mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-22 16:29:18 +00:00
61 lines
1.9 KiB
Go
61 lines
1.9 KiB
Go
/**
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# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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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 edits
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import (
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"github.com/NVIDIA/nvidia-container-toolkit/internal/discover"
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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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)
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type device discover.Device
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// toEdits converts a discovered device to CDI Container Edits.
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func (d device) toEdits() (*cdi.ContainerEdits, error) {
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deviceNode, err := d.toSpec()
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if err != nil {
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return nil, err
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}
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e := cdi.ContainerEdits{
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ContainerEdits: &specs.ContainerEdits{
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DeviceNodes: []*specs.DeviceNode{deviceNode},
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},
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}
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return &e, nil
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}
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// toSpec converts a discovered Device to a CDI Spec Device. Note
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// that missing info is filled in when edits are applied by querying the Device node.
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func (d device) toSpec() (*specs.DeviceNode, error) {
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// The HostPath field was added in the v0.5.0 CDI specification.
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// The cdi package uses strict unmarshalling when loading specs from file causing failures for
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// unexpected fields.
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// Since the behaviour for HostPath == "" and HostPath == Path are equivalent, we clear HostPath
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// if it is equal to Path to ensure compatibility with the widest range of specs.
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hostPath := d.HostPath
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if hostPath == d.Path {
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hostPath = ""
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}
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s := specs.DeviceNode{
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HostPath: hostPath,
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Path: d.Path,
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}
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return &s, nil
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}
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