network options working for basic functionality

nixos/vm/options.nix

@@ -0,0 +1,125 @@
+{ config, pkgs, lib, ... }:
+with lib;
+let
+  networkModule = import ./network.nix { inherit config pkgs lib ;};
+in
+{
+  options = {
+    cpu = 
+      mkOption {
+        type = types.str;
+        default = "host";
+        description = ''
+          The CPU model to emulate.
+        '';
+      };
+
+    smp =
+      mkOption {
+        type = types.ints.positive;
+        default = 1;
+        description = ''
+            Specify the number of cores the guest is permitted to use.
+            The number can be higher than the available cores on the
+            host system.
+          '';
+      };
+
+    memSize =
+      mkOption {
+        type = types.ints.positive;
+        default = 1024;
+        description = ''
+            The memory size in megabytes of the virtual machine.
+          '';
+      };
+
+    diskSize =
+      mkOption {
+        type = types.str;
+        default = "";
+        description = ''
+            The disk size in qemu params.
+          '';
+      };
+
+    osImage = 
+      mkOption {
+        type = types.package;
+        description = ''
+          OS image stored in the nix store, either built with vmixLib.images or fetched from the internet.
+          '';
+      };
+
+    persistantOverlayImagePath = 
+      mkOption {
+        type = types.nullOr types.path;
+        default = null;
+        description = ''
+          Path where the persistant overlay is stored. If path is non-existant, a qcow2 image backed by the original osImage is created.
+        '';
+      };
+
+    startOnBoot = 
+      mkOption {
+        type = types.bool;
+        description = ''
+          Whether to start the VM automatically on system boot.
+        '';
+        default = true;
+      };
+
+    sharedDirectories = 
+      lib.mkOption {
+        type = types.attrsOf
+          (types.submodule {
+            options = {
+              source = lib.mkOption {
+                type = types.str;
+                description = "The path of the directory to share, can be a shell variable";
+              };
+              target = lib.mkOption {
+                type = types.str;
+                description = "The mount point of the directory inside the virtual machine";
+              };
+            };
+          });
+        example = {
+          my-share = { source = "/path/to/be/shared"; target = "/mnt/shared"; };
+        };
+        default = { };
+      };
+
+    networks = lib.mkOption {
+        type = types.attrsOf
+          (types.submodule networkModule);
+        example = {
+          my-share = { source = "/path/to/be/shared"; target = "/mnt/shared"; };
+        };
+        default = { };
+      };
+  };
+
+  functions.mkVMService = name: cfg: 
+  let
+    vmCfg = cfg // { inherit name };
+    mkDiskImageFrom 
+    diskImage = 
+    qemuArgs = ''
+      --name ${vmCfg.name} \
+      --cpu ${vmCfg.cpu} \
+      --smp ${vmCfg.cores} \
+      --
+    '';
+  in
+  {
+    
+  };
+}
+
+//storage
+//
+//networking - DNS, VPNs, Bridges, NATs, isolation, connecting with others,host
+//run adhoc
+//run and die
+//