158 lines
3.9 KiB
Nix
158 lines
3.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.ejabberd;
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ctlcfg = pkgs.writeText "ejabberdctl.cfg" ''
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ERL_EPMD_ADDRESS=127.0.0.1
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${cfg.ctlConfig}
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'';
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ectl = ''${cfg.package}/bin/ejabberdctl ${optionalString (cfg.configFile != null) "--config ${cfg.configFile}"} --ctl-config "${ctlcfg}" --spool "${cfg.spoolDir}" --logs "${cfg.logsDir}"'';
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dumps = lib.escapeShellArgs cfg.loadDumps;
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in {
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###### interface
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options = {
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services.ejabberd = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to enable ejabberd server";
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};
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package = mkOption {
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type = types.package;
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default = pkgs.ejabberd;
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defaultText = "pkgs.ejabberd";
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description = "ejabberd server package to use";
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};
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user = mkOption {
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type = types.str;
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default = "ejabberd";
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description = "User under which ejabberd is ran";
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};
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group = mkOption {
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type = types.str;
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default = "ejabberd";
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description = "Group under which ejabberd is ran";
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};
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spoolDir = mkOption {
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type = types.path;
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default = "/var/lib/ejabberd";
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description = "Location of the spooldir of ejabberd";
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};
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logsDir = mkOption {
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type = types.path;
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default = "/var/log/ejabberd";
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description = "Location of the logfile directory of ejabberd";
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};
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configFile = mkOption {
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type = types.nullOr types.path;
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description = "Configuration file for ejabberd in YAML format";
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default = null;
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};
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ctlConfig = mkOption {
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type = types.lines;
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default = "";
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description = "Configuration of ejabberdctl";
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};
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loadDumps = mkOption {
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type = types.listOf types.path;
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default = [];
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description = "Configuration dumps that should be loaded on the first startup";
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example = literalExample "[ ./myejabberd.dump ]";
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};
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imagemagick = mkOption {
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type = types.bool;
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default = false;
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description = "Add ImageMagick to server's path; allows for image thumbnailing";
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ cfg.package ];
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users.users = optionalAttrs (cfg.user == "ejabberd") {
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ejabberd = {
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group = cfg.group;
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home = cfg.spoolDir;
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createHome = true;
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uid = config.ids.uids.ejabberd;
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};
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};
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users.groups = optionalAttrs (cfg.group == "ejabberd") {
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ejabberd.gid = config.ids.gids.ejabberd;
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};
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systemd.services.ejabberd = {
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description = "ejabberd server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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path = [ pkgs.findutils pkgs.coreutils ] ++ lib.optional cfg.imagemagick pkgs.imagemagick;
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serviceConfig = {
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User = cfg.user;
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Group = cfg.group;
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ExecStart = "${ectl} foreground";
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ExecStop = "${ectl} stop";
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ExecReload = "${ectl} reload_config";
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};
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preStart = ''
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if [ -z "$(ls -A '${cfg.spoolDir}')" ]; then
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touch "${cfg.spoolDir}/.firstRun"
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fi
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'';
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postStart = ''
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while ! ${ectl} status >/dev/null 2>&1; do
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if ! kill -0 "$MAINPID"; then exit 1; fi
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sleep 0.1
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done
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if [ -e "${cfg.spoolDir}/.firstRun" ]; then
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rm "${cfg.spoolDir}/.firstRun"
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for src in ${dumps}; do
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find "$src" -type f | while read dump; do
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echo "Loading configuration dump at $dump"
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${ectl} load "$dump"
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done
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done
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fi
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'';
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};
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systemd.tmpfiles.rules = [
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"d '${cfg.logsDir}' 0750 ${cfg.user} ${cfg.group} -"
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"d '${cfg.spoolDir}' 0700 ${cfg.user} ${cfg.group} -"
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];
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security.pam.services.ejabberd = {};
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};
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}
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