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Add utility function to generatee nvidia-ctk OCI hook

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Signed-off-by: Evan Lezar <elezar@nvidia.com>
This commit is contained in:
Evan Lezar 2022-11-23 16:28:28 +01:00
parent 9b33c34a57
commit d51c8fcfa7
1 changed files with 26 additions and 10 deletions
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36
internal/discover/ldconfig.go
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@ -67,27 +67,43 @@ func (d ldconfig) Hooks() ([]Hook, error) {
}
// CreateLDCacheUpdateHook locates the NVIDIA Container Toolkit CLI and creates a hook for updating the LD Cache
func CreateLDCacheUpdateHook(logger *logrus.Logger, lookup lookup.Locator, execuable string, defaultPath string, libraries []string) Hook {
func CreateLDCacheUpdateHook(logger *logrus.Logger, lookup lookup.Locator, executable string, defaultPath string, libraries []string) Hook {
var args []string
for _, f := range uniqueFolders(libraries) {
args = append(args, "--folder", f)
}
hook := CreateNvidiaCTKHook(
logger,
lookup,
executable,
defaultPath,
"update-ldcache",
args...,
)
return hook
}
// CreateNvidiaCTKHook creates a hook which invokes the NVIDIA Container CLI hook subcommand.
func CreateNvidiaCTKHook(logger *logrus.Logger, lookup lookup.Locator, executable string, defaultPath string, hookName string, additionalArgs ...string) Hook {
hookPath := defaultPath
targets, err := lookup.Locate(execuable)
targets, err := lookup.Locate(executable)
if err != nil {
logger.Warnf("Failed to locate %v: %v", execuable, err)
logger.Warnf("Failed to locate %v: %v", executable, err)
} else if len(targets) == 0 {
logger.Warnf("%v not found", execuable)
logger.Warnf("%v not found", executable)
} else {
logger.Debugf("Found %v candidates: %v", execuable, targets)
logger.Debugf("Found %v candidates: %v", executable, targets)
hookPath = targets[0]
}
logger.Debugf("Using NVIDIA Container Toolkit CLI path %v", hookPath)
args := []string{filepath.Base(hookPath), "hook", "update-ldcache"}
for _, f := range uniqueFolders(libraries) {
args = append(args, "--folder", f)
}
return Hook{
Lifecycle: cdi.CreateContainerHook,
Path: hookPath,
Args: args,
Args: append([]string{filepath.Base(hookPath), "hook", hookName}, additionalArgs...),
}
}