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Add 'target-driver-root' option to 'nvidia-ctk cdi generate' to transform root paths in generated spec

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Signed-off-by: Christopher Desiniotis <cdesiniotis@nvidia.com>
This commit is contained in:
Christopher Desiniotis 2023-03-27 22:22:36 -07:00
parent 1722b07615
commit 92d82ceaee
1 changed files with 26 additions and 1 deletions
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27
cmd/nvidia-ctk/cdi/generate/generate.go
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@ -26,6 +26,7 @@ import (
"github.com/NVIDIA/nvidia-container-toolkit/internal/edits"
"github.com/NVIDIA/nvidia-container-toolkit/pkg/nvcdi"
"github.com/NVIDIA/nvidia-container-toolkit/pkg/nvcdi/spec"
"github.com/NVIDIA/nvidia-container-toolkit/pkg/nvcdi/transform"
"github.com/container-orchestrated-devices/container-device-interface/pkg/cdi"
specs "github.com/container-orchestrated-devices/container-device-interface/specs-go"
"github.com/sirupsen/logrus"
@ -45,6 +46,7 @@ type config struct {
format string
deviceNameStrategy string
driverRoot string
targetDriverRoot string
nvidiaCTKPath string
mode string
}
@ -108,6 +110,12 @@ func (m command) build() *cli.Command {
Usage: "Specify the path to use for the nvidia-ctk in the generated CDI specification. If this is left empty, the path will be searched.",
Destination: &cfg.nvidiaCTKPath,
},
&cli.StringFlag{
Name: "target-driver-root",
Usage: "Specify the NVIDIA GPU driver root to use in the generated CDI specification. Only used if not empty and differs from 'driver-root' used during discovery.",
Value: "",
Destination: &cfg.targetDriverRoot,
},
}
return &c
@ -140,6 +148,10 @@ func (m command) validateFlags(c *cli.Context, cfg *config) error {
cfg.nvidiaCTKPath = discover.FindNvidiaCTK(m.logger, cfg.nvidiaCTKPath)
if cfg.targetDriverRoot == "" {
cfg.targetDriverRoot = cfg.driverRoot
}
if outputFileFormat := formatFromFilename(cfg.output); outputFileFormat != "" {
m.logger.Debugf("Inferred output format as %q from output file name", outputFileFormat)
if !c.IsSet("format") {
@ -223,13 +235,26 @@ func (m command) generateSpec(cfg *config) (spec.Interface, error) {
return nil, fmt.Errorf("failed to create edits common for entities: %v", err)
}
return spec.New(
spec, err := spec.New(
spec.WithVendor("nvidia.com"),
spec.WithClass("gpu"),
spec.WithDeviceSpecs(deviceSpecs),
spec.WithEdits(*commonEdits.ContainerEdits),
spec.WithFormat(cfg.format),
)
if err != nil {
return nil, err
}
err = transform.NewRootTransformer(
cfg.driverRoot,
cfg.targetDriverRoot,
).Transform(spec.Raw())
if err != nil {
return nil, fmt.Errorf("failed to transform driver root in CDI spec: %v", err)
}
return spec, err
}
// MergeDeviceSpecs creates a device with the specified name which combines the edits from the previous devices.