nixos/mediamtx: refactor

* log settings are defaults
* log directory won't generally be used
* remove ffmpeg from path, encourage the use of store paths in settings
This commit is contained in:
Franz Pletz 2023-08-10 20:16:11 +02:00
parent 9c5bcb9880
commit 362810eabe
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@ -1,79 +1,66 @@
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.mediamtx;
package = pkgs.mediamtx;
format = pkgs.formats.yaml {};
in
{
meta.maintainers = with lib.maintainers; [ fpletz ];
options = {
services.mediamtx = {
enable = mkEnableOption (lib.mdDoc "MediaMTX");
enable = lib.mkEnableOption (lib.mdDoc "MediaMTX");
settings = mkOption {
package = lib.mkPackageOptionMD pkgs "mediamtx" { };
settings = lib.mkOption {
description = lib.mdDoc ''
Settings for MediaMTX.
Read more at <https://github.com/aler9/mediamtx/blob/main/mediamtx.yml>
Settings for MediaMTX. Refer to the defaults at
<https://github.com/bluenviron/mediamtx/blob/main/mediamtx.yml>.
'';
type = format.type;
default = {
logLevel = "info";
logDestinations = [
"stdout"
];
# we set this so when the user uses it, it just works (see LogsDirectory below). but it's not used by default.
logFile = "/var/log/mediamtx/mediamtx.log";
};
default = {};
example = {
paths = {
cam = {
runOnInit = "ffmpeg -f v4l2 -i /dev/video0 -f rtsp rtsp://localhost:$RTSP_PORT/$RTSP_PATH";
runOnInit = "\${lib.getExe pkgs.ffmpeg} -f v4l2 -i /dev/video0 -f rtsp rtsp://localhost:$RTSP_PORT/$RTSP_PATH";
runOnInitRestart = true;
};
};
};
};
env = mkOption {
type = with types; attrsOf anything;
env = lib.mkOption {
type = with lib.types; attrsOf anything;
description = lib.mdDoc "Extra environment variables for MediaMTX";
default = {};
example = {
MTX_CONFKEY = "mykey";
};
};
allowVideoAccess = lib.mkEnableOption (lib.mdDoc ''
Enable access to video devices like cameras on the system.
'');
};
};
config = mkIf (cfg.enable) {
config = lib.mkIf cfg.enable {
# NOTE: mediamtx watches this file and automatically reloads if it changes
environment.etc."mediamtx.yaml".source = format.generate "mediamtx.yaml" cfg.settings;
systemd.services.mediamtx = {
environment = cfg.env;
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
path = with pkgs; [
ffmpeg
];
environment = cfg.env;
serviceConfig = {
DynamicUser = true;
User = "mediamtx";
Group = "mediamtx";
LogsDirectory = "mediamtx";
# user likely may want to stream cameras, can't hurt to add video group
SupplementaryGroups = "video";
ExecStart = "${package}/bin/mediamtx /etc/mediamtx.yaml";
SupplementaryGroups = lib.mkIf cfg.allowVideoAccess "video";
ExecStart = "${cfg.package}/bin/mediamtx /etc/mediamtx.yaml";
};
};
};