mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-26 05:49:58 +00:00
68 lines
2.0 KiB
Go
68 lines
2.0 KiB
Go
/**
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# Copyright 2023 NVIDIA CORPORATION
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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 root
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import (
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"path/filepath"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/logger"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/lookup"
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)
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// Driver represents a filesystem in which a set of drivers or devices is defined.
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type Driver struct {
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logger logger.Interface
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// Root represents the root from the perspective of the driver libraries and binaries.
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Root string
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// librarySearchPaths specifies explicit search paths for discovering libraries.
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librarySearchPaths []string
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}
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// New creates a new Driver root using the specified options.
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func New(opts ...Option) *Driver {
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d := &Driver{}
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for _, opt := range opts {
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opt(d)
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}
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if d.logger == nil {
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d.logger = logger.New()
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}
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return d
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}
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// Libraries returns a Locator for driver libraries.
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func (r *Driver) Libraries() lookup.Locator {
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return lookup.NewLibraryLocator(
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lookup.WithLogger(r.logger),
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lookup.WithRoot(r.Root),
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lookup.WithSearchPaths(normalizeSearchPaths(r.librarySearchPaths...)...),
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)
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}
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// normalizeSearchPaths takes a list of paths and normalized these.
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// Each of the elements in the list is expanded if it is a path list and the
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// resultant list is returned.
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// This allows, for example, for the contents of `PATH` or `LD_LIBRARY_PATH` to
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// be passed as a search path directly.
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func normalizeSearchPaths(paths ...string) []string {
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var normalized []string
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for _, path := range paths {
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normalized = append(normalized, filepath.SplitList(path)...)
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}
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return normalized
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}
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