diff options
Diffstat (limited to 'nixos/modules/services/misc/disnix.nix')
-rw-r--r-- | nixos/modules/services/misc/disnix.nix | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/nixos/modules/services/misc/disnix.nix b/nixos/modules/services/misc/disnix.nix new file mode 100644 index 000000000000..6419e6f8fc7b --- /dev/null +++ b/nixos/modules/services/misc/disnix.nix @@ -0,0 +1,164 @@ +# Disnix server +{ config, pkgs, ... }: + +with pkgs.lib; + +let + + cfg = config.services.disnix; + + dysnomia = pkgs.dysnomia.override (origArgs: { + enableApacheWebApplication = config.services.httpd.enable; + enableAxis2WebService = config.services.tomcat.axis2.enable; + enableEjabberdDump = config.services.ejabberd.enable; + enableMySQLDatabase = config.services.mysql.enable; + enablePostgreSQLDatabase = config.services.postgresql.enable; + enableSubversionRepository = config.services.svnserve.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"; + }; + + publishInfrastructure = { + enable = mkOption { + default = false; + description = "Whether to publish capabilities/properties of this machine in as attributes in the infrastructure option"; + }; + + enableAuthentication = mkOption { + default = false; + description = "Whether to publish authentication credentials through the infrastructure attribute (not recommended in combination with Avahi)"; + }; + }; + + infrastructure = mkOption { + default = {}; + description = "List of name value pairs containing properties for the infrastructure model"; + }; + + 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.avahi.enable = cfg.publishAvahi; + + 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; + }; + + services.disnix.infrastructure = + optionalAttrs (cfg.publishInfrastructure.enable) + ( { hostname = config.networking.hostName; + #targetHost = config.deployment.targetHost; + system = if config.nixpkgs.system == "" then builtins.currentSystem else config.nixpkgs.system; + + supportedTypes = (import "${pkgs.stdenv.mkDerivation { + name = "supportedtypes"; + buildCommand = '' + ( echo -n "[ " + cd ${dysnomia}/libexec/dysnomia + for i in * + do + echo -n "\"$i\" " + done + echo -n " ]") > $out + ''; + }}"); + } + #// optionalAttrs (cfg.useWebServiceInterface) { targetEPR = "http://${config.deployment.targetHost}:8080/DisnixWebService/services/DisnixWebService"; } + // optionalAttrs (config.services.httpd.enable) { documentRoot = config.services.httpd.documentRoot; } + // optionalAttrs (config.services.mysql.enable) { mysqlPort = config.services.mysql.port; } + // optionalAttrs (config.services.tomcat.enable) { tomcatPort = 8080; } + // optionalAttrs (config.services.svnserve.enable) { svnBaseDir = config.services.svnserve.svnBaseDir; } + // optionalAttrs (cfg.publishInfrastructure.enableAuthentication) ( + optionalAttrs (config.services.mysql.enable) { mysqlUsername = "root"; mysqlPassword = builtins.readFile config.services.mysql.rootPassword; }) + ) + ; + + services.disnix.publishInfrastructure.enable = cfg.publishAvahi; + + jobs = { + disnix = + { description = "Disnix server"; + + wantedBy = [ "multi-user.target" ]; + after = [ "dbus.service" ] + ++ optional config.services.httpd.enable "httpd.service" + ++ optional config.services.mysql.enable "mysql.service" + ++ optional config.services.tomcat.enable "tomcat.service" + ++ optional config.services.svnserve.enable "svnserve.service"; + + restartIfChanged = false; + + path = [ pkgs.nix pkgs.disnix ]; + + script = + '' + export HOME=/root + disnix-service --dysnomia-modules-dir=${dysnomia}/libexec/dysnomia + ''; + }; + } // optionalAttrs cfg.publishAvahi { + disnixAvahi = + { description = "Disnix Avahi publisher"; + + startOn = "started avahi-daemon"; + + exec = + '' + ${pkgs.avahi}/bin/avahi-publish-service disnix-${config.networking.hostName} _disnix._tcp 22 \ + "mem=$(grep 'MemTotal:' /proc/meminfo | sed -e 's/kB//' -e 's/MemTotal://' -e 's/ //g')" \ + ${concatMapStrings (infrastructureAttrName: + let infrastructureAttrValue = getAttr infrastructureAttrName (cfg.infrastructure); + in + if builtins.isInt infrastructureAttrValue then + ''${infrastructureAttrName}=${toString infrastructureAttrValue} \ + '' + else + ''${infrastructureAttrName}=\"${infrastructureAttrValue}\" \ + '' + ) (attrNames (cfg.infrastructure))} + ''; + }; + }; + }; +} |