mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2025-04-03 12:20:46 +00:00
86 lines
2.4 KiB
Go
86 lines
2.4 KiB
Go
/**
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# SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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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 installer
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import (
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"fmt"
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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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// An artifactRoot is used as a source for installed artifacts.
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// It is refined by a directory path, a library locator, and an executable locator.
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type artifactRoot struct {
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path string
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libraries lookup.Locator
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executables lookup.Locator
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}
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func newArtifactRoot(logger logger.Interface, rootDirectoryPath string) (*artifactRoot, error) {
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relativeLibrarySearchPaths := []string{
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"/usr/lib64",
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"/usr/lib/x86_64-linux-gnu",
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"/usr/lib/aarch64-linux-gnu",
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}
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var librarySearchPaths []string
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for _, l := range relativeLibrarySearchPaths {
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librarySearchPaths = append(librarySearchPaths, filepath.Join(rootDirectoryPath, l))
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}
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a := artifactRoot{
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path: rootDirectoryPath,
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libraries: lookup.NewLibraryLocator(
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lookup.WithLogger(logger),
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lookup.WithCount(1),
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lookup.WithSearchPaths(librarySearchPaths...),
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),
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executables: lookup.NewExecutableLocator(
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logger,
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rootDirectoryPath,
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),
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}
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return &a, nil
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}
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func (r *artifactRoot) findLibrary(name string) (string, error) {
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candidates, err := r.libraries.Locate(name)
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if err != nil {
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return "", fmt.Errorf("error locating library: %w", err)
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}
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if len(candidates) == 0 {
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return "", fmt.Errorf("library %v not found", name)
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}
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return candidates[0], nil
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}
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func (r *artifactRoot) findExecutable(name string) (string, error) {
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candidates, err := r.executables.Locate(name)
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if err != nil {
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return "", fmt.Errorf("error locating executable: %w", err)
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}
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if len(candidates) == 0 {
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return "", fmt.Errorf("executable %v not found", name)
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}
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return candidates[0], nil
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}
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