mirror of
				https://github.com/k3s-io/kubernetes.git
				synced 2025-11-03 23:40:03 +00:00 
			
		
		
		
	Collecting events in a certain order and then verifying the order in which they were collected feels redundant.
		
			
				
	
	
		
			299 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			299 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
 | 
						|
Copyright 2016 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 common
 | 
						|
 | 
						|
import (
 | 
						|
	"context"
 | 
						|
	"encoding/json"
 | 
						|
	"fmt"
 | 
						|
	"time"
 | 
						|
 | 
						|
	v1 "k8s.io/api/core/v1"
 | 
						|
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 | 
						|
	"k8s.io/apimachinery/pkg/types"
 | 
						|
	"k8s.io/apimachinery/pkg/util/uuid"
 | 
						|
	watch "k8s.io/apimachinery/pkg/watch"
 | 
						|
	"k8s.io/client-go/dynamic"
 | 
						|
	"k8s.io/client-go/tools/cache"
 | 
						|
	watchtools "k8s.io/client-go/tools/watch"
 | 
						|
	"k8s.io/kubernetes/test/e2e/framework"
 | 
						|
	imageutils "k8s.io/kubernetes/test/utils/image"
 | 
						|
 | 
						|
	"github.com/onsi/ginkgo"
 | 
						|
)
 | 
						|
 | 
						|
var _ = ginkgo.Describe("[sig-node] ConfigMap", func() {
 | 
						|
	f := framework.NewDefaultFramework("configmap")
 | 
						|
 | 
						|
	var dc dynamic.Interface
 | 
						|
 | 
						|
	ginkgo.BeforeEach(func() {
 | 
						|
		dc = f.DynamicClient
 | 
						|
	})
 | 
						|
 | 
						|
	/*
 | 
						|
		Release : v1.9
 | 
						|
		Testname: ConfigMap, from environment field
 | 
						|
		Description: Create a Pod with an environment variable value set using a value from ConfigMap. A ConfigMap value MUST be accessible in the container environment.
 | 
						|
	*/
 | 
						|
	framework.ConformanceIt("should be consumable via environment variable [NodeConformance]", func() {
 | 
						|
		name := "configmap-test-" + string(uuid.NewUUID())
 | 
						|
		configMap := newConfigMap(f, name)
 | 
						|
		ginkgo.By(fmt.Sprintf("Creating configMap %v/%v", f.Namespace.Name, configMap.Name))
 | 
						|
		var err error
 | 
						|
		if configMap, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(context.TODO(), configMap, metav1.CreateOptions{}); err != nil {
 | 
						|
			framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
 | 
						|
		}
 | 
						|
 | 
						|
		pod := &v1.Pod{
 | 
						|
			ObjectMeta: metav1.ObjectMeta{
 | 
						|
				Name: "pod-configmaps-" + string(uuid.NewUUID()),
 | 
						|
			},
 | 
						|
			Spec: v1.PodSpec{
 | 
						|
				Containers: []v1.Container{
 | 
						|
					{
 | 
						|
						Name:    "env-test",
 | 
						|
						Image:   imageutils.GetE2EImage(imageutils.BusyBox),
 | 
						|
						Command: []string{"sh", "-c", "env"},
 | 
						|
						Env: []v1.EnvVar{
 | 
						|
							{
 | 
						|
								Name: "CONFIG_DATA_1",
 | 
						|
								ValueFrom: &v1.EnvVarSource{
 | 
						|
									ConfigMapKeyRef: &v1.ConfigMapKeySelector{
 | 
						|
										LocalObjectReference: v1.LocalObjectReference{
 | 
						|
											Name: name,
 | 
						|
										},
 | 
						|
										Key: "data-1",
 | 
						|
									},
 | 
						|
								},
 | 
						|
							},
 | 
						|
						},
 | 
						|
					},
 | 
						|
				},
 | 
						|
				RestartPolicy: v1.RestartPolicyNever,
 | 
						|
			},
 | 
						|
		}
 | 
						|
 | 
						|
		f.TestContainerOutput("consume configMaps", pod, 0, []string{
 | 
						|
			"CONFIG_DATA_1=value-1",
 | 
						|
		})
 | 
						|
	})
 | 
						|
 | 
						|
	/*
 | 
						|
		Release: v1.9
 | 
						|
		Testname: ConfigMap, from environment variables
 | 
						|
		Description: Create a Pod with a environment source from ConfigMap. All ConfigMap values MUST be available as environment variables in the container.
 | 
						|
	*/
 | 
						|
	framework.ConformanceIt("should be consumable via the environment [NodeConformance]", func() {
 | 
						|
		name := "configmap-test-" + string(uuid.NewUUID())
 | 
						|
		configMap := newEnvFromConfigMap(f, name)
 | 
						|
		ginkgo.By(fmt.Sprintf("Creating configMap %v/%v", f.Namespace.Name, configMap.Name))
 | 
						|
		var err error
 | 
						|
		if configMap, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(context.TODO(), configMap, metav1.CreateOptions{}); err != nil {
 | 
						|
			framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
 | 
						|
		}
 | 
						|
 | 
						|
		pod := &v1.Pod{
 | 
						|
			ObjectMeta: metav1.ObjectMeta{
 | 
						|
				Name: "pod-configmaps-" + string(uuid.NewUUID()),
 | 
						|
			},
 | 
						|
			Spec: v1.PodSpec{
 | 
						|
				Containers: []v1.Container{
 | 
						|
					{
 | 
						|
						Name:    "env-test",
 | 
						|
						Image:   imageutils.GetE2EImage(imageutils.BusyBox),
 | 
						|
						Command: []string{"sh", "-c", "env"},
 | 
						|
						EnvFrom: []v1.EnvFromSource{
 | 
						|
							{
 | 
						|
								ConfigMapRef: &v1.ConfigMapEnvSource{LocalObjectReference: v1.LocalObjectReference{Name: name}},
 | 
						|
							},
 | 
						|
							{
 | 
						|
								Prefix:       "p_",
 | 
						|
								ConfigMapRef: &v1.ConfigMapEnvSource{LocalObjectReference: v1.LocalObjectReference{Name: name}},
 | 
						|
							},
 | 
						|
						},
 | 
						|
					},
 | 
						|
				},
 | 
						|
				RestartPolicy: v1.RestartPolicyNever,
 | 
						|
			},
 | 
						|
		}
 | 
						|
 | 
						|
		f.TestContainerOutput("consume configMaps", pod, 0, []string{
 | 
						|
			"data_1=value-1", "data_2=value-2", "data_3=value-3",
 | 
						|
			"p_data_1=value-1", "p_data_2=value-2", "p_data_3=value-3",
 | 
						|
		})
 | 
						|
	})
 | 
						|
 | 
						|
	/*
 | 
						|
	   Release : v1.14
 | 
						|
	   Testname: ConfigMap, with empty-key
 | 
						|
	   Description: Attempt to create a ConfigMap with an empty key. The creation MUST fail.
 | 
						|
	*/
 | 
						|
	framework.ConformanceIt("should fail to create ConfigMap with empty key", func() {
 | 
						|
		configMap, err := newConfigMapWithEmptyKey(f)
 | 
						|
		framework.ExpectError(err, "created configMap %q with empty key in namespace %q", configMap.Name, f.Namespace.Name)
 | 
						|
	})
 | 
						|
 | 
						|
	ginkgo.It("should update ConfigMap successfully", func() {
 | 
						|
		name := "configmap-test-" + string(uuid.NewUUID())
 | 
						|
		configMap := newConfigMap(f, name)
 | 
						|
		ginkgo.By(fmt.Sprintf("Creating ConfigMap %v/%v", f.Namespace.Name, configMap.Name))
 | 
						|
		_, err := f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(context.TODO(), configMap, metav1.CreateOptions{})
 | 
						|
		framework.ExpectNoError(err, "failed to create ConfigMap")
 | 
						|
 | 
						|
		configMap.Data = map[string]string{
 | 
						|
			"data": "value",
 | 
						|
		}
 | 
						|
		ginkgo.By(fmt.Sprintf("Updating configMap %v/%v", f.Namespace.Name, configMap.Name))
 | 
						|
		_, err = f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Update(context.TODO(), configMap, metav1.UpdateOptions{})
 | 
						|
		framework.ExpectNoError(err, "failed to update ConfigMap")
 | 
						|
 | 
						|
		configMapFromUpdate, err := f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Get(context.TODO(), name, metav1.GetOptions{})
 | 
						|
		framework.ExpectNoError(err, "failed to get ConfigMap")
 | 
						|
		ginkgo.By(fmt.Sprintf("Verifying update of ConfigMap %v/%v", f.Namespace.Name, configMap.Name))
 | 
						|
		framework.ExpectEqual(configMapFromUpdate.Data, configMap.Data)
 | 
						|
	})
 | 
						|
 | 
						|
	ginkgo.It("should run through a ConfigMap lifecycle", func() {
 | 
						|
		testNamespaceName := f.Namespace.Name
 | 
						|
		testConfigMapName := "test-configmap" + string(uuid.NewUUID())
 | 
						|
 | 
						|
		testConfigMap := v1.ConfigMap{
 | 
						|
			ObjectMeta: metav1.ObjectMeta{
 | 
						|
				Name: testConfigMapName,
 | 
						|
				Labels: map[string]string{
 | 
						|
					"test-configmap-static": "true",
 | 
						|
				},
 | 
						|
			},
 | 
						|
			Data: map[string]string{
 | 
						|
				"valueName": "value",
 | 
						|
			},
 | 
						|
		}
 | 
						|
 | 
						|
		w := &cache.ListWatch{
 | 
						|
			WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
 | 
						|
				options.LabelSelector = "test-configmap-static=true"
 | 
						|
				return f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).Watch(context.TODO(), options)
 | 
						|
			},
 | 
						|
		}
 | 
						|
		cml, err := f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).List(context.TODO(), metav1.ListOptions{LabelSelector: "test-configmap-static=true"})
 | 
						|
		framework.ExpectNoError(err)
 | 
						|
		retryWatcher, err := watchtools.NewRetryWatcher(cml.ResourceVersion, w)
 | 
						|
 | 
						|
		ginkgo.By("creating a ConfigMap")
 | 
						|
		_, err = f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).Create(context.TODO(), &testConfigMap, metav1.CreateOptions{})
 | 
						|
		framework.ExpectNoError(err, "failed to create ConfigMap")
 | 
						|
 | 
						|
		ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
 | 
						|
		defer cancel()
 | 
						|
		_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
 | 
						|
			return watchEvent.Type == watch.Added, nil
 | 
						|
		})
 | 
						|
		framework.ExpectNoError(err, "failed to see a watch.Added event for the configmap we created")
 | 
						|
 | 
						|
		configMapPatchPayload, err := json.Marshal(v1.ConfigMap{
 | 
						|
			ObjectMeta: metav1.ObjectMeta{
 | 
						|
				Labels: map[string]string{
 | 
						|
					"test-configmap": "patched",
 | 
						|
				},
 | 
						|
			},
 | 
						|
			Data: map[string]string{
 | 
						|
				"valueName": "value1",
 | 
						|
			},
 | 
						|
		})
 | 
						|
		framework.ExpectNoError(err, "failed to marshal patch data")
 | 
						|
 | 
						|
		ginkgo.By("patching the ConfigMap")
 | 
						|
		_, err = f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).Patch(context.TODO(), testConfigMapName, types.StrategicMergePatchType, []byte(configMapPatchPayload), metav1.PatchOptions{})
 | 
						|
		framework.ExpectNoError(err, "failed to patch ConfigMap")
 | 
						|
		ginkgo.By("waiting for the ConfigMap to be modified")
 | 
						|
		ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
 | 
						|
		defer cancel()
 | 
						|
		_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
 | 
						|
			return watchEvent.Type == watch.Modified, nil
 | 
						|
		})
 | 
						|
		framework.ExpectNoError(err, "failed to see a watch.Modified event for the configmap we patched")
 | 
						|
 | 
						|
		ginkgo.By("fetching the ConfigMap")
 | 
						|
		configMap, err := f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).Get(context.TODO(), testConfigMapName, metav1.GetOptions{})
 | 
						|
		framework.ExpectNoError(err, "failed to get ConfigMap")
 | 
						|
		framework.ExpectEqual(configMap.Data["valueName"], "value1", "failed to patch ConfigMap")
 | 
						|
		framework.ExpectEqual(configMap.Labels["test-configmap"], "patched", "failed to patch ConfigMap")
 | 
						|
 | 
						|
		ginkgo.By("listing all ConfigMaps in all namespaces")
 | 
						|
		configMapList, err := f.ClientSet.CoreV1().ConfigMaps("").List(context.TODO(), metav1.ListOptions{
 | 
						|
			LabelSelector: "test-configmap-static=true",
 | 
						|
		})
 | 
						|
		framework.ExpectNoError(err, "failed to list ConfigMaps with LabelSelector")
 | 
						|
		framework.ExpectNotEqual(len(configMapList.Items), 0, "no ConfigMaps found in ConfigMap list")
 | 
						|
		testConfigMapFound := false
 | 
						|
		for _, cm := range configMapList.Items {
 | 
						|
			if cm.ObjectMeta.Name == testConfigMapName &&
 | 
						|
				cm.ObjectMeta.Namespace == testNamespaceName &&
 | 
						|
				cm.ObjectMeta.Labels["test-configmap-static"] == "true" &&
 | 
						|
				cm.Data["valueName"] == "value1" {
 | 
						|
				testConfigMapFound = true
 | 
						|
				break
 | 
						|
			}
 | 
						|
		}
 | 
						|
		framework.ExpectEqual(testConfigMapFound, true, "failed to find ConfigMap in list")
 | 
						|
 | 
						|
		ginkgo.By("deleting the ConfigMap by a collection")
 | 
						|
		err = f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).DeleteCollection(context.TODO(), metav1.DeleteOptions{}, metav1.ListOptions{
 | 
						|
			LabelSelector: "test-configmap-static=true",
 | 
						|
		})
 | 
						|
		framework.ExpectNoError(err, "failed to delete ConfigMap collection with LabelSelector")
 | 
						|
		ginkgo.By("waiting for the ConfigMap to be deleted")
 | 
						|
		ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
 | 
						|
		defer cancel()
 | 
						|
		_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
 | 
						|
			return watchEvent.Type == watch.Deleted, nil
 | 
						|
		})
 | 
						|
		framework.ExpectNoError(err, "fasiled to observe a watch.Deleted event for the ConfigMap we deleted")
 | 
						|
	})
 | 
						|
})
 | 
						|
 | 
						|
func newEnvFromConfigMap(f *framework.Framework, name string) *v1.ConfigMap {
 | 
						|
	return &v1.ConfigMap{
 | 
						|
		ObjectMeta: metav1.ObjectMeta{
 | 
						|
			Namespace: f.Namespace.Name,
 | 
						|
			Name:      name,
 | 
						|
		},
 | 
						|
		Data: map[string]string{
 | 
						|
			"data_1": "value-1",
 | 
						|
			"data_2": "value-2",
 | 
						|
			"data_3": "value-3",
 | 
						|
		},
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func newConfigMapWithEmptyKey(f *framework.Framework) (*v1.ConfigMap, error) {
 | 
						|
	name := "configmap-test-emptyKey-" + string(uuid.NewUUID())
 | 
						|
	configMap := &v1.ConfigMap{
 | 
						|
		ObjectMeta: metav1.ObjectMeta{
 | 
						|
			Namespace: f.Namespace.Name,
 | 
						|
			Name:      name,
 | 
						|
		},
 | 
						|
		Data: map[string]string{
 | 
						|
			"": "value-1",
 | 
						|
		},
 | 
						|
	}
 | 
						|
 | 
						|
	ginkgo.By(fmt.Sprintf("Creating configMap that has name %s", configMap.Name))
 | 
						|
	return f.ClientSet.CoreV1().ConfigMaps(f.Namespace.Name).Create(context.TODO(), configMap, metav1.CreateOptions{})
 | 
						|
}
 |