depot/cluster/services/idm/modules/idm-nss-ready.nix

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{ lib, pkgs, ... }:
let
idmReady = pkgs.writers.writeHaskellBin "idm-nss-ready" {
libraries = with pkgs.haskellPackages; [ watchdog ];
} ''
import Control.Monad.IO.Class
import Control.Watchdog
import System.IO.Error
import System.Posix.User
main :: IO ()
main = watchdog $ do
setInitialDelay 300_000
setMaximumDelay 30_000_000
watch $ do
check <- liftIO $ tryIOError $ getGroupEntryForName "infra_admins"
case check of
Right _ -> return $ Right ()
Left _ -> return $ Left "group not found"
'';
in
{
systemd.services.idm-nss-ready = {
description = "Wait for IDM NSS";
requires = [ "kanidm-unixd.service" "nss-user-lookup.target" ];
after = [ "kanidm-unixd.service" ];
before = [ "nss-user-lookup.target" ];
serviceConfig = {
ExecStart = lib.getExe idmReady;
DynamicUser = true;
TimeoutStartSec = "2m";
Type = "oneshot";
};
};
}