mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-23 00:38:26 +00:00
62 lines
1.4 KiB
Go
62 lines
1.4 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 engine
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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// Config represents a runtime config
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type Config string
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// Write writes the specified contents to a config file.
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func (c Config) Write(output []byte) (int, error) {
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path := string(c)
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if path == "" {
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n, err := os.Stdout.Write(output)
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if err == nil {
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os.Stdout.WriteString("\n")
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}
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return n, err
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}
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if len(output) == 0 {
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err := os.Remove(path)
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if err != nil {
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return 0, fmt.Errorf("unable to remove empty file: %v", err)
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}
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return 0, nil
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}
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if dir := filepath.Dir(path); dir != "" {
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err := os.MkdirAll(dir, 0755)
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if err != nil {
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return 0, fmt.Errorf("unable to create directory %v: %v", dir, err)
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}
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}
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f, err := os.Create(path)
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if err != nil {
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return 0, fmt.Errorf("unable to open %v for writing: %v", path, err)
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}
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defer f.Close()
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return f.Write(output)
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}
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