nixpkgs/modules/services/misc/disnix.nix
Sander van der Burg ad48c7c534 Initial implementation for the Disnix avahi publisher
svn path=/nixos/trunk/; revision=24789
2010-11-21 13:28:48 +00:00

106 lines
3.3 KiB
Nix

# Disnix server
{ config, pkgs, ... }:
with pkgs.lib;
let
cfg = config.services.disnix;
disnix_activation_scripts = pkgs.disnix_activation_scripts.override (origArgs: {
enableApacheWebApplication = config.services.httpd.enable;
enableAxis2WebService = config.services.tomcat.axis2.enable;
enableEjabberdDump = config.services.ejabberd.enable;
enableMySQLDatabase = config.services.mysql.enable;
enableTomcatWebApplication = config.services.tomcat.enable;
});
in
{
###### interface
options = {
services.disnix = {
enable = mkOption {
default = false;
description = "Whether to enable Disnix";
};
useWebServiceInterface = mkOption {
default = false;
description = "Whether to enable the DisnixWebService interface running on Apache Tomcat";
};
publishAvahi = mkOption {
default = false;
description = "Whether to publish capabilities/properties as a Disnix service through Avahi";
};
};
};
###### implementation
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.disnix ] ++ optional cfg.useWebServiceInterface pkgs.DisnixWebService;
services.dbus.enable = true;
services.dbus.packages = [ pkgs.disnix ];
services.tomcat.enable = cfg.useWebServiceInterface;
services.tomcat.extraGroups = [ "disnix" ];
services.tomcat.javaOpts = "${optionalString cfg.useWebServiceInterface "-Djava.library.path=${pkgs.libmatthew_java}/lib/jni"} ";
services.tomcat.sharedLibs = []
++ optional cfg.useWebServiceInterface "${pkgs.DisnixWebService}/share/java/DisnixConnection.jar"
++ optional cfg.useWebServiceInterface "${pkgs.dbus_java}/share/java/dbus.jar";
services.tomcat.webapps = [] ++ optional cfg.useWebServiceInterface pkgs.DisnixWebService;
users.extraGroups = singleton
{ name = "disnix";
gid = config.ids.gids.disnix;
};
jobs.disnix =
{ description = "Disnix server";
startOn = "started dbus";
script =
''
export PATH=/var/run/current-system/sw/bin:/var/run/current-system/sw/sbin
export HOME=/root
${pkgs.disnix}/bin/disnix-service --activation-modules-dir=${disnix_activation_scripts}/libexec/disnix/activation-scripts
'';
};
} //
mkIf cfg.publishAvahi {
services.avahi.enable = true;
jobs.disnixAvahi =
{ description = "Disnix Avahi publisher";
startOn = "started avahi-daemon";
exec =
''
${pkgs.avahi}/bin/avahi-publish-service disnix-$(${pkgs.nettools}/bin/hostname) _disnix._tcp 22 \
"hostname=\"$(${pkgs.nettools}/bin/hostname)\"" \
"mem=$(grep 'MemTotal:' /proc/meminfo | sed -e 's/kB//' -e 's/MemTotal://' -e 's/ //g')" \
${optionalString (config.services.httpd.enable) ''"documentRoot=\"${config.services.httpd.documentRoot}\""''} \
${optionalString (config.services.mysql.enable) ''"mysqlPort=3306"''} \
${optionalString (config.services.tomcat.enable) ''"tomcatPort=8080"''} \
"supportedTypes=[$(for i in ${disnix_activation_scripts}/libexec/disnix/activation-scripts/*; do echo -n " \"$(basename $i)\""; done) ]"
'';
};
};
}