cluster/services/search: migrate from VEGAS/searxng, add blackbox check

cluster/services/search/default.nix

@@ -0,0 +1,13 @@
+{ tools, ... }:
+
+{
+  services.search = {
+    nodes.host = [ "VEGAS" ];
+    nixos.host = ./host.nix;
+  };
+
+  monitoring.blackbox.targets.search = {
+    address = "https://search.${tools.meta.domain}/healthz";
+    module = "https2xx";
+  };
+}

cluster/services/search/host.nix

@@ -8,7 +8,7 @@ in
   ];
   links.searxng.protocol = "http";
 
-  age.secrets.searxng-secrets.file = ../../../../secrets/searxng-secrets.age;
+  age.secrets.searxng-secrets.file = ../../../secrets/searxng-secrets.age;
   services.searx = {
     enable = true;
     runInUwsgi = true;

hosts/VEGAS/system.nix

@@ -30,7 +30,6 @@
       ./services/nix/nar-serve.nix
       ./services/object-storage
       ./services/reflex
-      ./services/searxng
       ./services/sso
       ./services/uptime-kuma
       ./services/vault