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https://github.com/NVIDIA/nvidia-container-toolkit
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2529aebd6c
This changes fixes the TestCreateControlDevices test on systems where device nodes exist. Signed-off-by: Evan Lezar <elezar@nvidia.com>
61 lines
1.6 KiB
Go
61 lines
1.6 KiB
Go
/**
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# Copyright (c) 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 nvdevices
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import (
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"fmt"
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"os"
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"golang.org/x/sys/unix"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/logger"
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)
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//go:generate moq -stub -out mknod_mock.go . mknoder
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type mknoder interface {
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Mknode(string, int, int) error
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}
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type mknodLogger struct {
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logger.Interface
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}
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func (m *mknodLogger) Mknode(path string, major, minor int) error {
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m.Infof("Running: mknod --mode=0666 %s c %d %d", path, major, minor)
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return nil
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}
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type mknodUnix struct {
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logger logger.Interface
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}
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func (m *mknodUnix) Mknode(path string, major, minor int) error {
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// TODO: Ensure that the existing device node has the correct properties.
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if _, err := os.Stat(path); err == nil {
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m.logger.Infof("Skipping: %s already exists", path)
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return nil
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} else if !os.IsNotExist(err) {
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return fmt.Errorf("failed to stat %s: %v", path, err)
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}
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err := unix.Mknod(path, unix.S_IFCHR, int(unix.Mkdev(uint32(major), uint32(minor))))
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if err != nil {
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return err
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}
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return unix.Chmod(path, 0666)
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}
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