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nixpkgs/nixos/modules/services/networking/murmur.nix
pennae 2e751c0772 treewide: automatically md-convert option descriptions
the conversion procedure is simple:

 - find all things that look like options, ie calls to either `mkOption`
   or `lib.mkOption` that take an attrset. remember the attrset as the
   option
 - for all options, find a `description` attribute who's value is not a
   call to `mdDoc` or `lib.mdDoc`
 - textually convert the entire value of the attribute to MD with a few
   simple regexes (the set from mdize-module.sh)
 - if the change produced a change in the manual output, discard
 - if the change kept the manual unchanged, add some text to the
   description to make sure we've actually found an option. if the
   manual changes this time, keep the converted description

this procedure converts 80% of nixos options to markdown. around 2000
options remain to be inspected, but most of those fail the "does not
change the manual output check": currently the MD conversion process
does not faithfully convert docbook tags like <code> and <package>, so
any option using such tags will not be converted at all.
2022-07-30 15:16:34 +02:00

332 lines
9.9 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.murmur;
forking = cfg.logFile != null;
configFile = pkgs.writeText "murmurd.ini" ''
database=/var/lib/murmur/murmur.sqlite
dbDriver=QSQLITE
autobanAttempts=${toString cfg.autobanAttempts}
autobanTimeframe=${toString cfg.autobanTimeframe}
autobanTime=${toString cfg.autobanTime}
logfile=${optionalString (cfg.logFile != null) cfg.logFile}
${optionalString forking "pidfile=/run/murmur/murmurd.pid"}
welcometext="${cfg.welcometext}"
port=${toString cfg.port}
${if cfg.hostName == "" then "" else "host="+cfg.hostName}
${if cfg.password == "" then "" else "serverpassword="+cfg.password}
bandwidth=${toString cfg.bandwidth}
users=${toString cfg.users}
textmessagelength=${toString cfg.textMsgLength}
imagemessagelength=${toString cfg.imgMsgLength}
allowhtml=${boolToString cfg.allowHtml}
logdays=${toString cfg.logDays}
bonjour=${boolToString cfg.bonjour}
sendversion=${boolToString cfg.sendVersion}
${if cfg.registerName == "" then "" else "registerName="+cfg.registerName}
${if cfg.registerPassword == "" then "" else "registerPassword="+cfg.registerPassword}
${if cfg.registerUrl == "" then "" else "registerUrl="+cfg.registerUrl}
${if cfg.registerHostname == "" then "" else "registerHostname="+cfg.registerHostname}
certrequired=${boolToString cfg.clientCertRequired}
${if cfg.sslCert == "" then "" else "sslCert="+cfg.sslCert}
${if cfg.sslKey == "" then "" else "sslKey="+cfg.sslKey}
${if cfg.sslCa == "" then "" else "sslCA="+cfg.sslCa}
${cfg.extraConfig}
'';
in
{
imports = [
(mkRenamedOptionModule [ "services" "murmur" "welcome" ] [ "services" "murmur" "welcometext" ])
(mkRemovedOptionModule [ "services" "murmur" "pidfile" ] "Hardcoded to /run/murmur/murmurd.pid now")
];
options = {
services.murmur = {
enable = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc "If enabled, start the Murmur Mumble server.";
};
openFirewall = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Open ports in the firewall for the Murmur Mumble server.
'';
};
autobanAttempts = mkOption {
type = types.int;
default = 10;
description = lib.mdDoc ''
Number of attempts a client is allowed to make in
`autobanTimeframe` seconds, before being
banned for `autobanTime`.
'';
};
autobanTimeframe = mkOption {
type = types.int;
default = 120;
description = lib.mdDoc ''
Timeframe in which a client can connect without being banned
for repeated attempts (in seconds).
'';
};
autobanTime = mkOption {
type = types.int;
default = 300;
description = lib.mdDoc "The amount of time an IP ban lasts (in seconds).";
};
logFile = mkOption {
type = types.nullOr types.path;
default = null;
example = "/var/log/murmur/murmurd.log";
description = lib.mdDoc "Path to the log file for Murmur daemon. Empty means log to journald.";
};
welcometext = mkOption {
type = types.str;
default = "";
description = lib.mdDoc "Welcome message for connected clients.";
};
port = mkOption {
type = types.port;
default = 64738;
description = lib.mdDoc "Ports to bind to (UDP and TCP).";
};
hostName = mkOption {
type = types.str;
default = "";
description = lib.mdDoc "Host to bind to. Defaults binding on all addresses.";
};
package = mkOption {
type = types.package;
default = pkgs.murmur;
defaultText = literalExpression "pkgs.murmur";
description = lib.mdDoc "Overridable attribute of the murmur package to use.";
};
password = mkOption {
type = types.str;
default = "";
description = lib.mdDoc "Required password to join server, if specified.";
};
bandwidth = mkOption {
type = types.int;
default = 72000;
description = lib.mdDoc ''
Maximum bandwidth (in bits per second) that clients may send
speech at.
'';
};
users = mkOption {
type = types.int;
default = 100;
description = lib.mdDoc "Maximum number of concurrent clients allowed.";
};
textMsgLength = mkOption {
type = types.int;
default = 5000;
description = lib.mdDoc "Max length of text messages. Set 0 for no limit.";
};
imgMsgLength = mkOption {
type = types.int;
default = 131072;
description = lib.mdDoc "Max length of image messages. Set 0 for no limit.";
};
allowHtml = mkOption {
type = types.bool;
default = true;
description = lib.mdDoc ''
Allow HTML in client messages, comments, and channel
descriptions.
'';
};
logDays = mkOption {
type = types.int;
default = 31;
description = lib.mdDoc ''
How long to store RPC logs for in the database. Set 0 to
keep logs forever, or -1 to disable DB logging.
'';
};
bonjour = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc ''
Enable Bonjour auto-discovery, which allows clients over
your LAN to automatically discover Murmur servers.
'';
};
sendVersion = mkOption {
type = types.bool;
default = true;
description = lib.mdDoc "Send Murmur version in UDP response.";
};
registerName = mkOption {
type = types.str;
default = "";
description = lib.mdDoc ''
Public server registration name, and also the name of the
Root channel. Even if you don't publicly register your
server, you probably still want to set this.
'';
};
registerPassword = mkOption {
type = types.str;
default = "";
description = lib.mdDoc ''
Public server registry password, used authenticate your
server to the registry to prevent impersonation; required for
subsequent registry updates.
'';
};
registerUrl = mkOption {
type = types.str;
default = "";
description = lib.mdDoc "URL website for your server.";
};
registerHostname = mkOption {
type = types.str;
default = "";
description = ''
DNS hostname where your server can be reached. This is only
needed if you want your server to be accessed by its
hostname and not IP - but the name *must* resolve on the
internet properly.
'';
};
clientCertRequired = mkOption {
type = types.bool;
default = false;
description = lib.mdDoc "Require clients to authenticate via certificates.";
};
sslCert = mkOption {
type = types.str;
default = "";
description = lib.mdDoc "Path to your SSL certificate.";
};
sslKey = mkOption {
type = types.str;
default = "";
description = lib.mdDoc "Path to your SSL key.";
};
sslCa = mkOption {
type = types.str;
default = "";
description = lib.mdDoc "Path to your SSL CA certificate.";
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = lib.mdDoc "Extra configuration to put into murmur.ini.";
};
environmentFile = mkOption {
type = types.nullOr types.path;
default = null;
example = "/var/lib/murmur/murmurd.env";
description = ''
Environment file as defined in <citerefentry>
<refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum>
</citerefentry>.
Secrets may be passed to the service without adding them to the world-readable
Nix store, by specifying placeholder variables as the option value in Nix and
setting these variables accordingly in the environment file.
<programlisting>
# snippet of murmur-related config
services.murmur.password = "$MURMURD_PASSWORD";
</programlisting>
<programlisting>
# content of the environment file
MURMURD_PASSWORD=verysecretpassword
</programlisting>
Note that this file needs to be available on the host on which
<literal>murmur</literal> is running.
'';
};
};
};
config = mkIf cfg.enable {
users.users.murmur = {
description = "Murmur Service user";
home = "/var/lib/murmur";
createHome = true;
uid = config.ids.uids.murmur;
group = "murmur";
};
users.groups.murmur = {
gid = config.ids.gids.murmur;
};
networking.firewall = mkIf cfg.openFirewall {
allowedTCPPorts = [ cfg.port ];
allowedUDPPorts = [ cfg.port ];
};
systemd.services.murmur = {
description = "Murmur Chat Service";
wantedBy = [ "multi-user.target" ];
after = [ "network-online.target" ];
preStart = ''
${pkgs.envsubst}/bin/envsubst \
-o /run/murmur/murmurd.ini \
-i ${configFile}
'';
serviceConfig = {
# murmurd doesn't fork when logging to the console.
Type = if forking then "forking" else "simple";
PIDFile = mkIf forking "/run/murmur/murmurd.pid";
EnvironmentFile = mkIf (cfg.environmentFile != null) cfg.environmentFile;
ExecStart = "${cfg.package}/bin/mumble-server -ini /run/murmur/murmurd.ini";
Restart = "always";
RuntimeDirectory = "murmur";
RuntimeDirectoryMode = "0700";
User = "murmur";
Group = "murmur";
};
};
};
}