integrate settings raspberry pi

nixos/virtual/default.nix

@@ -2,6 +2,7 @@
   imports = [ ./docker_swarm.nix ];
 
   options.lab.vm = {
+    # TODO: make global.
     baseMACAddress = lib.mkOption {
       default = "BA:DB:EE:F0:00:00";
       type = lib.types.str;
@@ -17,29 +18,6 @@
       '';
     };
 
-    staticNetworking = lib.mkOption {
-      default = false;
-      type = lib.types.bool;
-      description = ''
-        Whether this VM has static networking configuration applied.
-        Routing is prepopulated, but IP addresses have to be set.
-      '';
-    };
-
-    staticIPv4 = lib.mkOption {
-      type = lib.types.str;
-      description = ''
-        Static IPv4 address for the VM.
-      '';
-    };
-
-    staticIPv6 = lib.mkOption {
-      type = lib.types.str;
-      description = ''
-        Static IPv6 address for the VM.
-      '';
-    };
-
     shares = lib.mkOption {
       default = [ ];
       description = ''
@@ -73,16 +51,20 @@
       mountPoint = "/etc/ssh/host_keys";
     }];
 
-    services.openssh = {
-      # hostKeys = [{
-      #   path = "/etc/ssh/host_keys/ssh_host_ed25519_key";
-      #   type = "ed25519";
-      # }];
+    services.openssh =
+      let
+        hostKeyPath = "/etc/ssh/host_keys/ssh_host_ed25519_key";
+      in
+      {
+        hostKeys = [{
+          path = hostKeyPath;
+          type = "ed25519";
+        }];
 
-      # extraConfig = ''
-      #   HostKey /etc/ssh/host_keys/ssh_host_ed25519_key
-      # '';
-    };
+        extraConfig = ''
+          HostKey ${hostKeyPath}
+        '';
+      };
 
     microvm = {
       # TODO: make this dependent on the host CPU
@@ -108,51 +90,5 @@
         mac = pkgs.lib.net.mac.add config.lab.vm.id config.lab.vm.baseMACAddress;
       }];
     };
-
-    networking.useDHCP = false;
-
-    systemd.network =
-      let
-        cfg = config.lab.networking;
-      in
-      {
-        enable = true;
-
-        networks = {
-          "30-main-nic" = {
-            matchConfig.Name = "en*";
-
-            networkConfig = {
-              IPv6AcceptRA = ! config.lab.vm.staticNetworking;
-              DHCP = lib.mkIf (! config.lab.vm.staticNetworking) "yes";
-
-              Address = lib.mkIf config.lab.vm.staticNetworking [
-                "${ config.lab.vm.staticIPv4}/${cfg.dmz.ipv4.prefixLength}"
-                "${config.lab.vm.staticIPv6}/${cfg.dmz.ipv6.prefixLength}"
-              ];
-
-              DNS = lib.mkIf config.lab.vm.staticNetworking [
-                cfg.dmz.ipv4.router
-                cfg.dmz.ipv6.router
-              ];
-            };
-
-            routes = lib.mkIf config.lab.vm.staticNetworking [
-              {
-                routeConfig = {
-                  Gateway = cfg.dmz.ipv4.router;
-                  Destination = "0.0.0.0/0";
-                };
-              }
-              {
-                routeConfig = {
-                  Gateway = cfg.dmz.ipv6.router;
-                  Destination = "::/0";
-                };
-              }
-            ];
-          };
-        };
-      };
   };
 }