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nixpkgs/nixos/modules/services/networking/jibri/default.nix
pennae b9950385e5 treewide: make option examples constant
escape interpolations in examples, or replace them where they are not
useful.
2021-12-09 01:38:24 +01:00

418 lines
13 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.jibri;
# Copied from the jitsi-videobridge.nix file.
toHOCON = x:
if isAttrs x && x ? __hocon_envvar then ("\${" + x.__hocon_envvar + "}")
else if isAttrs x then "{${ concatStringsSep "," (mapAttrsToList (k: v: ''"${k}":${toHOCON v}'') x) }}"
else if isList x then "[${ concatMapStringsSep "," toHOCON x }]"
else builtins.toJSON x;
# We're passing passwords in environment variables that have names generated
# from an attribute name, which may not be a valid bash identifier.
toVarName = s: "XMPP_PASSWORD_" + stringAsChars (c: if builtins.match "[A-Za-z0-9]" c != null then c else "_") s;
defaultJibriConfig = {
id = "";
single-use-mode = false;
api = {
http.external-api-port = 2222;
http.internal-api-port = 3333;
xmpp.environments = flip mapAttrsToList cfg.xmppEnvironments (name: env: {
inherit name;
xmpp-server-hosts = env.xmppServerHosts;
xmpp-domain = env.xmppDomain;
control-muc = {
domain = env.control.muc.domain;
room-name = env.control.muc.roomName;
nickname = env.control.muc.nickname;
};
control-login = {
domain = env.control.login.domain;
username = env.control.login.username;
password.__hocon_envvar = toVarName "${name}_control";
};
call-login = {
domain = env.call.login.domain;
username = env.call.login.username;
password.__hocon_envvar = toVarName "${name}_call";
};
strip-from-room-domain = env.stripFromRoomDomain;
usage-timeout = env.usageTimeout;
trust-all-xmpp-certs = env.disableCertificateVerification;
});
};
recording = {
recordings-directory = "/tmp/recordings";
finalize-script = "${cfg.finalizeScript}";
};
streaming.rtmp-allow-list = [ ".*" ];
chrome.flags = [
"--use-fake-ui-for-media-stream"
"--start-maximized"
"--kiosk"
"--enabled"
"--disable-infobars"
"--autoplay-policy=no-user-gesture-required"
]
++ lists.optional cfg.ignoreCert
"--ignore-certificate-errors";
stats.enable-stats-d = true;
webhook.subscribers = [ ];
jwt-info = { };
call-status-checks = {
no-media-timout = "30 seconds";
all-muted-timeout = "10 minutes";
default-call-empty-timout = "30 seconds";
};
};
# Allow overriding leaves of the default config despite types.attrs not doing any merging.
jibriConfig = recursiveUpdate defaultJibriConfig cfg.config;
configFile = pkgs.writeText "jibri.conf" (toHOCON { jibri = jibriConfig; });
in
{
options.services.jibri = with types; {
enable = mkEnableOption "Jitsi BRoadcasting Infrastructure. Currently Jibri must be run on a host that is also running <option>services.jitsi-meet.enable</option>, so for most use cases it will be simpler to run <option>services.jitsi-meet.jibri.enable</option>";
config = mkOption {
type = attrs;
default = { };
description = ''
Jibri configuration.
See <link xlink:href="https://github.com/jitsi/jibri/blob/master/src/main/resources/reference.conf" />
for default configuration with comments.
'';
};
finalizeScript = mkOption {
type = types.path;
default = pkgs.writeScript "finalize_recording.sh" ''
#!/bin/sh
RECORDINGS_DIR=$1
echo "This is a dummy finalize script" > /tmp/finalize.out
echo "The script was invoked with recordings directory $RECORDINGS_DIR." >> /tmp/finalize.out
echo "You should put any finalize logic (renaming, uploading to a service" >> /tmp/finalize.out
echo "or storage provider, etc.) in this script" >> /tmp/finalize.out
exit 0
'';
defaultText = literalExpression ''
pkgs.writeScript "finalize_recording.sh" ''''''
#!/bin/sh
RECORDINGS_DIR=$1
echo "This is a dummy finalize script" > /tmp/finalize.out
echo "The script was invoked with recordings directory $RECORDINGS_DIR." >> /tmp/finalize.out
echo "You should put any finalize logic (renaming, uploading to a service" >> /tmp/finalize.out
echo "or storage provider, etc.) in this script" >> /tmp/finalize.out
exit 0
'''''';
'';
example = literalExpression ''
pkgs.writeScript "finalize_recording.sh" ''''''
#!/bin/sh
RECORDINGS_DIR=$1
''${pkgs.rclone}/bin/rclone copy $RECORDINGS_DIR RCLONE_REMOTE:jibri-recordings/ -v --log-file=/var/log/jitsi/jibri/recording-upload.txt
exit 0
'''''';
'';
description = ''
This script runs when jibri finishes recording a video of a conference.
'';
};
ignoreCert = mkOption {
type = bool;
default = false;
example = true;
description = ''
Whether to enable the flag "--ignore-certificate-errors" for the Chromium browser opened by Jibri.
Intended for use in automated tests or anywhere else where using a verified cert for Jitsi-Meet is not possible.
'';
};
xmppEnvironments = mkOption {
description = ''
XMPP servers to connect to.
'';
example = literalExpression ''
"jitsi-meet" = {
xmppServerHosts = [ "localhost" ];
xmppDomain = config.services.jitsi-meet.hostName;
control.muc = {
domain = "internal.''${config.services.jitsi-meet.hostName}";
roomName = "JibriBrewery";
nickname = "jibri";
};
control.login = {
domain = "auth.''${config.services.jitsi-meet.hostName}";
username = "jibri";
passwordFile = "/var/lib/jitsi-meet/jibri-auth-secret";
};
call.login = {
domain = "recorder.''${config.services.jitsi-meet.hostName}";
username = "recorder";
passwordFile = "/var/lib/jitsi-meet/jibri-recorder-secret";
};
usageTimeout = "0";
disableCertificateVerification = true;
stripFromRoomDomain = "conference.";
};
'';
default = { };
type = attrsOf (submodule ({ name, ... }: {
options = {
xmppServerHosts = mkOption {
type = listOf str;
example = [ "xmpp.example.org" ];
description = ''
Hostnames of the XMPP servers to connect to.
'';
};
xmppDomain = mkOption {
type = str;
example = "xmpp.example.org";
description = ''
The base XMPP domain.
'';
};
control.muc.domain = mkOption {
type = str;
description = ''
The domain part of the MUC to connect to for control.
'';
};
control.muc.roomName = mkOption {
type = str;
default = "JibriBrewery";
description = ''
The room name of the MUC to connect to for control.
'';
};
control.muc.nickname = mkOption {
type = str;
default = "jibri";
description = ''
The nickname for this Jibri instance in the MUC.
'';
};
control.login.domain = mkOption {
type = str;
description = ''
The domain part of the JID for this Jibri instance.
'';
};
control.login.username = mkOption {
type = str;
default = "jvb";
description = ''
User part of the JID.
'';
};
control.login.passwordFile = mkOption {
type = str;
example = "/run/keys/jibri-xmpp1";
description = ''
File containing the password for the user.
'';
};
call.login.domain = mkOption {
type = str;
example = "recorder.xmpp.example.org";
description = ''
The domain part of the JID for the recorder.
'';
};
call.login.username = mkOption {
type = str;
default = "recorder";
description = ''
User part of the JID for the recorder.
'';
};
call.login.passwordFile = mkOption {
type = str;
example = "/run/keys/jibri-recorder-xmpp1";
description = ''
File containing the password for the user.
'';
};
disableCertificateVerification = mkOption {
type = bool;
default = false;
description = ''
Whether to skip validation of the server's certificate.
'';
};
stripFromRoomDomain = mkOption {
type = str;
default = "0";
example = "conference.";
description = ''
The prefix to strip from the room's JID domain to derive the call URL.
'';
};
usageTimeout = mkOption {
type = str;
default = "0";
example = "1 hour";
description = ''
The duration that the Jibri session can be.
A value of zero means indefinitely.
'';
};
};
config =
let
nick = mkDefault (builtins.replaceStrings [ "." ] [ "-" ] (
config.networking.hostName + optionalString (config.networking.domain != null) ".${config.networking.domain}"
));
in
{
call.login.username = nick;
control.muc.nickname = nick;
};
}));
};
};
config = mkIf cfg.enable {
users.groups.jibri = { };
users.groups.plugdev = { };
users.users.jibri = {
isSystemUser = true;
group = "jibri";
home = "/var/lib/jibri";
extraGroups = [ "jitsi-meet" "adm" "audio" "video" "plugdev" ];
};
systemd.services.jibri-xorg = {
description = "Jitsi Xorg Process";
after = [ "network.target" ];
wantedBy = [ "jibri.service" "jibri-icewm.service" ];
preStart = ''
cp --no-preserve=mode,ownership ${pkgs.jibri}/etc/jitsi/jibri/* /var/lib/jibri
mv /var/lib/jibri/{,.}asoundrc
'';
environment.DISPLAY = ":0";
serviceConfig = {
Type = "simple";
User = "jibri";
Group = "jibri";
KillMode = "process";
Restart = "on-failure";
RestartPreventExitStatus = 255;
StateDirectory = "jibri";
ExecStart = "${pkgs.xorg.xorgserver}/bin/Xorg -nocursor -noreset +extension RANDR +extension RENDER -config ${pkgs.jibri}/etc/jitsi/jibri/xorg-video-dummy.conf -logfile /dev/null :0";
};
};
systemd.services.jibri-icewm = {
description = "Jitsi Window Manager";
requires = [ "jibri-xorg.service" ];
after = [ "jibri-xorg.service" ];
wantedBy = [ "jibri.service" ];
environment.DISPLAY = ":0";
serviceConfig = {
Type = "simple";
User = "jibri";
Group = "jibri";
Restart = "on-failure";
RestartPreventExitStatus = 255;
StateDirectory = "jibri";
ExecStart = "${pkgs.icewm}/bin/icewm-session";
};
};
systemd.services.jibri = {
description = "Jibri Process";
requires = [ "jibri-icewm.service" "jibri-xorg.service" ];
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
path = with pkgs; [ chromedriver chromium ffmpeg-full ];
script = (concatStrings (mapAttrsToList
(name: env: ''
export ${toVarName "${name}_control"}=$(cat ${env.control.login.passwordFile})
export ${toVarName "${name}_call"}=$(cat ${env.call.login.passwordFile})
'')
cfg.xmppEnvironments))
+ ''
${pkgs.jre8_headless}/bin/java -Djava.util.logging.config.file=${./logging.properties-journal} -Dconfig.file=${configFile} -jar ${pkgs.jibri}/opt/jitsi/jibri/jibri.jar --config /var/lib/jibri/jibri.json
'';
environment.HOME = "/var/lib/jibri";
serviceConfig = {
Type = "simple";
User = "jibri";
Group = "jibri";
Restart = "always";
RestartPreventExitStatus = 255;
StateDirectory = "jibri";
};
};
systemd.tmpfiles.rules = [
"d /var/log/jitsi/jibri 755 jibri jibri"
];
# Configure Chromium to not show the "Chrome is being controlled by automatic test software" message.
environment.etc."chromium/policies/managed/managed_policies.json".text = builtins.toJSON { CommandLineFlagSecurityWarningsEnabled = false; };
warnings = [ "All security warnings for Chromium have been disabled. This is necessary for Jibri, but it also impacts all other uses of Chromium on this system." ];
boot = {
extraModprobeConfig = ''
options snd-aloop enable=1,1,1,1,1,1,1,1
'';
kernelModules = [ "snd-aloop" ];
};
};
meta.maintainers = lib.teams.jitsi.members;
}