diff options
Diffstat (limited to 'nixos/modules/services/misc/dysnomia.nix')
| -rw-r--r-- | nixos/modules/services/misc/dysnomia.nix | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/nixos/modules/services/misc/dysnomia.nix b/nixos/modules/services/misc/dysnomia.nix new file mode 100644 index 000000000000..df44d0a54866 --- /dev/null +++ b/nixos/modules/services/misc/dysnomia.nix @@ -0,0 +1,217 @@ +{pkgs, lib, config, ...}: + +with lib; + +let + cfg = config.dysnomia; + + printProperties = properties: + concatMapStrings (propertyName: + let + property = properties."${propertyName}"; + in + if isList property then "${propertyName}=(${lib.concatMapStrings (elem: "\"${toString elem}\" ") (properties."${propertyName}")})\n" + else "${propertyName}=\"${toString property}\"\n" + ) (builtins.attrNames properties); + + properties = pkgs.stdenv.mkDerivation { + name = "dysnomia-properties"; + buildCommand = '' + cat > $out << "EOF" + ${printProperties cfg.properties} + EOF + ''; + }; + + containersDir = pkgs.stdenv.mkDerivation { + name = "dysnomia-containers"; + buildCommand = '' + mkdir -p $out + cd $out + + ${concatMapStrings (containerName: + let + containerProperties = cfg.containers."${containerName}"; + in + '' + cat > ${containerName} <<EOF + ${printProperties containerProperties} + type=${containerName} + EOF + '' + ) (builtins.attrNames cfg.containers)} + ''; + }; + + linkMutableComponents = {containerName}: + '' + mkdir ${containerName} + + ${concatMapStrings (componentName: + let + component = cfg.components."${containerName}"."${componentName}"; + in + "ln -s ${component} ${containerName}/${componentName}\n" + ) (builtins.attrNames (cfg.components."${containerName}" or {}))} + ''; + + componentsDir = pkgs.stdenv.mkDerivation { + name = "dysnomia-components"; + buildCommand = '' + mkdir -p $out + cd $out + + ${concatMapStrings (containerName: + let + components = cfg.components."${containerName}"; + in + linkMutableComponents { inherit containerName; } + ) (builtins.attrNames cfg.components)} + ''; + }; +in +{ + options = { + dysnomia = { + + enable = mkOption { + type = types.bool; + default = false; + description = "Whether to enable Dysnomia"; + }; + + enableAuthentication = mkOption { + type = types.bool; + default = false; + description = "Whether to publish privacy-sensitive authentication credentials"; + }; + + package = mkOption { + type = types.path; + description = "The Dysnomia package"; + }; + + properties = mkOption { + description = "An attribute set in which each attribute represents a machine property. Optionally, these values can be shell substitutions."; + default = {}; + }; + + containers = mkOption { + description = "An attribute set in which each key represents a container and each value an attribute set providing its configuration properties"; + default = {}; + }; + + components = mkOption { + 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"; + default = {}; + }; + + extraContainerProperties = mkOption { + description = "An attribute set providing additional container settings in addition to the default properties"; + default = {}; + }; + + extraContainerPaths = mkOption { + description = "A list of paths containing additional container configurations that are added to the search folders"; + default = []; + }; + + extraModulePaths = mkOption { + description = "A list of paths containing additional modules that are added to the search folders"; + default = []; + }; + }; + }; + + config = mkIf cfg.enable { + + environment.etc = { + "dysnomia/containers" = { + source = containersDir; + }; + "dysnomia/components" = { + source = componentsDir; + }; + "dysnomia/properties" = { + source = properties; + }; + }; + + environment.variables = { + DYSNOMIA_STATEDIR = "/var/state/dysnomia-nixos"; + DYSNOMIA_CONTAINERS_PATH = "${lib.concatMapStrings (containerPath: "${containerPath}:") cfg.extraContainerPaths}/etc/dysnomia/containers"; + DYSNOMIA_MODULES_PATH = "${lib.concatMapStrings (modulePath: "${modulePath}:") cfg.extraModulePaths}/etc/dysnomia/modules"; + }; + + environment.systemPackages = [ cfg.package ]; + + dysnomia.package = 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; + enableMongoDatabase = config.services.mongodb.enable; + }); + + dysnomia.properties = { + hostname = config.networking.hostName; + system = if config.nixpkgs.system == "" then builtins.currentSystem else config.nixpkgs.system; + + supportedTypes = (import "${pkgs.stdenv.mkDerivation { + name = "supportedtypes"; + buildCommand = '' + ( echo -n "[ " + cd ${cfg.package}/libexec/dysnomia + for i in * + do + echo -n "\"$i\" " + done + echo -n " ]") > $out + ''; + }}"); + }; + + dysnomia.containers = lib.recursiveUpdate ({ + process = {}; + wrapper = {}; + } + // lib.optionalAttrs (config.services.httpd.enable) { apache-webapplication = { + documentRoot = config.services.httpd.documentRoot; + }; } + // lib.optionalAttrs (config.services.tomcat.axis2.enable) { axis2-webservice = {}; } + // lib.optionalAttrs (config.services.ejabberd.enable) { ejabberd-dump = { + ejabberdUser = config.services.ejabberd.user; + }; } + // lib.optionalAttrs (config.services.mysql.enable) { mysql-database = { + mysqlPort = config.services.mysql.port; + } // lib.optionalAttrs cfg.enableAuthentication { + mysqlUsername = "root"; + mysqlPassword = builtins.readFile (config.services.mysql.rootPassword); + }; + } + // lib.optionalAttrs (config.services.postgresql.enable && cfg.enableAuthentication) { postgresql-database = { + postgresqlUsername = "root"; + }; } + // lib.optionalAttrs (config.services.tomcat.enable) { tomcat-webapplication = { + tomcatPort = 8080; + }; } + // lib.optionalAttrs (config.services.mongodb.enable) { mongo-database = {}; } + // lib.optionalAttrs (config.services.svnserve.enable) { subversion-repository = { + svnBaseDir = config.services.svnserve.svnBaseDir; + }; }) cfg.extraContainerProperties; + + system.activationScripts.dysnomia = '' + mkdir -p /etc/systemd-mutable/system + if [ ! -f /etc/systemd-mutable/system/dysnomia.target ] + then + ( echo "[Unit]" + echo "Description=Services that are activated and deactivated by Dysnomia" + echo "After=final.target" + ) > /etc/systemd-mutable/system/dysnomia.target + fi + ''; + }; +} |