mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-30 00:11:59 +00:00
63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
/**
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# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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**/
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package discover
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import "github.com/NVIDIA/nvidia-container-toolkit/internal/logger"
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// Filter defines an interface for filtering discovered entities
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type Filter interface {
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DeviceIsSelected(device Device) bool
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}
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// filtered represents a filtered discoverer
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type filtered struct {
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Discover
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logger logger.Interface
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filter Filter
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}
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// newFilteredDiscoverer creates a discoverer that applies the specified filter to the returned entities of the discoverer
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func newFilteredDiscoverer(logger logger.Interface, applyTo Discover, filter Filter) Discover {
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return filtered{
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Discover: applyTo,
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logger: logger,
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filter: filter,
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}
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}
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// Devices returns a filtered list of devices based on the specified filter.
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func (d filtered) Devices() ([]Device, error) {
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devices, err := d.Discover.Devices()
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if err != nil {
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return nil, err
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}
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if d.filter == nil {
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return devices, nil
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}
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var selected []Device
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for _, device := range devices {
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if d.filter.DeviceIsSelected(device) {
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selected = append(selected, device)
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}
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d.logger.Debugf("skipping device %v", device)
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}
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return selected, nil
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}
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