mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-30 00:11:59 +00:00
75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
/*
|
|
# Copyright (c) 2021, NVIDIA CORPORATION. All rights reserved.
|
|
#
|
|
# 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 main
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/NVIDIA/nvidia-container-toolkit/internal/oci"
|
|
)
|
|
|
|
const (
|
|
ociSpecFileName = "config.json"
|
|
dockerRuncExecutableName = "docker-runc"
|
|
runcExecutableName = "runc"
|
|
)
|
|
|
|
// newRuntime is a factory method that constructs a runtime based on the selected configuration.
|
|
func newRuntime(argv []string) (oci.Runtime, error) {
|
|
ociSpec, err := newOCISpec(argv)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error constructing OCI specification: %v", err)
|
|
}
|
|
|
|
runc, err := newRuncRuntime()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error constructing runc runtime: %v", err)
|
|
}
|
|
|
|
r, err := newNvidiaContainerRuntimeWithLogger(logger.Logger, runc, ociSpec)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error constructing NVIDIA Container Runtime: %v", err)
|
|
}
|
|
|
|
return r, nil
|
|
}
|
|
|
|
// newOCISpec constructs an OCI spec for the provided arguments
|
|
func newOCISpec(argv []string) (oci.Spec, error) {
|
|
bundleDir, err := oci.GetBundleDir(argv)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("error parsing command line arguments: %v", err)
|
|
}
|
|
logger.Infof("Using bundle directory: %v", bundleDir)
|
|
|
|
ociSpecPath := oci.GetSpecFilePath(bundleDir)
|
|
logger.Infof("Using OCI specification file path: %v", ociSpecPath)
|
|
|
|
ociSpec := oci.NewSpecFromFile(ociSpecPath)
|
|
|
|
return ociSpec, nil
|
|
}
|
|
|
|
// newRuncRuntime locates the runc binary and wraps it in a SyscallExecRuntime
|
|
func newRuncRuntime() (oci.Runtime, error) {
|
|
return oci.NewLowLevelRuntimeWithLogger(
|
|
logger.Logger,
|
|
dockerRuncExecutableName,
|
|
runcExecutableName,
|
|
)
|
|
}
|