From a4723c6cf2271771669ba783f0b9a0ed1bf4c22f Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Mon, 13 Jun 2022 20:00:35 +0200
Subject: [PATCH] freifunk: microvmize

---
 flake.nix                             |  1 +
 hosts/containers/freifunk/default.nix | 27 +++++++++++++++++++++++++--
 hosts/server10/microvms.nix           |  1 +
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/flake.nix b/flake.nix
index 3e01fb37..a739edd4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -314,6 +314,7 @@
 
         freifunk = nixosSystem' {
           modules = [
+            microvm.nixosModules.microvm
             ./hosts/containers/freifunk
             {
               nixpkgs.overlays = with secrets.overlays; [
diff --git a/hosts/containers/freifunk/default.nix b/hosts/containers/freifunk/default.nix
index 90586e7b..b553cdc6 100644
--- a/hosts/containers/freifunk/default.nix
+++ b/hosts/containers/freifunk/default.nix
@@ -24,10 +24,33 @@ let
 in {
   imports = [
     "${modulesPath}/profiles/minimal.nix"
-    ../../../config/lxc-container.nix
-    ../../../config/shared.nix
   ];
 
+  microvm = {
+    mem = 512;
+    hypervisor = "cloud-hypervisor";
+
+    shares = [ {
+      source = "/nix/store";
+      mountPoint = "/nix/.ro-store";
+      tag = "store";
+      proto = "virtiofs";
+      socket = "store.socket";
+    } ] ++ map (dir: {
+      source = "/var/lib/microvms/${config.networking.hostName}/${dir}";
+      mountPoint = "/${dir}";
+      tag = dir;
+      proto = "virtiofs";
+      socket = "${dir}.socket";
+    }) [ "etc" "home" "var"];
+
+    interfaces = [ {
+      type = "tap";
+      id = "freifunk";
+      mac = "00:de:13:cb3:9a:7b";
+    } ];
+  };
+
   boot.tmpOnTmpfs = true;
   boot.postBootCommands = ''
     if [ ! -c /dev/net/tun ]; then
diff --git a/hosts/server10/microvms.nix b/hosts/server10/microvms.nix
index e320bca3..a3a006ff 100644
--- a/hosts/server10/microvms.nix
+++ b/hosts/server10/microvms.nix
@@ -2,6 +2,7 @@
   microvm.autostart = [ "oparl" "leon" "nfsroot" ];
   c3d2.server.bridgePorts = {
     serv = [ "oparl" "leon" "nfsroot" ];
+    core = [ "freifunk" ];
   };
 
   nix = {