From eac98ed50efe959941340505aedb0020f4fad896 Mon Sep 17 00:00:00 2001
From: Sirio Balmelli <sirio@b-ad.ch>
Date: Thu, 26 Oct 2023 23:54:24 +0200
Subject: [PATCH] openstack-image-zfs: add 'ramMB' option to configure build VM
 memory

Increase 'ramMB' to avoid OOM errors when building images.

Signed-off-by: Sirio Balmelli <sirio@b-ad.ch>
---
 .../maintainers/scripts/openstack/openstack-image-zfs.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/nixos/maintainers/scripts/openstack/openstack-image-zfs.nix b/nixos/maintainers/scripts/openstack/openstack-image-zfs.nix
index 936dcee12949..60f0535854dd 100644
--- a/nixos/maintainers/scripts/openstack/openstack-image-zfs.nix
+++ b/nixos/maintainers/scripts/openstack/openstack-image-zfs.nix
@@ -20,6 +20,12 @@ in
       default = "nixos-openstack-image-${config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}";
     };
 
+    ramMB = mkOption {
+      type = types.int;
+      default = 1024;
+      description = lib.mdDoc "RAM allocation for build VM";
+    };
+
     sizeMB = mkOption {
       type = types.int;
       default = 8192;
@@ -64,7 +70,7 @@ in
       includeChannel = copyChannel;
 
       bootSize = 1000;
-
+      memSize = cfg.ramMB;
       rootSize = cfg.sizeMB;
       rootPoolProperties = {
         ashift = 12;