mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-25 21:39:10 +00:00
8bb0235c92
These changes remove the use of discover.Config which was used to pass the driver root and the nvidiaCTK path in some cases. Instead, the nvidiaCTKPath is resolved at the begining of runtime invocation to ensure that this is valid at all points where it is used. Signed-off-by: Evan Lezar <elezar@nvidia.com>
110 lines
2.9 KiB
Go
110 lines
2.9 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 (
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"fmt"
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"path/filepath"
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"strings"
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"github.com/sirupsen/logrus"
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)
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type symlinks struct {
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None
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logger *logrus.Logger
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nvidiaCTKPath string
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csvFiles []string
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mountsFrom Discover
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}
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// NewCreateSymlinksHook creates a discoverer for a hook that creates required symlinks in the container
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func NewCreateSymlinksHook(logger *logrus.Logger, csvFiles []string, mounts Discover, nvidiaCTKPath string) (Discover, error) {
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d := symlinks{
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logger: logger,
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nvidiaCTKPath: nvidiaCTKPath,
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csvFiles: csvFiles,
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mountsFrom: mounts,
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}
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return &d, nil
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}
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// Hooks returns a hook to create the symlinks from the required CSV files
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func (d symlinks) Hooks() ([]Hook, error) {
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var args []string
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for _, f := range d.csvFiles {
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args = append(args, "--csv-filename", f)
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}
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links, err := d.getSpecificLinkArgs()
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if err != nil {
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return nil, fmt.Errorf("failed to determine specific links: %v", err)
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}
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args = append(args, links...)
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hook := CreateNvidiaCTKHook(
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d.nvidiaCTKPath,
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"create-symlinks",
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args...,
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)
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return []Hook{hook}, nil
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}
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// getSpecificLinkArgs returns the required specic links that need to be created
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func (d symlinks) getSpecificLinkArgs() ([]string, error) {
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mounts, err := d.mountsFrom.Mounts()
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if err != nil {
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return nil, fmt.Errorf("failed to discover mounts for ldcache update: %v", err)
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}
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linkProcessed := make(map[string]bool)
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var links []string
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for _, m := range mounts {
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var target string
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var link string
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lib := filepath.Base(m.Path)
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if strings.HasPrefix(lib, "libcuda.so") {
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// XXX Many applications wrongly assume that libcuda.so exists (e.g. with dlopen).
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target = "libcuda.so.1"
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link = "libcuda.so"
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} else if strings.HasPrefix(lib, "libGLX_nvidia.so") {
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// XXX GLVND requires this symlink for indirect GLX support.
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target = lib
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link = "libGLX_indirect.so.0"
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} else if strings.HasPrefix(lib, "libnvidia-opticalflow.so") {
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// XXX Fix missing symlink for libnvidia-opticalflow.so.
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target = "libnvidia-opticalflow.so.1"
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link = "libnvidia-opticalflow.so"
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} else {
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continue
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}
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if linkProcessed[link] {
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continue
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}
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linkPath := filepath.Join(filepath.Dir(m.Path), link)
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links = append(links, "--link", fmt.Sprintf("%v::%v", target, linkPath))
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linkProcessed[link] = true
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}
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return links, nil
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}
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