E2E Libification rebased (3).
This commit is contained in:
		
							
								
								
									
										239
									
								
								test/e2e/e2e.go
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										239
									
								
								test/e2e/e2e.go
									
									
									
									
									
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							@@ -0,0 +1,239 @@
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/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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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		||||
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		||||
    http://www.apache.org/licenses/LICENSE-2.0
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		||||
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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
 | 
			
		||||
limitations under the License.
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		||||
*/
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		||||
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		||||
package e2e
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import (
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	"flag"
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		||||
	"fmt"
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		||||
	"os"
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		||||
	"path"
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		||||
	"strings"
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		||||
	"testing"
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		||||
	"time"
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		||||
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		||||
	"github.com/golang/glog"
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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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		||||
	"golang.org/x/oauth2"
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		||||
	"golang.org/x/oauth2/google"
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		||||
	"k8s.io/kubernetes/pkg/api"
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		||||
	"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
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	"k8s.io/kubernetes/pkg/cloudprovider"
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	gcecloud "k8s.io/kubernetes/pkg/cloudprovider/providers/gce"
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	"k8s.io/kubernetes/pkg/util"
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)
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const (
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	// podStartupTimeout is the time to allow all pods in the cluster to become
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		||||
	// running and ready before any e2e tests run. It includes pulling all of
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		||||
	// the pods (as of 5/18/15 this is 8 pods).
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		||||
	podStartupTimeout = 10 * time.Minute
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		||||
)
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var (
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	cloudConfig = &testContext.CloudConfig
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		||||
)
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		||||
func RegisterFlags() {
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	// Turn on verbose by default to get spec names
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		||||
	config.DefaultReporterConfig.Verbose = true
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		||||
 | 
			
		||||
	// Turn on EmitSpecProgress to get spec progress (especially on interrupt)
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		||||
	config.GinkgoConfig.EmitSpecProgress = true
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		||||
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		||||
	// Randomize specs as well as suites
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		||||
	config.GinkgoConfig.RandomizeAllSpecs = true
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		||||
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		||||
	flag.StringVar(&testContext.KubeConfig, clientcmd.RecommendedConfigPathFlag, "", "Path to kubeconfig containing embedded authinfo.")
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		||||
	flag.StringVar(&testContext.KubeContext, clientcmd.FlagContext, "", "kubeconfig context to use/override. If unset, will use value from 'current-context'")
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		||||
	flag.StringVar(&testContext.CertDir, "cert-dir", "", "Path to the directory containing the certs. Default is empty, which doesn't use certs.")
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		||||
	flag.StringVar(&testContext.Host, "host", "", "The host, or apiserver, to connect to")
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		||||
	flag.StringVar(&testContext.RepoRoot, "repo-root", "../../", "Root directory of kubernetes repository, for finding test files.")
 | 
			
		||||
	flag.StringVar(&testContext.Provider, "provider", "", "The name of the Kubernetes provider (gce, gke, local, vagrant, etc.)")
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		||||
	flag.StringVar(&testContext.KubectlPath, "kubectl-path", "kubectl", "The kubectl binary to use. For development, you might use 'cluster/kubectl.sh' here.")
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		||||
	flag.StringVar(&testContext.OutputDir, "e2e-output-dir", "/tmp", "Output directory for interesting/useful test data, like performance data, benchmarks, and other metrics.")
 | 
			
		||||
	flag.StringVar(&testContext.ReportDir, "report-dir", "", "Path to the directory where the JUnit XML reports should be saved. Default is empty, which doesn't generate these reports.")
 | 
			
		||||
	flag.StringVar(&testContext.prefix, "prefix", "e2e", "A prefix to be added to cloud resources created during testing.")
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		||||
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		||||
	// TODO: Flags per provider?  Rename gce-project/gce-zone?
 | 
			
		||||
	flag.StringVar(&cloudConfig.MasterName, "kube-master", "", "Name of the kubernetes master. Only required if provider is gce or gke")
 | 
			
		||||
	flag.StringVar(&cloudConfig.ProjectID, "gce-project", "", "The GCE project being used, if applicable")
 | 
			
		||||
	flag.StringVar(&cloudConfig.Zone, "gce-zone", "", "GCE zone being used, if applicable")
 | 
			
		||||
	flag.StringVar(&cloudConfig.ServiceAccount, "gce-service-account", "", "GCE service account to use for GCE API calls, if applicable")
 | 
			
		||||
	flag.StringVar(&cloudConfig.Cluster, "gke-cluster", "", "GKE name of cluster being used, if applicable")
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	flag.StringVar(&cloudConfig.NodeInstanceGroup, "node-instance-group", "", "Name of the managed instance group for nodes. Valid only for gce, gke or aws")
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		||||
	flag.IntVar(&cloudConfig.NumNodes, "num-nodes", -1, "Number of nodes in the cluster")
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		||||
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	flag.StringVar(&cloudConfig.ClusterTag, "cluster-tag", "", "Tag used to identify resources.  Only required if provider is aws.")
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		||||
	flag.IntVar(&testContext.MinStartupPods, "minStartupPods", 0, "The number of pods which we need to see in 'Running' state with a 'Ready' condition of true, before we try running tests. This is useful in any cluster which needs some base pod-based services running before it can be used.")
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		||||
	flag.StringVar(&testContext.UpgradeTarget, "upgrade-target", "ci/latest", "Version to upgrade to (e.g. 'release/stable', 'release/latest', 'ci/latest', '0.19.1', '0.19.1-669-gabac8c8') if doing an upgrade test.")
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		||||
	flag.StringVar(&testContext.PrometheusPushGateway, "prom-push-gateway", "", "The URL to prometheus gateway, so that metrics can be pushed during e2es and scraped by prometheus. Typically something like 127.0.0.1:9091.")
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		||||
	flag.BoolVar(&testContext.VerifyServiceAccount, "e2e-verify-service-account", true, "If true tests will verify the service account before running.")
 | 
			
		||||
	flag.BoolVar(&testContext.DeleteNamespace, "delete-namespace", true, "If true tests will delete namespace after completion. It is only designed to make debugging easier, DO NOT turn it off by default.")
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		||||
	flag.BoolVar(&testContext.CleanStart, "clean-start", false, "If true, purge all namespaces except default and system before running tests. This serves to cleanup test namespaces from failed/interrupted e2e runs in a long-lived cluster.")
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		||||
	flag.BoolVar(&testContext.GatherKubeSystemResourceUsageData, "gather-resource-usage", false, "If set to true framework will be monitoring resource usage of system add-ons in (some) e2e tests.")
 | 
			
		||||
	flag.BoolVar(&testContext.GatherLogsSizes, "gather-logs-sizes", false, "If set to true framework will be monitoring logs sizes on all machines running e2e tests.")
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		||||
	flag.BoolVar(&testContext.GatherMetricsAfterTest, "gather-metrics-at-teardown", false, "If set to true framwork will gather metrics from all components after each test.")
 | 
			
		||||
	flag.StringVar(&testContext.OutputPrintType, "output-print-type", "hr", "Comma separated list: 'hr' for human readable summaries 'json' for JSON ones.")
 | 
			
		||||
}
 | 
			
		||||
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		||||
// setupProviderConfig validates and sets up cloudConfig based on testContext.Provider.
 | 
			
		||||
func setupProviderConfig() error {
 | 
			
		||||
	switch testContext.Provider {
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		||||
	case "":
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		||||
		glog.Info("The --provider flag is not set.  Treating as a conformance test.  Some tests may not be run.")
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		||||
	case "gce", "gke":
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		var err error
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		Logf("Fetching cloud provider for %q\r\n", testContext.Provider)
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		||||
		var tokenSource oauth2.TokenSource
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		||||
		tokenSource = nil
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		||||
		if cloudConfig.ServiceAccount != "" {
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			// Use specified service account for auth
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			Logf("Using service account %q as token source.", cloudConfig.ServiceAccount)
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		||||
			tokenSource = google.ComputeTokenSource(cloudConfig.ServiceAccount)
 | 
			
		||||
		}
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		||||
		zone := testContext.CloudConfig.Zone
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		region, err := gcecloud.GetGCERegion(zone)
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			return fmt.Errorf("error parsing GCE/GKE region from zone %q: %v", zone, err)
 | 
			
		||||
		}
 | 
			
		||||
		managedZones := []string{zone} // Only single-zone for now
 | 
			
		||||
		cloudConfig.Provider, err = gcecloud.CreateGCECloud(testContext.CloudConfig.ProjectID, region, zone, managedZones, "" /* networkUrl */, tokenSource, false /* useMetadataServer */)
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			return fmt.Errorf("Error building GCE/GKE provider: ", err)
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
	case "aws":
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		awsConfig := "[Global]\n"
 | 
			
		||||
		if cloudConfig.Zone == "" {
 | 
			
		||||
			return fmt.Errorf("gce-zone must be specified for AWS")
 | 
			
		||||
		}
 | 
			
		||||
		awsConfig += fmt.Sprintf("Zone=%s\n", cloudConfig.Zone)
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		||||
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		||||
		if cloudConfig.ClusterTag == "" {
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		||||
			return fmt.Errorf("--cluster-tag must be specified for AWS")
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		||||
		}
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		||||
		awsConfig += fmt.Sprintf("KubernetesClusterTag=%s\n", cloudConfig.ClusterTag)
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		||||
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		||||
		var err error
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		||||
		cloudConfig.Provider, err = cloudprovider.GetCloudProvider(testContext.Provider, strings.NewReader(awsConfig))
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			return fmt.Errorf("Error building AWS provider: ", err)
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	return nil
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
// There are certain operations we only want to run once per overall test invocation
 | 
			
		||||
// (such as deleting old namespaces, or verifying that all system pods are running.
 | 
			
		||||
// Because of the way Ginkgo runs tests in parallel, we must use SynchronizedBeforeSuite
 | 
			
		||||
// to ensure that these operations only run on the first parallel Ginkgo node.
 | 
			
		||||
//
 | 
			
		||||
// This function takes two parameters: one function which runs on only the first Ginkgo node,
 | 
			
		||||
// returning an opaque byte array, and then a second function which runs on all Ginkgo nodes,
 | 
			
		||||
// accepting the byte array.
 | 
			
		||||
var _ = ginkgo.SynchronizedBeforeSuite(func() []byte {
 | 
			
		||||
	// Run only on Ginkgo node 1
 | 
			
		||||
 | 
			
		||||
	// Delete any namespaces except default and kube-system. This ensures no
 | 
			
		||||
	// lingering resources are left over from a previous test run.
 | 
			
		||||
	if testContext.CleanStart {
 | 
			
		||||
		c, err := loadClient()
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			glog.Fatal("Error loading client: ", err)
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		deleted, err := deleteNamespaces(c, nil /* deleteFilter */, []string{api.NamespaceSystem, api.NamespaceDefault})
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			Failf("Error deleting orphaned namespaces: %v", err)
 | 
			
		||||
		}
 | 
			
		||||
		glog.Infof("Waiting for deletion of the following namespaces: %v", deleted)
 | 
			
		||||
		if err := waitForNamespacesDeleted(c, deleted, namespaceCleanupTimeout); err != nil {
 | 
			
		||||
			Failf("Failed to delete orphaned namespaces %v: %v", deleted, err)
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	// Ensure all pods are running and ready before starting tests (otherwise,
 | 
			
		||||
	// cluster infrastructure pods that are being pulled or started can block
 | 
			
		||||
	// test pods from running, and tests that ensure all pods are running and
 | 
			
		||||
	// ready will fail).
 | 
			
		||||
	if err := waitForPodsRunningReady(api.NamespaceSystem, testContext.MinStartupPods, podStartupTimeout); err != nil {
 | 
			
		||||
		Failf("Error waiting for all pods to be running and ready: %v", err)
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	return nil
 | 
			
		||||
 | 
			
		||||
}, func(data []byte) {
 | 
			
		||||
	// Run on all Ginkgo nodes
 | 
			
		||||
 | 
			
		||||
})
 | 
			
		||||
 | 
			
		||||
// Similar to SynchornizedBeforeSuite, we want to run some operations only once (such as collecting cluster logs).
 | 
			
		||||
// Here, the order of functions is reversed; first, the function which runs everywhere,
 | 
			
		||||
// and then the function that only runs on the first Ginkgo node.
 | 
			
		||||
var _ = ginkgo.SynchronizedAfterSuite(func() {
 | 
			
		||||
	// Run on all Ginkgo nodes
 | 
			
		||||
 | 
			
		||||
}, func() {
 | 
			
		||||
	// Run only Ginkgo on node 1
 | 
			
		||||
	if testContext.ReportDir != "" {
 | 
			
		||||
		CoreDump(testContext.ReportDir)
 | 
			
		||||
	}
 | 
			
		||||
})
 | 
			
		||||
 | 
			
		||||
// TestE2E checks configuration parameters (specified through flags) and then runs
 | 
			
		||||
// E2E tests using the Ginkgo runner.
 | 
			
		||||
// If a "report directory" is specified, one or more JUnit test reports will be
 | 
			
		||||
// generated in this directory, and cluster logs will also be saved.
 | 
			
		||||
// This function is called on each Ginkgo node in parallel mode.
 | 
			
		||||
func RunE2ETests(t *testing.T) {
 | 
			
		||||
	util.ReallyCrash = true
 | 
			
		||||
	util.InitLogs()
 | 
			
		||||
	defer util.FlushLogs()
 | 
			
		||||
 | 
			
		||||
	// We must call setupProviderConfig first since SynchronizedBeforeSuite needs
 | 
			
		||||
	// cloudConfig to be set up already.
 | 
			
		||||
	if err := setupProviderConfig(); err != nil {
 | 
			
		||||
		glog.Fatalf(err.Error())
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	gomega.RegisterFailHandler(ginkgo.Fail)
 | 
			
		||||
	// Disable skipped tests unless they are explicitly requested.
 | 
			
		||||
	if config.GinkgoConfig.FocusString == "" && config.GinkgoConfig.SkipString == "" {
 | 
			
		||||
		// TODO(ihmccreery) Remove [Skipped] once all [Skipped] labels have been reclassified.
 | 
			
		||||
		config.GinkgoConfig.SkipString = `\[Flaky\]|\[Skipped\]|\[Feature:.+\]`
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	// Run tests through the Ginkgo runner with output to console + JUnit for Jenkins
 | 
			
		||||
	var r []ginkgo.Reporter
 | 
			
		||||
	if testContext.ReportDir != "" {
 | 
			
		||||
		// TODO: we should probably only be trying to create this directory once
 | 
			
		||||
		// rather than once-per-Ginkgo-node.
 | 
			
		||||
		if err := os.MkdirAll(testContext.ReportDir, 0755); err != nil {
 | 
			
		||||
			glog.Errorf("Failed creating report directory: %v", err)
 | 
			
		||||
		} else {
 | 
			
		||||
			r = append(r, reporters.NewJUnitReporter(path.Join(testContext.ReportDir, fmt.Sprintf("junit_%02d.xml", config.GinkgoConfig.ParallelNode))))
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
	glog.Infof("Starting e2e run %q on Ginkgo node %d", runId, config.GinkgoConfig.ParallelNode)
 | 
			
		||||
	ginkgo.RunSpecsWithDefaultAndCustomReporters(t, "Kubernetes e2e suite", r)
 | 
			
		||||
}
 | 
			
		||||
@@ -17,223 +17,13 @@ limitations under the License.
 | 
			
		||||
package e2e
 | 
			
		||||
 | 
			
		||||
import (
 | 
			
		||||
	"flag"
 | 
			
		||||
	"fmt"
 | 
			
		||||
	"os"
 | 
			
		||||
	"path"
 | 
			
		||||
	"strings"
 | 
			
		||||
	"testing"
 | 
			
		||||
	"time"
 | 
			
		||||
 | 
			
		||||
	"github.com/golang/glog"
 | 
			
		||||
	"github.com/onsi/ginkgo"
 | 
			
		||||
	"github.com/onsi/ginkgo/config"
 | 
			
		||||
	"github.com/onsi/ginkgo/reporters"
 | 
			
		||||
	"github.com/onsi/gomega"
 | 
			
		||||
	"golang.org/x/oauth2"
 | 
			
		||||
	"golang.org/x/oauth2/google"
 | 
			
		||||
	"k8s.io/kubernetes/pkg/api"
 | 
			
		||||
	"k8s.io/kubernetes/pkg/client/unversioned/clientcmd"
 | 
			
		||||
	"k8s.io/kubernetes/pkg/cloudprovider"
 | 
			
		||||
	gcecloud "k8s.io/kubernetes/pkg/cloudprovider/providers/gce"
 | 
			
		||||
	"k8s.io/kubernetes/pkg/util"
 | 
			
		||||
)
 | 
			
		||||
 | 
			
		||||
const (
 | 
			
		||||
	// podStartupTimeout is the time to allow all pods in the cluster to become
 | 
			
		||||
	// running and ready before any e2e tests run. It includes pulling all of
 | 
			
		||||
	// the pods (as of 5/18/15 this is 8 pods).
 | 
			
		||||
	podStartupTimeout = 10 * time.Minute
 | 
			
		||||
)
 | 
			
		||||
 | 
			
		||||
var (
 | 
			
		||||
	cloudConfig = &testContext.CloudConfig
 | 
			
		||||
)
 | 
			
		||||
 | 
			
		||||
func init() {
 | 
			
		||||
	// Turn on verbose by default to get spec names
 | 
			
		||||
	config.DefaultReporterConfig.Verbose = true
 | 
			
		||||
 | 
			
		||||
	// Turn on EmitSpecProgress to get spec progress (especially on interrupt)
 | 
			
		||||
	config.GinkgoConfig.EmitSpecProgress = true
 | 
			
		||||
 | 
			
		||||
	// Randomize specs as well as suites
 | 
			
		||||
	config.GinkgoConfig.RandomizeAllSpecs = true
 | 
			
		||||
 | 
			
		||||
	flag.StringVar(&testContext.KubeConfig, clientcmd.RecommendedConfigPathFlag, "", "Path to kubeconfig containing embedded authinfo.")
 | 
			
		||||
	flag.StringVar(&testContext.KubeContext, clientcmd.FlagContext, "", "kubeconfig context to use/override. If unset, will use value from 'current-context'")
 | 
			
		||||
	flag.StringVar(&testContext.CertDir, "cert-dir", "", "Path to the directory containing the certs. Default is empty, which doesn't use certs.")
 | 
			
		||||
	flag.StringVar(&testContext.Host, "host", "", "The host, or apiserver, to connect to")
 | 
			
		||||
	flag.StringVar(&testContext.RepoRoot, "repo-root", "../../", "Root directory of kubernetes repository, for finding test files.")
 | 
			
		||||
	flag.StringVar(&testContext.Provider, "provider", "", "The name of the Kubernetes provider (gce, gke, local, vagrant, etc.)")
 | 
			
		||||
	flag.StringVar(&testContext.KubectlPath, "kubectl-path", "kubectl", "The kubectl binary to use. For development, you might use 'cluster/kubectl.sh' here.")
 | 
			
		||||
	flag.StringVar(&testContext.OutputDir, "e2e-output-dir", "/tmp", "Output directory for interesting/useful test data, like performance data, benchmarks, and other metrics.")
 | 
			
		||||
	flag.StringVar(&testContext.ReportDir, "report-dir", "", "Path to the directory where the JUnit XML reports should be saved. Default is empty, which doesn't generate these reports.")
 | 
			
		||||
	flag.StringVar(&testContext.prefix, "prefix", "e2e", "A prefix to be added to cloud resources created during testing.")
 | 
			
		||||
 | 
			
		||||
	// TODO: Flags per provider?  Rename gce-project/gce-zone?
 | 
			
		||||
	flag.StringVar(&cloudConfig.MasterName, "kube-master", "", "Name of the kubernetes master. Only required if provider is gce or gke")
 | 
			
		||||
	flag.StringVar(&cloudConfig.ProjectID, "gce-project", "", "The GCE project being used, if applicable")
 | 
			
		||||
	flag.StringVar(&cloudConfig.Zone, "gce-zone", "", "GCE zone being used, if applicable")
 | 
			
		||||
	flag.StringVar(&cloudConfig.ServiceAccount, "gce-service-account", "", "GCE service account to use for GCE API calls, if applicable")
 | 
			
		||||
	flag.StringVar(&cloudConfig.Cluster, "gke-cluster", "", "GKE name of cluster being used, if applicable")
 | 
			
		||||
	flag.StringVar(&cloudConfig.NodeInstanceGroup, "node-instance-group", "", "Name of the managed instance group for nodes. Valid only for gce, gke or aws")
 | 
			
		||||
	flag.IntVar(&cloudConfig.NumNodes, "num-nodes", -1, "Number of nodes in the cluster")
 | 
			
		||||
 | 
			
		||||
	flag.StringVar(&cloudConfig.ClusterTag, "cluster-tag", "", "Tag used to identify resources.  Only required if provider is aws.")
 | 
			
		||||
	flag.IntVar(&testContext.MinStartupPods, "minStartupPods", 0, "The number of pods which we need to see in 'Running' state with a 'Ready' condition of true, before we try running tests. This is useful in any cluster which needs some base pod-based services running before it can be used.")
 | 
			
		||||
	flag.StringVar(&testContext.UpgradeTarget, "upgrade-target", "ci/latest", "Version to upgrade to (e.g. 'release/stable', 'release/latest', 'ci/latest', '0.19.1', '0.19.1-669-gabac8c8') if doing an upgrade test.")
 | 
			
		||||
	flag.StringVar(&testContext.PrometheusPushGateway, "prom-push-gateway", "", "The URL to prometheus gateway, so that metrics can be pushed during e2es and scraped by prometheus. Typically something like 127.0.0.1:9091.")
 | 
			
		||||
	flag.BoolVar(&testContext.VerifyServiceAccount, "e2e-verify-service-account", true, "If true tests will verify the service account before running.")
 | 
			
		||||
	flag.BoolVar(&testContext.DeleteNamespace, "delete-namespace", true, "If true tests will delete namespace after completion. It is only designed to make debugging easier, DO NOT turn it off by default.")
 | 
			
		||||
	flag.BoolVar(&testContext.CleanStart, "clean-start", false, "If true, purge all namespaces except default and system before running tests. This serves to cleanup test namespaces from failed/interrupted e2e runs in a long-lived cluster.")
 | 
			
		||||
	flag.BoolVar(&testContext.GatherKubeSystemResourceUsageData, "gather-resource-usage", false, "If set to true framework will be monitoring resource usage of system add-ons in (some) e2e tests.")
 | 
			
		||||
	flag.BoolVar(&testContext.GatherLogsSizes, "gather-logs-sizes", false, "If set to true framework will be monitoring logs sizes on all machines running e2e tests.")
 | 
			
		||||
	flag.BoolVar(&testContext.GatherMetricsAfterTest, "gather-metrics-at-teardown", false, "If set to true framwork will gather metrics from all components after each test.")
 | 
			
		||||
	flag.StringVar(&testContext.OutputPrintType, "output-print-type", "hr", "Comma separated list: 'hr' for human readable summaries 'json' for JSON ones.")
 | 
			
		||||
	RegisterFlags()
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
// setupProviderConfig validates and sets up cloudConfig based on testContext.Provider.
 | 
			
		||||
func setupProviderConfig() error {
 | 
			
		||||
	switch testContext.Provider {
 | 
			
		||||
	case "":
 | 
			
		||||
		glog.Info("The --provider flag is not set.  Treating as a conformance test.  Some tests may not be run.")
 | 
			
		||||
 | 
			
		||||
	case "gce", "gke":
 | 
			
		||||
		var err error
 | 
			
		||||
		Logf("Fetching cloud provider for %q\r\n", testContext.Provider)
 | 
			
		||||
		var tokenSource oauth2.TokenSource
 | 
			
		||||
		tokenSource = nil
 | 
			
		||||
		if cloudConfig.ServiceAccount != "" {
 | 
			
		||||
			// Use specified service account for auth
 | 
			
		||||
			Logf("Using service account %q as token source.", cloudConfig.ServiceAccount)
 | 
			
		||||
			tokenSource = google.ComputeTokenSource(cloudConfig.ServiceAccount)
 | 
			
		||||
		}
 | 
			
		||||
		zone := testContext.CloudConfig.Zone
 | 
			
		||||
		region, err := gcecloud.GetGCERegion(zone)
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			return fmt.Errorf("error parsing GCE/GKE region from zone %q: %v", zone, err)
 | 
			
		||||
		}
 | 
			
		||||
		managedZones := []string{zone} // Only single-zone for now
 | 
			
		||||
		cloudConfig.Provider, err = gcecloud.CreateGCECloud(testContext.CloudConfig.ProjectID, region, zone, managedZones, "" /* networkUrl */, tokenSource, false /* useMetadataServer */)
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			return fmt.Errorf("Error building GCE/GKE provider: ", err)
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
	case "aws":
 | 
			
		||||
		awsConfig := "[Global]\n"
 | 
			
		||||
		if cloudConfig.Zone == "" {
 | 
			
		||||
			return fmt.Errorf("gce-zone must be specified for AWS")
 | 
			
		||||
		}
 | 
			
		||||
		awsConfig += fmt.Sprintf("Zone=%s\n", cloudConfig.Zone)
 | 
			
		||||
 | 
			
		||||
		if cloudConfig.ClusterTag == "" {
 | 
			
		||||
			return fmt.Errorf("--cluster-tag must be specified for AWS")
 | 
			
		||||
		}
 | 
			
		||||
		awsConfig += fmt.Sprintf("KubernetesClusterTag=%s\n", cloudConfig.ClusterTag)
 | 
			
		||||
 | 
			
		||||
		var err error
 | 
			
		||||
		cloudConfig.Provider, err = cloudprovider.GetCloudProvider(testContext.Provider, strings.NewReader(awsConfig))
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			return fmt.Errorf("Error building AWS provider: ", err)
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	return nil
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
// There are certain operations we only want to run once per overall test invocation
 | 
			
		||||
// (such as deleting old namespaces, or verifying that all system pods are running.
 | 
			
		||||
// Because of the way Ginkgo runs tests in parallel, we must use SynchronizedBeforeSuite
 | 
			
		||||
// to ensure that these operations only run on the first parallel Ginkgo node.
 | 
			
		||||
//
 | 
			
		||||
// This function takes two parameters: one function which runs on only the first Ginkgo node,
 | 
			
		||||
// returning an opaque byte array, and then a second function which runs on all Ginkgo nodes,
 | 
			
		||||
// accepting the byte array.
 | 
			
		||||
var _ = ginkgo.SynchronizedBeforeSuite(func() []byte {
 | 
			
		||||
	// Run only on Ginkgo node 1
 | 
			
		||||
 | 
			
		||||
	// Delete any namespaces except default and kube-system. This ensures no
 | 
			
		||||
	// lingering resources are left over from a previous test run.
 | 
			
		||||
	if testContext.CleanStart {
 | 
			
		||||
		c, err := loadClient()
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			glog.Fatal("Error loading client: ", err)
 | 
			
		||||
		}
 | 
			
		||||
 | 
			
		||||
		deleted, err := deleteNamespaces(c, nil /* deleteFilter */, []string{api.NamespaceSystem, api.NamespaceDefault})
 | 
			
		||||
		if err != nil {
 | 
			
		||||
			Failf("Error deleting orphaned namespaces: %v", err)
 | 
			
		||||
		}
 | 
			
		||||
		glog.Infof("Waiting for deletion of the following namespaces: %v", deleted)
 | 
			
		||||
		if err := waitForNamespacesDeleted(c, deleted, namespaceCleanupTimeout); err != nil {
 | 
			
		||||
			Failf("Failed to delete orphaned namespaces %v: %v", deleted, err)
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	// Ensure all pods are running and ready before starting tests (otherwise,
 | 
			
		||||
	// cluster infrastructure pods that are being pulled or started can block
 | 
			
		||||
	// test pods from running, and tests that ensure all pods are running and
 | 
			
		||||
	// ready will fail).
 | 
			
		||||
	if err := waitForPodsRunningReady(api.NamespaceSystem, testContext.MinStartupPods, podStartupTimeout); err != nil {
 | 
			
		||||
		Failf("Error waiting for all pods to be running and ready: %v", err)
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	return nil
 | 
			
		||||
 | 
			
		||||
}, func(data []byte) {
 | 
			
		||||
	// Run on all Ginkgo nodes
 | 
			
		||||
 | 
			
		||||
})
 | 
			
		||||
 | 
			
		||||
// Similar to SynchornizedBeforeSuite, we want to run some operations only once (such as collecting cluster logs).
 | 
			
		||||
// Here, the order of functions is reversed; first, the function which runs everywhere,
 | 
			
		||||
// and then the function that only runs on the first Ginkgo node.
 | 
			
		||||
var _ = ginkgo.SynchronizedAfterSuite(func() {
 | 
			
		||||
	// Run on all Ginkgo nodes
 | 
			
		||||
 | 
			
		||||
}, func() {
 | 
			
		||||
	// Run only Ginkgo on node 1
 | 
			
		||||
	if testContext.ReportDir != "" {
 | 
			
		||||
		CoreDump(testContext.ReportDir)
 | 
			
		||||
	}
 | 
			
		||||
})
 | 
			
		||||
 | 
			
		||||
// TestE2E checks configuration parameters (specified through flags) and then runs
 | 
			
		||||
// E2E tests using the Ginkgo runner.
 | 
			
		||||
// If a "report directory" is specified, one or more JUnit test reports will be
 | 
			
		||||
// generated in this directory, and cluster logs will also be saved.
 | 
			
		||||
// This function is called on each Ginkgo node in parallel mode.
 | 
			
		||||
func TestE2E(t *testing.T) {
 | 
			
		||||
	util.ReallyCrash = true
 | 
			
		||||
	util.InitLogs()
 | 
			
		||||
	defer util.FlushLogs()
 | 
			
		||||
 | 
			
		||||
	// We must call setupProviderConfig first since SynchronizedBeforeSuite needs
 | 
			
		||||
	// cloudConfig to be set up already.
 | 
			
		||||
	if err := setupProviderConfig(); err != nil {
 | 
			
		||||
		glog.Fatalf(err.Error())
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	gomega.RegisterFailHandler(ginkgo.Fail)
 | 
			
		||||
	// Disable skipped tests unless they are explicitly requested.
 | 
			
		||||
	if config.GinkgoConfig.FocusString == "" && config.GinkgoConfig.SkipString == "" {
 | 
			
		||||
		// TODO(ihmccreery) Remove [Skipped] once all [Skipped] labels have been reclassified.
 | 
			
		||||
		config.GinkgoConfig.SkipString = `\[Flaky\]|\[Skipped\]|\[Feature:.+\]`
 | 
			
		||||
	}
 | 
			
		||||
 | 
			
		||||
	// Run tests through the Ginkgo runner with output to console + JUnit for Jenkins
 | 
			
		||||
	var r []ginkgo.Reporter
 | 
			
		||||
	if testContext.ReportDir != "" {
 | 
			
		||||
		// TODO: we should probably only be trying to create this directory once
 | 
			
		||||
		// rather than once-per-Ginkgo-node.
 | 
			
		||||
		if err := os.MkdirAll(testContext.ReportDir, 0755); err != nil {
 | 
			
		||||
			glog.Errorf("Failed creating report directory: %v", err)
 | 
			
		||||
		} else {
 | 
			
		||||
			r = append(r, reporters.NewJUnitReporter(path.Join(testContext.ReportDir, fmt.Sprintf("junit_%02d.xml", config.GinkgoConfig.ParallelNode))))
 | 
			
		||||
		}
 | 
			
		||||
	}
 | 
			
		||||
	glog.Infof("Starting e2e run %q on Ginkgo node %d", runId, config.GinkgoConfig.ParallelNode)
 | 
			
		||||
	ginkgo.RunSpecsWithDefaultAndCustomReporters(t, "Kubernetes e2e suite", r)
 | 
			
		||||
	RunE2ETests(t)
 | 
			
		||||
}
 | 
			
		||||
 
 | 
			
		||||
		Reference in New Issue
	
	Block a user