disnix-module: split dysnomia's functionality into a separate module so that it can be used without Disnix and remove the hacky/obsolete avahi publisher
This commit is contained in:
Sander van der Burg
parent
dddb5179c2
commit
8fccaa9011
3 changed files with 233 additions and 93 deletions
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@ -219,6 +219,7 @@
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./services/misc/confd.nix
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./services/misc/devmon.nix
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./services/misc/dictd.nix
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./services/misc/dysnomia.nix
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./services/misc/disnix.nix
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./services/misc/docker-registry.nix
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./services/misc/emby.nix
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@ -36,49 +36,32 @@ in
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default = false;
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description = "Whether to enable the DisnixWebService interface running on Apache Tomcat";
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};
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publishInfrastructure = {
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enable = mkOption {
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default = false;
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description = "Whether to publish capabilities/properties of this machine in as attributes in the infrastructure option";
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};
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enableAuthentication = mkOption {
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default = false;
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description = "Whether to publish authentication credentials through the infrastructure attribute (not recommended in combination with Avahi)";
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};
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};
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infrastructure = mkOption {
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default = {};
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description = "List of name value pairs containing properties for the infrastructure model";
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};
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publishAvahi = mkOption {
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default = false;
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description = "Whether to publish capabilities/properties as a Disnix service through Avahi";
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package = mkOption {
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type = types.path;
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description = "The Disnix package";
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default = pkgs.disnix;
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ pkgs.disnix pkgs.dysnomia ] ++ optional cfg.useWebServiceInterface pkgs.DisnixWebService;
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dysnomia.enable = true;
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environment.systemPackages = [ pkgs.disnix ] ++ optional cfg.useWebServiceInterface pkgs.DisnixWebService;
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services.dbus.enable = true;
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services.dbus.packages = [ pkgs.disnix ];
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services.avahi.enable = cfg.publishAvahi;
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services.tomcat.enable = cfg.useWebServiceInterface;
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services.tomcat.extraGroups = [ "disnix" ];
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services.tomcat.javaOpts = "${optionalString cfg.useWebServiceInterface "-Djava.library.path=${pkgs.libmatthew_java}/lib/jni"} ";
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services.tomcat.sharedLibs = optional cfg.useWebServiceInterface "${pkgs.DisnixWebService}/share/java/DisnixConnection.jar"
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++ optional cfg.useWebServiceInterface "${pkgs.dbus_java}/share/java/dbus.jar";
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++ optional cfg.useWebServiceInterface "${pkgs.dbus_java}/share/java/dbus.jar";
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services.tomcat.webapps = optional cfg.useWebServiceInterface pkgs.DisnixWebService;
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users.extraGroups = singleton
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@ -86,38 +69,6 @@ in
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gid = config.ids.gids.disnix;
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};
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services.disnix.infrastructure =
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optionalAttrs (cfg.publishInfrastructure.enable)
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( { hostname = config.networking.hostName;
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#targetHost = config.deployment.targetHost;
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system = if config.nixpkgs.system == "" then builtins.currentSystem else config.nixpkgs.system;
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supportedTypes = (import "${pkgs.stdenv.mkDerivation {
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name = "supportedtypes";
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buildCommand = ''
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( echo -n "[ "
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cd ${dysnomia}/libexec/dysnomia
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for i in *
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do
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echo -n "\"$i\" "
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done
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echo -n " ]") > $out
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'';
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}}");
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}
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#// optionalAttrs (cfg.useWebServiceInterface) { targetEPR = "http://${config.deployment.targetHost}:8080/DisnixWebService/services/DisnixWebService"; }
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// optionalAttrs (config.services.httpd.enable) { documentRoot = config.services.httpd.documentRoot; }
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// optionalAttrs (config.services.mysql.enable) { mysqlPort = config.services.mysql.port; }
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// optionalAttrs (config.services.tomcat.enable) { tomcatPort = 8080; }
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// optionalAttrs (config.services.svnserve.enable) { svnBaseDir = config.services.svnserve.svnBaseDir; }
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// optionalAttrs (config.services.ejabberd.enable) { ejabberdUser = config.services.ejabberd.user; }
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// optionalAttrs (cfg.publishInfrastructure.enableAuthentication) (
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optionalAttrs (config.services.mysql.enable) { mysqlUsername = "root"; mysqlPassword = readFile config.services.mysql.rootPassword; })
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)
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;
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services.disnix.publishInfrastructure.enable = cfg.publishAvahi;
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systemd.services = {
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disnix = {
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description = "Disnix server";
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@ -133,46 +84,17 @@ in
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restartIfChanged = false;
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path = [ pkgs.nix pkgs.disnix dysnomia "/run/current-system/sw" ];
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path = [ config.nix.package cfg.package config.dysnomia.package "/run/current-system/sw" ];
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environment = {
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HOME = "/root";
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};
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preStart = ''
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mkdir -p /etc/systemd-mutable/system
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if [ ! -f /etc/systemd-mutable/system/dysnomia.target ]
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then
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( echo "[Unit]"
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echo "Description=Services that are activated and deactivated by Dysnomia"
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echo "After=final.target"
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) > /etc/systemd-mutable/system/dysnomia.target
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fi
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'';
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script = "disnix-service";
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}
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// (if config.environment.variables ? DYSNOMIA_CONTAINERS_PATH then { inherit (config.environment.variables) DYSNOMIA_CONTAINERS_PATH; } else {})
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// (if config.environment.variables ? DYSNOMIA_MODULES_PATH then { inherit (config.environment.variables) DYSNOMIA_MODULES_PATH; } else {});
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serviceConfig.ExecStart = "${cfg.package}/bin/disnix-service";
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};
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} // optionalAttrs cfg.publishAvahi {
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disnixAvahi = {
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description = "Disnix Avahi publisher";
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wants = [ "avahi-daemon.service" ];
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wantedBy = [ "multi-user.target" ];
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script = ''
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${pkgs.avahi}/bin/avahi-publish-service disnix-${config.networking.hostName} _disnix._tcp 22 \
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"mem=$(grep 'MemTotal:' /proc/meminfo | sed -e 's/kB//' -e 's/MemTotal://' -e 's/ //g')" \
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${concatMapStrings (infrastructureAttrName:
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let infrastructureAttrValue = getAttr infrastructureAttrName (cfg.infrastructure);
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in
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if isInt infrastructureAttrValue then
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''${infrastructureAttrName}=${toString infrastructureAttrValue} \
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''
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else
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''${infrastructureAttrName}=\"${infrastructureAttrValue}\" \
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''
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) (attrNames (cfg.infrastructure))}
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'';
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};
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};
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};
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}
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217
nixos/modules/services/misc/dysnomia.nix
Normal file
217
nixos/modules/services/misc/dysnomia.nix
Normal file
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@ -0,0 +1,217 @@
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{pkgs, lib, config, ...}:
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with lib;
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let
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cfg = config.dysnomia;
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printProperties = properties:
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concatMapStrings (propertyName:
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let
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property = properties."${propertyName}";
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in
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if isList property then "${propertyName}=(${lib.concatMapStrings (elem: "\"${toString elem}\" ") (properties."${propertyName}")})\n"
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else "${propertyName}=\"${toString property}\"\n"
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) (builtins.attrNames properties);
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properties = pkgs.stdenv.mkDerivation {
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name = "dysnomia-properties";
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buildCommand = ''
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cat > $out << "EOF"
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${printProperties cfg.properties}
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EOF
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'';
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};
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containersDir = pkgs.stdenv.mkDerivation {
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name = "dysnomia-containers";
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buildCommand = ''
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mkdir -p $out
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cd $out
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${concatMapStrings (containerName:
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let
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containerProperties = cfg.containers."${containerName}";
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in
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''
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cat > ${containerName} <<EOF
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${printProperties containerProperties}
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type=${containerName}
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EOF
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''
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) (builtins.attrNames cfg.containers)}
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'';
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};
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linkMutableComponents = {containerName}:
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''
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mkdir ${containerName}
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${concatMapStrings (componentName:
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let
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component = cfg.components."${containerName}"."${componentName}";
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in
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"ln -s ${component} ${containerName}/${componentName}\n"
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) (builtins.attrNames (cfg.components."${containerName}" or {}))}
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'';
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componentsDir = pkgs.stdenv.mkDerivation {
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name = "dysnomia-components";
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buildCommand = ''
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mkdir -p $out
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cd $out
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${concatMapStrings (containerName:
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let
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components = cfg.components."${containerName}";
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in
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linkMutableComponents { inherit containerName; }
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) (builtins.attrNames cfg.components)}
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'';
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};
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in
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{
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options = {
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dysnomia = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to enable Dysnomia";
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};
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enableAuthentication = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to publish privacy-sensitive authentication credentials";
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};
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package = mkOption {
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type = types.path;
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description = "The Dysnomia package";
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};
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properties = mkOption {
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description = "An attribute set in which each attribute represents a machine property. Optionally, these values can be shell substitutions.";
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default = {};
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};
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containers = mkOption {
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description = "An attribute set in which each key represents a container and each value an attribute set providing its configuration properties";
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default = {};
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};
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components = mkOption {
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description = "An atttribute set in which each key represents a container and each value an attribute set in which each key represents a component and each value a derivation constructing its initial state";
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default = {};
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};
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extraContainerProperties = mkOption {
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description = "An attribute set providing additional container settings in addition to the default properties";
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default = {};
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};
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extraContainerPaths = mkOption {
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description = "A list of paths containing additional container configurations that are added to the search folders";
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default = [];
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};
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extraModulePaths = mkOption {
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description = "A list of paths containing additional modules that are added to the search folders";
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default = [];
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};
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};
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};
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config = mkIf cfg.enable {
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environment.etc = {
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"dysnomia/containers" = {
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source = containersDir;
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};
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"dysnomia/components" = {
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source = componentsDir;
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};
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"dysnomia/properties" = {
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source = properties;
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};
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};
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environment.variables = {
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DYSNOMIA_STATEDIR = "/var/state/dysnomia-nixos";
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DYSNOMIA_CONTAINERS_PATH = "${lib.concatMapStrings (containerPath: "${containerPath}:") cfg.extraContainerPaths}/etc/dysnomia/containers";
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DYSNOMIA_MODULES_PATH = "${lib.concatMapStrings (modulePath: "${modulePath}:") cfg.extraModulePaths}/etc/dysnomia/modules";
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};
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environment.systemPackages = [ cfg.package ];
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dysnomia.package = pkgs.dysnomia.override (origArgs: {
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enableApacheWebApplication = config.services.httpd.enable;
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enableAxis2WebService = config.services.tomcat.axis2.enable;
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enableEjabberdDump = config.services.ejabberd.enable;
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enableMySQLDatabase = config.services.mysql.enable;
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enablePostgreSQLDatabase = config.services.postgresql.enable;
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enableSubversionRepository = config.services.svnserve.enable;
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enableTomcatWebApplication = config.services.tomcat.enable;
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enableMongoDatabase = config.services.mongodb.enable;
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});
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dysnomia.properties = {
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hostname = config.networking.hostName;
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system = if config.nixpkgs.system == "" then builtins.currentSystem else config.nixpkgs.system;
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supportedTypes = (import "${pkgs.stdenv.mkDerivation {
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name = "supportedtypes";
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buildCommand = ''
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( echo -n "[ "
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cd ${cfg.package}/libexec/dysnomia
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for i in *
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do
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echo -n "\"$i\" "
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done
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echo -n " ]") > $out
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'';
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}}");
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};
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dysnomia.containers = lib.recursiveUpdate ({
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process = {};
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wrapper = {};
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}
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// lib.optionalAttrs (config.services.httpd.enable) { apache-webapplication = {
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documentRoot = config.services.httpd.documentRoot;
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}; }
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// lib.optionalAttrs (config.services.tomcat.axis2.enable) { axis2-webservice = {}; }
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// lib.optionalAttrs (config.services.ejabberd.enable) { ejabberd-dump = {
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ejabberdUser = config.services.ejabberd.user;
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}; }
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// lib.optionalAttrs (config.services.mysql.enable) { mysql-database = {
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mysqlPort = config.services.mysql.port;
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} // lib.optionalAttrs cfg.enableAuthentication {
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mysqlUsername = "root";
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mysqlPassword = builtins.readFile (config.services.mysql.rootPassword);
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};
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}
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// lib.optionalAttrs (config.services.postgresql.enable && cfg.enableAuthentication) { postgresql-database = {
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postgresqlUsername = "root";
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}; }
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// lib.optionalAttrs (config.services.tomcat.enable) { tomcat-webapplication = {
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tomcatPort = 8080;
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}; }
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// lib.optionalAttrs (config.services.mongodb.enable) { mongo-database = {}; }
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// lib.optionalAttrs (config.services.svnserve.enable) { subversion-repository = {
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svnBaseDir = config.services.svnserve.svnBaseDir;
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}; }) cfg.extraContainerProperties;
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system.activationScripts.dysnomia = ''
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mkdir -p /etc/systemd-mutable/system
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if [ ! -f /etc/systemd-mutable/system/dysnomia.target ]
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then
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( echo "[Unit]"
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echo "Description=Services that are activated and deactivated by Dysnomia"
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echo "After=final.target"
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) > /etc/systemd-mutable/system/dysnomia.target
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fi
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'';
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};
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}
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