manage vcpus and memory of VMs

fix kitchenowl connectivity

nixos/machines/default.nix

@@ -83,29 +83,30 @@
     };
   };
 
-  maestro2 = {
+  maestro = {
     type = "virtual";
     hypervisorName = "atlas";
 
-    nixosModule = { pkgs, lib, config, ... }: {
+    nixosModule = { config, ... }: {
+      microvm.balloonMem = 7680;
+
       lab = {
         dockerSwarm.enable = true;
 
         vm = {
           id = 1;
-          staticNetworking = true;
-          staticIPv4 = "192.168.30.42";
-          staticIPv6 = "2a0d:6e00:1a77:30::42";
         };
       };
     };
   };
 
-  bancomart2 = {
+  bancomart = {
     type = "virtual";
     hypervisorName = "jefke";
 
-    nixosModule = { pkgs, lib, config, ... }: {
+    nixosModule = {
+      microvm.balloonMem = 7680;
+
       lab = {
         dockerSwarm.enable = true;
         vm.id = 2;
@@ -113,11 +114,13 @@
     };
   };
 
-  vpay2 = {
+  vpay = {
     type = "virtual";
     hypervisorName = "lewis";
 
-    nixosModule = { pkgs, lib, config, ... }: {
+    nixosModule = {
+      microvm.balloonMem = 5632;
+
       lab = {
         dockerSwarm.enable = true;
         vm.id = 3;

nixos/modules/networking/dmz_services/dnsmasq.nix

@@ -17,7 +17,7 @@ in
   port = "5353";
   host-record = [
     "hermes.dmz,${cfg.dmz.ipv4.services},${cfg.dmz.ipv6.services}"
-    "ipv4.hermes.dmz,${cfg.dmz.ipv4.services}"
+    "ipv4.hermes.dmz,${cfg.dmz.ipv4.services}" # TODO: Do we need these?
     "ipv6.hermes.dmz,${cfg.dmz.ipv6.services}"
   ];
 
@@ -34,7 +34,7 @@ in
 
   dhcp-host = [
     "b8:27:eb:b9:ab:e2,esrom"
-    "ca:fe:c0:ff:ee:08,maestro,${cfg.dmz.ipv4.dockerSwarm}"
+    "ba:db:ee:f0:00:01,maestro,${cfg.dmz.ipv4.dockerSwarm}"
   ];
 
   dhcp-option = [

nixos/virtual/default.nix

@@ -85,6 +85,9 @@
     };
 
     microvm = {
+      # TODO: make this dependent on the host CPU
+      vcpu = 4;
+
       shares = [{
         source = "/nix/store";
         mountPoint = "/nix/.ro-store";