mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-22 16:29:18 +00:00
bbd9222206
This change adds a driver root abstraction that defines how libraries are located relative to the root. This allows for this driver root to be constructed once and passed to discovery code. Signed-off-by: Evan Lezar <elezar@nvidia.com>
66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
/**
|
|
# Copyright 2023 NVIDIA CORPORATION
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
**/
|
|
|
|
package root
|
|
|
|
import (
|
|
"path/filepath"
|
|
|
|
"github.com/NVIDIA/nvidia-container-toolkit/internal/logger"
|
|
"github.com/NVIDIA/nvidia-container-toolkit/internal/lookup"
|
|
)
|
|
|
|
// Driver represents a filesystem in which a set of drivers or devices is defined.
|
|
type Driver struct {
|
|
logger logger.Interface
|
|
// Root represents the root from the perspective of the driver libraries and binaries.
|
|
Root string
|
|
// librarySearchPaths specifies explicit search paths for discovering libraries.
|
|
librarySearchPaths []string
|
|
}
|
|
|
|
// New creates a new Driver root at the specified path.
|
|
// TODO: Use functional options here.
|
|
func New(logger logger.Interface, path string, librarySearchPaths []string) *Driver {
|
|
return &Driver{
|
|
logger: logger,
|
|
Root: path,
|
|
librarySearchPaths: normalizeSearchPaths(librarySearchPaths...),
|
|
}
|
|
}
|
|
|
|
// Drivers returns a Locator for driver libraries.
|
|
func (r *Driver) Libraries() lookup.Locator {
|
|
return lookup.NewLibraryLocator(
|
|
lookup.WithLogger(r.logger),
|
|
lookup.WithRoot(r.Root),
|
|
lookup.WithSearchPaths(r.librarySearchPaths...),
|
|
)
|
|
}
|
|
|
|
// normalizeSearchPaths takes a list of paths and normalized these.
|
|
// Each of the elements in the list is expanded if it is a path list and the
|
|
// resultant list is returned.
|
|
// This allows, for example, for the contents of `PATH` or `LD_LIBRARY_PATH` to
|
|
// be passed as a search path directly.
|
|
func normalizeSearchPaths(paths ...string) []string {
|
|
var normalized []string
|
|
for _, path := range paths {
|
|
normalized = append(normalized, filepath.SplitList(path)...)
|
|
}
|
|
return normalized
|
|
}
|