mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-25 13:35:00 +00:00
102 lines
2.4 KiB
Go
102 lines
2.4 KiB
Go
/**
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# Copyright (c) NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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**/
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package createdevicenodes
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import (
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"fmt"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/ldcache"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/logger"
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"github.com/urfave/cli/v2"
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)
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type command struct {
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logger logger.Interface
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}
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type options struct {
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driverRoot string
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}
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// NewCommand constructs a command sub-command with the specified logger
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func NewCommand(logger logger.Interface) *cli.Command {
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c := command{
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logger: logger,
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}
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return c.build()
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}
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// build
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func (m command) build() *cli.Command {
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opts := options{}
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c := cli.Command{
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Name: "print-ldcache",
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Usage: "A utility to print the contents of the ldcache",
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Before: func(c *cli.Context) error {
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return m.validateFlags(c, &opts)
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},
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Action: func(c *cli.Context) error {
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return m.run(c, &opts)
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},
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}
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c.Flags = []cli.Flag{
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&cli.StringFlag{
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Name: "driver-root",
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Usage: "the path to the driver root. Device nodes will be created at `DRIVER_ROOT`/dev",
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Value: "/",
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Destination: &opts.driverRoot,
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EnvVars: []string{"DRIVER_ROOT"},
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},
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}
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return &c
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}
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func (m command) validateFlags(r *cli.Context, opts *options) error {
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return nil
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}
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func (m command) run(c *cli.Context, opts *options) error {
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cache, err := ldcache.New(m.logger, opts.driverRoot)
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if err != nil {
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return fmt.Errorf("failed to create ldcache: %v", err)
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}
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lib32, lib64 := cache.List()
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if len(lib32) == 0 {
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m.logger.Info("No 32-bit libraries found")
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} else {
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m.logger.Infof("%d 32-bit libraries found", len(lib32))
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for _, lib := range lib32 {
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m.logger.Infof("%v", lib)
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}
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}
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if len(lib64) == 0 {
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m.logger.Info("No 64-bit libraries found")
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} else {
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m.logger.Infof("%d 64-bit libraries found", len(lib64))
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for _, lib := range lib64 {
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m.logger.Infof("%v", lib)
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}
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}
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return nil
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}
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