fix: unify ekman c0 and c0x

ekman/c0/default.nix

@@ -11,7 +11,6 @@ let
 
   compute = {
     deployment.tags = [ "compute" "c0" ];
-
   };
 
   mkCompute = host:
@@ -39,8 +38,8 @@ let
           name = host.name;
           address = host.address;
         };
-        os.externalInterface = "enp33s0f0np0";
-        hpc.compute = true;
+        os.externalInterface = host.iface;
+        hpc.computeNode = true;
         hpc.knem = true;
         # k8s = { inherit etcdCluster; };
       };
@@ -54,7 +53,7 @@ let
       networking = {
         hostName = host.name;
         useDHCP = false;
-        interfaces.enp33s0f0np0 = {
+        interfaces."${host.iface}" = {
           useDHCP = false;
           ipv4.addresses = [ {
             address = host.address;