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Only use configured nvidia-ctk path if it is a full path

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If this is not done, the default config which sets the nvidia-ctk.path
option as "nvidia-ctk" will result in an invalid OCI spec if a hook is
injected. This change ensures that the path used is always an absolute
path as required by the hook spec.

Signed-off-by: Evan Lezar <elezar@nvidia.com>
This commit is contained in:
Evan Lezar 2023-02-01 04:12:49 +01:00
parent 763e4936cd
commit 7045a223d2
1 changed files with 11 additions and 9 deletions
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20
internal/discover/hooks.go
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@ -39,22 +39,24 @@ func CreateNvidiaCTKHook(executable string, hookName string, additionalArgs ...s
}
// FindNvidiaCTK locates the nvidia-ctk executable to be used in hooks.
// If an override is specified, this is used instead.
func FindNvidiaCTK(logger *logrus.Logger, override string) string {
if override != "" {
logger.Debugf("Using specified NVIDIA Container Toolkit CLI path %v", override)
return override
// If an nvidia-ctk path is specified as an absolute path, it is used directly
// without checking for existence of an executable at that path.
func FindNvidiaCTK(logger *logrus.Logger, nvidiaCTKPath string) string {
if filepath.IsAbs(nvidiaCTKPath) {
logger.Debugf("Using specified NVIDIA Container Toolkit CLI path %v", nvidiaCTKPath)
return nvidiaCTKPath
}
logger.Debugf("Locating NVIDIA Container Toolkit CLI as %v", nvidiaCTKPath)
lookup := lookup.NewExecutableLocator(logger, "")
hookPath := nvidiaCTKDefaultFilePath
targets, err := lookup.Locate(nvidiaCTKExecutable)
targets, err := lookup.Locate(nvidiaCTKPath)
if err != nil {
logger.Warnf("Failed to locate %v: %v", nvidiaCTKExecutable, err)
logger.Warnf("Failed to locate %v: %v", nvidiaCTKPath, err)
} else if len(targets) == 0 {
logger.Warnf("%v not found", nvidiaCTKExecutable)
logger.Warnf("%v not found", nvidiaCTKPath)
} else {
logger.Debugf("Found %v candidates: %v", nvidiaCTKExecutable, targets)
logger.Debugf("Found %v candidates: %v", nvidiaCTKPath, targets)
hookPath = targets[0]
}
logger.Debugf("Using NVIDIA Container Toolkit CLI path %v", hookPath)