From b4b1b393460580278fda148ac790ada6f1c19d36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafael=20Fern=C3=A1ndez=20L=C3=B3pez?=
 <ereslibre@ereslibre.es>
Date: Fri, 14 Jun 2024 09:57:34 +0200
Subject: [PATCH] nvidia-container-toolkit: only mount existing paths in the
 host

---
 .../hardware/nvidia-container-toolkit/cdi-generate.nix      | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/nixos/modules/services/hardware/nvidia-container-toolkit/cdi-generate.nix b/nixos/modules/services/hardware/nvidia-container-toolkit/cdi-generate.nix
index 360a832e28cb..29d454db57d8 100644
--- a/nixos/modules/services/hardware/nvidia-container-toolkit/cdi-generate.nix
+++ b/nixos/modules/services/hardware/nvidia-container-toolkit/cdi-generate.nix
@@ -14,10 +14,10 @@
     options = mountOptions;
   };
   jqAddMountExpression = ".containerEdits.mounts[.containerEdits.mounts | length] |= . +";
-  allJqMounts = lib.concatMap
+  existingJqMounts = lib.concatMap
     (mount:
       ["${lib.getExe jq} '${jqAddMountExpression} ${builtins.toJSON (mkMount mount)}'"])
-    mounts;
+    (builtins.filter (mount: builtins.pathExists mount.hostPath) mounts);
 in
 writeScriptBin "nvidia-cdi-generator"
 ''
@@ -33,5 +33,5 @@ function cdiGenerate {
 }
 
 cdiGenerate | \
-  ${lib.concatStringsSep " | " allJqMounts} > $RUNTIME_DIRECTORY/nvidia-container-toolkit.json
+  ${lib.concatStringsSep " | " existingJqMounts} > $RUNTIME_DIRECTORY/nvidia-container-toolkit.json
 ''