server10: set microvm.autostart from all nixosConfigurations

flake.nix

@@ -617,6 +617,7 @@
           modules = [
             ./hosts/server10
             microvm.nixosModules.host
+            { _module.args = { inherit self; }; }
           ];
         };
 

hosts/server10/microvms.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ self, config, lib, pkgs, ... }:
 {
   options = with lib; {
     c3d2.deployment.microvmBaseZfsDataset = mkOption {
@@ -8,7 +8,19 @@
   };
 
   config = {
-    microvm.autostart = [ "oparl" "leon" "nfsroot" "freifunk" ];
+    microvm.autostart =
+      # static list of microvms from other sources
+      [ "staging-data-hoarder" ]
+      ++
+      # just all the microvms from this flake
+      # that are supposed to run on the server
+      builtins.filter (name:
+        self.nixosConfigurations.${name}
+          .config ? c3d2.deployment.server
+        && self.nixosConfigurations.${name}
+          .config.c3d2.deployment.server
+        == config.networking.hostName
+      ) (builtins.attrNames self.nixosConfigurations);
 
     systemd.services."microvm-virtiofsd@" = {
       requires = [ "microvm-zfs-datasets@%i.service" ];