mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-22 16:29:18 +00:00
83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
/*
|
|
# Copyright (c) 2021, 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 "fmt"
|
|
|
|
// list is a discoverer that contains a list of Discoverers. The output of the
|
|
// Mounts functions is the concatenation of the output for each of the
|
|
// elements in the list.
|
|
type list struct {
|
|
discoverers []Discover
|
|
}
|
|
|
|
var _ Discover = (*list)(nil)
|
|
|
|
// Merge creates a discoverer that is the composite of a list of discoverers.
|
|
func Merge(d ...Discover) Discover {
|
|
l := list{
|
|
discoverers: d,
|
|
}
|
|
|
|
return &l
|
|
}
|
|
|
|
// Devices returns all devices from the included discoverers
|
|
func (d list) Devices() ([]Device, error) {
|
|
var allDevices []Device
|
|
|
|
for i, di := range d.discoverers {
|
|
devices, err := di.Devices()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error discovering devices for discoverer %v: %v", i, err)
|
|
}
|
|
allDevices = append(allDevices, devices...)
|
|
}
|
|
|
|
return allDevices, nil
|
|
}
|
|
|
|
// Mounts returns all mounts from the included discoverers
|
|
func (d list) Mounts() ([]Mount, error) {
|
|
var allMounts []Mount
|
|
|
|
for i, di := range d.discoverers {
|
|
mounts, err := di.Mounts()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error discovering mounts for discoverer %v: %v", i, err)
|
|
}
|
|
allMounts = append(allMounts, mounts...)
|
|
}
|
|
|
|
return allMounts, nil
|
|
}
|
|
|
|
// Hooks returns all Hooks from the included discoverers
|
|
func (d list) Hooks() ([]Hook, error) {
|
|
var allHooks []Hook
|
|
|
|
for i, di := range d.discoverers {
|
|
hooks, err := di.Hooks()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error discovering hooks for discoverer %v: %v", i, err)
|
|
}
|
|
allHooks = append(allHooks, hooks...)
|
|
}
|
|
|
|
return allHooks, nil
|
|
}
|