vendor files

vendor/k8s.io/kubernetes/test/e2e/upgrades/apps/BUILD

@@ -0,0 +1,49 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "daemonsets.go",
+        "deployments.go",
+        "job.go",
+        "replicasets.go",
+        "statefulset.go",
+    ],
+    importpath = "k8s.io/kubernetes/test/e2e/upgrades/apps",
+    deps = [
+        "//pkg/controller:go_default_library",
+        "//pkg/controller/deployment/util:go_default_library",
+        "//pkg/util/version:go_default_library",
+        "//test/e2e/framework:go_default_library",
+        "//test/e2e/upgrades:go_default_library",
+        "//test/utils/image:go_default_library",
+        "//vendor/github.com/onsi/ginkgo:go_default_library",
+        "//vendor/github.com/onsi/gomega:go_default_library",
+        "//vendor/k8s.io/api/apps/v1beta1:go_default_library",
+        "//vendor/k8s.io/api/batch/v1:go_default_library",
+        "//vendor/k8s.io/api/core/v1:go_default_library",
+        "//vendor/k8s.io/api/extensions/v1beta1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/labels:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/types:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/test/e2e/upgrades/apps/daemonsets.go

@@ -0,0 +1,182 @@
+/*
+Copyright 2017 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 upgrades
+
+import (
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"k8s.io/kubernetes/pkg/controller"
+
+	"k8s.io/api/core/v1"
+
+	extensions "k8s.io/api/extensions/v1beta1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/kubernetes/test/e2e/framework"
+	"k8s.io/kubernetes/test/e2e/upgrades"
+
+	. "github.com/onsi/ginkgo"
+)
+
+// DaemonSetUpgradeTest tests that a DaemonSet is running before and after
+// a cluster upgrade.
+type DaemonSetUpgradeTest struct {
+	daemonSet *extensions.DaemonSet
+}
+
+func (DaemonSetUpgradeTest) Name() string { return "[sig-apps] daemonset-upgrade" }
+
+// Setup creates a DaemonSet and verifies that it's running
+func (t *DaemonSetUpgradeTest) Setup(f *framework.Framework) {
+	daemonSetName := "ds1"
+	labelSet := map[string]string{"ds-name": daemonSetName}
+	image := framework.ServeHostnameImage
+
+	ns := f.Namespace
+
+	t.daemonSet = &extensions.DaemonSet{
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace: ns.Name,
+			Name:      daemonSetName,
+		},
+		Spec: extensions.DaemonSetSpec{
+			Template: v1.PodTemplateSpec{
+				ObjectMeta: metav1.ObjectMeta{
+					Labels: labelSet,
+				},
+				Spec: v1.PodSpec{
+					Containers: []v1.Container{
+						{
+							Name:  daemonSetName,
+							Image: image,
+							Ports: []v1.ContainerPort{{ContainerPort: 9376}},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	By("Creating a DaemonSet")
+	var err error
+	if t.daemonSet, err = f.ClientSet.ExtensionsV1beta1().DaemonSets(ns.Name).Create(t.daemonSet); err != nil {
+		framework.Failf("unable to create test DaemonSet %s: %v", t.daemonSet.Name, err)
+	}
+
+	By("Waiting for DaemonSet pods to become ready")
+	err = wait.Poll(framework.Poll, framework.PodStartTimeout, func() (bool, error) {
+		return checkRunningOnAllNodes(f, t.daemonSet.Namespace, t.daemonSet.Labels)
+	})
+	framework.ExpectNoError(err)
+
+	By("Validating the DaemonSet after creation")
+	t.validateRunningDaemonSet(f)
+}
+
+// Test waits until the upgrade has completed and then verifies that the DaemonSet
+// is still running
+func (t *DaemonSetUpgradeTest) Test(f *framework.Framework, done <-chan struct{}, upgrade upgrades.UpgradeType) {
+	By("Waiting for upgradet to complete before re-validating DaemonSet")
+	<-done
+
+	By("validating the DaemonSet is still running after upgrade")
+	t.validateRunningDaemonSet(f)
+}
+
+// Teardown cleans up any remaining resources.
+func (t *DaemonSetUpgradeTest) Teardown(f *framework.Framework) {
+	// rely on the namespace deletion to clean up everything
+}
+
+func (t *DaemonSetUpgradeTest) validateRunningDaemonSet(f *framework.Framework) {
+	By("confirming the DaemonSet pods are running on all expected nodes")
+	res, err := checkRunningOnAllNodes(f, t.daemonSet.Namespace, t.daemonSet.Labels)
+	framework.ExpectNoError(err)
+	if !res {
+		framework.Failf("expected DaemonSet pod to be running on all nodes, it was not")
+	}
+
+	// DaemonSet resource itself should be good
+	By("confirming the DaemonSet resource is in a good state")
+	res, err = checkDaemonStatus(f, t.daemonSet.Namespace, t.daemonSet.Name)
+	framework.ExpectNoError(err)
+	if !res {
+		framework.Failf("expected DaemonSet to be in a good state, it was not")
+	}
+}
+
+func checkRunningOnAllNodes(f *framework.Framework, namespace string, selector map[string]string) (bool, error) {
+	nodeList, err := f.ClientSet.Core().Nodes().List(metav1.ListOptions{})
+	if err != nil {
+		return false, err
+	}
+
+	nodeNames := make([]string, 0)
+	for _, node := range nodeList.Items {
+		if len(node.Spec.Taints) == 0 {
+			nodeNames = append(nodeNames, node.Name)
+		} else {
+			framework.Logf("Node %v not expected to have DaemonSet pod, has taints %v", node.Name, node.Spec.Taints)
+		}
+	}
+
+	return checkDaemonPodOnNodes(f, namespace, selector, nodeNames)
+}
+
+func checkDaemonPodOnNodes(f *framework.Framework, namespace string, labelSet map[string]string, nodeNames []string) (bool, error) {
+	selector := labels.Set(labelSet).AsSelector()
+	options := metav1.ListOptions{LabelSelector: selector.String()}
+	podList, err := f.ClientSet.Core().Pods(namespace).List(options)
+	if err != nil {
+		return false, err
+	}
+	pods := podList.Items
+
+	nodesToPodCount := make(map[string]int)
+	for _, pod := range pods {
+		if controller.IsPodActive(&pod) {
+			framework.Logf("Pod name: %v\t Node Name: %v", pod.Name, pod.Spec.NodeName)
+			nodesToPodCount[pod.Spec.NodeName]++
+		}
+	}
+	framework.Logf("nodesToPodCount: %v", nodesToPodCount)
+
+	// Ensure that exactly 1 pod is running on all nodes in nodeNames.
+	for _, nodeName := range nodeNames {
+		if nodesToPodCount[nodeName] != 1 {
+			return false, nil
+		}
+	}
+
+	// Ensure that sizes of the lists are the same. We've verified that every element of nodeNames is in
+	// nodesToPodCount, so verifying the lengths are equal ensures that there aren't pods running on any
+	// other nodes.
+	return len(nodesToPodCount) == len(nodeNames), nil
+}
+
+func checkDaemonStatus(f *framework.Framework, namespace string, dsName string) (bool, error) {
+	ds, err := f.ClientSet.ExtensionsV1beta1().DaemonSets(namespace).Get(dsName, metav1.GetOptions{})
+	if err != nil {
+		return false, err
+	}
+
+	desired, scheduled, ready := ds.Status.DesiredNumberScheduled, ds.Status.CurrentNumberScheduled, ds.Status.NumberReady
+	if desired != scheduled && desired != ready {
+		return false, nil
+	}
+
+	return true, nil
+}

vendor/k8s.io/kubernetes/test/e2e/upgrades/apps/deployments.go

@@ -0,0 +1,172 @@
+/*
+Copyright 2017 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 upgrades
+
+import (
+	"fmt"
+
+	extensions "k8s.io/api/extensions/v1beta1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+	deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
+	"k8s.io/kubernetes/test/e2e/framework"
+	"k8s.io/kubernetes/test/e2e/upgrades"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	imageutils "k8s.io/kubernetes/test/utils/image"
+)
+
+const (
+	deploymentName = "dp"
+)
+
+// TODO: Test that the deployment stays available during master (and maybe
+// node and cluster upgrades).
+
+// DeploymentUpgradeTest tests that a deployment is using the same replica
+// sets before and after a cluster upgrade.
+type DeploymentUpgradeTest struct {
+	oldDeploymentUID types.UID
+	oldRSUID         types.UID
+	newRSUID         types.UID
+}
+
+func (DeploymentUpgradeTest) Name() string { return "[sig-apps] deployment-upgrade" }
+
+// Setup creates a deployment and makes sure it has a new and an old replicaset running.
+func (t *DeploymentUpgradeTest) Setup(f *framework.Framework) {
+	c := f.ClientSet
+	nginxImage := imageutils.GetE2EImage(imageutils.NginxSlim)
+
+	ns := f.Namespace.Name
+	deploymentClient := c.ExtensionsV1beta1().Deployments(ns)
+	rsClient := c.ExtensionsV1beta1().ReplicaSets(ns)
+
+	By(fmt.Sprintf("Creating a deployment %q with 1 replica in namespace %q", deploymentName, ns))
+	d := framework.NewDeployment(deploymentName, int32(1), map[string]string{"test": "upgrade"}, "nginx", nginxImage, extensions.RollingUpdateDeploymentStrategyType)
+	deployment, err := deploymentClient.Create(d)
+	framework.ExpectNoError(err)
+
+	By(fmt.Sprintf("Waiting deployment %q to complete", deploymentName))
+	framework.ExpectNoError(framework.WaitForDeploymentComplete(c, deployment))
+
+	By(fmt.Sprintf("Getting replicaset revision 1 of deployment %q", deploymentName))
+	rsSelector, err := metav1.LabelSelectorAsSelector(d.Spec.Selector)
+	framework.ExpectNoError(err)
+	rsList, err := rsClient.List(metav1.ListOptions{LabelSelector: rsSelector.String()})
+	framework.ExpectNoError(err)
+	rss := rsList.Items
+	if len(rss) != 1 {
+		framework.ExpectNoError(fmt.Errorf("expected one replicaset, got %d", len(rss)))
+	}
+	t.oldRSUID = rss[0].UID
+
+	By(fmt.Sprintf("Waiting for revision of the deployment %q to become 1", deploymentName))
+	framework.ExpectNoError(framework.WaitForDeploymentRevision(c, deployment, "1"))
+
+	// Trigger a new rollout so that we have some history.
+	By(fmt.Sprintf("Triggering a new rollout for deployment %q", deploymentName))
+	deployment, err = framework.UpdateDeploymentWithRetries(c, ns, deploymentName, func(update *extensions.Deployment) {
+		update.Spec.Template.Spec.Containers[0].Name = "updated-name"
+	})
+	framework.ExpectNoError(err)
+
+	By(fmt.Sprintf("Waiting deployment %q to complete", deploymentName))
+	framework.ExpectNoError(framework.WaitForDeploymentComplete(c, deployment))
+
+	By(fmt.Sprintf("Getting replicasets revision 1 and 2 of deployment %q", deploymentName))
+	rsList, err = rsClient.List(metav1.ListOptions{LabelSelector: rsSelector.String()})
+	framework.ExpectNoError(err)
+	rss = rsList.Items
+	if len(rss) != 2 {
+		framework.ExpectNoError(fmt.Errorf("expected 2 replicaset, got %d", len(rss)))
+	}
+
+	By(fmt.Sprintf("Checking replicaset of deployment %q that is created before rollout survives the rollout", deploymentName))
+	switch t.oldRSUID {
+	case rss[0].UID:
+		t.newRSUID = rss[1].UID
+	case rss[1].UID:
+		t.newRSUID = rss[0].UID
+	default:
+		framework.ExpectNoError(fmt.Errorf("old replicaset with UID %q does not survive rollout", t.oldRSUID))
+	}
+
+	By(fmt.Sprintf("Waiting for revision of the deployment %q to become 2", deploymentName))
+	framework.ExpectNoError(framework.WaitForDeploymentRevision(c, deployment, "2"))
+
+	t.oldDeploymentUID = deployment.UID
+}
+
+// Test checks whether the replicasets for a deployment are the same after an upgrade.
+func (t *DeploymentUpgradeTest) Test(f *framework.Framework, done <-chan struct{}, upgrade upgrades.UpgradeType) {
+	// Block until upgrade is done
+	By(fmt.Sprintf("Waiting for upgrade to finish before checking replicasets for deployment %q", deploymentName))
+	<-done
+
+	c := f.ClientSet
+	ns := f.Namespace.Name
+	deploymentClient := c.ExtensionsV1beta1().Deployments(ns)
+	rsClient := c.ExtensionsV1beta1().ReplicaSets(ns)
+
+	deployment, err := deploymentClient.Get(deploymentName, metav1.GetOptions{})
+	framework.ExpectNoError(err)
+
+	By(fmt.Sprintf("Checking UID to verify deployment %q survives upgrade", deploymentName))
+	Expect(deployment.UID).To(Equal(t.oldDeploymentUID))
+
+	By(fmt.Sprintf("Verifying deployment %q does not create new replicasets", deploymentName))
+	rsSelector, err := metav1.LabelSelectorAsSelector(deployment.Spec.Selector)
+	framework.ExpectNoError(err)
+	rsList, err := rsClient.List(metav1.ListOptions{LabelSelector: rsSelector.String()})
+	framework.ExpectNoError(err)
+	rss := rsList.Items
+	if len(rss) != 2 {
+		framework.ExpectNoError(fmt.Errorf("expected 2 replicaset, got %d", len(rss)))
+	}
+
+	switch t.oldRSUID {
+	case rss[0].UID:
+		Expect(rss[1].UID).To(Equal(t.newRSUID))
+	case rss[1].UID:
+		Expect(rss[0].UID).To(Equal(t.newRSUID))
+	default:
+		framework.ExpectNoError(fmt.Errorf("new replicasets are created during upgrade of deployment %q", deploymentName))
+	}
+
+	By(fmt.Sprintf("Verifying revision of the deployment %q is still 2", deploymentName))
+	Expect(deployment.Annotations[deploymentutil.RevisionAnnotation]).To(Equal("2"))
+
+	By(fmt.Sprintf("Waiting for deployment %q to complete adoption", deploymentName))
+	framework.ExpectNoError(framework.WaitForDeploymentComplete(c, deployment))
+
+	// Verify the upgraded deployment is active by scaling up the deployment by 1
+	By(fmt.Sprintf("Scaling up replicaset of deployment %q by 1", deploymentName))
+	_, err = framework.UpdateDeploymentWithRetries(c, ns, deploymentName, func(deployment *extensions.Deployment) {
+		*deployment.Spec.Replicas = *deployment.Spec.Replicas + 1
+	})
+	framework.ExpectNoError(err)
+
+	By(fmt.Sprintf("Waiting for deployment %q to complete after scaling", deploymentName))
+	framework.ExpectNoError(framework.WaitForDeploymentComplete(c, deployment))
+}
+
+// Teardown cleans up any remaining resources.
+func (t *DeploymentUpgradeTest) Teardown(f *framework.Framework) {
+	// rely on the namespace deletion to clean up everything
+}

vendor/k8s.io/kubernetes/test/e2e/upgrades/apps/job.go

@@ -0,0 +1,64 @@
+/*
+Copyright 2017 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 upgrades
+
+import (
+	batch "k8s.io/api/batch/v1"
+	"k8s.io/api/core/v1"
+	"k8s.io/kubernetes/test/e2e/framework"
+	"k8s.io/kubernetes/test/e2e/upgrades"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+// JobUpgradeTest is a test harness for batch Jobs.
+type JobUpgradeTest struct {
+	job       *batch.Job
+	namespace string
+}
+
+func (JobUpgradeTest) Name() string { return "[sig-apps] job-upgrade" }
+
+// Setup starts a Job with a parallelism of 2 and 2 completions running.
+func (t *JobUpgradeTest) Setup(f *framework.Framework) {
+	t.namespace = f.Namespace.Name
+
+	By("Creating a job")
+	t.job = framework.NewTestJob("notTerminate", "foo", v1.RestartPolicyOnFailure, 2, 2, nil, 6)
+	job, err := framework.CreateJob(f.ClientSet, t.namespace, t.job)
+	t.job = job
+	Expect(err).NotTo(HaveOccurred())
+
+	By("Ensuring active pods == parallelism")
+	err = framework.WaitForAllJobPodsRunning(f.ClientSet, t.namespace, job.Name, 2)
+	Expect(err).NotTo(HaveOccurred())
+}
+
+// Test verifies that the Jobs Pods are running after the an upgrade
+func (t *JobUpgradeTest) Test(f *framework.Framework, done <-chan struct{}, upgrade upgrades.UpgradeType) {
+	<-done
+	By("Ensuring active pods == parallelism")
+	running, err := framework.CheckForAllJobPodsRunning(f.ClientSet, t.namespace, t.job.Name, 2)
+	Expect(err).NotTo(HaveOccurred())
+	Expect(running).To(BeTrue())
+}
+
+// Teardown cleans up any remaining resources.
+func (t *JobUpgradeTest) Teardown(f *framework.Framework) {
+	// rely on the namespace deletion to clean up everything
+}

vendor/k8s.io/kubernetes/test/e2e/upgrades/apps/replicasets.go

@@ -0,0 +1,101 @@
+/*
+Copyright 2017 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 upgrades
+
+import (
+	"fmt"
+	"time"
+
+	extensions "k8s.io/api/extensions/v1beta1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/kubernetes/test/e2e/framework"
+	"k8s.io/kubernetes/test/e2e/upgrades"
+
+	. "github.com/onsi/ginkgo"
+	imageutils "k8s.io/kubernetes/test/utils/image"
+)
+
+const (
+	interval = 10 * time.Second
+	timeout  = 5 * time.Minute
+	rsName   = "rs"
+	scaleNum = 2
+)
+
+// TODO: Test that the replicaset stays available during master (and maybe
+// node and cluster upgrades).
+
+// ReplicaSetUpgradeTest tests that a replicaset survives upgrade.
+type ReplicaSetUpgradeTest struct {
+	UID types.UID
+}
+
+func (ReplicaSetUpgradeTest) Name() string { return "[sig-apps] replicaset-upgrade" }
+
+func (r *ReplicaSetUpgradeTest) Setup(f *framework.Framework) {
+	c := f.ClientSet
+	ns := f.Namespace.Name
+	nginxImage := imageutils.GetE2EImage(imageutils.NginxSlim)
+
+	By(fmt.Sprintf("Creating replicaset %s in namespace %s", rsName, ns))
+	replicaSet := framework.NewReplicaSet(rsName, ns, 1, map[string]string{"test": "upgrade"}, "nginx", nginxImage)
+	rs, err := c.Extensions().ReplicaSets(ns).Create(replicaSet)
+	framework.ExpectNoError(err)
+
+	By(fmt.Sprintf("Waiting for replicaset %s to have all of its replicas ready", rsName))
+	framework.ExpectNoError(framework.WaitForReadyReplicaSet(c, ns, rsName))
+
+	r.UID = rs.UID
+}
+
+// Test checks whether the replicasets are the same after an upgrade.
+func (r *ReplicaSetUpgradeTest) Test(f *framework.Framework, done <-chan struct{}, upgrade upgrades.UpgradeType) {
+	c := f.ClientSet
+	ns := f.Namespace.Name
+	rsClient := c.Extensions().ReplicaSets(ns)
+
+	// Block until upgrade is done
+	By(fmt.Sprintf("Waiting for upgrade to finish before checking replicaset %s", rsName))
+	<-done
+
+	// Verify the RS is the same (survives) after the upgrade
+	By(fmt.Sprintf("Checking UID to verify replicaset %s survives upgrade", rsName))
+	upgradedRS, err := rsClient.Get(rsName, metav1.GetOptions{})
+	framework.ExpectNoError(err)
+	if upgradedRS.UID != r.UID {
+		framework.ExpectNoError(fmt.Errorf("expected same replicaset UID: %v got: %v", r.UID, upgradedRS.UID))
+	}
+
+	By(fmt.Sprintf("Waiting for replicaset %s to have all of its replicas ready after upgrade", rsName))
+	framework.ExpectNoError(framework.WaitForReadyReplicaSet(c, ns, rsName))
+
+	// Verify the upgraded RS is active by scaling up the RS to scaleNum and ensuring all pods are Ready
+	By(fmt.Sprintf("Scaling up replicaset %s to %d", rsName, scaleNum))
+	_, err = framework.UpdateReplicaSetWithRetries(c, ns, rsName, func(rs *extensions.ReplicaSet) {
+		*rs.Spec.Replicas = scaleNum
+	})
+	framework.ExpectNoError(err)
+
+	By(fmt.Sprintf("Waiting for replicaset %s to have all of its replicas ready after scaling", rsName))
+	framework.ExpectNoError(framework.WaitForReadyReplicaSet(c, ns, rsName))
+}
+
+// Teardown cleans up any remaining resources.
+func (r *ReplicaSetUpgradeTest) Teardown(f *framework.Framework) {
+	// rely on the namespace deletion to clean up everything
+}

vendor/k8s.io/kubernetes/test/e2e/upgrades/apps/statefulset.go

@@ -0,0 +1,114 @@
+/*
+Copyright 2017 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 upgrades
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+
+	apps "k8s.io/api/apps/v1beta1"
+	"k8s.io/api/core/v1"
+	"k8s.io/kubernetes/pkg/util/version"
+
+	"k8s.io/kubernetes/test/e2e/framework"
+	"k8s.io/kubernetes/test/e2e/upgrades"
+)
+
+// StatefulSetUpgradeTest implements an upgrade test harness for StatefulSet upgrade testing.
+type StatefulSetUpgradeTest struct {
+	tester  *framework.StatefulSetTester
+	service *v1.Service
+	set     *apps.StatefulSet
+}
+
+func (StatefulSetUpgradeTest) Name() string { return "[sig-apps] statefulset-upgrade" }
+
+func (StatefulSetUpgradeTest) Skip(upgCtx upgrades.UpgradeContext) bool {
+	minVersion := version.MustParseSemantic("1.5.0")
+
+	for _, vCtx := range upgCtx.Versions {
+		if vCtx.Version.LessThan(minVersion) {
+			return true
+		}
+	}
+	return false
+}
+
+// Setup creates a StatefulSet and a HeadlessService. It verifies the basic SatefulSet properties
+func (t *StatefulSetUpgradeTest) Setup(f *framework.Framework) {
+	ssName := "ss"
+	labels := map[string]string{
+		"foo": "bar",
+		"baz": "blah",
+	}
+	headlessSvcName := "test"
+	statefulPodMounts := []v1.VolumeMount{{Name: "datadir", MountPath: "/data/"}}
+	podMounts := []v1.VolumeMount{{Name: "home", MountPath: "/home"}}
+	ns := f.Namespace.Name
+	t.set = framework.NewStatefulSet(ssName, ns, headlessSvcName, 2, statefulPodMounts, podMounts, labels)
+	t.service = framework.CreateStatefulSetService(ssName, labels)
+	*(t.set.Spec.Replicas) = 3
+	t.tester = framework.NewStatefulSetTester(f.ClientSet)
+	t.tester.PauseNewPods(t.set)
+
+	By("Creating service " + headlessSvcName + " in namespace " + ns)
+	_, err := f.ClientSet.Core().Services(ns).Create(t.service)
+	Expect(err).NotTo(HaveOccurred())
+
+	By("Creating statefulset " + ssName + " in namespace " + ns)
+	*(t.set.Spec.Replicas) = 3
+	_, err = f.ClientSet.AppsV1beta1().StatefulSets(ns).Create(t.set)
+	Expect(err).NotTo(HaveOccurred())
+
+	By("Saturating stateful set " + t.set.Name)
+	t.tester.Saturate(t.set)
+	t.verify()
+	t.restart()
+	t.verify()
+}
+
+// Waits for the upgrade to complete and verifies the StatefulSet basic functionality
+func (t *StatefulSetUpgradeTest) Test(f *framework.Framework, done <-chan struct{}, upgrade upgrades.UpgradeType) {
+	<-done
+	t.verify()
+}
+
+// Deletes all StatefulSets
+func (t *StatefulSetUpgradeTest) Teardown(f *framework.Framework) {
+	framework.DeleteAllStatefulSets(f.ClientSet, t.set.Name)
+}
+
+func (t *StatefulSetUpgradeTest) verify() {
+	By("Verifying statefulset mounted data directory is usable")
+	framework.ExpectNoError(t.tester.CheckMount(t.set, "/data"))
+
+	By("Verifying statefulset provides a stable hostname for each pod")
+	framework.ExpectNoError(t.tester.CheckHostname(t.set))
+
+	By("Verifying statefulset set proper service name")
+	framework.ExpectNoError(t.tester.CheckServiceName(t.set, t.set.Spec.ServiceName))
+
+	cmd := "echo $(hostname) > /data/hostname; sync;"
+	By("Running " + cmd + " in all stateful pods")
+	framework.ExpectNoError(t.tester.ExecInStatefulPods(t.set, cmd))
+}
+
+func (t *StatefulSetUpgradeTest) restart() {
+	By("Restarting statefulset " + t.set.Name)
+	t.tester.Restart(t.set)
+	t.tester.WaitForRunningAndReady(*t.set.Spec.Replicas, t.set)
+}