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Move isTegraSystem to internal info package

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Signed-off-by: Evan Lezar <elezar@nvidia.com>
This commit is contained in:
Evan Lezar 2022-05-09 14:20:15 +02:00
parent cf7bb91481
commit 3a1404f2f4
2 changed files with 50 additions and 28 deletions
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30
cmd/nvidia-container-runtime/modifier/experimental.go
View File

@ -18,8 +18,6 @@ package modifier
import (
"fmt"
"os"
"strings"
"github.com/NVIDIA/nvidia-container-toolkit/internal/config"
"github.com/NVIDIA/nvidia-container-toolkit/internal/config/image"
@ -27,6 +25,7 @@ import (
"github.com/NVIDIA/nvidia-container-toolkit/internal/discover"
"github.com/NVIDIA/nvidia-container-toolkit/internal/discover/csv"
"github.com/NVIDIA/nvidia-container-toolkit/internal/edits"
"github.com/NVIDIA/nvidia-container-toolkit/internal/info"
"github.com/NVIDIA/nvidia-container-toolkit/internal/oci"
"github.com/NVIDIA/nvidia-container-toolkit/internal/requirements"
"github.com/opencontainers/runtime-spec/specs-go"
@ -189,7 +188,7 @@ func resolveAutoDiscoverMode(logger *logrus.Logger, mode string) (rmode string)
logger.Infof("Auto-detected discover mode as '%v'", rmode)
}()
isTegra, reason := isTegraSystem()
isTegra, reason := info.IsTegraSystem()
logger.Debugf("Is Tegra-based system? %v: %v", isTegra, reason)
if isTegra {
@ -198,28 +197,3 @@ func resolveAutoDiscoverMode(logger *logrus.Logger, mode string) (rmode string)
return "legacy"
}
// 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)
}

48
internal/info/tegra.go Normal file
View File

@ -0,0 +1,48 @@
/**
# 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)
}