Switch from caddy to haproxy

modules/x-os/networking.nix

@@ -2,7 +2,9 @@
 
 with lib;
 
-let cfg = config.pub-solar.x-os;
+let
+  psCfg = config.pub-solar;
+  cfg = psCfg.x-os;
 in
 {
   options.pub-solar.x-os = {
@@ -34,21 +36,51 @@ in
 
     # These entries get added to /etc/hosts
     networking.hosts = {
-      "127.0.0.1" = [ "cups.local" ];
+      "127.0.0.1" = mkIf psCfg.printing.enable [ "cups.local" ];
     };
 
-    # Caddy reverse proxy for local services like cups
-    services.caddy = {
-      enable = true;
-      config = ''
-        {
-          auto_https off
-        }
-        cups.local:80
-        bind 127.0.0.1
-        request_header Host localhost:631
-        reverse_proxy unix//run/cups/cups.sock
-      '';
-    };
+    # ha reverse proxy for local services like cups
+    services.haproxy.enable = true;
+    services.haproxy.config = ''
+      global
+        maxconn 4096
+#        user http
+#        group http
+        daemon
+
+      defaults
+        log   global
+        mode   http
+        option   httplog
+        option   dontlognull
+        retries   3
+        option redispatch
+        maxconn   2000
+        timeout connect  5000
+        timeout client  50000
+        timeout server  50000
+        log        127.0.0.1       local0
+        log        127.0.0.1       local7 debug
+        option httpchk
+
+      frontend http
+        bind 0.0.0.0:80
+
+        acl is_cups hdr_end(host) -i cups.local
+        acl is_local dst 127.0.0.1
+
+        use_backend cups if is_cups is_local
+
+      frontend vnc
+        bind 0.0.0.0:5901
+        mode tcp
+        use_backend vnc
+
+      backend cups
+        server cups unix@/run/cups/cups.sock
+
+      backend vnc
+        server vnc unix@/run/wayvnc.sock
+    '';
   };
 }