From c34e2e72c27fd20cf98756bd26609c53af7ae709 Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Wed, 31 Mar 2021 01:23:58 +0200
Subject: [PATCH] nix/pkgs: build *-vm packages

---
 nix/nixos-module/defaults.nix |  9 ++++++++-
 nix/pkgs/default.nix          | 25 +++++++++++++++++++------
 2 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/nix/nixos-module/defaults.nix b/nix/nixos-module/defaults.nix
index 0cce780..2acb012 100644
--- a/nix/nixos-module/defaults.nix
+++ b/nix/nixos-module/defaults.nix
@@ -1,4 +1,4 @@
-{ hostName, inputs, pkgs, ... }:
+{ hostName, inputs, pkgs, options, lib, ... }:
 
 {
   nix = {
@@ -20,5 +20,12 @@
 
   users.users.root.initialHashedPassword = "";
 
+  virtualisation = lib.optionalAttrs (builtins.hasAttr "qemu" options.virtualisation) {
+    memorySize = 4096;
+    msize = 65536;
+    cores = 4;
+    qemu.options = [ "-enable-kvm" ];
+  };
+
   system.stateVersion = "20.09";
 }
diff --git a/nix/pkgs/default.nix b/nix/pkgs/default.nix
index 8b70915..4ceafc2 100644
--- a/nix/pkgs/default.nix
+++ b/nix/pkgs/default.nix
@@ -3,10 +3,12 @@
 let
   inherit (self.lib) config;
 
+  pkgs = nixpkgs.legacyPackages.${system};
+
   export-config-file = builtins.toFile "config.nix" (
     nixpkgs.lib.generators.toPretty {} config
   );
-  export-config = nixpkgs.legacyPackages.${system}.runCommandLocal "config.nix" {} ''
+  export-config = pkgs.runCommandLocal "config.nix" {} ''
     cp ${export-config-file} $out
   '';
 
@@ -14,7 +16,7 @@ let
     nixpkgs.lib.generators.toPretty {} (self.lib.saltPillarFor hostName)
   );
   salt-pillars = builtins.foldl' (result: hostName: result // {
-    "${hostName}-pillar" = nixpkgs.legacyPackages.${system}.runCommandLocal "${hostName}-pillar.nix" {} ''
+    "${hostName}-pillar" = pkgs.runCommandLocal "${hostName}-pillar.nix" {} ''
       cp ${salt-pillar-file hostName} $out
     '';
   }) {} (
@@ -24,7 +26,7 @@ let
   );
 
   mkRootfs = hostName:
-    nixpkgs.legacyPackages.${system}.runCommandLocal "rootfs_${hostName}" {
+    pkgs.runCommandLocal "rootfs_${hostName}" {
       src = self.nixosConfigurations.${hostName}.config.system.build.toplevel;
     } ''
       set -x
@@ -33,12 +35,23 @@ let
       ln -s $src/etc $out/etc/static
     '';
 
-  rootfs =
+  rootfs-packages =
     builtins.foldl' (rootfs: hostName: rootfs // {
       "${hostName}-rootfs" = mkRootfs hostName;
     }) {} (
       builtins.attrNames (
-        nixpkgs.lib.filterAttrs (_: { role, ... }: role == "container")
+        nixpkgs.lib.filterAttrs (_: { role, ... }: builtins.elem role ["server" "container"])
+          config.site.hosts
+      )
+    );
+
+  vm-packages =
+    builtins.foldl' (rootfs: hostName: rootfs // {
+      # "${hostName}-vm" = mkVM hostName;
+      "${hostName}-vm" = self.nixosConfigurations.${hostName}.config.system.build.vm;
+    }) {} (
+      builtins.attrNames (
+        nixpkgs.lib.filterAttrs (_: { role, ... }: role == "server")
           config.site.hosts
       )
     );
@@ -48,6 +61,6 @@ let
   };
 
 in
-salt-pillars // rootfs // device-templates // {
+salt-pillars // rootfs-packages // vm-packages // device-templates // {
   inherit export-config;
 }