lib: add mkCaddyReverseProxy, mkFail2banJail, mkGrafanaAnnotationService, extractArrApiKey

services/arr/arr-search.nix

@@ -1,5 +1,6 @@
 {
   pkgs,
+  lib,
   service_configs,
   ...
 }:
@@ -12,7 +13,6 @@ let
 
   curl = "${pkgs.curl}/bin/curl";
   jq = "${pkgs.jq}/bin/jq";
-  grep = "${pkgs.gnugrep}/bin/grep";
 
   # Max items to search per cycle per category (missing + cutoff) per app
   maxPerCycle = 5;
@@ -20,8 +20,8 @@ let
   searchScript = pkgs.writeShellScript "arr-search" ''
     set -euo pipefail
 
-    RADARR_KEY=$(${grep} -oP '(?<=<ApiKey>)[^<]+' ${radarrConfig})
-    SONARR_KEY=$(${grep} -oP '(?<=<ApiKey>)[^<]+' ${sonarrConfig})
+    RADARR_KEY=$(${lib.extractArrApiKey radarrConfig})
+    SONARR_KEY=$(${lib.extractArrApiKey sonarrConfig})
 
     search_radarr() {
       local endpoint="$1"