adding updater e2e test

vertical-pod-autoscaler/e2e/v1/updater.go

@@ -0,0 +1,90 @@
+/*
+Copyright 2020 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 autoscaling
+
+import (
+	"fmt"
+	"time"
+
+	autoscaling "k8s.io/api/autoscaling/v1"
+	apiv1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	vpa_types "k8s.io/autoscaler/vertical-pod-autoscaler/pkg/apis/autoscaling.k8s.io/v1"
+	"k8s.io/autoscaler/vertical-pod-autoscaler/pkg/utils/status"
+	"k8s.io/kubernetes/test/e2e/framework"
+
+	"github.com/onsi/ginkgo"
+	"github.com/onsi/gomega"
+)
+
+var _ = UpdaterE2eDescribe("Updater", func() {
+	f := framework.NewDefaultFramework("vertical-pod-autoscaling")
+
+	ginkgo.It("evicts pods when Admission Controller status available", func() {
+		const statusUpdateInterval = 10 * time.Second
+
+		ginkgo.By("Setting up the Admission Controller status")
+		stopCh := make(chan struct{})
+		statusUpdater := status.NewUpdater(
+			f.ClientSet,
+			status.AdmissionControllerStatusName,
+			status.AdmissionControllerStatusNamespace,
+			statusUpdateInterval,
+			"e2e test",
+		)
+		defer func() {
+			// We should clean up the Admission Controller status.
+			// Status is created outside the test namespace.
+			ginkgo.By("Deleting the Admission Controller status")
+			close(stopCh)
+			err := f.ClientSet.CoordinationV1().Leases(status.AdmissionControllerStatusNamespace).
+				Delete(status.AdmissionControllerStatusName, &metav1.DeleteOptions{})
+			gomega.Expect(err).NotTo(gomega.HaveOccurred())
+		}()
+		statusUpdater.Run(stopCh)
+
+		podList := setupPodsForEviction(f)
+
+		ginkgo.By("Waiting for pods to be evicted")
+		err := WaitForPodsEvicted(f, podList)
+		gomega.Expect(err).NotTo(gomega.HaveOccurred())
+	})
+
+	ginkgo.It("doesn't evict pods when Admission Controller status unavailable", func() {
+		podList := setupPodsForEviction(f)
+
+		ginkgo.By(fmt.Sprintf("Waiting for pods to be evicted, hoping it won't happen, sleep for %s", VpaEvictionTimeout.String()))
+		CheckNoPodsEvicted(f, MakePodSet(podList))
+	})
+})
+
+func setupPodsForEviction(f *framework.Framework) *apiv1.PodList {
+	controller := &autoscaling.CrossVersionObjectReference{
+		APIVersion: "apps/v1",
+		Kind:       "Deployment",
+		Name:       "hamster-deployment",
+	}
+	ginkgo.By(fmt.Sprintf("Setting up a hamster %v", controller.Kind))
+	setupHamsterController(f, controller.Kind, "100m", "100Mi", defaultHamsterReplicas)
+	podList, err := GetHamsterPods(f)
+	gomega.Expect(err).NotTo(gomega.HaveOccurred())
+
+	ginkgo.By("Setting up a VPA CRD")
+	SetupVPA(f, "200m", vpa_types.UpdateModeAuto, controller)
+
+	return podList
+}

vertical-pod-autoscaler/e2e/v1beta2/updater.go

@@ -0,0 +1,90 @@
+/*
+Copyright 2020 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 autoscaling
+
+import (
+	"fmt"
+	"time"
+
+	autoscaling "k8s.io/api/autoscaling/v1"
+	apiv1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	vpa_types "k8s.io/autoscaler/vertical-pod-autoscaler/pkg/apis/autoscaling.k8s.io/v1beta2"
+	"k8s.io/autoscaler/vertical-pod-autoscaler/pkg/utils/status"
+	"k8s.io/kubernetes/test/e2e/framework"
+
+	"github.com/onsi/ginkgo"
+	"github.com/onsi/gomega"
+)
+
+var _ = UpdaterE2eDescribe("Updater", func() {
+	f := framework.NewDefaultFramework("vertical-pod-autoscaling")
+
+	ginkgo.It("evicts pods when Admission Controller status available", func() {
+		const statusUpdateInterval = 10 * time.Second
+
+		ginkgo.By("Setting up the Admission Controller status")
+		stopCh := make(chan struct{})
+		statusUpdater := status.NewUpdater(
+			f.ClientSet,
+			status.AdmissionControllerStatusName,
+			status.AdmissionControllerStatusNamespace,
+			statusUpdateInterval,
+			"e2e test",
+		)
+		defer func() {
+			// We should clean up the Admission Controller status.
+			// Status is created outside the test namespace.
+			ginkgo.By("Deleting the Admission Controller status")
+			close(stopCh)
+			err := f.ClientSet.CoordinationV1().Leases(status.AdmissionControllerStatusNamespace).
+				Delete(status.AdmissionControllerStatusName, &metav1.DeleteOptions{})
+			gomega.Expect(err).NotTo(gomega.HaveOccurred())
+		}()
+		statusUpdater.Run(stopCh)
+
+		podList := setupPodsForEviction(f)
+
+		ginkgo.By("Waiting for pods to be evicted")
+		err := WaitForPodsEvicted(f, podList)
+		gomega.Expect(err).NotTo(gomega.HaveOccurred())
+	})
+
+	ginkgo.It("doesn't evict pods when Admission Controller status unavailable", func() {
+		podList := setupPodsForEviction(f)
+
+		ginkgo.By(fmt.Sprintf("Waiting for pods to be evicted, hoping it won't happen, sleep for %s", VpaEvictionTimeout.String()))
+		CheckNoPodsEvicted(f, MakePodSet(podList))
+	})
+})
+
+func setupPodsForEviction(f *framework.Framework) *apiv1.PodList {
+	controller := &autoscaling.CrossVersionObjectReference{
+		APIVersion: "apps/v1",
+		Kind:       "Deployment",
+		Name:       "hamster-deployment",
+	}
+	ginkgo.By(fmt.Sprintf("Setting up a hamster %v", controller.Kind))
+	setupHamsterController(f, controller.Kind, "100m", "100Mi", defaultHamsterReplicas)
+	podList, err := GetHamsterPods(f)
+	gomega.Expect(err).NotTo(gomega.HaveOccurred())
+
+	ginkgo.By("Setting up a VPA CRD")
+	SetupVPA(f, "200m", vpa_types.UpdateModeAuto, controller)
+
+	return podList
+}