From fa5c68b2a35fe745e7ec2ffeac862128b1fc4e29 Mon Sep 17 00:00:00 2001
From: kalipso <kalipso@c3d2.de>
Date: Wed, 22 Jan 2025 12:30:17 +0100
Subject: [PATCH] [vmBuilder] add writable store flag

---
 outputs.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/outputs.nix b/outputs.nix
index 3c2433f..86be7f6 100644
--- a/outputs.nix
+++ b/outputs.nix
@@ -78,6 +78,7 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
             echo "--networking setup interfaces. requires root and hostbridge enabled on the host"
             echo "--dummy-secrets run vm with dummy sops secrets"
             echo "--no-disko disable disko and initrd secrets. needed for real hosts like fanny"
+            echo "--writable-store enables writable store. necessary for host with nested imperative microvms like fanny"
             echo "--var path to directory that should be shared as /var. may require root otherwise some systemd units fail within vm. if dir is empty vm will populate"
             exit 1
         }
@@ -93,6 +94,7 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
         NETWORK=false
         DUMMY_SECRETS=false
         NO_DISKO=false
+        RW_STORE=false
         VAR_PATH=""
         
         # check argws
@@ -102,6 +104,7 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
                 --networking) NETWORK=true ;;
                 --dummy-secrets) DUMMY_SECRETS=true ;;
                 --no-disko) NO_DISKO=true ;;
+                --writable-store) RW_STORE=true ;;
                 --var) 
                   if [[ -n "$2" && ! "$2" =~ ^- ]]; then
                       VAR_PATH="$2"
@@ -119,11 +122,12 @@ in (utils.lib.eachSystem (builtins.filter filter_system utils.lib.defaultSystems
         echo "enable networking: $NETWORK"
         echo "deploy dummy secrets: $DUMMY_SECRETS"
         echo "disable disko and initrd secrets: $NO_DISKO"
+        echo "use writable store: $RW_STORE"
         if [ -n "$VAR_PATH" ]; then
           echo "sharing var directory: $VAR_PATH"
         fi
         
-        ${pkgs.nix}/bin/nix run --show-trace --impure --expr "((builtins.getFlake \"$(pwd)\").vmBuilder.x86_64-linux \"$HOSTNAME\" $NETWORK $DUMMY_SECRETS $NO_DISKO \"$VAR_PATH\")"
+        ${pkgs.nix}/bin/nix run --show-trace --impure --expr "((builtins.getFlake \"$(pwd)\").vmBuilder.x86_64-linux \"$HOSTNAME\" $NETWORK $DUMMY_SECRETS $NO_DISKO \"$VAR_PATH\" $RW_STORE).config.microvm.declaredRunner"
       '';
     };