76d68b080e
On Linux, the snapshot size differs depending on the backing filesystem. See issue 7909. Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
425 lines
13 KiB
Go
425 lines
13 KiB
Go
/*
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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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"errors"
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"fmt"
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goruntime "runtime"
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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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// Test to verify for a container ID
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func TestContainerStats(t *testing.T) {
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t.Logf("Create a pod config and run sandbox container")
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sb, sbConfig := PodSandboxConfigWithCleanup(t, "sandbox1", "stats")
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pauseImage := images.Get(images.Pause)
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EnsureImageExists(t, pauseImage)
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t.Logf("Create a container config and run container in a pod")
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containerConfig := ContainerConfig(
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"container1",
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pauseImage,
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WithTestLabels(),
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WithTestAnnotations(),
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)
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cn, err := runtimeService.CreateContainer(sb, containerConfig, sbConfig)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, runtimeService.RemoveContainer(cn))
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}()
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require.NoError(t, runtimeService.StartContainer(cn))
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defer func() {
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assert.NoError(t, runtimeService.StopContainer(cn, 10))
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}()
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t.Logf("Fetch stats for container")
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var s *runtime.ContainerStats
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require.NoError(t, Eventually(func() (bool, error) {
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s, err = runtimeService.ContainerStats(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.GetWritableLayer().GetTimestamp() != 0 {
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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.Logf("Verify stats received for container %q", cn)
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testStats(t, s, containerConfig)
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}
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// Test to verify if the consumed stats are correct.
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func TestContainerConsumedStats(t *testing.T) {
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t.Logf("Create a pod config and run sandbox container")
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sb, sbConfig := PodSandboxConfigWithCleanup(t, "sandbox1", "stats")
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testImage := images.Get(images.ResourceConsumer)
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EnsureImageExists(t, testImage)
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t.Logf("Create a container config and run container in a pod")
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containerConfig := ContainerConfig(
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"container1",
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testImage,
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WithTestLabels(),
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WithTestAnnotations(),
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)
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cn, err := runtimeService.CreateContainer(sb, containerConfig, sbConfig)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, runtimeService.RemoveContainer(cn))
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}()
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require.NoError(t, runtimeService.StartContainer(cn))
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defer func() {
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assert.NoError(t, runtimeService.StopContainer(cn, 10))
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}()
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t.Logf("Fetch initial stats for container")
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var s *runtime.ContainerStats
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require.NoError(t, Eventually(func() (bool, error) {
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s, err = runtimeService.ContainerStats(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.GetWritableLayer().GetTimestamp() > 0 {
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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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initialMemory := s.GetMemory().GetWorkingSetBytes().GetValue()
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t.Logf("Initial container memory consumption is %f MB. Consume 100 MB and expect the reported stats to increase accordingly", float64(initialMemory)/(1024*1024))
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// consume 100 MB memory for 30 seconds.
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var command []string
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if goruntime.GOOS == "windows" {
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// -d: Leak and touch memory in specified MBs
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// -c: Count of number of objects to allocate
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command = []string{"testlimit.exe", "-accepteula", "-d", "25", "-c", "4"}
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} else {
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command = []string{"stress", "-m", "1", "--vm-bytes", "100M", "--vm-hang", "0", "-t", "30"}
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}
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go func() {
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_, _, err = runtimeService.ExecSync(cn, command, 30*time.Second)
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}()
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require.NoError(t, Eventually(func() (bool, error) {
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s, err = runtimeService.ContainerStats(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.GetMemory().GetWorkingSetBytes().GetValue() > initialMemory+100*1024*1024 {
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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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}
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// Test to verify filtering without any filter
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func TestContainerListStats(t *testing.T) {
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var (
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stats []*runtime.ContainerStats
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err error
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)
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t.Logf("Create a pod config and run sandbox container")
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sb, sbConfig := PodSandboxConfigWithCleanup(t, "running-pod", "statsls")
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pauseImage := images.Get(images.Pause)
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EnsureImageExists(t, pauseImage)
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t.Logf("Create a container config and run containers in a pod")
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containerConfigMap := make(map[string]*runtime.ContainerConfig)
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for i := 0; i < 3; i++ {
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cName := fmt.Sprintf("container%d", i)
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containerConfig := ContainerConfig(
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cName,
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pauseImage,
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WithTestLabels(),
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WithTestAnnotations(),
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)
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cn, err := runtimeService.CreateContainer(sb, containerConfig, sbConfig)
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require.NoError(t, err)
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containerConfigMap[cn] = containerConfig
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defer func() {
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assert.NoError(t, runtimeService.RemoveContainer(cn))
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}()
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require.NoError(t, runtimeService.StartContainer(cn))
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defer func() {
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assert.NoError(t, runtimeService.StopContainer(cn, 10))
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}()
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}
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t.Logf("Fetch all container stats")
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require.NoError(t, Eventually(func() (bool, error) {
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stats, err = runtimeService.ListContainerStats(&runtime.ContainerStatsFilter{})
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if err != nil {
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return false, err
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}
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for _, s := range stats {
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if s.GetWritableLayer().GetTimestamp() == 0 {
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return false, nil
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}
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}
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return true, nil
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}, time.Second, 30*time.Second))
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t.Logf("Verify all container stats")
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for _, s := range stats {
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testStats(t, s, containerConfigMap[s.GetAttributes().GetId()])
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}
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}
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// Test to verify filtering given a specific container ID
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// TODO Convert the filter tests into table driven tests and unit tests
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func TestContainerListStatsWithIdFilter(t *testing.T) {
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var (
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stats []*runtime.ContainerStats
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err error
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)
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t.Logf("Create a pod config and run sandbox container")
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sb, sbConfig := PodSandboxConfigWithCleanup(t, "running-pod", "statsls")
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pauseImage := images.Get(images.Pause)
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EnsureImageExists(t, pauseImage)
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t.Logf("Create a container config and run containers in a pod")
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containerConfigMap := make(map[string]*runtime.ContainerConfig)
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for i := 0; i < 3; i++ {
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cName := fmt.Sprintf("container%d", i)
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containerConfig := ContainerConfig(
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cName,
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pauseImage,
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WithTestLabels(),
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WithTestAnnotations(),
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)
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cn, err := runtimeService.CreateContainer(sb, containerConfig, sbConfig)
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containerConfigMap[cn] = containerConfig
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, runtimeService.RemoveContainer(cn))
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}()
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require.NoError(t, runtimeService.StartContainer(cn))
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defer func() {
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assert.NoError(t, runtimeService.StopContainer(cn, 10))
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}()
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}
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t.Logf("Fetch container stats for each container with Filter")
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for id := range containerConfigMap {
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require.NoError(t, Eventually(func() (bool, error) {
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stats, err = runtimeService.ListContainerStats(
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&runtime.ContainerStatsFilter{Id: id})
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if err != nil {
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return false, err
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}
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if len(stats) != 1 {
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return false, errors.New("unexpected stats length")
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}
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if stats[0].GetWritableLayer().GetTimestamp() != 0 {
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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.Logf("Verify container stats for %s", id)
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for _, s := range stats {
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require.Equal(t, s.GetAttributes().GetId(), id)
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testStats(t, s, containerConfigMap[id])
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}
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}
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}
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// Test to verify filtering given a specific Sandbox ID. Stats for
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// all the containers in a pod should be returned
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func TestContainerListStatsWithSandboxIdFilter(t *testing.T) {
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var (
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stats []*runtime.ContainerStats
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err error
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)
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t.Logf("Create a pod config and run sandbox container")
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sb, sbConfig := PodSandboxConfigWithCleanup(t, "running-pod", "statsls")
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pauseImage := images.Get(images.Pause)
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EnsureImageExists(t, pauseImage)
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t.Logf("Create a container config and run containers in a pod")
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containerConfigMap := make(map[string]*runtime.ContainerConfig)
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for i := 0; i < 3; i++ {
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cName := fmt.Sprintf("container%d", i)
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containerConfig := ContainerConfig(
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cName,
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pauseImage,
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WithTestLabels(),
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WithTestAnnotations(),
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)
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cn, err := runtimeService.CreateContainer(sb, containerConfig, sbConfig)
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containerConfigMap[cn] = containerConfig
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, runtimeService.RemoveContainer(cn))
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}()
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require.NoError(t, runtimeService.StartContainer(cn))
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defer func() {
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assert.NoError(t, runtimeService.StopContainer(cn, 10))
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}()
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}
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t.Logf("Fetch container stats for each container with Filter")
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require.NoError(t, Eventually(func() (bool, error) {
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stats, err = runtimeService.ListContainerStats(
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&runtime.ContainerStatsFilter{PodSandboxId: sb})
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if err != nil {
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return false, err
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}
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if len(stats) != 3 {
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return false, errors.New("unexpected stats length")
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}
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for _, containerStats := range stats {
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// Wait for stats on all containers, not just the first one in the list.
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if containerStats.GetWritableLayer().GetTimestamp() == 0 {
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return false, nil
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}
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}
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return true, nil
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}, time.Second, 45*time.Second))
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// TODO(claudiub): Reduce the timer above to 30 seconds once Windows flakiness has been addressed.
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t.Logf("Verify container stats for sandbox %q", sb)
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for _, s := range stats {
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testStats(t, s, containerConfigMap[s.GetAttributes().GetId()])
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}
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}
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// Test to verify filtering given a specific container ID and
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// sandbox ID
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func TestContainerListStatsWithIdSandboxIdFilter(t *testing.T) {
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var (
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stats []*runtime.ContainerStats
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err error
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)
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t.Logf("Create a pod config and run sandbox container")
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sb, sbConfig := PodSandboxConfigWithCleanup(t, "running-pod", "statsls")
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pauseImage := images.Get(images.Pause)
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EnsureImageExists(t, pauseImage)
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t.Logf("Create container config and run containers in a pod")
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containerConfigMap := make(map[string]*runtime.ContainerConfig)
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for i := 0; i < 3; i++ {
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cName := fmt.Sprintf("container%d", i)
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containerConfig := ContainerConfig(
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cName,
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pauseImage,
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WithTestLabels(),
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WithTestAnnotations(),
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)
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cn, err := runtimeService.CreateContainer(sb, containerConfig, sbConfig)
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containerConfigMap[cn] = containerConfig
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, runtimeService.RemoveContainer(cn))
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}()
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require.NoError(t, runtimeService.StartContainer(cn))
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defer func() {
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assert.NoError(t, runtimeService.StopContainer(cn, 10))
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}()
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}
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t.Logf("Fetch container stats for sandbox ID and container ID filter")
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for id, config := range containerConfigMap {
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require.NoError(t, Eventually(func() (bool, error) {
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stats, err = runtimeService.ListContainerStats(
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&runtime.ContainerStatsFilter{Id: id, PodSandboxId: sb})
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if err != nil {
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return false, err
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}
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if len(stats) != 1 {
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return false, errors.New("unexpected stats length")
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}
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if stats[0].GetWritableLayer().GetTimestamp() != 0 {
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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.Logf("Verify container stats for sandbox %q and container %q filter", sb, id)
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for _, s := range stats {
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testStats(t, s, config)
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}
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}
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t.Logf("Fetch container stats for sandbox truncID and container truncID filter ")
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for id, config := range containerConfigMap {
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require.NoError(t, Eventually(func() (bool, error) {
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stats, err = runtimeService.ListContainerStats(
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&runtime.ContainerStatsFilter{Id: id[:3], PodSandboxId: sb[:3]})
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if err != nil {
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return false, err
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}
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if len(stats) != 1 {
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return false, fmt.Errorf("expected only one stat, but got %v", stats)
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}
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if stats[0].GetWritableLayer().GetTimestamp() != 0 {
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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.Logf("Verify container stats for sandbox %q and container %q filter", sb, id)
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for _, s := range stats {
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testStats(t, s, config)
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}
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}
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}
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// TODO make this as options to use for dead container tests
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func testStats(t *testing.T,
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s *runtime.ContainerStats,
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config *runtime.ContainerConfig,
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) {
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require.NotEmpty(t, s.GetAttributes().GetId())
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require.NotEmpty(t, s.GetAttributes().GetMetadata())
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require.NotEmpty(t, s.GetAttributes().GetAnnotations())
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require.Equal(t, s.GetAttributes().GetLabels(), config.Labels)
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require.Equal(t, s.GetAttributes().GetAnnotations(), config.Annotations)
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require.Equal(t, s.GetAttributes().GetMetadata().Name, config.Metadata.Name)
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require.NotEmpty(t, s.GetAttributes().GetLabels())
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require.NotEmpty(t, s.GetCpu().GetTimestamp())
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require.NotEmpty(t, s.GetCpu().GetUsageCoreNanoSeconds().GetValue())
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require.NotEmpty(t, s.GetMemory().GetTimestamp())
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require.NotEmpty(t, s.GetMemory().GetWorkingSetBytes().GetValue())
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require.NotEmpty(t, s.GetWritableLayer().GetTimestamp())
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require.NotEmpty(t, s.GetWritableLayer().GetFsId().GetMountpoint())
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// UsedBytes of a fresh container can be zero on Linux, depending on the backing filesystem.
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// https://github.com/containerd/containerd/issues/7909
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if goruntime.GOOS == "windows" {
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require.NotEmpty(t, s.GetWritableLayer().GetUsedBytes().GetValue())
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}
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// Windows does not collect inodes stats.
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if goruntime.GOOS != "windows" {
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require.NotEmpty(t, s.GetWritableLayer().GetInodesUsed().GetValue())
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}
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}
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