116 lines
3.0 KiB
Nix
116 lines
3.0 KiB
Nix
{ config, lib, pkgs, ... }@args: with import <stockholm/lib>; let
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cfg = config.tv.ejabberd;
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gen-dhparam = pkgs.writeDash "gen-dhparam" ''
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set -efu
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path=$1
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bits=2048
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# TODO regenerate dhfile after some time?
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if ! test -e "$path"; then
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${pkgs.openssl}/bin/openssl dhparam "$bits" > "$path"
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fi
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'';
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in {
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options.tv.ejabberd = {
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enable = mkEnableOption "tv.ejabberd";
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certfile = mkOption {
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type = types.secret-file;
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default = {
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path = "${cfg.user.home}/ejabberd.pem";
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owner = cfg.user;
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source-path = toString <secrets> + "/ejabberd.pem";
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};
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};
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dhfile = mkOption {
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type = types.secret-file;
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default = {
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path = "${cfg.user.home}/dhparams.pem";
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owner = cfg.user;
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source-path = "/dev/null";
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};
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};
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hosts = mkOption {
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type = with types; listOf str;
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};
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pkgs.ejabberd = mkOption {
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type = types.package;
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default = pkgs.symlinkJoin {
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name = "ejabberd-wrapper";
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paths = [
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(pkgs.writeDashBin "ejabberdctl" ''
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exec ${pkgs.ejabberd}/bin/ejabberdctl \
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--config ${toFile "ejabberd.yaml" (import ./config.nix {
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inherit pkgs;
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config = cfg;
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})} \
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--logs ${shell.escape cfg.user.home} \
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--spool ${shell.escape cfg.user.home} \
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"$@"
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'')
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pkgs.ejabberd
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];
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};
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};
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registration_watchers = mkOption {
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type = types.listOf types.str;
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default = [
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config.krebs.users.tv.mail
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];
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};
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s2s_certfile = mkOption {
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type = types.secret-file;
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default = cfg.certfile;
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};
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user = mkOption {
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type = types.user;
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default = {
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name = "ejabberd";
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home = "/var/ejabberd";
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};
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};
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};
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config = lib.mkIf cfg.enable {
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environment.systemPackages = [
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(pkgs.symlinkJoin {
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name = "ejabberd-sudo-wrapper";
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paths = [
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(pkgs.writeDashBin "ejabberdctl" ''
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set -efu
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cd ${shell.escape cfg.user.home}
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exec /run/wrappers/bin/sudo \
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-u ${shell.escape cfg.user.name} \
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${cfg.pkgs.ejabberd}/bin/ejabberdctl "$@"
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'')
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cfg.pkgs.ejabberd
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];
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})
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];
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krebs.secret.files = {
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ejabberd-certfile = cfg.certfile;
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ejabberd-s2s_certfile = cfg.s2s_certfile;
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};
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systemd.services.ejabberd = {
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wantedBy = [ "multi-user.target" ];
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requires = [ "secret.service" ];
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after = [ "network.target" "secret.service" ];
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serviceConfig = {
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ExecStartPre = "${gen-dhparam} ${cfg.dhfile.path}";
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ExecStart = "${cfg.pkgs.ejabberd}/bin/ejabberdctl foreground";
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PermissionsStartOnly = true;
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SyslogIdentifier = "ejabberd";
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User = cfg.user.name;
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TimeoutStartSec = 60;
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};
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};
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users.users.${cfg.user.name} = {
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inherit (cfg.user) home name uid;
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createHome = true;
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};
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};
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}
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