nixpkgs/nixos/modules/services/misc/freeswitch.nix

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{ config, lib, pkgs, ...}:
with lib;
let
cfg = config.services.freeswitch;
pkg = cfg.package;
configDirectory = pkgs.runCommand "freeswitch-config-d" { } ''
mkdir -p $out
cp -rT ${cfg.configTemplate} $out
chmod -R +w $out
${concatStringsSep "\n" (mapAttrsToList (fileName: filePath: ''
mkdir -p $out/$(dirname ${fileName})
cp ${filePath} $out/${fileName}
'') cfg.configDir)}
'';
configPath = if cfg.enableReload
then "/etc/freeswitch"
else configDirectory;
in {
options = {
services.freeswitch = {
enable = mkEnableOption "FreeSWITCH";
enableReload = mkOption {
default = false;
type = types.bool;
description = ''
Issue the <literal>reloadxml</literal> command to FreeSWITCH when configuration directory changes (instead of restart).
See <link xlink:href="https://freeswitch.org/confluence/display/FREESWITCH/Reloading">FreeSWITCH documentation</link> for more info.
The configuration directory is exposed at <filename>/etc/freeswitch</filename>.
See also <literal>systemd.services.*.restartIfChanged</literal>.
'';
};
configTemplate = mkOption {
type = types.path;
default = "${config.services.freeswitch.package}/share/freeswitch/conf/vanilla";
defaultText = literalExpression ''"''${config.services.freeswitch.package}/share/freeswitch/conf/vanilla"'';
example = literalExpression ''"''${config.services.freeswitch.package}/share/freeswitch/conf/minimal"'';
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description = ''
Configuration template to use.
See available templates in <link xlink:href="https://github.com/signalwire/freeswitch/tree/master/conf">FreeSWITCH repository</link>.
You can also set your own configuration directory.
'';
};
configDir = mkOption {
type = with types; attrsOf path;
default = { };
example = literalExpression ''
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{
"freeswitch.xml" = ./freeswitch.xml;
"dialplan/default.xml" = pkgs.writeText "dialplan-default.xml" '''
[xml lines]
''';
}
'';
description = ''
Override file in FreeSWITCH config template directory.
Each top-level attribute denotes a file path in the configuration directory, its value is the file path.
See <link xlink:href="https://freeswitch.org/confluence/display/FREESWITCH/Default+Configuration">FreeSWITCH documentation</link> for more info.
Also check available templates in <link xlink:href="https://github.com/signalwire/freeswitch/tree/master/conf">FreeSWITCH repository</link>.
'';
};
package = mkOption {
type = types.package;
default = pkgs.freeswitch;
defaultText = literalExpression "pkgs.freeswitch";
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description = ''
FreeSWITCH package.
'';
};
};
};
config = mkIf cfg.enable {
environment.etc.freeswitch = mkIf cfg.enableReload {
source = configDirectory;
};
systemd.services.freeswitch-config-reload = mkIf cfg.enableReload {
before = [ "freeswitch.service" ];
wantedBy = [ "multi-user.target" ];
restartTriggers = [ configDirectory ];
serviceConfig = {
ExecStart = "/run/current-system/systemd/bin/systemctl try-reload-or-restart freeswitch.service";
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RemainAfterExit = true;
Type = "oneshot";
};
};
systemd.services.freeswitch = {
description = "Free and open-source application server for real-time communication";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
DynamicUser = true;
StateDirectory = "freeswitch";
ExecStart = "${pkg}/bin/freeswitch -nf \\
-mod ${pkg}/lib/freeswitch/mod \\
-conf ${configPath} \\
-base /var/lib/freeswitch";
ExecReload = "${pkg}/bin/fs_cli -x reloadxml";
Restart = "on-failure";
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RestartSec = "5s";
CPUSchedulingPolicy = "fifo";
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};
};
environment.systemPackages = [ pkg ];
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};
}