nvidia-container-toolkit/internal/edits/device.go
Evan Lezar 3604927034 Replace github.com/container-orchestrated-devices/container-device-interface with tags.cncf.io
This also removes the indirect dependency on runc which has a CVE.

Signed-off-by: Evan Lezar <elezar@nvidia.com>
2024-02-07 12:29:01 +01:00

62 lines
1.9 KiB
Go

/**
# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
**/
package edits
import (
"tags.cncf.io/container-device-interface/pkg/cdi"
"tags.cncf.io/container-device-interface/specs-go"
"github.com/NVIDIA/nvidia-container-toolkit/internal/discover"
)
type device discover.Device
// toEdits converts a discovered device to CDI Container Edits.
func (d device) toEdits() (*cdi.ContainerEdits, error) {
deviceNode, err := d.toSpec()
if err != nil {
return nil, err
}
e := cdi.ContainerEdits{
ContainerEdits: &specs.ContainerEdits{
DeviceNodes: []*specs.DeviceNode{deviceNode},
},
}
return &e, nil
}
// toSpec converts a discovered Device to a CDI Spec Device. Note
// that missing info is filled in when edits are applied by querying the Device node.
func (d device) toSpec() (*specs.DeviceNode, error) {
// The HostPath field was added in the v0.5.0 CDI specification.
// The cdi package uses strict unmarshalling when loading specs from file causing failures for
// unexpected fields.
// Since the behaviour for HostPath == "" and HostPath == Path are equivalent, we clear HostPath
// if it is equal to Path to ensure compatibility with the widest range of specs.
hostPath := d.HostPath
if hostPath == d.Path {
hostPath = ""
}
s := specs.DeviceNode{
HostPath: hostPath,
Path: d.Path,
}
return &s, nil
}