = ''
Extra command line options given to the Winstone, which is
the servlet container hosting solr.
'';
};
};
};
config = mkIf cfg.enable {
services.winstone.solr = {
serviceName = "solr";
inherit (cfg) user group javaPackage;
warFile = "${cfg.solrPackage}/lib/solr.war";
extraOptions = [
"--commonLibFolder=${solrJars}/lib"
"--useJasper"
] ++ cfg.extraWinstoneOptions;
extraJavaOptions = [
"-Dsolr.solr.home=${cfg.solrHome}"
"-Dlog4j.configuration=file://${pkgs.writeText "log4j.properties" cfg.log4jConfiguration}"
] ++ cfg.extraJavaOptions;
};
};
}