feat(modules/hostapd): offer readiness oneshot

WLAN oper wait until the WLAN interface is ready.

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>

modules/hostapd/default.nix

@@ -20,6 +20,10 @@ in {
     system.service.hostapd = mkOption {
       type = liminix.lib.types.serviceDefn;
     };
+
+    system.service.hostapd-ready = mkOption {
+      type = liminix.lib.types.serviceDefn;
+    };
   };
   config = {
     system.service.hostapd = liminix.callService ./service.nix {
@@ -34,5 +38,12 @@ in {
         type = types.attrs;
       };
     };
+
+    system.service.hostapd-ready = liminix.callService ./ready.nix {
+      interface = mkOption {
+        type = liminix.lib.types.interface;
+        description = "Interface for which to wait that the oper state Master or Master (VLAN) has been reached.";
+      };
+    };
   };
 }

modules/hostapd/ready.nix

@@ -0,0 +1,16 @@
+{
+  liminix
+, ifwait
+, lib
+}:
+{ interface } :
+let
+  inherit (liminix.services) oneshot;
+in oneshot {
+  name = "${interface.name}.wlan-oper";
+  up = ''
+    ${ifwait}/bin/ifbridgeable -v $(output ${interface} ifname)
+  '';
+
+  dependencies = [ interface ];
+}