136 lines
3.7 KiB
Go
136 lines
3.7 KiB
Go
//go:build windows
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// +build windows
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/*
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Copyright The containerd Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 integration
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import (
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"bufio"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"testing"
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"time"
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"github.com/containerd/containerd/integration/images"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
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)
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func TestWindowsRootfsSize(t *testing.T) {
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testPodLogDir := t.TempDir()
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t.Log("Create a sandbox with log directory")
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sb, sbConfig := PodSandboxConfigWithCleanup(t, "sandbox", "windows-rootfs-size",
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WithPodLogDirectory(testPodLogDir),
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)
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var (
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testImage = images.Get(images.Pause)
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containerName = "test-container"
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)
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EnsureImageExists(t, testImage)
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t.Log("Create a container to run the rootfs size test")
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// Ask for 200GiB disk size
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rootfsSize := int64(200 * 1024 * 1024 * 1024)
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cnConfig := ContainerConfig(
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containerName,
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testImage,
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// Execute dir on the root of the image as it'll show the size available.
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// We're asking for ten times the default volume size so this should be
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// easy to verify.
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WithCommand("cmd", "/c", "dir", "/-C", "C:\\"),
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WithLogPath(containerName),
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WithWindowsResources(&runtime.WindowsContainerResources{RootfsSizeInBytes: rootfsSize}),
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)
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cn, err := runtimeService.CreateContainer(sb, cnConfig, sbConfig)
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require.NoError(t, err)
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t.Log("Start the container")
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require.NoError(t, runtimeService.StartContainer(cn))
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t.Log("Wait for container to finish running")
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require.NoError(t, Eventually(func() (bool, error) {
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s, err := runtimeService.ContainerStatus(cn)
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if err != nil {
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return false, err
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}
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if s.GetState() == runtime.ContainerState_CONTAINER_EXITED {
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return true, nil
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}
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return false, nil
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}, time.Second, 30*time.Second))
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t.Log("Check container log")
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content, err := os.ReadFile(filepath.Join(testPodLogDir, containerName))
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assert.NoError(t, err)
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// Format of output for dir /-C:
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//
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// Volume in drive C has no label.
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// Volume Serial Number is 5CA1-BDE0
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// Directory of C:\
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//
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// 05/05/2022 09:36 AM 5510 License.txt
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// 05/12/2022 08:34 PM <DIR> Users
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// 05/12/2022 08:34 PM <DIR> Windows
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// 1 File(s) 5510 bytes
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// 2 Dir(s) 214545743872 bytes free
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scanner := bufio.NewScanner(strings.NewReader(string(content)))
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found := false
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var (
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cols []string
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driveSize int64
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)
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for scanner.Scan() {
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outputLine := scanner.Text()
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cols = strings.Fields(outputLine)
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n := len(cols)
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if n >= 3 {
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if cols[n-2] == "bytes" && cols[n-1] == "free" {
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driveSize, err = strconv.ParseInt(cols[n-3], 10, 64)
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if err != nil {
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t.Fatal(err)
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}
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found = true
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break
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}
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}
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}
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if !found {
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t.Log(string(content))
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t.Fatalf("could not find the size available on the drive")
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}
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// Compare the bytes available at the root of the drive with the 200GiB we asked for. They won't
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// match up exactly as space is always occupied but we're giving 300MiB of leeway for content on
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// the virtual drive.
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toleranceInMB := int64(300 * 1024 * 1024)
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if driveSize < (rootfsSize - toleranceInMB) {
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t.Log(string(content))
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t.Fatalf("Size of the C:\\ volume is not within 300MiB of 200GiB. It is %d bytes", driveSize)
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}
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}
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