Move all nixos-modules out of qois subfolder

nixos-modules/backplane-net.hosts/default.nix

@@ -0,0 +1,42 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib;
+let
+  cfg = config.qois.backplane-net.hosts;
+  defaultDomains = attrNames config.qois.loadbalancer.domains;
+  defaultLoadbalancers = [ "lindberg" ];
+in
+{
+
+  options.qois.backplane-net.hosts = {
+    enable = mkOption {
+      default = true;
+      description = "Whether to enable hosts aliases for loadbalanced services. This prevents turnarounds over external networks for these services.";
+      type = types.bool;
+    };
+
+    domains = mkOption {
+      description = "Domains that are hosted by the backplane loadbalancer";
+      type = with types; listOf str;
+      default = defaultDomains;
+    };
+    loadbalancers = mkOption {
+      description = "List of Loadbalancer hostnames as listed in the backplane network";
+      type = with types; listOf str;
+      default = defaultLoadbalancers;
+    };
+  };
+
+  config = mkIf cfg.enable {
+
+    networking.hosts = pipe cfg.loadbalancers [
+      (map (hostname: config.qois.meta.network.virtual.backplane.hosts.${hostname}.v4.ip))
+      (flip genAttrs (lb: cfg.domains))
+    ];
+
+  };
+}