77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
/*
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Copyright 2017 The Kubernetes 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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"os"
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"testing"
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"time"
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"github.com/pkg/errors"
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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/kubernetes/pkg/kubelet/apis/cri/runtime/v1alpha2"
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)
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func TestImageFSInfo(t *testing.T) {
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config := PodSandboxConfig("running-pod", "imagefs")
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t.Logf("Pull an image to make sure image fs is not empty")
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img, err := imageService.PullImage(&runtime.ImageSpec{Image: "busybox"}, nil, config)
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require.NoError(t, err)
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defer func() {
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err := imageService.RemoveImage(&runtime.ImageSpec{Image: img})
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assert.NoError(t, err)
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}()
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t.Logf("Create a sandbox to make sure there is an active snapshot")
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sb, err := runtimeService.RunPodSandbox(config, *runtimeHandler)
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require.NoError(t, err)
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defer func() {
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assert.NoError(t, runtimeService.StopPodSandbox(sb))
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assert.NoError(t, runtimeService.RemovePodSandbox(sb))
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}()
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// It takes time to populate imagefs stats. Use eventually
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// to check for a period of time.
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t.Logf("Check imagefs info")
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var info *runtime.FilesystemUsage
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require.NoError(t, Eventually(func() (bool, error) {
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stats, err := imageService.ImageFsInfo()
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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) == 0 {
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return false, nil
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}
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if len(stats) >= 2 {
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return false, errors.Errorf("unexpected stats length: %d", len(stats))
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}
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info = stats[0]
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if info.GetTimestamp() != 0 &&
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info.GetUsedBytes().GetValue() != 0 &&
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info.GetInodesUsed().GetValue() != 0 &&
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info.GetFsId().GetMountpoint() != "" {
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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("Image filesystem mountpath should exist")
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_, err = os.Stat(info.GetFsId().GetMountpoint())
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assert.NoError(t, err)
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}
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