terminate_pods_test.go

Documentation: k8s.io/kubernetes/test/e2e_node

     1  /*
     2  Copyright 2023 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package e2enode
    18  
    19  import (
    20  	"context"
    21  	"time"
    22  
    23  	"github.com/onsi/ginkgo/v2"
    24  	"github.com/onsi/gomega"
    25  	v1 "k8s.io/api/core/v1"
    26  	apierrors "k8s.io/apimachinery/pkg/api/errors"
    27  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    28  	"k8s.io/apimachinery/pkg/util/uuid"
    29  	admissionapi "k8s.io/pod-security-admission/api"
    30  
    31  	"k8s.io/kubernetes/test/e2e/framework"
    32  	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
    33  )
    34  
    35  var _ = SIGDescribe("Terminate Pods", func() {
    36  	f := framework.NewDefaultFramework("terminate-pods")
    37  	f.NamespacePodSecurityLevel = admissionapi.LevelBaseline
    38  
    39  	ginkgo.It("should not hang when terminating pods mounting non-existent volumes", func(ctx context.Context) {
    40  		pod := &v1.Pod{
    41  			ObjectMeta: metav1.ObjectMeta{
    42  				Name: "pod1",
    43  			},
    44  			Spec: v1.PodSpec{
    45  				Containers: []v1.Container{
    46  					{
    47  						Name:  "container1",
    48  						Image: busyboxImage,
    49  						VolumeMounts: []v1.VolumeMount{
    50  							{
    51  								Name:      "vol1",
    52  								MountPath: "/mnt/vol1",
    53  							},
    54  						},
    55  					},
    56  				},
    57  				Volumes: []v1.Volume{
    58  					{
    59  						Name: "vol1",
    60  						VolumeSource: v1.VolumeSource{
    61  							Secret: &v1.SecretVolumeSource{
    62  								SecretName: "non-existent-" + string(uuid.NewUUID()),
    63  							},
    64  						},
    65  					},
    66  				},
    67  			},
    68  		}
    69  		client := e2epod.NewPodClient(f)
    70  		pod = client.Create(context.TODO(), pod)
    71  		gomega.Expect(pod.Spec.NodeName).ToNot(gomega.BeEmpty())
    72  
    73  		gomega.Eventually(ctx, func() bool {
    74  			pod, _ = client.Get(context.TODO(), pod.Name, metav1.GetOptions{})
    75  			for _, c := range pod.Status.Conditions {
    76  				if c.Type == v1.ContainersReady && c.Status == v1.ConditionFalse {
    77  					return true
    78  				}
    79  			}
    80  			return false
    81  		}, 20*time.Second, 1*time.Second).Should(gomega.BeTrue())
    82  
    83  		err := client.Delete(context.Background(), pod.Name, metav1.DeleteOptions{})
    84  
    85  		// Wait for the pod to disappear from the API server up to 10 seconds, this shouldn't hang for minutes due to
    86  		// non-existent secret being mounted.
    87  		gomega.Eventually(ctx, func() bool {
    88  			_, err := client.Get(context.TODO(), pod.Name, metav1.GetOptions{})
    89  			return apierrors.IsNotFound(err)
    90  		}, 10*time.Second, time.Second).Should(gomega.BeTrue())
    91  
    92  		framework.ExpectNoError(err)
    93  	})
    94  })
    95
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