{ config, lib, pkgs, ... }: with lib; let cfg = config.services.asterisk; asteriskUser = "asterisk"; asteriskGroup = "asterisk"; varlibdir = "/var/lib/asterisk"; spooldir = "/var/spool/asterisk"; logdir = "/var/log/asterisk"; # Add filecontents from files of useTheseDefaultConfFiles to confFiles, do not override defaultConfFiles = subtractLists (attrNames cfg.confFiles) cfg.useTheseDefaultConfFiles; allConfFiles = { # Default asterisk.conf file "asterisk.conf".text = '' [directories] astetcdir => /etc/asterisk astmoddir => ${cfg.package}/lib/asterisk/modules astvarlibdir => /var/lib/asterisk astdbdir => /var/lib/asterisk astkeydir => /var/lib/asterisk astdatadir => /var/lib/asterisk astagidir => /var/lib/asterisk/agi-bin astspooldir => /var/spool/asterisk astrundir => /run/asterisk astlogdir => /var/log/asterisk astsbindir => ${cfg.package}/sbin ${cfg.extraConfig} ''; # Loading all modules by default is considered sensible by the authors of # "Asterisk: The Definitive Guide". Secure sites will likely want to # specify their own "modules.conf" in the confFiles option. "modules.conf".text = '' [modules] autoload=yes ''; # Use syslog for logging so logs can be viewed with journalctl "logger.conf".text = '' [general] [logfiles] syslog.local0 => notice,warning,error ''; } // mapAttrs (name: text: { inherit text; }) cfg.confFiles // listToAttrs (map (x: nameValuePair x { source = cfg.package + "/etc/asterisk/" + x; }) defaultConfFiles); in { options = { services.asterisk = { enable = mkOption { type = types.bool; default = false; description = lib.mdDoc '' Whether to enable the Asterisk PBX server. ''; }; extraConfig = mkOption { default = ""; type = types.lines; example = '' [options] verbose=3 debug=3 ''; description = lib.mdDoc '' Extra configuration options appended to the default `asterisk.conf` file. ''; }; confFiles = mkOption { default = {}; type = types.attrsOf types.str; example = literalExpression '' { "extensions.conf" = ''' [tests] ; Dial 100 for "hello, world" exten => 100,1,Answer() same => n,Wait(1) same => n,Playback(hello-world) same => n,Hangup() [softphones] include => tests [unauthorized] '''; "sip.conf" = ''' [general] allowguest=no ; Require authentication context=unauthorized ; Send unauthorized users to /dev/null srvlookup=no ; Don't do DNS lookup udpbindaddr=0.0.0.0 ; Listen on all interfaces nat=force_rport,comedia ; Assume device is behind NAT [softphone](!) type=friend ; Match on username first, IP second context=softphones ; Send to softphones context in ; extensions.conf file host=dynamic ; Device will register with asterisk disallow=all ; Manually specify codecs to allow allow=g722 allow=ulaw allow=alaw [myphone](softphone) secret=GhoshevFew ; Change this password! '''; "logger.conf" = ''' [general] [logfiles] ; Add debug output to log syslog.local0 => notice,warning,error,debug '''; } ''; description = lib.mdDoc '' Sets the content of config files (typically ending with `.conf`) in the Asterisk configuration directory. Note that if you want to change `asterisk.conf`, it is preferable to use the {option}`services.asterisk.extraConfig` option over this option. If `"asterisk.conf"` is specified with the {option}`confFiles` option (not recommended), you must be prepared to set your own `astetcdir` path. See for more examples of what is possible here. ''; }; useTheseDefaultConfFiles = mkOption { default = [ "ari.conf" "acl.conf" "agents.conf" "amd.conf" "calendar.conf" "cdr.conf" "cdr_syslog.conf" "cdr_custom.conf" "cel.conf" "cel_custom.conf" "cli_aliases.conf" "confbridge.conf" "dundi.conf" "features.conf" "hep.conf" "iax.conf" "pjsip.conf" "pjsip_wizard.conf" "phone.conf" "phoneprov.conf" "queues.conf" "res_config_sqlite3.conf" "res_parking.conf" "statsd.conf" "udptl.conf" "unistim.conf" ]; type = types.listOf types.str; example = [ "sip.conf" "dundi.conf" ]; description = lib.mdDoc ''Sets these config files to the default content. The default value for this option contains all necesscary files to avoid errors at startup. This does not override settings via {option}`services.asterisk.confFiles`. ''; }; extraArguments = mkOption { default = []; type = types.listOf types.str; example = [ "-vvvddd" "-e" "1024" ]; description = lib.mdDoc '' Additional command line arguments to pass to Asterisk. ''; }; package = mkPackageOption pkgs "asterisk" { }; }; }; config = mkIf cfg.enable { environment.systemPackages = [ cfg.package ]; environment.etc = mapAttrs' (name: value: nameValuePair "asterisk/${name}" value ) allConfFiles; users.users.asterisk = { name = asteriskUser; group = asteriskGroup; uid = config.ids.uids.asterisk; description = "Asterisk daemon user"; home = varlibdir; }; users.groups.asterisk = { name = asteriskGroup; gid = config.ids.gids.asterisk; }; systemd.services.asterisk = { description = '' Asterisk PBX server ''; wantedBy = [ "multi-user.target" ]; # Do not restart, to avoid disruption of running calls. Restart unit by yourself! restartIfChanged = false; preStart = '' # Copy skeleton directory tree to /var for d in '${varlibdir}' '${spooldir}' '${logdir}'; do # TODO: Make exceptions for /var directories that likely should be updated if [ ! -e "$d" ]; then mkdir -p "$d" cp --recursive ${cfg.package}/"$d"/* "$d"/ chown --recursive ${asteriskUser}:${asteriskGroup} "$d" find "$d" -type d | xargs chmod 0755 fi done ''; serviceConfig = { ExecStart = let # FIXME: This doesn't account for arguments with spaces argString = concatStringsSep " " cfg.extraArguments; in "${cfg.package}/bin/asterisk -U ${asteriskUser} -C /etc/asterisk/asterisk.conf ${argString} -F"; ExecReload = ''${cfg.package}/bin/asterisk -x "core reload" ''; Type = "forking"; PIDFile = "/run/asterisk/asterisk.pid"; }; }; }; }