Merge branch '19081-singularity-no-eval'

[arvados.git] / lib / crunchrun / singularity.go

diff --git a/lib/crunchrun/singularity.go b/lib/crunchrun/singularity.go
index 879c46c8989612913b3474ebddcb88b9be5bb122..1af0d420e4ca814c0da717b9f21ed1a432a59161 100644 (file)
--- a/lib/crunchrun/singularity.go
+++ b/lib/crunchrun/singularity.go
@@ -299,6 +299,14 @@ func (e *singularityExecutor) execCmd(path string) *exec.Cmd {
                // us to select specific devices we need to propagate that.
                env = append(env, "SINGULARITYENV_CUDA_VISIBLE_DEVICES="+cudaVisibleDevices)
        }
+       // Singularity's default behavior is to evaluate each
+       // SINGULARITYENV_* env var with a shell as a double-quoted
+       // string and pass the result to the contained
+       // process. Singularity 3.10+ has an option to pass env vars
+       // through literally without evaluating, which is what we
+       // want. See https://github.com/sylabs/singularity/pull/704
+       // and https://dev.arvados.org/issues/19081
+       env = append(env, "SINGULARITY_NO_EVAL=1")
 
        args = append(args, e.imageFilename)
        args = append(args, e.spec.Command...)