mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-22 16:29:18 +00:00
66 lines
2.1 KiB
Go
66 lines
2.1 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 discover
|
|
|
|
import (
|
|
"github.com/NVIDIA/nvidia-container-toolkit/internal/lookup"
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
// charDevices is a discover for a list of character devices
|
|
type charDevices mounts
|
|
|
|
var _ Discover = (*charDevices)(nil)
|
|
|
|
// NewCharDeviceDiscoverer creates a discoverer which locates the specified set of device nodes.
|
|
func NewCharDeviceDiscoverer(logger *logrus.Logger, devices []string, root string) Discover {
|
|
locator := lookup.NewCharDeviceLocator(
|
|
lookup.WithLogger(logger),
|
|
lookup.WithRoot(root),
|
|
)
|
|
|
|
return NewDeviceDiscoverer(logger, locator, root, devices)
|
|
}
|
|
|
|
// NewDeviceDiscoverer creates a discoverer which locates the specified set of device nodes using the specified locator.
|
|
func NewDeviceDiscoverer(logger *logrus.Logger, locator lookup.Locator, root string, devices []string) Discover {
|
|
m := NewMounts(logger, locator, root, devices).(*mounts)
|
|
|
|
return (*charDevices)(m)
|
|
}
|
|
|
|
// Mounts returns the discovered mounts for the charDevices.
|
|
// Since this explicitly specifies a device list, the mounts are nil.
|
|
func (d *charDevices) Mounts() ([]Mount, error) {
|
|
return nil, nil
|
|
}
|
|
|
|
// Devices returns the discovered devices for the charDevices.
|
|
// Here the device nodes are first discovered as mounts and these are converted to devices.
|
|
func (d *charDevices) Devices() ([]Device, error) {
|
|
devicesAsMounts, err := (*mounts)(d).Mounts()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
var devices []Device
|
|
for _, mount := range devicesAsMounts {
|
|
devices = append(devices, Device(mount))
|
|
}
|
|
|
|
return devices, nil
|
|
}
|