Drop WatchSequenceEventVerifier from configmap lifecycle test

Collecting events in a certain order and then verifying the order in
which they were collected feels redundant.
This commit is contained in:
Aaron Crickenberger 2020-06-18 21:55:00 -07:00
parent 71c352dee3
commit 9fb05616ca

View File

@ -24,11 +24,11 @@ import (
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"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"
@ -172,12 +172,6 @@ var _ = ginkgo.Describe("[sig-node] ConfigMap", func() {
testNamespaceName := f.Namespace.Name
testConfigMapName := "test-configmap" + string(uuid.NewUUID())
configMapResource := schema.GroupVersionResource{Group: "", Version: "v1", Resource: "configmaps"}
expectedWatchEvents := []watch.Event{
{Type: watch.Added},
{Type: watch.Modified},
{Type: watch.Deleted},
}
testConfigMap := v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: testConfigMapName,
@ -190,103 +184,86 @@ var _ = ginkgo.Describe("[sig-node] ConfigMap", func() {
},
}
framework.WatchEventSequenceVerifier(context.TODO(), dc, configMapResource, testNamespaceName, testConfigMapName, metav1.ListOptions{LabelSelector: "test-configmap-static=true"}, expectedWatchEvents, func(retryWatcher *watchtools.RetryWatcher) (actualWatchEvents []watch.Event) {
ginkgo.By("creating a ConfigMap")
_, err := f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).Create(context.TODO(), &testConfigMap, metav1.CreateOptions{})
framework.ExpectNoError(err, "failed to create ConfigMap")
eventFound := false
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
if watchEvent.Type != watch.Added {
return false, nil
}
actualWatchEvents = append(actualWatchEvents, watchEvent)
eventFound = true
return true, nil
})
framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
framework.ExpectEqual(eventFound, true, "failed to find ConfigMap %v event", watch.Added)
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)
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("creating a ConfigMap")
_, err = f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).Create(context.TODO(), &testConfigMap, metav1.CreateOptions{})
framework.ExpectNoError(err, "failed to create ConfigMap")
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")
eventFound = false
ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
if watchEvent.Type != watch.Modified {
return false, nil
}
actualWatchEvents = append(actualWatchEvents, watchEvent)
eventFound = true
return true, nil
})
framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
framework.ExpectEqual(eventFound, true, "failed to find ConfigMap %v event", watch.Modified)
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")
eventFound = false
ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
if watchEvent.Type != watch.Deleted {
return false, nil
}
actualWatchEvents = append(actualWatchEvents, watchEvent)
eventFound = true
return true, nil
})
framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
framework.ExpectEqual(eventFound, true, "failed to find ConfigMap %v event", watch.Deleted)
return actualWatchEvents
}, func() (err error) {
_ = f.ClientSet.CoreV1().ConfigMaps(testNamespaceName).DeleteCollection(context.TODO(), metav1.DeleteOptions{}, metav1.ListOptions{LabelSelector: "test-configmap-static=true"})
return err
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")
})
})