mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2025-06-15 02:48:18 +00:00
0134ba4250
This change allows device IDs to the specified in the GetSpec API. This simplifies cases where CDI specs are being generated for specific devices by ID. Signed-off-by: Evan Lezar <elezar@nvidia.com>
86 lines
2.3 KiB
Go
86 lines
2.3 KiB
Go
/**
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# Copyright 2025 NVIDIA CORPORATION
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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**/
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package nvcdi
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import (
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"tags.cncf.io/container-device-interface/pkg/cdi"
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"tags.cncf.io/container-device-interface/specs-go"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/config/image"
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"github.com/NVIDIA/nvidia-container-toolkit/pkg/nvcdi/spec"
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"github.com/NVIDIA/nvidia-container-toolkit/pkg/nvcdi/transform"
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)
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type wrapper struct {
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Interface
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vendor string
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class string
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mergedDeviceOptions []transform.MergedDeviceOption
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}
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// GetSpec combines the device specs and common edits from the wrapped Interface to a single spec.Interface.
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func (l *wrapper) GetSpec(devices ...string) (spec.Interface, error) {
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if len(devices) == 0 {
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devices = append(devices, "all")
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}
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deviceSpecs, err := l.GetDeviceSpecsByID(devices...)
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if err != nil {
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return nil, err
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}
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edits, err := l.GetCommonEdits()
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if err != nil {
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return nil, err
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}
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return spec.New(
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spec.WithDeviceSpecs(deviceSpecs),
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spec.WithEdits(*edits.ContainerEdits),
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spec.WithVendor(l.vendor),
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spec.WithClass(l.class),
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spec.WithMergedDeviceOptions(l.mergedDeviceOptions...),
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)
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}
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func (l *wrapper) GetDeviceSpecsByID(devices ...string) ([]specs.Device, error) {
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for _, device := range devices {
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if device != "all" {
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continue
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}
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return l.GetAllDeviceSpecs()
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}
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return l.Interface.GetDeviceSpecsByID(devices...)
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}
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// GetAllDeviceSpecs returns the device specs for all available devices.
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func (l *wrapper) GetAllDeviceSpecs() ([]specs.Device, error) {
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return l.Interface.GetAllDeviceSpecs()
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}
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// GetCommonEdits returns the wrapped edits and adds additional edits on top.
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func (m *wrapper) GetCommonEdits() (*cdi.ContainerEdits, error) {
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edits, err := m.Interface.GetCommonEdits()
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if err != nil {
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return nil, err
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}
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edits.Env = append(edits.Env, image.EnvVarNvidiaVisibleDevices+"=void")
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return edits, nil
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}
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