mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
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879cc99aac
This change renames the root transformer to indicate that it operates on host paths and adds a container root transformer for explicitly transforming container roots. The transform.NewRootTransformer constructor still exists, but has been marked as deprecated. Signed-off-by: Evan Lezar <elezar@nvidia.com>
48 lines
1.2 KiB
Go
48 lines
1.2 KiB
Go
/**
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# Copyright 2023 NVIDIA CORPORATION
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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 root
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import (
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"path/filepath"
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"strings"
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"github.com/NVIDIA/nvidia-container-toolkit/pkg/nvcdi/transform"
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)
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// transformer transforms roots of paths.
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type transformer struct {
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root string
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targetRoot string
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}
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// New creates a root transformer using the specified options.
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func New(opts ...Option) transform.Transformer {
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b := &builder{}
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for _, opt := range opts {
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opt(b)
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}
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return b.build()
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}
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func (t transformer) transformPath(path string) string {
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if !strings.HasPrefix(path, t.root) {
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return path
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}
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return filepath.Join(t.targetRoot, strings.TrimPrefix(path, t.root))
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}
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