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0b9fa1146f
When test/e2e/framework/service was first created, a lot of service test code got crammed into TestJig even though it didn't use any of TestJig's members. Make that code available outside of TestJig.
128 lines
4.5 KiB
Go
128 lines
4.5 KiB
Go
/*
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Copyright 2017 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 upgrades
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import (
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/kubernetes/test/e2e/framework"
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e2eservice "k8s.io/kubernetes/test/e2e/framework/service"
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"github.com/onsi/ginkgo"
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)
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// ServiceUpgradeTest tests that a service is available before and
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// after a cluster upgrade. During a master-only upgrade, it will test
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// that a service remains available during the upgrade.
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type ServiceUpgradeTest struct {
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jig *e2eservice.TestJig
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tcpService *v1.Service
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tcpIngressIP string
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svcPort int
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}
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// Name returns the tracking name of the test.
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func (ServiceUpgradeTest) Name() string { return "service-upgrade" }
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func shouldTestPDBs() bool { return framework.ProviderIs("gce", "gke") }
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// Setup creates a service with a load balancer and makes sure it's reachable.
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func (t *ServiceUpgradeTest) Setup(f *framework.Framework) {
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serviceName := "service-test"
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jig := e2eservice.NewTestJig(f.ClientSet, serviceName)
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ns := f.Namespace
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ginkgo.By("creating a TCP service " + serviceName + " with type=LoadBalancer in namespace " + ns.Name)
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tcpService := jig.CreateTCPServiceOrFail(ns.Name, func(s *v1.Service) {
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s.Spec.Type = v1.ServiceTypeLoadBalancer
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})
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tcpService = jig.WaitForLoadBalancerOrFail(ns.Name, tcpService.Name, e2eservice.LoadBalancerCreateTimeoutDefault)
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jig.SanityCheckService(tcpService, v1.ServiceTypeLoadBalancer)
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// Get info to hit it with
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tcpIngressIP := e2eservice.GetIngressPoint(&tcpService.Status.LoadBalancer.Ingress[0])
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svcPort := int(tcpService.Spec.Ports[0].Port)
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ginkgo.By("creating pod to be part of service " + serviceName)
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rc := jig.RunOrFail(ns.Name, jig.AddRCAntiAffinity)
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if shouldTestPDBs() {
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ginkgo.By("creating a PodDisruptionBudget to cover the ReplicationController")
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jig.CreatePDBOrFail(ns.Name, rc)
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}
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// Hit it once before considering ourselves ready
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ginkgo.By("hitting the pod through the service's LoadBalancer")
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timeout := e2eservice.LoadBalancerLagTimeoutDefault
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if framework.ProviderIs("aws") {
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timeout = e2eservice.LoadBalancerLagTimeoutAWS
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}
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e2eservice.TestReachableHTTP(tcpIngressIP, svcPort, timeout)
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t.jig = jig
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t.tcpService = tcpService
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t.tcpIngressIP = tcpIngressIP
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t.svcPort = svcPort
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}
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// Test runs a connectivity check to the service.
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func (t *ServiceUpgradeTest) Test(f *framework.Framework, done <-chan struct{}, upgrade UpgradeType) {
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switch upgrade {
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case MasterUpgrade, ClusterUpgrade:
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t.test(f, done, true, true)
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case NodeUpgrade:
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// Node upgrades should test during disruption only on GCE/GKE for now.
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t.test(f, done, shouldTestPDBs(), false)
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default:
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t.test(f, done, false, false)
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}
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}
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// Teardown cleans up any remaining resources.
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func (t *ServiceUpgradeTest) Teardown(f *framework.Framework) {
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// rely on the namespace deletion to clean up everything
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}
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func (t *ServiceUpgradeTest) test(f *framework.Framework, done <-chan struct{}, testDuringDisruption, testFinalizer bool) {
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if testDuringDisruption {
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// Continuous validation
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ginkgo.By("continuously hitting the pod through the service's LoadBalancer")
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wait.Until(func() {
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e2eservice.TestReachableHTTP(t.tcpIngressIP, t.svcPort, e2eservice.LoadBalancerLagTimeoutDefault)
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}, framework.Poll, done)
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} else {
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// Block until upgrade is done
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ginkgo.By("waiting for upgrade to finish without checking if service remains up")
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<-done
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}
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// Sanity check and hit it once more
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ginkgo.By("hitting the pod through the service's LoadBalancer")
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e2eservice.TestReachableHTTP(t.tcpIngressIP, t.svcPort, e2eservice.LoadBalancerLagTimeoutDefault)
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t.jig.SanityCheckService(t.tcpService, v1.ServiceTypeLoadBalancer)
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if testFinalizer {
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defer func() {
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ginkgo.By("Check that service can be deleted with finalizer")
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e2eservice.WaitForServiceDeletedWithFinalizer(t.jig.Client, t.tcpService.Namespace, t.tcpService.Name)
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}()
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ginkgo.By("Check that finalizer is present on loadBalancer type service")
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e2eservice.WaitForServiceUpdatedWithFinalizer(t.jig.Client, t.tcpService.Namespace, t.tcpService.Name, true)
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}
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}
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