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node e2e: add image max gc test

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Signed-off-by: Peter Hunt <pehunt@redhat.com>
This commit is contained in:
Peter Hunt 2023-10-30 11:38:06 -04:00
parent be7856e340
commit 6cd78bc5fc
2 changed files with 79 additions and 0 deletions
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78
test/e2e_node/image_gc_test.go Normal file
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@ -0,0 +1,78 @@
/*
Copyright 2024 The Kubernetes Authors.
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 e2enode
import (
"context"
"time"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
internalapi "k8s.io/cri-api/pkg/apis"
runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
kubefeatures "k8s.io/kubernetes/pkg/features"
kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
"k8s.io/kubernetes/test/e2e/framework"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
admissionapi "k8s.io/pod-security-admission/api"
"github.com/onsi/ginkgo/v2"
"github.com/onsi/gomega"
)
// var _ = SIGDescribe("ImageGarbageCollect [Serial][NodeFeature:GarbageCollect]", func() {
var _ = SIGDescribe("ImageGarbageCollect", func() {
f := framework.NewDefaultFramework("image-garbage-collect-test")
f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged
var is internalapi.ImageManagerService
ginkgo.BeforeEach(func() {
var err error
_, is, err = getCRIClient()
framework.ExpectNoError(err)
})
ginkgo.AfterEach(func() {
// framework.ExpectNoError(PrePullAllImages())
})
ginkgo.Context("when ImageMaximumGCAge is set", func() {
tempSetCurrentKubeletConfig(f, func(ctx context.Context, initialConfig *kubeletconfig.KubeletConfiguration) {
initialConfig.ImageMaximumGCAge = metav1.Duration{Duration: time.Duration(time.Second * 30)}
initialConfig.ImageMinimumGCAge = metav1.Duration{Duration: time.Duration(time.Second * 1)}
if initialConfig.FeatureGates == nil {
initialConfig.FeatureGates = make(map[string]bool)
}
initialConfig.FeatureGates[string(kubefeatures.ImageMaximumGCAge)] = true
})
ginkgo.It("should GC unused images", func(ctx context.Context) {
pod := innocentPod()
e2epod.NewPodClient(f).CreateBatch(ctx, []*v1.Pod{pod})
_, err := is.PullImage(context.Background(), &runtimeapi.ImageSpec{Image: agnhostImage}, nil, nil)
framework.ExpectNoError(err)
allImages, err := is.ListImages(context.Background(), &runtimeapi.ImageFilter{})
framework.ExpectNoError(err)
e2epod.NewPodClient(f).DeleteSync(ctx, pod.ObjectMeta.Name, metav1.DeleteOptions{}, e2epod.DefaultPodDeletionTimeout)
time.Sleep(time.Minute * 2)
// All images but one is unused, so expect them to be garbage collected
gcdImageList, err := is.ListImages(context.Background(), &runtimeapi.ImageFilter{})
gomega.Expect(len(allImages)).To(gomega.BeNumerically(">", len(gcdImageList)))
})
})
})

1
test/e2e_node/util.go
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@ -74,6 +74,7 @@ import (
var startServices = flag.Bool("start-services", true, "If true, start local node services")
var stopServices = flag.Bool("stop-services", true, "If true, stop local node services after running tests")
var busyboxImage = imageutils.GetE2EImage(imageutils.BusyBox)
var agnhostImage = imageutils.GetE2EImage(imageutils.Agnhost)
const (
// Kubelet internal cgroup name for node allocatable cgroup.