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Merge pull request #943 from elezar/add-disable-imex-channels-feature
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Add ignore-imex-channel-requests feature flag
This commit is contained in:
Evan Lezar 2025-02-28 17:53:28 +02:00 committed by GitHub
commit bc9ec77fdd
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2 changed files with 12 additions and 0 deletions
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4
cmd/nvidia-container-runtime-hook/container_config.go
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@ -198,6 +198,10 @@ func getMigDevices(image image.CUDA, envvar string) *string {
}
func (hookConfig *hookConfig) getImexChannels(image image.CUDA, privileged bool) []string {
if hookConfig.Features.IgnoreImexChannelRequests.IsEnabled() {
return nil
}
// If enabled, try and get the device list from volume mounts first
if hookConfig.AcceptDeviceListAsVolumeMounts {
devices := image.ImexChannelsFromMounts()

8
internal/config/features.go
View File

@ -34,6 +34,14 @@ type features struct {
// DisableImexChannelCreation ensures that the implicit creation of
// requested IMEX channels is skipped when invoking the nvidia-container-cli.
DisableImexChannelCreation *feature `toml:"disable-imex-channel-creation,omitempty"`
// IgnoreImexChannelRequests configures the NVIDIA Container Toolkit to
// ignore IMEX channel requests through the NVIDIA_IMEX_CHANNELS envvar or
// volume mounts.
// This ensures that the NVIDIA Container Toolkit cannot be used to provide
// access to an IMEX channel by simply specifying an environment variable,
// possibly bypassing other checks by an orchestration system such as
// kubernetes.
IgnoreImexChannelRequests *feature `toml:"ignore-imex-channel-requests,omitempty"`
}
type feature bool