nvidia-container-toolkit/internal/discover/list.go
Evan Lezar 9191074666 Rename discover.NewList to discover.Merge
Signed-off-by: Evan Lezar <elezar@nvidia.com>
2022-07-05 10:28:40 +02:00

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 discoveres.
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
}