mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
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75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
/**
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# Copyright (c) 2021-2022, 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 csv
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import (
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"fmt"
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"strings"
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)
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// MountSpecType defines the mount types allowed in a CSV file
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type MountSpecType string
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const (
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// MountSpecDev is used for character devices
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MountSpecDev = MountSpecType("dev")
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// MountSpecDir is used for directories
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MountSpecDir = MountSpecType("dir")
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// MountSpecLib is used for libraries or regular files
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MountSpecLib = MountSpecType("lib")
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// MountSpecSym is used for symlinks.
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MountSpecSym = MountSpecType("sym")
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)
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// MountSpec represents a Jetson mount consisting of a type and a path.
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type MountSpec struct {
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Type MountSpecType
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Path string
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}
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// NewMountSpecFromLine parses the specified line and returns the MountSpec or an error if the line is malformed
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func NewMountSpecFromLine(line string) (*MountSpec, error) {
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parts := strings.SplitN(strings.TrimSpace(line), ",", 2)
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if len(parts) < 2 {
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return nil, fmt.Errorf("failed to parse line: %v", line)
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}
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mountType := strings.TrimSpace(parts[0])
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path := strings.TrimSpace(parts[1])
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return NewMountSpec(mountType, path)
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}
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// NewMountSpec creates a MountSpec with the specified type and path. An error is returned if the type is invalid.
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func NewMountSpec(mountType string, path string) (*MountSpec, error) {
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mt := MountSpecType(mountType)
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switch mt {
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case MountSpecDev, MountSpecLib, MountSpecSym, MountSpecDir:
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default:
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return nil, fmt.Errorf("unexpected mount type: %v", mt)
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}
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if path == "" {
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return nil, fmt.Errorf("invalid path: %v", path)
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}
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mount := MountSpec{
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Type: mt,
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Path: path,
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}
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return &mount, nil
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}
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