mirror of
https://github.com/ceph/ceph-csi.git
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261 lines
10 KiB
Go
261 lines
10 KiB
Go
/*
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Copyright 2015 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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"io/ioutil"
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"os"
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"path"
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"testing"
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"time"
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"github.com/onsi/ginkgo"
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"github.com/onsi/ginkgo/config"
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"github.com/onsi/ginkgo/reporters"
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"github.com/onsi/gomega"
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"k8s.io/klog"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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runtimeutils "k8s.io/apimachinery/pkg/util/runtime"
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"k8s.io/apiserver/pkg/util/logs"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/pkg/version"
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commontest "k8s.io/kubernetes/test/e2e/common"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/kubernetes/test/e2e/framework/ginkgowrapper"
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"k8s.io/kubernetes/test/e2e/framework/metrics"
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"k8s.io/kubernetes/test/e2e/manifest"
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testutils "k8s.io/kubernetes/test/utils"
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// ensure auth plugins are loaded
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_ "k8s.io/client-go/plugin/pkg/client/auth"
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// ensure that cloud providers are loaded
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_ "k8s.io/kubernetes/test/e2e/framework/providers/aws"
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_ "k8s.io/kubernetes/test/e2e/framework/providers/azure"
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_ "k8s.io/kubernetes/test/e2e/framework/providers/gce"
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_ "k8s.io/kubernetes/test/e2e/framework/providers/kubemark"
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)
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var (
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cloudConfig = &framework.TestContext.CloudConfig
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)
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// There are certain operations we only want to run once per overall test invocation
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// (such as deleting old namespaces, or verifying that all system pods are running.
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// Because of the way Ginkgo runs tests in parallel, we must use SynchronizedBeforeSuite
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// to ensure that these operations only run on the first parallel Ginkgo node.
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//
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// This function takes two parameters: one function which runs on only the first Ginkgo node,
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// returning an opaque byte array, and then a second function which runs on all Ginkgo nodes,
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// accepting the byte array.
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var _ = ginkgo.SynchronizedBeforeSuite(func() []byte {
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// Run only on Ginkgo node 1
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switch framework.TestContext.Provider {
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case "gce", "gke":
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framework.LogClusterImageSources()
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}
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c, err := framework.LoadClientset()
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if err != nil {
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klog.Fatal("Error loading client: ", err)
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}
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// Delete any namespaces except those created by the system. This ensures no
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// lingering resources are left over from a previous test run.
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if framework.TestContext.CleanStart {
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deleted, err := framework.DeleteNamespaces(c, nil, /* deleteFilter */
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[]string{
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metav1.NamespaceSystem,
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metav1.NamespaceDefault,
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metav1.NamespacePublic,
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})
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if err != nil {
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framework.Failf("Error deleting orphaned namespaces: %v", err)
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}
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klog.Infof("Waiting for deletion of the following namespaces: %v", deleted)
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if err := framework.WaitForNamespacesDeleted(c, deleted, framework.NamespaceCleanupTimeout); err != nil {
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framework.Failf("Failed to delete orphaned namespaces %v: %v", deleted, err)
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}
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}
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// In large clusters we may get to this point but still have a bunch
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// of nodes without Routes created. Since this would make a node
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// unschedulable, we need to wait until all of them are schedulable.
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framework.ExpectNoError(framework.WaitForAllNodesSchedulable(c, framework.TestContext.NodeSchedulableTimeout))
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// Ensure all pods are running and ready before starting tests (otherwise,
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// cluster infrastructure pods that are being pulled or started can block
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// test pods from running, and tests that ensure all pods are running and
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// ready will fail).
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podStartupTimeout := framework.TestContext.SystemPodsStartupTimeout
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// TODO: In large clusters, we often observe a non-starting pods due to
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// #41007. To avoid those pods preventing the whole test runs (and just
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// wasting the whole run), we allow for some not-ready pods (with the
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// number equal to the number of allowed not-ready nodes).
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if err := framework.WaitForPodsRunningReady(c, metav1.NamespaceSystem, int32(framework.TestContext.MinStartupPods), int32(framework.TestContext.AllowedNotReadyNodes), podStartupTimeout, map[string]string{}); err != nil {
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framework.DumpAllNamespaceInfo(c, metav1.NamespaceSystem)
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framework.LogFailedContainers(c, metav1.NamespaceSystem, framework.Logf)
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runKubernetesServiceTestContainer(c, metav1.NamespaceDefault)
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framework.Failf("Error waiting for all pods to be running and ready: %v", err)
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}
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if err := framework.WaitForDaemonSets(c, metav1.NamespaceSystem, int32(framework.TestContext.AllowedNotReadyNodes), framework.TestContext.SystemDaemonsetStartupTimeout); err != nil {
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framework.Logf("WARNING: Waiting for all daemonsets to be ready failed: %v", err)
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}
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// Log the version of the server and this client.
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framework.Logf("e2e test version: %s", version.Get().GitVersion)
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dc := c.DiscoveryClient
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serverVersion, serverErr := dc.ServerVersion()
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if serverErr != nil {
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framework.Logf("Unexpected server error retrieving version: %v", serverErr)
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}
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if serverVersion != nil {
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framework.Logf("kube-apiserver version: %s", serverVersion.GitVersion)
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}
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// Reference common test to make the import valid.
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commontest.CurrentSuite = commontest.E2E
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return nil
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}, func(data []byte) {
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// Run on all Ginkgo nodes
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})
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// Similar to SynchronizedBeforeSuite, we want to run some operations only once (such as collecting cluster logs).
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// Here, the order of functions is reversed; first, the function which runs everywhere,
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// and then the function that only runs on the first Ginkgo node.
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var _ = ginkgo.SynchronizedAfterSuite(func() {
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// Run on all Ginkgo nodes
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framework.Logf("Running AfterSuite actions on all nodes")
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framework.RunCleanupActions()
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}, func() {
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// Run only Ginkgo on node 1
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framework.Logf("Running AfterSuite actions on node 1")
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if framework.TestContext.ReportDir != "" {
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framework.CoreDump(framework.TestContext.ReportDir)
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}
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if framework.TestContext.GatherSuiteMetricsAfterTest {
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if err := gatherTestSuiteMetrics(); err != nil {
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framework.Logf("Error gathering metrics: %v", err)
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}
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}
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})
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func gatherTestSuiteMetrics() error {
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framework.Logf("Gathering metrics")
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c, err := framework.LoadClientset()
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if err != nil {
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return fmt.Errorf("error loading client: %v", err)
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}
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// Grab metrics for apiserver, scheduler, controller-manager, kubelet (for non-kubemark case) and cluster autoscaler (optionally).
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grabber, err := metrics.NewMetricsGrabber(c, nil, !framework.ProviderIs("kubemark"), true, true, true, framework.TestContext.IncludeClusterAutoscalerMetrics)
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if err != nil {
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return fmt.Errorf("failed to create MetricsGrabber: %v", err)
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}
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received, err := grabber.Grab()
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if err != nil {
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return fmt.Errorf("failed to grab metrics: %v", err)
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}
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metricsForE2E := (*framework.MetricsForE2E)(&received)
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metricsJSON := metricsForE2E.PrintJSON()
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if framework.TestContext.ReportDir != "" {
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filePath := path.Join(framework.TestContext.ReportDir, "MetricsForE2ESuite_"+time.Now().Format(time.RFC3339)+".json")
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if err := ioutil.WriteFile(filePath, []byte(metricsJSON), 0644); err != nil {
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return fmt.Errorf("error writing to %q: %v", filePath, err)
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}
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} else {
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framework.Logf("\n\nTest Suite Metrics:\n%s\n", metricsJSON)
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}
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return nil
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}
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// RunE2ETests checks configuration parameters (specified through flags) and then runs
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// E2E tests using the Ginkgo runner.
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// If a "report directory" is specified, one or more JUnit test reports will be
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// generated in this directory, and cluster logs will also be saved.
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// This function is called on each Ginkgo node in parallel mode.
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func RunE2ETests(t *testing.T) {
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runtimeutils.ReallyCrash = true
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logs.InitLogs()
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defer logs.FlushLogs()
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gomega.RegisterFailHandler(ginkgowrapper.Fail)
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// Disable skipped tests unless they are explicitly requested.
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if config.GinkgoConfig.FocusString == "" && config.GinkgoConfig.SkipString == "" {
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config.GinkgoConfig.SkipString = `\[Flaky\]|\[Feature:.+\]`
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}
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// Run tests through the Ginkgo runner with output to console + JUnit for Jenkins
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var r []ginkgo.Reporter
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if framework.TestContext.ReportDir != "" {
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// TODO: we should probably only be trying to create this directory once
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// rather than once-per-Ginkgo-node.
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if err := os.MkdirAll(framework.TestContext.ReportDir, 0755); err != nil {
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klog.Errorf("Failed creating report directory: %v", err)
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} else {
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r = append(r, reporters.NewJUnitReporter(path.Join(framework.TestContext.ReportDir, fmt.Sprintf("junit_%v%02d.xml", framework.TestContext.ReportPrefix, config.GinkgoConfig.ParallelNode))))
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}
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}
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klog.Infof("Starting e2e run %q on Ginkgo node %d", framework.RunId, config.GinkgoConfig.ParallelNode)
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ginkgo.RunSpecsWithDefaultAndCustomReporters(t, "Kubernetes e2e suite", r)
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}
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// Run a test container to try and contact the Kubernetes api-server from a pod, wait for it
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// to flip to Ready, log its output and delete it.
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func runKubernetesServiceTestContainer(c clientset.Interface, ns string) {
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path := "test/images/clusterapi-tester/pod.yaml"
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framework.Logf("Parsing pod from %v", path)
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p, err := manifest.PodFromManifest(path)
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if err != nil {
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framework.Logf("Failed to parse clusterapi-tester from manifest %v: %v", path, err)
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return
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}
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p.Namespace = ns
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if _, err := c.CoreV1().Pods(ns).Create(p); err != nil {
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framework.Logf("Failed to create %v: %v", p.Name, err)
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return
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}
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defer func() {
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if err := c.CoreV1().Pods(ns).Delete(p.Name, nil); err != nil {
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framework.Logf("Failed to delete pod %v: %v", p.Name, err)
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}
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}()
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timeout := 5 * time.Minute
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if err := framework.WaitForPodCondition(c, ns, p.Name, "clusterapi-tester", timeout, testutils.PodRunningReady); err != nil {
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framework.Logf("Pod %v took longer than %v to enter running/ready: %v", p.Name, timeout, err)
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return
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}
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logs, err := framework.GetPodLogs(c, ns, p.Name, p.Spec.Containers[0].Name)
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if err != nil {
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framework.Logf("Failed to retrieve logs from %v: %v", p.Name, err)
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} else {
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framework.Logf("Output of clusterapi-tester:\n%v", logs)
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}
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}
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