mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2025-02-23 12:49:53 +00:00
119 lines
2.9 KiB
Go
119 lines
2.9 KiB
Go
/*
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* Copyright (c) 2025, 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 e2e
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import (
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"bytes"
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"fmt"
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"text/template"
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)
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// dockerInstallTemplate is a template for installing the NVIDIA Container Toolkit
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// on a host using Docker.
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var dockerInstallTemplate = `
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#! /usr/bin/env bash
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set -xe
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: ${IMAGE:={{.Image}}}
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# Create a temporary directory
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TEMP_DIR="/tmp/ctk_e2e.$(date +%s)_$RANDOM"
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mkdir -p "$TEMP_DIR"
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# Given that docker has an init function that checks for the existence of the
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# nvidia-container-toolkit, we need to create a symlink to the nvidia-container-runtime-hook
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# in the /usr/bin directory.
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# See https://github.com/moby/moby/blob/20a05dabf44934447d1a66cdd616cc803b81d4e2/daemon/nvidia_linux.go#L32-L46
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sudo rm -f /usr/bin/nvidia-container-runtime-hook
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sudo ln -s "$TEMP_DIR/toolkit/nvidia-container-runtime-hook" /usr/bin/nvidia-container-runtime-hook
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docker run --pid=host --rm -i --privileged \
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-v /:/host \
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-v /var/run/docker.sock:/var/run/docker.sock \
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-v "$TEMP_DIR:$TEMP_DIR" \
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-v /etc/docker:/config-root \
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${IMAGE} \
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--root "$TEMP_DIR" \
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--runtime=docker \
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--config=/config-root/daemon.json \
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--driver-root=/ \
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--no-daemon \
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--restart-mode=systemd
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`
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type ToolkitInstaller struct {
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runner Runner
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template string
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Image string
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}
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type installerOption func(*ToolkitInstaller)
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func WithRunner(r Runner) installerOption {
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return func(i *ToolkitInstaller) {
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i.runner = r
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}
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}
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func WithImage(image string) installerOption {
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return func(i *ToolkitInstaller) {
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i.Image = image
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}
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}
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func WithTemplate(template string) installerOption {
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return func(i *ToolkitInstaller) {
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i.template = template
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}
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}
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func NewToolkitInstaller(opts ...installerOption) (*ToolkitInstaller, error) {
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i := &ToolkitInstaller{
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runner: localRunner{},
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template: dockerInstallTemplate,
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}
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for _, opt := range opts {
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opt(i)
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}
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if i.Image == "" {
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return nil, fmt.Errorf("image is required")
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}
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return i, nil
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}
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func (i *ToolkitInstaller) Install() error {
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// Parse the combined template
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tmpl, err := template.New("installScript").Parse(i.template)
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if err != nil {
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return fmt.Errorf("error parsing template: %w", err)
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}
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// Execute the template
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var renderedScript bytes.Buffer
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err = tmpl.Execute(&renderedScript, i)
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if err != nil {
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return fmt.Errorf("error executing template: %w", err)
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}
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_, _, err = i.runner.Run(renderedScript.String())
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return err
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}
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