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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" > "$path"
fi
'';
in {
options.tv.ejabberd = {
enable = mkEnableOption "tv.ejabberd";
certfile = mkOption {
type = types.secret-file;
default = {
path = "${cfg.user.home}/ejabberd.pem";
owner = cfg.user;
source-path = toString <secrets> + "/ejabberd.pem";
};
};
dhfile = mkOption {
type = types.secret-file;
default = {
path = "${cfg.user.home}/dhparams.pem";
owner = cfg.user;
source-path = "/dev/null";
};
};
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;
})} \
--logs ${shell.escape cfg.user.home} \
--spool ${shell.escape cfg.user.home} \
"$@"
'')
pkgs.ejabberd
];
};
};
registration_watchers = mkOption {
type = types.listOf types.str;
default = [
config.krebs.users.tv.mail
];
};
s2s_certfile = mkOption {
type = types.secret-file;
default = cfg.certfile;
};
user = mkOption {
type = types.user;
default = {
name = "ejabberd";
home = "/var/lib/ejabberd";
};
};
};
config = lib.mkIf cfg.enable {
environment.systemPackages = [
(pkgs.symlinkJoin {
name = "ejabberd-sudo-wrapper";
paths = [
(pkgs.writeDashBin "ejabberdctl" ''
set -efu
cd ${shell.escape cfg.user.home}
exec /run/wrappers/bin/sudo \
-u ${shell.escape cfg.user.name} \
${cfg.pkgs.ejabberd}/bin/ejabberdctl "$@"
'')
cfg.pkgs.ejabberd
];
})
];
krebs.secret.files = {
ejabberd-certfile = cfg.certfile;
ejabberd-s2s_certfile = cfg.s2s_certfile;
};
systemd.services.ejabberd = {
wantedBy = [ "multi-user.target" ];
requires = [ "secret.service" ];
after = [ "network.target" "secret.service" ];
serviceConfig = {
ExecStartPre = "${gen-dhparam} ${cfg.dhfile.path}";
ExecStart = "${cfg.pkgs.ejabberd}/bin/ejabberdctl foreground";
PermissionsStartOnly = true;
SyslogIdentifier = "ejabberd";
User = cfg.user.name;
TimeoutStartSec = 60;
};
};
users.users.${cfg.user.name} = {
inherit (cfg.user) home name uid;
createHome = true;
};
};
}
|
