nvidia-container-toolkit/cmd/nvidia-container-runtime/runtime_factory.go
Evan Lezar 7137f4b05b Move runtime config to internal package
Signed-off-by: Evan Lezar <elezar@nvidia.com>
2022-04-04 14:16:24 +02:00

63 lines
2.0 KiB
Go

/*
# Copyright (c) 2021-2022, 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/cmd/nvidia-container-runtime/modifier"
"github.com/NVIDIA/nvidia-container-toolkit/internal/config"
"github.com/NVIDIA/nvidia-container-toolkit/internal/oci"
"github.com/NVIDIA/nvidia-container-toolkit/internal/runtime"
"github.com/sirupsen/logrus"
)
const (
dockerRuncExecutableName = "docker-runc"
runcExecutableName = "runc"
)
// newNVIDIAContainerRuntime is a factory method that constructs a runtime based on the selected configuration and specified logger
func newNVIDIAContainerRuntime(logger *logrus.Logger, cfg *config.RuntimeConfig, argv []string) (oci.Runtime, error) {
ociSpec, err := oci.NewSpec(logger, argv)
if err != nil {
return nil, fmt.Errorf("error constructing OCI specification: %v", err)
}
lowLevelRuntimeCandidates := []string{dockerRuncExecutableName, runcExecutableName}
lowLevelRuntime, err := oci.NewLowLevelRuntime(logger, lowLevelRuntimeCandidates)
if err != nil {
return nil, fmt.Errorf("error constructing low-level runtime: %v", err)
}
var specModifier oci.SpecModifier
if cfg.Experimental {
return nil, fmt.Errorf("experimental mode is not supported")
}
specModifier = modifier.NewStableRuntimeModifier(logger)
// Create the wrapping runtime with the specified modifier
r := runtime.NewModifyingRuntimeWrapper(
logger,
lowLevelRuntime,
ociSpec,
specModifier,
)
return r, nil
}