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cc84e0895a
Node version cannot be higher than the master version, so we must switch the node version first. Also, we must use the upgrade script from the appropriate version for GCE.
243 lines
7.8 KiB
Go
243 lines
7.8 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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"path"
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"strings"
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"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
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"k8s.io/kubernetes/test/e2e/chaosmonkey"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/kubernetes/test/e2e/upgrades"
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. "github.com/onsi/ginkgo"
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)
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var upgradeTests = []upgrades.Test{
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&upgrades.ServiceUpgradeTest{},
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&upgrades.SecretUpgradeTest{},
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&upgrades.StatefulSetUpgradeTest{},
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&upgrades.DeploymentUpgradeTest{},
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&upgrades.JobUpgradeTest{},
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&upgrades.ConfigMapUpgradeTest{},
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&upgrades.HPAUpgradeTest{},
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&upgrades.PersistentVolumeUpgradeTest{},
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&upgrades.DaemonSetUpgradeTest{},
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&upgrades.IngressUpgradeTest{},
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}
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var _ = framework.KubeDescribe("Upgrade [Feature:Upgrade]", func() {
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f := framework.NewDefaultFramework("cluster-upgrade")
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// Create the frameworks here because we can only create them
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// in a "Describe".
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testFrameworks := map[string]*framework.Framework{}
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for _, t := range upgradeTests {
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testFrameworks[t.Name()] = framework.NewDefaultFramework(t.Name())
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}
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framework.KubeDescribe("master upgrade", func() {
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It("should maintain a functioning cluster [Feature:MasterUpgrade]", func() {
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cm := chaosmonkey.New(func() {
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v, err := realVersion(framework.TestContext.UpgradeTarget)
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framework.ExpectNoError(err)
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framework.ExpectNoError(framework.MasterUpgrade(v))
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framework.ExpectNoError(checkMasterVersion(f.ClientSet, v))
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})
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for _, t := range upgradeTests {
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cm.RegisterInterface(&chaosMonkeyAdapter{
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test: t,
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framework: testFrameworks[t.Name()],
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upgradeType: upgrades.MasterUpgrade,
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})
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}
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cm.Do()
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})
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})
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framework.KubeDescribe("node upgrade", func() {
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It("should maintain a functioning cluster [Feature:NodeUpgrade]", func() {
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cm := chaosmonkey.New(func() {
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v, err := realVersion(framework.TestContext.UpgradeTarget)
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framework.ExpectNoError(err)
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framework.ExpectNoError(framework.NodeUpgrade(f, v, framework.TestContext.UpgradeImage))
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framework.ExpectNoError(checkNodesVersions(f.ClientSet, v))
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})
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for _, t := range upgradeTests {
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cm.RegisterInterface(&chaosMonkeyAdapter{
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test: t,
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framework: testFrameworks[t.Name()],
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upgradeType: upgrades.NodeUpgrade,
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})
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}
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cm.Do()
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})
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})
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framework.KubeDescribe("cluster upgrade", func() {
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It("should maintain a functioning cluster [Feature:ClusterUpgrade]", func() {
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cm := chaosmonkey.New(func() {
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v, err := realVersion(framework.TestContext.UpgradeTarget)
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framework.ExpectNoError(err)
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framework.ExpectNoError(framework.MasterUpgrade(v))
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framework.ExpectNoError(checkMasterVersion(f.ClientSet, v))
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framework.ExpectNoError(framework.NodeUpgrade(f, v, framework.TestContext.UpgradeImage))
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framework.ExpectNoError(checkNodesVersions(f.ClientSet, v))
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})
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for _, t := range upgradeTests {
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cm.RegisterInterface(&chaosMonkeyAdapter{
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test: t,
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framework: testFrameworks[t.Name()],
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upgradeType: upgrades.ClusterUpgrade,
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})
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}
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cm.Do()
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})
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})
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})
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var _ = framework.KubeDescribe("Downgrade [Feature:Downgrade]", func() {
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f := framework.NewDefaultFramework("cluster-downgrade")
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// Create the frameworks here because we can only create them
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// in a "Describe".
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testFrameworks := map[string]*framework.Framework{}
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for _, t := range upgradeTests {
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testFrameworks[t.Name()] = framework.NewDefaultFramework(t.Name())
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}
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framework.KubeDescribe("cluster downgrade", func() {
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It("should maintain a functioning cluster [Feature:ClusterDowngrade]", func() {
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cm := chaosmonkey.New(func() {
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// Yes this really is a downgrade. And nodes must downgrade first.
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v, err := realVersion(framework.TestContext.UpgradeTarget)
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framework.ExpectNoError(err)
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framework.ExpectNoError(framework.NodeUpgrade(f, v, framework.TestContext.UpgradeImage))
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framework.ExpectNoError(checkNodesVersions(f.ClientSet, v))
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framework.ExpectNoError(framework.MasterUpgrade(v))
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framework.ExpectNoError(checkMasterVersion(f.ClientSet, v))
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})
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for _, t := range upgradeTests {
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cm.RegisterInterface(&chaosMonkeyAdapter{
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test: t,
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framework: testFrameworks[t.Name()],
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upgradeType: upgrades.ClusterUpgrade,
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})
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}
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cm.Do()
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})
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})
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})
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var _ = framework.KubeDescribe("etcd Upgrade [Feature:EtcdUpgrade]", func() {
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// Create the frameworks here because we can only create them
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// in a "Describe".
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testFrameworks := map[string]*framework.Framework{}
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for _, t := range upgradeTests {
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testFrameworks[t.Name()] = framework.NewDefaultFramework(t.Name())
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}
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framework.KubeDescribe("etcd upgrade", func() {
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It("should maintain a functioning cluster", func() {
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cm := chaosmonkey.New(func() {
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framework.ExpectNoError(framework.EtcdUpgrade(framework.TestContext.EtcdUpgradeStorage, framework.TestContext.EtcdUpgradeVersion))
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// TODO(mml): verify the etcd version
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})
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for _, t := range upgradeTests {
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cm.RegisterInterface(&chaosMonkeyAdapter{
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test: t,
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framework: testFrameworks[t.Name()],
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upgradeType: upgrades.EtcdUpgrade,
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})
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}
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cm.Do()
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})
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})
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})
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type chaosMonkeyAdapter struct {
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test upgrades.Test
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framework *framework.Framework
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upgradeType upgrades.UpgradeType
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}
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func (cma *chaosMonkeyAdapter) Setup() {
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cma.test.Setup(cma.framework)
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}
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func (cma *chaosMonkeyAdapter) Test(stopCh <-chan struct{}) {
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cma.test.Test(cma.framework, stopCh, cma.upgradeType)
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}
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func (cma *chaosMonkeyAdapter) Teardown() {
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cma.test.Teardown(cma.framework)
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}
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// realVersion turns a version constant s into a version string deployable on
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// GKE. See hack/get-build.sh for more information.
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func realVersion(s string) (string, error) {
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framework.Logf(fmt.Sprintf("Getting real version for %q", s))
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v, _, err := framework.RunCmd(path.Join(framework.TestContext.RepoRoot, "hack/get-build.sh"), "-v", s)
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if err != nil {
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return v, err
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}
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framework.Logf("Version for %q is %q", s, v)
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return strings.TrimPrefix(strings.TrimSpace(v), "v"), nil
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}
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func checkMasterVersion(c clientset.Interface, want string) error {
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framework.Logf("Checking master version")
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v, err := c.Discovery().ServerVersion()
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if err != nil {
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return fmt.Errorf("checkMasterVersion() couldn't get the master version: %v", err)
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}
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// We do prefix trimming and then matching because:
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// want looks like: 0.19.3-815-g50e67d4
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// got looks like: v0.19.3-815-g50e67d4034e858-dirty
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got := strings.TrimPrefix(v.GitVersion, "v")
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if !strings.HasPrefix(got, want) {
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return fmt.Errorf("master had kube-apiserver version %s which does not start with %s",
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got, want)
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}
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framework.Logf("Master is at version %s", want)
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return nil
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}
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func checkNodesVersions(cs clientset.Interface, want string) error {
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l := framework.GetReadySchedulableNodesOrDie(cs)
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for _, n := range l.Items {
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// We do prefix trimming and then matching because:
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// want looks like: 0.19.3-815-g50e67d4
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// kv/kvp look like: v0.19.3-815-g50e67d4034e858-dirty
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kv, kpv := strings.TrimPrefix(n.Status.NodeInfo.KubeletVersion, "v"),
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strings.TrimPrefix(n.Status.NodeInfo.KubeProxyVersion, "v")
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if !strings.HasPrefix(kv, want) {
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return fmt.Errorf("node %s had kubelet version %s which does not start with %s",
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n.ObjectMeta.Name, kv, want)
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}
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if !strings.HasPrefix(kpv, want) {
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return fmt.Errorf("node %s had kube-proxy version %s which does not start with %s",
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n.ObjectMeta.Name, kpv, want)
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}
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}
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return nil
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}
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