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Added NixOS module for Asterisk server

This commit is contained in:
Jonathan Glines 2015-04-16 16:53:26 -06:00
parent c1b5287193
commit cdb174c18d
3 changed files with 226 additions and 0 deletions

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@ -217,6 +217,7 @@
ihaskell = 189;
i2p = 190;
lambdabot = 191;
asterisk = 192;
# When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
@ -411,6 +412,7 @@
ihaskell = 189;
i2p = 190;
lambdabot = 191;
#asterisk = 192; # unused
# When adding a gid, make sure it doesn't match an existing
# uid. Users and groups with the same name should have equal

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@ -242,6 +242,7 @@
./services/network-filesystems/yandex-disk.nix
./services/networking/aiccu.nix
./services/networking/amuled.nix
./services/networking/asterisk.nix
./services/networking/atftpd.nix
./services/networking/avahi-daemon.nix
./services/networking/bind.nix

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@ -0,0 +1,223 @@
{ 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
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";
};
};
};
}