{ config, lib, pkgs, ... }: with lib; let cfg = config.services.asterisk; asteriskUser = "asterisk"; varlibdir = "/var/lib/asterisk"; spooldir = "/var/spool/asterisk"; logdir = "/var/log/asterisk"; asteriskEtc = pkgs.stdenv.mkDerivation ((mapAttrs' (name: value: nameValuePair # Fudge the names to make bash happy ((replaceChars ["."] ["_"] name) + "_") (value) ) cfg.confFiles) // { confFilesString = concatStringsSep " " ( attrNames cfg.confFiles ); name = "asterisk.etc"; # Default asterisk.conf file # (Notice that astetcdir will be set to the path of this derivation) asteriskConf = '' [directories] astetcdir => @out@ astmoddir => ${pkgs.asterisk}/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 => /var/run/asterisk astlogdir => /var/log/asterisk astsbindir => ${pkgs.asterisk}/sbin ''; extraConf = cfg.extraConfig; # Loading all modules by default is considered sensible by the authors of # "Asterisk: The Definitive Guide". Secure sites will likely want to # specify their own "modules.conf" in the confFiles option. modulesConf = '' [modules] autoload=yes ''; # Use syslog for logging so logs can be viewed with journalctl loggerConf = '' [general] [logfiles] syslog.local0 => notice,warning,error ''; buildCommand = '' mkdir -p "$out" # Create asterisk.conf, pointing astetcdir to the path of this derivation echo "$asteriskConf" | sed "s|@out@|$out|g" > "$out"/asterisk.conf echo "$extraConf" >> "$out"/asterisk.conf echo "$modulesConf" > "$out"/modules.conf echo "$loggerConf" > "$out"/logger.conf # Config files specified in confFiles option override all other files for i in $confFilesString; do conf=$(echo "$i"_ | sed 's/\./_/g') echo "''${!conf}" > "$out"/"$i" done ''; }); in { options = { services.asterisk = { enable = mkOption { type = types.bool; default = false; description = '' Whether to enable the Asterisk PBX server. ''; }; extraConfig = mkOption { default = ""; type = types.lines; example = '' [options] verbose=3 debug=3 ''; description = '' Extra configuration options appended to the default <literal>asterisk.conf</literal> file. ''; }; confFiles = mkOption { default = {}; type = types.attrsOf types.str; example = literalExample '' { "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 = '' Sets the content of config files (typically ending with <literal>.conf</literal>) in the Asterisk configuration directory. Note that if you want to change <literal>asterisk.conf</literal>, it is preferable to use the <option>services.asterisk.extraConfig</option> option over this option. If <literal>"asterisk.conf"</literal> is specified with the <option>confFiles</option> option (not recommended), you must be prepared to set your own <literal>astetcdir</literal> path. See <link xlink:href="http://www.asterisk.org/community/documentation"/> for more examples of what is possible here. ''; }; extraArguments = mkOption { default = []; type = types.listOf types.str; example = [ "-vvvddd" "-e" "1024" ]; description = '' Additional command line arguments to pass to Asterisk. ''; }; }; }; config = mkIf cfg.enable { users.extraUsers = singleton { name = asteriskUser; uid = config.ids.uids.asterisk; description = "Asterisk daemon user"; home = varlibdir; }; systemd.services.asterisk = { description = '' Asterisk PBX server ''; wantedBy = [ "multi-user.target" ]; 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 ${pkgs.asterisk}/"$d" "$d" chown --recursive ${asteriskUser} "$d" find "$d" -type d | xargs chmod 0755 fi done ''; serviceConfig = { ExecStart = let # FIXME: This doesn't account for arguments with spaces argString = concatStringsSep " " cfg.extraArguments; in "${pkgs.asterisk}/bin/asterisk -U ${asteriskUser} -C ${asteriskEtc}/asterisk.conf ${argString} -F"; Type = "forking"; PIDFile = "/var/run/asterisk/asterisk.pid"; }; }; }; }