nvidia-container-toolkit/cmd/nvidia-ctk/cdi/generate/device.go
Evan Lezar e4e1de82ec Refactor nvidia-ctk cdi generate command
This change refactors the generation of CDI specifications
to use discoverers and generate the CDI specifications from these
discoverers. This allows for better reuse.

Signed-off-by: Evan Lezar <elezar@nvidia.com>
2022-12-02 11:49:37 +01:00

58 lines
1.6 KiB
Go

/**
# Copyright (c) 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 generate
import (
"path/filepath"
"github.com/NVIDIA/nvidia-container-toolkit/internal/discover"
"github.com/sirupsen/logrus"
)
// deviceDiscoverer defines a discoverer for device nodes
type deviceDiscoverer struct {
logger *logrus.Logger
root string
deviceNodePaths []string
}
var _ discover.Discover = (*deviceDiscoverer)(nil)
// Devices returns the device nodes for the full GPU.
func (d *deviceDiscoverer) Devices() ([]discover.Device, error) {
var deviceNodes []discover.Device
for _, dn := range d.deviceNodePaths {
deviceNode := discover.Device{
HostPath: filepath.Join(d.root, dn),
Path: dn,
}
deviceNodes = append(deviceNodes, deviceNode)
}
return deviceNodes, nil
}
// Hooks returns no hooks for a device discoverer
func (d *deviceDiscoverer) Hooks() ([]discover.Hook, error) {
return nil, nil
}
// Mounts returns no mounts for a device discoverer
func (d *deviceDiscoverer) Mounts() ([]discover.Mount, error) {
return nil, nil
}