From b75d15a9a88c5f8e31d1c91d44cbaaf00e3bb8f2 Mon Sep 17 00:00:00 2001
From: Rob Vermaas <rob.vermaas@gmail.com>
Date: Fri, 16 Apr 2010 15:09:47 +0000
Subject: [PATCH] virtualisation: add option to switch off readonly host fs in
vm
svn path=/nixos/trunk/; revision=21126
---
lib/testing.nix | 1 +
modules/virtualisation/qemu-vm.nix | 11 ++++++++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/lib/testing.nix b/lib/testing.nix
index ca0b72972512..392ae8ca9b0d 100644
--- a/lib/testing.nix
+++ b/lib/testing.nix
@@ -145,6 +145,7 @@ rec {
{ config, pkgs, ... }:
{
virtualisation.memorySize = 1024;
+ virtualisation.readonlyHostFS = false;
services.xserver.enable = true;
services.xserver.displayManager.slim.enable = false;
services.xserver.displayManager.auto.enable = true;
diff --git a/modules/virtualisation/qemu-vm.nix b/modules/virtualisation/qemu-vm.nix
index a17e167cb46a..c8b45f86b82f 100644
--- a/modules/virtualisation/qemu-vm.nix
+++ b/modules/virtualisation/qemu-vm.nix
@@ -60,6 +60,15 @@ let
'';
};
+ virtualisation.readonlyHostFS =
+ mkOption {
+ default = true;
+ description =
+ ''
+ Whether to mount the hostfs read-only.
+ '';
+ };
+
};
cfg = config.virtualisation;
@@ -163,7 +172,7 @@ in
{ mountPoint = "/hostfs";
device = "//10.0.2.4/qemu";
fsType = "cifs";
- options = "guest,username=nobody,noperm";
+ options = "guest,username=nobody${if config.virtualisation.readonlyHostFS then ",noperm" else ""}";
neededForBoot = true;
}
{ mountPoint = "/nix/store";