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|
{ config, lib, pkgs, ... }@args: with import <stockholm/lib>; let
cfg = config.tv.ejabberd;
gen-dhparam = pkgs.writeDash "gen-dhparam" ''
set -efu
path=$1
bits=2048
# TODO regenerate dhfile after some time?
if ! test -e "$path"; then
${pkgs.openssl}/bin/openssl dhparam "$bits" > "$path"
fi
'';
in {
options.tv.ejabberd = {
enable = mkEnableOption "tv.ejabberd";
certfiles = mkOption {
type = types.listOf types.absolute-pathname;
default = [
(toString <secrets> + "/ejabberd.pem")
];
};
credentials.certfiles = mkOption {
internal = true;
readOnly = true;
default =
imap
(i: const /* yaml */ "/tmp/credentials/certfile${toJSON i}")
cfg.certfiles;
};
hosts = mkOption {
type = with types; listOf str;
};
pkgs.ejabberd = mkOption {
type = types.package;
default = pkgs.symlinkJoin {
name = "ejabberd-wrapper";
paths = [
(pkgs.writeDashBin "ejabberdctl" ''
exec ${pkgs.ejabberd}/bin/ejabberdctl \
--config ${toFile "ejabberd.yaml" (import ./config.nix {
inherit pkgs;
config = cfg;
})} \
--ctl-config ${toFile "ejabberdctl.cfg" /* sh */ ''
ERL_OPTIONS='-setcookie ${cfg.stateDir}/.erlang.cookie'
''} \
--logs ${cfg.stateDir} \
--spool ${cfg.stateDir} \
"$@"
'')
pkgs.ejabberd
];
};
};
registration_watchers = mkOption {
type = types.listOf types.str;
default = [
config.krebs.users.tv.mail
];
};
stateDir = mkOption {
type = types.absolute-pathname;
default = "/var/lib/ejabberd";
readOnly = true;
};
};
config = lib.mkIf cfg.enable {
environment.systemPackages = [
(pkgs.symlinkJoin {
name = "ejabberd-sudo-wrapper";
paths = [
(pkgs.writeDashBin "ejabberdctl" ''
exec ${pkgs.systemd}/bin/systemd-run \
--unit=ejabberdctl \
--property=StateDirectory=ejabberd \
--property=User=ejabberd \
--collect \
--pipe \
--quiet \
${cfg.pkgs.ejabberd}/bin/ejabberdctl "$@"
'')
cfg.pkgs.ejabberd
];
})
];
krebs.systemd.services.ejabberd = {};
systemd.services.ejabberd = {
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
ExecStartPre = [
"${pkgs.coreutils}/bin/ln -s \${CREDENTIALS_DIRECTORY} /tmp/credentials"
"${gen-dhparam} ${cfg.stateDir}/dhfile"
];
ExecStart = "${cfg.pkgs.ejabberd}/bin/ejabberdctl foreground";
ExecStop = [
"${cfg.pkgs.ejabberd}/bin/ejabberdctl stop"
"${cfg.pkgs.ejabberd}/bin/ejabberdctl stopped"
];
ExecReload = "${cfg.pkgs.ejabberd}/bin/ejabberdctl reload_config";
LoadCredential =
zipListsWith
(dst: src: "${baseNameOf dst}:${src}")
cfg.credentials.certfiles
cfg.certfiles;
LimitNOFILE = 65536;
PrivateDevices = true;
PrivateTmp = true;
SyslogIdentifier = "ejabberd";
StateDirectory = "ejabberd";
User = "ejabberd";
DynamicUser = true;
TimeoutSec = 60;
RestartSec = 5;
Restart = "on-failure";
Type = "notify";
NotifyAccess = "all";
WatchdogSec = 30;
};
};
};
}
|
