mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-23 00:38:26 +00:00
79 lines
2.0 KiB
Go
79 lines
2.0 KiB
Go
/*
|
|
Copyright © 2021 The CDI Authors
|
|
|
|
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 cdi
|
|
|
|
import (
|
|
cdi "github.com/container-orchestrated-devices/container-device-interface/specs-go"
|
|
oci "github.com/opencontainers/runtime-spec/specs-go"
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
// Device represents a CDI device of a Spec.
|
|
type Device struct {
|
|
*cdi.Device
|
|
spec *Spec
|
|
}
|
|
|
|
// Create a new Device, associate it with the given Spec.
|
|
func newDevice(spec *Spec, d cdi.Device) (*Device, error) {
|
|
dev := &Device{
|
|
Device: &d,
|
|
spec: spec,
|
|
}
|
|
|
|
if err := dev.validate(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return dev, nil
|
|
}
|
|
|
|
// GetSpec returns the Spec this device is defined in.
|
|
func (d *Device) GetSpec() *Spec {
|
|
return d.spec
|
|
}
|
|
|
|
// GetQualifiedName returns the qualified name for this device.
|
|
func (d *Device) GetQualifiedName() string {
|
|
return QualifiedName(d.spec.GetVendor(), d.spec.GetClass(), d.Name)
|
|
}
|
|
|
|
// ApplyEdits applies the device-speific container edits to an OCI Spec.
|
|
func (d *Device) ApplyEdits(ociSpec *oci.Spec) error {
|
|
return d.edits().Apply(ociSpec)
|
|
}
|
|
|
|
// edits returns the applicable container edits for this spec.
|
|
func (d *Device) edits() *ContainerEdits {
|
|
return &ContainerEdits{&d.ContainerEdits}
|
|
}
|
|
|
|
// Validate the device.
|
|
func (d *Device) validate() error {
|
|
if err := ValidateDeviceName(d.Name); err != nil {
|
|
return err
|
|
}
|
|
edits := d.edits()
|
|
if edits.isEmpty() {
|
|
return errors.Errorf("invalid device, empty device edits")
|
|
}
|
|
if err := edits.Validate(); err != nil {
|
|
return errors.Wrapf(err, "invalid device %q", d.Name)
|
|
}
|
|
return nil
|
|
}
|