kube_proxy_migration.go

Documentation: k8s.io/kubernetes/test/e2e/cloud/gcp/network

     1  /*
     2  Copyright 2021 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package network
    18  
    19  import (
    20  	"context"
    21  	"fmt"
    22  
    23  	"k8s.io/kubernetes/test/e2e/cloud/gcp/common"
    24  	"k8s.io/kubernetes/test/e2e/feature"
    25  	"k8s.io/kubernetes/test/e2e/framework"
    26  	e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
    27  	"k8s.io/kubernetes/test/e2e/upgrades"
    28  	"k8s.io/kubernetes/test/e2e/upgrades/network"
    29  	"k8s.io/kubernetes/test/utils/junit"
    30  	admissionapi "k8s.io/pod-security-admission/api"
    31  
    32  	"github.com/onsi/ginkgo/v2"
    33  )
    34  
    35  var upgradeTests = []upgrades.Test{
    36  	&network.KubeProxyUpgradeTest{},
    37  	&network.ServiceUpgradeTest{},
    38  }
    39  
    40  var downgradeTests = []upgrades.Test{
    41  	&network.KubeProxyDowngradeTest{},
    42  	&network.ServiceUpgradeTest{},
    43  }
    44  
    45  func kubeProxyDaemonSetExtraEnvs(enableKubeProxyDaemonSet bool) []string {
    46  	return []string{fmt.Sprintf("KUBE_PROXY_DAEMONSET=%v", enableKubeProxyDaemonSet)}
    47  }
    48  
    49  var _ = SIGDescribe("kube-proxy migration", feature.KubeProxyDaemonSetMigration, func() {
    50  	f := framework.NewDefaultFramework("kube-proxy-ds-migration")
    51  	f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged
    52  	upgradeTestFrameworks := upgrades.CreateUpgradeFrameworks(upgradeTests)
    53  	downgradeTestsFrameworks := upgrades.CreateUpgradeFrameworks(downgradeTests)
    54  
    55  	ginkgo.BeforeEach(func() {
    56  		e2eskipper.SkipUnlessProviderIs("gce")
    57  	})
    58  
    59  	ginkgo.Describe("Upgrade kube-proxy from static pods to a DaemonSet", func() {
    60  		f.It("should maintain a functioning cluster", feature.KubeProxyDaemonSetUpgrade, func(ctx context.Context) {
    61  			upgCtx, err := common.GetUpgradeContext(f.ClientSet.Discovery())
    62  			framework.ExpectNoError(err)
    63  
    64  			testSuite := &junit.TestSuite{Name: "kube-proxy upgrade"}
    65  			kubeProxyUpgradeTest := &junit.TestCase{
    66  				Name:      "kube-proxy-ds-upgrade",
    67  				Classname: "upgrade_tests",
    68  			}
    69  			testSuite.TestCases = append(testSuite.TestCases, kubeProxyUpgradeTest)
    70  
    71  			extraEnvs := kubeProxyDaemonSetExtraEnvs(true)
    72  			upgradeFunc := common.ClusterUpgradeFunc(f, upgCtx, kubeProxyUpgradeTest, extraEnvs, extraEnvs)
    73  			upgrades.RunUpgradeSuite(ctx, upgCtx, upgradeTests, upgradeTestFrameworks, testSuite, upgrades.ClusterUpgrade, upgradeFunc)
    74  		})
    75  	})
    76  
    77  	ginkgo.Describe("Downgrade kube-proxy from a DaemonSet to static pods", func() {
    78  		f.It("should maintain a functioning cluster", feature.KubeProxyDaemonSetDowngrade, func(ctx context.Context) {
    79  			upgCtx, err := common.GetUpgradeContext(f.ClientSet.Discovery())
    80  			framework.ExpectNoError(err)
    81  
    82  			testSuite := &junit.TestSuite{Name: "kube-proxy downgrade"}
    83  			kubeProxyDowngradeTest := &junit.TestCase{
    84  				Name:      "kube-proxy-ds-downgrade",
    85  				Classname: "upgrade_tests",
    86  			}
    87  			testSuite.TestCases = append(testSuite.TestCases, kubeProxyDowngradeTest)
    88  
    89  			extraEnvs := kubeProxyDaemonSetExtraEnvs(false)
    90  			upgradeFunc := common.ClusterDowngradeFunc(f, upgCtx, kubeProxyDowngradeTest, extraEnvs, extraEnvs)
    91  			upgrades.RunUpgradeSuite(ctx, upgCtx, downgradeTests, downgradeTestsFrameworks, testSuite, upgrades.ClusterUpgrade, upgradeFunc)
    92  		})
    93  	})
    94  })
    95
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