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

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2014-07-18 17:27:55 +00:00
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.uhub;
uhubPkg = pkgs.uhub.override { tlsSupport = cfg.enableTLS; };
pluginConfig = ""
+ optionalString cfg.plugins.authSqlite.enable ''
plugin ${uhubPkg.mod_auth_sqlite}/mod_auth_sqlite.so "file=${cfg.plugins.authSqlite.file}"
''
+ optionalString cfg.plugins.logging.enable ''
plugin ${uhubPkg.mod_logging}/mod_logging.so ${if cfg.plugins.logging.syslog then "syslog=true" else "file=${cfg.plugins.logging.file}"}
''
+ optionalString cfg.plugins.welcome.enable ''
plugin ${uhubPkg.mod_welcome}/mod_welcome.so "motd=${pkgs.writeText "motd.txt" cfg.plugins.welcome.motd} rules=${pkgs.writeText "rules.txt" cfg.plugins.welcome.rules}"
''
+ optionalString cfg.plugins.history.enable ''
plugin ${uhubPkg.mod_chat_history}/mod_chat_history.so "history_max=${toString cfg.plugins.history.max} history_default=${toString cfg.plugins.history.default} history_connect=${toString cfg.plugins.history.connect}"
'';
uhubConfigFile = pkgs.writeText "uhub.conf" ''
file_acl=${pkgs.writeText "users.conf" cfg.aclConfig}
file_plugins=${pkgs.writeText "plugins.conf" pluginConfig}
server_bind_addr=${cfg.address}
server_port=${toString cfg.port}
${lib.optionalString cfg.enableTLS "tls_enable=yes"}
${cfg.hubConfig}
'';
in
{
options = {
services.uhub = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the uhub ADC hub.";
};
port = mkOption {
type = types.int;
default = 1511;
description = "TCP port to bind the hub to.";
};
address = mkOption {
type = types.string;
default = "any";
description = "Address to bind the hub to.";
};
enableTLS = mkOption {
type = types.bool;
default = false;
description = "Whether to enable TLS support.";
};
hubConfig = mkOption {
type = types.lines;
default = "";
description = "Contents of uhub configuration file.";
};
aclConfig = mkOption {
type = types.lines;
default = "";
description = "Contents of user ACL configuration file.";
};
plugins = {
authSqlite = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the Sqlite authentication database plugin";
};
file = mkOption {
type = types.string;
example = "/var/db/uhub-users";
description = "Path to user database. Use the uhub-passwd utility to create the database and add/remove users.";
};
};
logging = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the logging plugin.";
};
file = mkOption {
type = types.string;
default = "";
description = "Path of log file.";
};
syslog = mkOption {
type = types.bool;
default = false;
description = "If true then the system log is used instead of writing to file.";
};
};
welcome = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the welcome plugin.";
};
motd = mkOption {
default = "";
type = types.lines;
description = ''
Welcome message displayed to clients after connecting
and with the <literal>!motd</literal> command.
'';
};
rules = mkOption {
default = "";
type = types.lines;
description = ''
Rules message, displayed to clients with the <literal>!rules</literal> command.
'';
};
};
history = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the history plugin.";
};
max = mkOption {
type = types.int;
default = 200;
description = "The maximum number of messages to keep in history";
};
default = mkOption {
type = types.int;
default = 10;
description = "When !history is provided without arguments, then this default number of messages are returned.";
};
connect = mkOption {
type = types.int;
default = 5;
description = "The number of chat history messages to send when users connect (0 = do not send any history).";
};
};
};
};
};
config = mkIf cfg.enable {
users = {
extraUsers = singleton {
name = "uhub";
uid = config.ids.uids.uhub;
};
extraGroups = singleton {
name = "uhub";
gid = config.ids.gids.uhub;
};
};
systemd.services.uhub = {
description = "high performance peer-to-peer hub for the ADC network";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "notify";
ExecStart = "${uhubPkg}/bin/uhub -c ${uhubConfigFile} -u uhub -g uhub -L";
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
};
};
};
}