nvidia-container-toolkit/internal/info/tegra.go
Evan Lezar 3a1404f2f4 Move isTegraSystem to internal info package
Signed-off-by: Evan Lezar <elezar@nvidia.com>
2022-05-12 10:28:56 +02:00

49 lines
1.5 KiB
Go

/**
# Copyright (c) 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 info
import (
"fmt"
"os"
"strings"
)
// IsTegraSystem returns true if the system is detected as a Tegra-based system
func IsTegraSystem() (bool, string) {
const tegraReleaseFile = "/etc/nv_tegra_release"
const tegraFamilyFile = "/sys/devices/soc0/family"
if info, err := os.Stat(tegraReleaseFile); err == nil && !info.IsDir() {
return true, fmt.Sprintf("%v found", tegraReleaseFile)
}
if info, err := os.Stat(tegraFamilyFile); err != nil || !info.IsDir() {
return false, fmt.Sprintf("%v not found", tegraFamilyFile)
}
contents, err := os.ReadFile(tegraFamilyFile)
if err != nil {
return false, fmt.Sprintf("could not read %v", tegraFamilyFile)
}
if strings.HasPrefix(strings.ToLower(string(contents)), "tegra") {
return true, fmt.Sprintf("%v has 'tegra' prefix", tegraFamilyFile)
}
return false, fmt.Sprintf("%v has no 'tegra' prefix", tegraFamilyFile)
}