forked from mirrors/nixpkgs
342 lines
11 KiB
Nix
342 lines
11 KiB
Nix
{ config, options, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.rspamd;
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opts = options.services.rspamd;
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bindSocketOpts = {options, config, ... }: {
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options = {
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socket = mkOption {
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type = types.str;
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example = "localhost:11333";
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description = ''
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Socket for this worker to listen on in a format acceptable by rspamd.
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'';
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};
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mode = mkOption {
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type = types.str;
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default = "0644";
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description = "Mode to set on unix socket";
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};
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owner = mkOption {
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type = types.str;
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default = "${cfg.user}";
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description = "Owner to set on unix socket";
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};
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group = mkOption {
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type = types.str;
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default = "${cfg.group}";
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description = "Group to set on unix socket";
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};
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rawEntry = mkOption {
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type = types.str;
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internal = true;
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};
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};
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config.rawEntry = let
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maybeOption = option:
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optionalString options.${option}.isDefined " ${option}=${config.${option}}";
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in
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if (!(hasPrefix "/" config.socket)) then "${config.socket}"
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else "${config.socket}${maybeOption "mode"}${maybeOption "owner"}${maybeOption "group"}";
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};
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workerOpts = { name, ... }: {
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options = {
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enable = mkOption {
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type = types.nullOr types.bool;
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default = null;
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description = "Whether to run the rspamd worker.";
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};
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name = mkOption {
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type = types.nullOr types.str;
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default = name;
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description = "Name of the worker";
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};
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type = mkOption {
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type = types.nullOr (types.enum [
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"normal" "controller" "fuzzy_storage" "proxy" "lua"
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]);
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description = "The type of this worker";
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};
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bindSockets = mkOption {
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type = types.listOf (types.either types.str (types.submodule bindSocketOpts));
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default = [];
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description = ''
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List of sockets to listen, in format acceptable by rspamd
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'';
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example = [{
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socket = "/run/rspamd.sock";
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mode = "0666";
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owner = "rspamd";
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} "*:11333"];
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apply = value: map (each: if (isString each)
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then if (isUnixSocket each)
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then {socket = each; owner = cfg.user; group = cfg.group; mode = "0644"; rawEntry = "${each}";}
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else {socket = each; rawEntry = "${each}";}
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else each) value;
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};
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count = mkOption {
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type = types.nullOr types.int;
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default = null;
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description = ''
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Number of worker instances to run
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'';
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};
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includes = mkOption {
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type = types.listOf types.str;
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default = [];
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description = ''
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List of files to include in configuration
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = "Additional entries to put verbatim into worker section of rspamd config file.";
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};
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};
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config = mkIf (name == "normal" || name == "controller" || name == "fuzzy") {
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type = mkDefault name;
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includes = mkDefault [ "$CONFDIR/worker-${name}.inc" ];
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bindSockets = mkDefault (if name == "normal"
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then [{
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socket = "/run/rspamd/rspamd.sock";
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mode = "0660";
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owner = cfg.user;
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group = cfg.group;
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}]
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else if name == "controller"
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then [ "localhost:11334" ]
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else [] );
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};
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};
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indexOf = default: start: list: e:
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if list == []
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then default
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else if (head list) == e then start
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else (indexOf default (start + (length (listenStreams (head list).socket))) (tail list) e);
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systemdSocket = indexOf (abort "Socket not found") 0 allSockets;
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isUnixSocket = socket: hasPrefix "/" (if (isString socket) then socket else socket.socket);
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isPort = hasPrefix "*:";
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isIPv4Socket = hasPrefix "*v4:";
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isIPv6Socket = hasPrefix "*v6:";
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isLocalHost = hasPrefix "localhost:";
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listenStreams = socket:
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if (isLocalHost socket) then
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let port = (removePrefix "localhost:" socket);
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in [ "127.0.0.1:${port}" ] ++ (if config.networking.enableIPv6 then ["[::1]:${port}"] else [])
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else if (isIPv6Socket socket) then [removePrefix "*v6:" socket]
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else if (isPort socket) then [removePrefix "*:" socket]
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else if (isIPv4Socket socket) then
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throw "error: IPv4 only socket not supported in rspamd with socket activation"
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else if (length (splitString " " socket)) != 1 then
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throw "error: string options not supported in rspamd with socket activation"
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else [socket];
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mkBindSockets = enabled: socks: concatStringsSep "\n " (flatten (map (each:
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if cfg.socketActivation && enabled != false then
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let systemd = (systemdSocket each);
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in (imap (idx: e: "bind_socket = \"systemd:${toString (systemd + idx - 1)}\";") (listenStreams each.socket))
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else "bind_socket = \"${each.rawEntry}\";") socks));
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rspamdConfFile = pkgs.writeText "rspamd.conf"
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''
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.include "$CONFDIR/common.conf"
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options {
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pidfile = "$RUNDIR/rspamd.pid";
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.include "$CONFDIR/options.inc"
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}
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logging {
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type = "syslog";
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.include "$CONFDIR/logging.inc"
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}
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${concatStringsSep "\n" (mapAttrsToList (name: value: ''
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worker ${optionalString (value.name != "normal" && value.name != "controller") "${value.name}"} {
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type = "${value.type}";
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${optionalString (value.enable != null)
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"enabled = ${if value.enable != false then "yes" else "no"};"}
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${mkBindSockets value.enable value.bindSockets}
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${optionalString (value.count != null) "count = ${toString value.count};"}
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${concatStringsSep "\n " (map (each: ".include \"${each}\"") value.includes)}
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${value.extraConfig}
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}
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'') cfg.workers)}
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${cfg.extraConfig}
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'';
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allMappedSockets = flatten (mapAttrsToList (name: value:
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if value.enable != false
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then imap (idx: each: {
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name = "${name}";
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index = idx;
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value = each;
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}) value.bindSockets
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else []) cfg.workers);
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allSockets = map (e: e.value) allMappedSockets;
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allSocketNames = map (each: "rspamd-${each.name}-${toString each.index}.socket") allMappedSockets;
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in
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{
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###### interface
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options = {
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services.rspamd = {
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enable = mkEnableOption "Whether to run the rspamd daemon.";
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debug = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to run the rspamd daemon in debug mode.";
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};
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socketActivation = mkOption {
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type = types.bool;
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description = ''
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Enable systemd socket activation for rspamd.
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'';
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};
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workers = mkOption {
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type = with types; attrsOf (submodule workerOpts);
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description = ''
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Attribute set of workers to start.
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'';
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default = {
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normal = {};
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controller = {};
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};
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example = literalExample ''
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{
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normal = {
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includes = [ "$CONFDIR/worker-normal.inc" ];
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bindSockets = [{
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socket = "/run/rspamd/rspamd.sock";
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mode = "0660";
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owner = "${cfg.user}";
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group = "${cfg.group}";
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}];
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};
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controller = {
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includes = [ "$CONFDIR/worker-controller.inc" ];
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bindSockets = [ "[::1]:11334" ];
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};
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}
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'';
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Extra configuration to add at the end of the rspamd configuration
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file.
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'';
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};
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user = mkOption {
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type = types.string;
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default = "rspamd";
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description = ''
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User to use when no root privileges are required.
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'';
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};
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group = mkOption {
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type = types.string;
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default = "rspamd";
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description = ''
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Group to use when no root privileges are required.
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'';
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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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services.rspamd.socketActivation = mkDefault (!opts.bindSocket.isDefined && !opts.bindUISocket.isDefined);
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assertions = [ {
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assertion = !cfg.socketActivation || !(opts.bindSocket.isDefined || opts.bindUISocket.isDefined);
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message = "Can't use socketActivation for rspamd when using renamed bind socket options";
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} ];
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# Allow users to run 'rspamc' and 'rspamadm'.
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environment.systemPackages = [ pkgs.rspamd ];
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users.users = singleton {
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name = cfg.user;
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description = "rspamd daemon";
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uid = config.ids.uids.rspamd;
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group = cfg.group;
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};
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users.groups = singleton {
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name = cfg.group;
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gid = config.ids.gids.rspamd;
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};
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environment.etc."rspamd.conf".source = rspamdConfFile;
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systemd.services.rspamd = {
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description = "Rspamd Service";
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wantedBy = mkIf (!cfg.socketActivation) [ "multi-user.target" ];
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after = [ "network.target" ] ++
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(if cfg.socketActivation then allSocketNames else []);
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requires = mkIf cfg.socketActivation allSocketNames;
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serviceConfig = {
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ExecStart = "${pkgs.rspamd}/bin/rspamd ${optionalString cfg.debug "-d"} --user=${cfg.user} --group=${cfg.group} --pid=/run/rspamd.pid -c ${rspamdConfFile} -f";
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Restart = "always";
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RuntimeDirectory = "rspamd";
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PrivateTmp = true;
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Sockets = mkIf cfg.socketActivation (concatStringsSep " " allSocketNames);
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};
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preStart = ''
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${pkgs.coreutils}/bin/mkdir -p /var/lib/rspamd
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${pkgs.coreutils}/bin/chown ${cfg.user}:${cfg.group} /var/lib/rspamd
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'';
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};
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systemd.sockets = mkIf cfg.socketActivation
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(listToAttrs (map (each: {
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name = "rspamd-${each.name}-${toString each.index}";
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value = {
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description = "Rspamd socket ${toString each.index} for worker ${each.name}";
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wantedBy = [ "sockets.target" ];
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listenStreams = (listenStreams each.value.socket);
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socketConfig = {
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BindIPv6Only = mkIf (isIPv6Socket each.value.socket) "ipv6-only";
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Service = "rspamd.service";
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SocketUser = mkIf (isUnixSocket each.value.socket) each.value.owner;
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SocketGroup = mkIf (isUnixSocket each.value.socket) each.value.group;
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SocketMode = mkIf (isUnixSocket each.value.socket) each.value.mode;
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};
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};
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}) allMappedSockets));
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};
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imports = [
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(mkRenamedOptionModule [ "services" "rspamd" "bindSocket" ] [ "services" "rspamd" "workers" "normal" "bindSockets" ])
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(mkRenamedOptionModule [ "services" "rspamd" "bindUISocket" ] [ "services" "rspamd" "workers" "controller" "bindSockets" ])
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];
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}
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