mirror of https://github.com/k3s-io/k3s
213 lines
8.2 KiB
Go
213 lines
8.2 KiB
Go
/*
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Copyright 2016 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 e2e
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import (
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"fmt"
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"os"
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"time"
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"k8s.io/kubernetes/federation/client/clientset_generated/federation_release_1_4"
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fedutil "k8s.io/kubernetes/federation/pkg/federation-controller/util"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
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"k8s.io/kubernetes/pkg/util/wait"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"k8s.io/kubernetes/pkg/api/errors"
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"reflect"
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)
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const (
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FederationReplicaSetName = "federation-replicaset"
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FederatedReplicaSetTimeout = 120 * time.Second
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)
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// Create/delete replicaset api objects
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var _ = framework.KubeDescribe("Federation replicasets [Feature:Federation]", func() {
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f := framework.NewDefaultFederatedFramework("federation-replicaset")
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Describe("ReplicaSet objects", func() {
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AfterEach(func() {
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framework.SkipUnlessFederated(f.Client)
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// Delete registered replicasets.
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nsName := f.FederationNamespace.Name
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replicasetList, err := f.FederationClientset_1_4.Extensions().ReplicaSets(nsName).List(api.ListOptions{})
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Expect(err).NotTo(HaveOccurred())
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for _, replicaset := range replicasetList.Items {
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err := f.FederationClientset_1_4.Extensions().ReplicaSets(nsName).Delete(replicaset.Name, &api.DeleteOptions{})
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Expect(err).NotTo(HaveOccurred())
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}
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})
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It("should be created and deleted successfully", func() {
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framework.SkipUnlessFederated(f.Client)
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nsName := f.FederationNamespace.Name
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replicaset := createReplicaSetOrFail(f.FederationClientset_1_4, nsName)
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By(fmt.Sprintf("Creation of replicaset %q in namespace %q succeeded. Deleting replicaset.", replicaset.Name, nsName))
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// Cleanup
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err := f.FederationClientset_1_4.Extensions().ReplicaSets(nsName).Delete(replicaset.Name, &api.DeleteOptions{})
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framework.ExpectNoError(err, "Error deleting replicaset %q in namespace %q", replicaset.Name, replicaset.Namespace)
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By(fmt.Sprintf("Deletion of replicaset %q in namespace %q succeeded.", replicaset.Name, nsName))
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})
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})
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// e2e cases for federated replicaset controller
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Describe("Federated ReplicaSet", func() {
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var (
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clusters map[string]*cluster
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federationName string
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)
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BeforeEach(func() {
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framework.SkipUnlessFederated(f.Client)
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if federationName = os.Getenv("FEDERATION_NAME"); federationName == "" {
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federationName = DefaultFederationName
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}
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registerClusters(clusters, UserAgentName, federationName, f)
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})
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AfterEach(func() {
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unregisterClusters(clusters, f)
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})
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It("should create and update matching replicasets in underling clusters", func() {
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rs := createReplicaSetOrFail(f.FederationClientset_1_4, f.Namespace.Namespace)
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defer func() { // cleanup. deletion of replicasets is not supported for underling clusters
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By(fmt.Sprintf("zero replicas then delete replicaset %q/%q", f.Namespace.Name, rs.Name))
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replicas := int32(0)
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rs.Spec.Replicas = &replicas
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f.FederationClientset_1_4.ReplicaSets(f.Namespace.Name).Update(rs)
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waitForReplicaSetOrFail(f.FederationClientset_1_4, f.Namespace.Name, rs.Name, clusters)
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f.FederationClientset_1_4.ReplicaSets(f.Namespace.Name).Delete(rs.Name, &api.DeleteOptions{})
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}()
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waitForReplicaSetOrFail(f.FederationClientset_1_4, f.Namespace.Name, rs.Name, clusters)
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By(fmt.Sprintf("Successfuly created and synced replicaset %q/%q to clusters", f.Namespace.Namespace, rs.Name))
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updateReplicaSetOrFail(f.FederationClientset_1_4, f.Namespace.Namespace)
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waitForReplicaSetOrFail(f.FederationClientset_1_4, f.Namespace.Name, rs.Name, clusters)
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By(fmt.Sprintf("Successfuly updated and synced replicaset %q/%q to clusters", f.Namespace.Namespace, rs.Name))
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})
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})
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})
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func waitForReplicaSetOrFail(c *federation_release_1_4.Clientset, namespace string, replicaSetName string, clusters map[string]*cluster) {
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err := waitForReplicaSet(c, namespace, replicaSetName, clusters)
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framework.ExpectNoError(err, "Failed to verify replicaset %q/%q, err: %v", namespace, replicaSetName, err)
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}
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func waitForReplicaSet(c *federation_release_1_4.Clientset, namespace string, replicaSetName string, clusters map[string]*cluster) error {
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err := wait.Poll(10*time.Second, FederatedReplicaSetTimeout, func() (bool, error) {
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frs, err := c.ReplicaSets(namespace).Get(replicaSetName)
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if err != nil {
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return false, err
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}
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specReplicas, statusReplicas := int32(0), int32(0)
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for _, cluster := range clusters {
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rs, err := cluster.ReplicaSets(namespace).Get(replicaSetName)
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if err != nil && !errors.IsNotFound(err) {
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By(fmt.Sprintf("Failed getting replicaset: %q/%q/%q, err: %v", cluster.name, namespace, replicaSetName, err))
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return false, err
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}
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if err == nil {
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if !equivalentReplicaSet(frs, rs) {
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By(fmt.Sprintf("Replicaset meta or spec not match for cluster %q:\n federation: %v\n cluster: %v", cluster.name, frs, rs))
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return false, nil
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}
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specReplicas += *rs.Spec.Replicas
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statusReplicas += rs.Status.Replicas
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}
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}
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if statusReplicas == frs.Status.Replicas && specReplicas >= *frs.Spec.Replicas {
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return true, nil
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}
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By(fmt.Sprintf("Replicas not match, federation replicas: %v/%v, clusters replicas: %v/%v\n", *frs.Spec.Replicas, frs.Status.Replicas, specReplicas, statusReplicas))
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return false, nil
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})
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return err
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}
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func equivalentReplicaSet(fedReplicaSet, localReplicaSet *v1beta1.ReplicaSet) bool {
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localReplicaSetSpec := localReplicaSet.Spec
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localReplicaSetSpec.Replicas = fedReplicaSet.Spec.Replicas
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return fedutil.ObjectMetaEquivalent(fedReplicaSet.ObjectMeta, localReplicaSet.ObjectMeta) &&
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reflect.DeepEqual(fedReplicaSet.Spec, localReplicaSetSpec)
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}
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func createReplicaSetOrFail(clientset *federation_release_1_4.Clientset, namespace string) *v1beta1.ReplicaSet {
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if clientset == nil || len(namespace) == 0 {
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Fail(fmt.Sprintf("Internal error: invalid parameters passed to createReplicaSetOrFail: clientset: %v, namespace: %v", clientset, namespace))
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}
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By(fmt.Sprintf("Creating federation replicaset %q in namespace %q", FederationReplicaSetName, namespace))
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replicaset := newReplicaSet(namespace, FederationReplicaSetName, 5)
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_, err := clientset.Extensions().ReplicaSets(namespace).Create(replicaset)
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framework.ExpectNoError(err, "Creating replicaset %q in namespace %q", replicaset.Name, namespace)
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By(fmt.Sprintf("Successfully created federation replicaset %q in namespace %q", FederationReplicaSetName, namespace))
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return replicaset
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}
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func updateReplicaSetOrFail(clientset *federation_release_1_4.Clientset, namespace string) *v1beta1.ReplicaSet {
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if clientset == nil || len(namespace) == 0 {
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Fail(fmt.Sprintf("Internal error: invalid parameters passed to updateReplicaSetOrFail: clientset: %v, namespace: %v", clientset, namespace))
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}
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By(fmt.Sprintf("Updating federation replicaset %q in namespace %q", FederationReplicaSetName, namespace))
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replicaset := newReplicaSet(namespace, FederationReplicaSetName, 15)
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newRs, err := clientset.ReplicaSets(namespace).Update(replicaset)
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framework.ExpectNoError(err, "Updating replicaset %q in namespace %q", replicaset.Name, namespace)
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By(fmt.Sprintf("Successfully updated federation replicaset %q in namespace %q", FederationReplicaSetName, namespace))
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return newRs
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}
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func newReplicaSet(namespace string, name string, replicas int32) *v1beta1.ReplicaSet {
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return &v1beta1.ReplicaSet{
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ObjectMeta: v1.ObjectMeta{
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Name: name,
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Namespace: namespace,
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},
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Spec: v1beta1.ReplicaSetSpec{
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Replicas: &replicas,
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Selector: &v1beta1.LabelSelector{
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MatchLabels: map[string]string{"name": "myrs"},
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},
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Template: v1.PodTemplateSpec{
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ObjectMeta: v1.ObjectMeta{
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Labels: map[string]string{"name": "myrs"},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: "nginx",
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Image: "nginx",
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},
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},
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},
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},
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},
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}
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}
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