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[no-relnote] Add E2E for libnvidia-container
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Signed-off-by: Carlos Eduardo Arango Gutierrez <eduardoa@nvidia.com>
This commit is contained in:
Carlos Eduardo Arango Gutierrez 2025-05-29 20:47:49 +02:00
parent 890db82b46
commit 8c42c1455e
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4 changed files with 1106 additions and 5 deletions
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]

8
tests/e2e/Makefile
View File

@ -20,8 +20,14 @@ LOG_ARTIFACTS_DIR ?= $(CURDIR)/e2e_logs
GINKGO_BIN := $(CURDIR)/bin/ginkgo
# If GINKGO_FOCUS is not set, run all tests
# current available tests:
# - nvidia-container-cli
# - docker
GINKGO_FOCUS ?=
test: $(GINKGO_BIN)
$(GINKGO_BIN) $(GINKGO_ARGS) -v --json-report ginkgo.json ./tests/e2e/...
$(GINKGO_BIN) $(GINKGO_ARGS) -v --json-report ginkgo.json --focus="$(GINKGO_FOCUS)" ./tests/e2e/...
$(GINKGO_BIN):
mkdir -p $(CURDIR)/bin

17
tests/e2e/installer.go
View File

@ -28,11 +28,20 @@ var dockerInstallTemplate = `
#! /usr/bin/env bash
set -xe
: ${IMAGE:={{.Image}}}
# if the TEMP_DIR is already set, use it
if [ -f /tmp/ctk_e2e_temp_dir.txt ]; then
TEMP_DIR=$(cat /tmp/ctk_e2e_temp_dir.txt)
else
TEMP_DIR="/tmp/ctk_e2e.$(date +%s)_$RANDOM"
echo "$TEMP_DIR" > /tmp/ctk_e2e_temp_dir.txt
fi
# Create a temporary directory
TEMP_DIR="/tmp/ctk_e2e.$(date +%s)_$RANDOM"
mkdir -p "$TEMP_DIR"
# if TEMP_DIR does not exist, create it
if [ ! -d "$TEMP_DIR" ]; then
mkdir -p "$TEMP_DIR"
fi
: ${IMAGE:={{.Image}}}
# Given that docker has an init function that checks for the existence of the
# nvidia-container-toolkit, we need to create a symlink to the nvidia-container-runtime-hook

275
tests/e2e/nvidia-container-cli_test.go Normal file
View File

@ -0,0 +1,275 @@
/*
* Copyright (c) 2025, 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 e2e
import (
"context"
"fmt"
"strings"
"text/template"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
const (
libnvidiaContainerCliDockerRunTemplate = `
docker run -d --name test-nvidia-container-cli \
--privileged \
--runtime=nvidia \
-e NVIDIA_VISIBLE_DEVICES=all \
-e NVIDIA_DRIVER_CAPABILITIES=all \
-v $HOME/libnvidia-container-cli.sh:/usr/local/bin/libnvidia-container-cli.sh \
-v {{.NvidiaContainerCliSrc}}:/usr/bin/nvidia-container-cli \
-v {{.NvidiaContainerCliRealSrc}}:{{.NvidiaContainerCliRealTarget}} \
-v {{.NvidiaCtkSrc}}:/usr/bin/nvidia-ctk \
-v {{.NvidiaCtkRealSrc}}:{{.NvidiaCtkRealTarget}} \
-v {{.NvidiaContainerRuntimeSrc}}:/usr/bin/nvidia-container-runtime \
-v {{.NvidiaContainerRuntimeRealSrc}}:{{.NvidiaContainerRuntimeRealTarget}} \
-v {{.NvidiaContainerRuntimeHookSrc}}:/usr/bin/nvidia-container-runtime-hook \
-v {{.NvidiaContainerRuntimeHookRealSrc}}:{{.NvidiaContainerRuntimeHookRealTarget}} \
-v {{.NvidiaContainerToolkitSrc}}:/usr/bin/nvidia-container-toolkit \
-v {{.NvidiaCdiHookSrc}}:/usr/bin/nvidia-cdi-hook \
-v {{.NvidiaCdiHookRealSrc}}:{{.NvidiaCdiHookRealTarget}} \
-v {{.NvidiaContainerRuntimeCdiSrc}}:/usr/bin/nvidia-container-runtime.cdi \
-v {{.NvidiaContainerRuntimeCdiRealSrc}}:{{.NvidiaContainerRuntimeCdiRealTarget}} \
-v {{.NvidiaContainerRuntimeLegacySrc}}:/usr/bin/nvidia-container-runtime.legacy \
-v {{.NvidiaContainerRuntimeLegacyRealSrc}}:{{.NvidiaContainerRuntimeLegacyRealTarget}} \
-v {{.ToolkitDir}}/toolkit:/usr/local/nvidia/toolkit \
-v /etc/nvidia-container-runtime:/etc/nvidia-container-runtime \
-v {{.LibNvidiaContainerSo1Src}}:/usr/lib/x86_64-linux-gnu/libnvidia-container.so.1 \
-v {{.LibNvidiaContainerTargetSrc}}:/usr/lib/x86_64-linux-gnu/{{.LibNvidiaContainerTarget}} \
-v {{.LibNvidiaContainerGoSo1Src}}:/usr/lib/x86_64-linux-gnu/libnvidia-container-go.so.1 \
-v {{.LibNvidiaContainerGoTargetSrc}}:/usr/lib/x86_64-linux-gnu/{{.LibNvidiaContainerGoTarget}} \
-e LD_LIBRARY_PATH=/usr/lib64:/usr/lib/x86_64-linux-gnu:/usr/lib/aarch64-linux-gnu:/lib64:/lib/x86_64-linux-gnu:/lib/aarch64-linux-gnu \
--entrypoint /usr/local/bin/libnvidia-container-cli.sh \
ubuntu
`
libnvidiaContainerCliTestTemplate = `#!/usr/bin/env bash
set -euo pipefail
apt-get update -y && apt-get install -y curl gnupg2
WORKDIR="$(mktemp -d)"
ROOTFS="${WORKDIR}/rootfs"
mkdir -p "${ROOTFS}"
export WORKDIR ROOTFS # make them visible in the child shell
unshare --mount --pid --fork --propagation private -- bash -eux <<'IN_NS'
: "${ROOTFS:?}" "${WORKDIR:?}" # abort if either is empty
# 1 Populate minimal Ubuntu base
curl -L http://cdimage.ubuntu.com/ubuntu-base/releases/22.04/release/ubuntu-base-22.04-base-amd64.tar.gz \
| tar -C "$ROOTFS" -xz
# 2 Add non-root user
useradd -R "$ROOTFS" -U -u 1000 -s /bin/bash nvidia
# 3 Bind-mount new root and unshare mounts
mount --bind "$ROOTFS" "$ROOTFS"
mount --make-private "$ROOTFS"
cd "$ROOTFS"
# 4 Minimal virtual filesystems
mount -t proc proc proc
mount -t sysfs sys sys
mount -t tmpfs tmp tmp
mount -t tmpfs run run
# 5 GPU setup
nvidia-container-cli --load-kmods --debug=container-cli.log \
configure --ldconfig=@/sbin/ldconfig.real \
--no-cgroups --utility --device=0 "$(pwd)"
# 6 Switch root
mkdir -p mnt
pivot_root . mnt
umount -l /mnt
exec nvidia-smi -L
IN_NS
`
)
// getToolkitDir tries to read the toolkit dir from /tmp/ctk_e2e_temp_dir.txt using the runner. Returns empty string if not found.
func getToolkitDir(runner Runner) string {
out, _, err := runner.Run("cat /tmp/ctk_e2e_temp_dir.txt")
if err == nil {
dir := strings.TrimSpace(out)
if dir != "" {
return dir
}
}
return ""
}
// getToolkitLayout returns the toolkit dir, a flag for flat layout, and a function to get the source path for a given filename.
func getToolkitLayout(runner Runner) (toolkitDir string, useFlatLayout bool, srcPath func(string) string) {
tempDir := getToolkitDir(runner)
if tempDir == "" {
return "", false, func(filename string) string {
if strings.HasPrefix(filename, "lib") {
return "/usr/lib/x86_64-linux-gnu/" + filename
}
return "/usr/bin/" + filename
}
}
return tempDir, true, func(filename string) string {
return tempDir + "/toolkit/" + filename
}
}
// getRealTargetPath returns the correct target path for a .real binary depending on the install type.
func getRealTargetPath(filename, toolkitDir string) string {
if toolkitDir == "" {
return "/usr/bin/" + filename
}
return toolkitDir + "/toolkit/" + filename
}
// Integration tests for Docker runtime
var _ = Describe("nvidia-container-cli", Ordered, ContinueOnFailure, func() {
var runner Runner
// Install the NVIDIA Container Toolkit
BeforeAll(func(ctx context.Context) {
runner = NewRunner(
WithHost(sshHost),
WithPort(sshPort),
WithSshKey(sshKey),
WithSshUser(sshUser),
)
if installCTK {
installer, err := NewToolkitInstaller(
WithRunner(runner),
WithImage(imageName+":"+imageTag),
WithTemplate(dockerInstallTemplate),
)
Expect(err).ToNot(HaveOccurred())
err = installer.Install()
Expect(err).ToNot(HaveOccurred())
}
})
When("running nvidia-smi -L", Ordered, func() {
var hostOutput string
var err error
BeforeAll(func(ctx context.Context) {
hostOutput, _, err = runner.Run("nvidia-smi -L")
Expect(err).ToNot(HaveOccurred())
_, _, err := runner.Run("docker pull ubuntu")
Expect(err).ToNot(HaveOccurred())
})
AfterAll(func(ctx context.Context) {
_, _, err := runner.Run("docker rm -f test-nvidia-container-cli")
Expect(err).ToNot(HaveOccurred())
})
It("should support NVIDIA_VISIBLE_DEVICES and NVIDIA_DRIVER_CAPABILITIES", func(ctx context.Context) {
// 1. Create the test script on the remote host at $HOME/test.sh using a here-document
testScriptPath := "$HOME/libnvidia-container-cli.sh"
testScript := libnvidiaContainerCliTestTemplate
createScriptCmd := fmt.Sprintf("cat > %s <<'EOF'\n%s\nEOF\nchmod +x %s", testScriptPath, testScript, testScriptPath)
_, _, err := runner.Run(createScriptCmd)
Expect(err).ToNot(HaveOccurred())
// 2. Discover the symlink targets for the libraries on the remote host
getTargetCmd := func(lib string) string {
return fmt.Sprintf("readlink -f /usr/lib/x86_64-linux-gnu/%s.1", lib)
}
libNvidiaContainerTarget, _, err := runner.Run(getTargetCmd("libnvidia-container.so"))
Expect(err).ToNot(HaveOccurred())
libNvidiaContainerTarget = strings.TrimSpace(libNvidiaContainerTarget)
libNvidiaContainerTarget = strings.TrimPrefix(libNvidiaContainerTarget, "/usr/lib/x86_64-linux-gnu/")
libNvidiaContainerGoTarget, _, err := runner.Run(getTargetCmd("libnvidia-container-go.so"))
Expect(err).ToNot(HaveOccurred())
libNvidiaContainerGoTarget = strings.TrimSpace(libNvidiaContainerGoTarget)
libNvidiaContainerGoTarget = strings.TrimPrefix(libNvidiaContainerGoTarget, "/usr/lib/x86_64-linux-gnu/")
// 3. Get toolkit layout info and source path helper
toolkitDir, _, srcPath := getToolkitLayout(runner)
// 4. Render the docker run template with the discovered targets and computed source paths
tmpl, err := template.New("dockerRun").Parse(libnvidiaContainerCliDockerRunTemplate)
Expect(err).ToNot(HaveOccurred())
var dockerRunCmdBuilder strings.Builder
err = tmpl.Execute(&dockerRunCmdBuilder, map[string]string{
"ToolkitDir": toolkitDir,
"NvidiaContainerCliSrc": srcPath("nvidia-container-cli"),
"NvidiaContainerCliRealSrc": srcPath("nvidia-container-cli.real"),
"NvidiaContainerCliRealTarget": getRealTargetPath("nvidia-container-cli.real", toolkitDir),
"NvidiaCtkSrc": srcPath("nvidia-ctk"),
"NvidiaCtkRealSrc": srcPath("nvidia-ctk.real"),
"NvidiaCtkRealTarget": getRealTargetPath("nvidia-ctk.real", toolkitDir),
"NvidiaContainerRuntimeSrc": srcPath("nvidia-container-runtime"),
"NvidiaContainerRuntimeRealSrc": srcPath("nvidia-container-runtime.real"),
"NvidiaContainerRuntimeRealTarget": getRealTargetPath("nvidia-container-runtime.real", toolkitDir),
"NvidiaContainerRuntimeHookSrc": srcPath("nvidia-container-runtime-hook"),
"NvidiaContainerRuntimeHookRealSrc": srcPath("nvidia-container-runtime-hook.real"),
"NvidiaContainerRuntimeHookRealTarget": getRealTargetPath("nvidia-container-runtime-hook.real", toolkitDir),
"NvidiaContainerToolkitSrc": srcPath("nvidia-container-toolkit"),
"NvidiaCdiHookSrc": srcPath("nvidia-cdi-hook"),
"NvidiaCdiHookRealSrc": srcPath("nvidia-cdi-hook.real"),
"NvidiaCdiHookRealTarget": getRealTargetPath("nvidia-cdi-hook.real", toolkitDir),
"NvidiaContainerRuntimeCdiSrc": srcPath("nvidia-container-runtime.cdi"),
"NvidiaContainerRuntimeCdiRealSrc": srcPath("nvidia-container-runtime.cdi.real"),
"NvidiaContainerRuntimeCdiRealTarget": getRealTargetPath("nvidia-container-runtime.cdi.real", toolkitDir),
"NvidiaContainerRuntimeLegacySrc": srcPath("nvidia-container-runtime.legacy"),
"NvidiaContainerRuntimeLegacyRealSrc": srcPath("nvidia-container-runtime.legacy.real"),
"NvidiaContainerRuntimeLegacyRealTarget": getRealTargetPath("nvidia-container-runtime.legacy.real", toolkitDir),
"LibNvidiaContainerSo1Src": srcPath("libnvidia-container.so.1"),
"LibNvidiaContainerTargetSrc": srcPath(libNvidiaContainerTarget),
"LibNvidiaContainerGoSo1Src": srcPath("libnvidia-container-go.so.1"),
"LibNvidiaContainerGoTargetSrc": srcPath(libNvidiaContainerGoTarget),
"LibNvidiaContainerTarget": libNvidiaContainerTarget,
"LibNvidiaContainerGoTarget": libNvidiaContainerGoTarget,
})
Expect(err).ToNot(HaveOccurred())
dockerRunCmd := dockerRunCmdBuilder.String()
// 5. Start the container using the rendered docker run command
_, _, err = runner.Run(dockerRunCmd)
Expect(err).ToNot(HaveOccurred())
// 6. Use Eventually to check the container logs contain hostOutput
expected := strings.TrimSpace(strings.ReplaceAll(hostOutput, "\r", ""))
Eventually(func() string {
logs, _, err := runner.Run("docker logs test-nvidia-container-cli | tail -n 20")
if err != nil {
return ""
}
logLines := strings.Split(strings.TrimSpace(logs), "\n")
if len(logLines) == 0 {
return ""
}
lastLine := strings.TrimSpace(strings.ReplaceAll(logLines[len(logLines)-1], "\r", ""))
return lastLine
}, "5m", "5s").Should(Equal(expected))
})
})
})