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Merge pull request #76255 from SataQiu/fix-golint-service_util-20190408
Fix some golint failures of test/e2e/framework/service_util.go
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ce0be7fa20
@ -43,7 +43,7 @@ import (
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testutils "k8s.io/kubernetes/test/utils"
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imageutils "k8s.io/kubernetes/test/utils/image"
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. "github.com/onsi/ginkgo"
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"github.com/onsi/ginkgo"
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)
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const (
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@ -65,12 +65,13 @@ const (
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// on AWS. A few minutes is typical, so use 10m.
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LoadBalancerLagTimeoutAWS = 10 * time.Minute
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// How long to wait for a load balancer to be created/modified.
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//TODO: once support ticket 21807001 is resolved, reduce this timeout back to something reasonable
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// LoadBalancerCreateTimeoutDefault is the default time to wait for a load balancer to be created/modified.
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// TODO: once support ticket 21807001 is resolved, reduce this timeout back to something reasonable
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LoadBalancerCreateTimeoutDefault = 20 * time.Minute
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LoadBalancerCreateTimeoutLarge = 2 * time.Hour
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// LoadBalancerCreateTimeoutLarge is the maximum time to wait for a load balancer to be created/modified.
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LoadBalancerCreateTimeoutLarge = 2 * time.Hour
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// Time required by the loadbalancer to cleanup, proportional to numApps/Ing.
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// LoadBalancerCleanupTimeout is the time required by the loadbalancer to cleanup, proportional to numApps/Ing.
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// Bring the cleanup timeout back down to 5m once b/33588344 is resolved.
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LoadBalancerCleanupTimeout = 15 * time.Minute
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@ -97,10 +98,10 @@ const (
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AffinityConfirmCount = 15
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)
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// This should match whatever the default/configured range is
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// ServiceNodePortRange should match whatever the default/configured range is
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var ServiceNodePortRange = utilnet.PortRange{Base: 30000, Size: 2768}
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// A test jig to help service testing.
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// ServiceTestJig is a test jig to help service testing.
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type ServiceTestJig struct {
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ID string
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Name string
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@ -255,7 +256,7 @@ func (j *ServiceTestJig) ChangeServiceType(namespace, name string, newType v1.Se
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// If createPod is true, it also creates an RC with 1 replica of
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// the standard netexec container used everywhere in this test.
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func (j *ServiceTestJig) CreateOnlyLocalNodePortService(namespace, serviceName string, createPod bool) *v1.Service {
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By("creating a service " + namespace + "/" + serviceName + " with type=NodePort and ExternalTrafficPolicy=Local")
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ginkgo.By("creating a service " + namespace + "/" + serviceName + " with type=NodePort and ExternalTrafficPolicy=Local")
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svc := j.CreateTCPServiceOrFail(namespace, func(svc *v1.Service) {
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svc.Spec.Type = v1.ServiceTypeNodePort
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svc.Spec.ExternalTrafficPolicy = v1.ServiceExternalTrafficPolicyTypeLocal
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@ -263,7 +264,7 @@ func (j *ServiceTestJig) CreateOnlyLocalNodePortService(namespace, serviceName s
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})
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if createPod {
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By("creating a pod to be part of the service " + serviceName)
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ginkgo.By("creating a pod to be part of the service " + serviceName)
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j.RunOrFail(namespace, nil)
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}
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j.SanityCheckService(svc, v1.ServiceTypeNodePort)
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@ -276,7 +277,7 @@ func (j *ServiceTestJig) CreateOnlyLocalNodePortService(namespace, serviceName s
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// the standard netexec container used everywhere in this test.
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func (j *ServiceTestJig) CreateOnlyLocalLoadBalancerService(namespace, serviceName string, timeout time.Duration, createPod bool,
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tweak func(svc *v1.Service)) *v1.Service {
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By("creating a service " + namespace + "/" + serviceName + " with type=LoadBalancer and ExternalTrafficPolicy=Local")
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ginkgo.By("creating a service " + namespace + "/" + serviceName + " with type=LoadBalancer and ExternalTrafficPolicy=Local")
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svc := j.CreateTCPServiceOrFail(namespace, func(svc *v1.Service) {
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svc.Spec.Type = v1.ServiceTypeLoadBalancer
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// We need to turn affinity off for our LB distribution tests
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@ -288,10 +289,10 @@ func (j *ServiceTestJig) CreateOnlyLocalLoadBalancerService(namespace, serviceNa
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})
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if createPod {
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By("creating a pod to be part of the service " + serviceName)
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ginkgo.By("creating a pod to be part of the service " + serviceName)
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j.RunOrFail(namespace, nil)
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}
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By("waiting for loadbalancer for service " + namespace + "/" + serviceName)
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ginkgo.By("waiting for loadbalancer for service " + namespace + "/" + serviceName)
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svc = j.WaitForLoadBalancerOrFail(namespace, serviceName, timeout)
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j.SanityCheckService(svc, v1.ServiceTypeLoadBalancer)
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return svc
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@ -300,7 +301,7 @@ func (j *ServiceTestJig) CreateOnlyLocalLoadBalancerService(namespace, serviceNa
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// CreateLoadBalancerService creates a loadbalancer service and waits
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// for it to acquire an ingress IP.
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func (j *ServiceTestJig) CreateLoadBalancerService(namespace, serviceName string, timeout time.Duration, tweak func(svc *v1.Service)) *v1.Service {
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By("creating a service " + namespace + "/" + serviceName + " with type=LoadBalancer")
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ginkgo.By("creating a service " + namespace + "/" + serviceName + " with type=LoadBalancer")
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svc := j.CreateTCPServiceOrFail(namespace, func(svc *v1.Service) {
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svc.Spec.Type = v1.ServiceTypeLoadBalancer
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// We need to turn affinity off for our LB distribution tests
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@ -310,7 +311,7 @@ func (j *ServiceTestJig) CreateLoadBalancerService(namespace, serviceName string
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}
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})
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By("waiting for loadbalancer for service " + namespace + "/" + serviceName)
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ginkgo.By("waiting for loadbalancer for service " + namespace + "/" + serviceName)
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svc = j.WaitForLoadBalancerOrFail(namespace, serviceName, timeout)
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j.SanityCheckService(svc, v1.ServiceTypeLoadBalancer)
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return svc
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@ -402,7 +403,7 @@ func (j *ServiceTestJig) GetEndpointNodes(svc *v1.Service) map[string][]string {
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return nodeMap
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}
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// getNodes returns the first maxNodesForTest nodes. Useful in large clusters
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// GetNodes returns the first maxNodesForTest nodes. Useful in large clusters
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// where we don't eg: want to create an endpoint per node.
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func (j *ServiceTestJig) GetNodes(maxNodesForTest int) (nodes *v1.NodeList) {
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nodes = GetReadySchedulableNodesOrDie(j.Client)
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@ -1053,13 +1054,13 @@ func (j *ServiceTestJig) TestHTTPHealthCheckNodePort(host string, port int, requ
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return nil
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}
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// Simple helper class to avoid too much boilerplate in tests
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// ServiceTestFixture is a simple helper class to avoid too much boilerplate in tests
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type ServiceTestFixture struct {
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ServiceName string
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Namespace string
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Client clientset.Interface
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TestId string
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TestID string
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Labels map[string]string
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rcs map[string]bool
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@ -1073,9 +1074,9 @@ func NewServerTest(client clientset.Interface, namespace string, serviceName str
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t.Client = client
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t.Namespace = namespace
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t.ServiceName = serviceName
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t.TestId = t.ServiceName + "-" + string(uuid.NewUUID())
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t.TestID = t.ServiceName + "-" + string(uuid.NewUUID())
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t.Labels = map[string]string{
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"testid": t.TestId,
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"testid": t.TestID,
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}
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t.rcs = make(map[string]bool)
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@ -1087,7 +1088,7 @@ func NewServerTest(client clientset.Interface, namespace string, serviceName str
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return t
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}
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// Build default config for a service (which can then be changed)
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// BuildServiceSpec builds default config for a service (which can then be changed)
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func (t *ServiceTestFixture) BuildServiceSpec() *v1.Service {
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service := &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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@ -1128,7 +1129,7 @@ func (t *ServiceTestFixture) CreateRC(rc *v1.ReplicationController) (*v1.Replica
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return rc, err
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}
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// Create a service, and record it for cleanup
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// CreateService creates a service, and record it for cleanup
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func (t *ServiceTestFixture) CreateService(service *v1.Service) (*v1.Service, error) {
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result, err := t.Client.CoreV1().Services(t.Namespace).Create(service)
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if err == nil {
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@ -1137,7 +1138,7 @@ func (t *ServiceTestFixture) CreateService(service *v1.Service) (*v1.Service, er
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return result, err
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}
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// Delete a service, and remove it from the cleanup list
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// DeleteService deletes a service, and remove it from the cleanup list
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func (t *ServiceTestFixture) DeleteService(serviceName string) error {
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err := t.Client.CoreV1().Services(t.Namespace).Delete(serviceName, nil)
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if err == nil {
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@ -1149,7 +1150,7 @@ func (t *ServiceTestFixture) DeleteService(serviceName string) error {
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func (t *ServiceTestFixture) Cleanup() []error {
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var errs []error
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for rcName := range t.rcs {
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By("stopping RC " + rcName + " in namespace " + t.Namespace)
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ginkgo.By("stopping RC " + rcName + " in namespace " + t.Namespace)
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err := retry.RetryOnConflict(retry.DefaultRetry, func() error {
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// First, resize the RC to 0.
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old, err := t.Client.CoreV1().ReplicationControllers(t.Namespace).Get(rcName, metav1.GetOptions{})
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@ -1182,7 +1183,7 @@ func (t *ServiceTestFixture) Cleanup() []error {
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}
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for serviceName := range t.services {
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By("deleting service " + serviceName + " in namespace " + t.Namespace)
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ginkgo.By("deleting service " + serviceName + " in namespace " + t.Namespace)
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err := t.Client.CoreV1().Services(t.Namespace).Delete(serviceName, nil)
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if err != nil {
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if !errors.IsNotFound(err) {
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@ -1281,7 +1282,7 @@ func validatePortsOrFail(endpoints PortsByPodUID, expectedEndpoints PortsByPodUI
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}
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func ValidateEndpointsOrFail(c clientset.Interface, namespace, serviceName string, expectedEndpoints PortsByPodName) {
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By(fmt.Sprintf("waiting up to %v for service %s in namespace %s to expose endpoints %v", ServiceStartTimeout, serviceName, namespace, expectedEndpoints))
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ginkgo.By(fmt.Sprintf("waiting up to %v for service %s in namespace %s to expose endpoints %v", ServiceStartTimeout, serviceName, namespace, expectedEndpoints))
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i := 1
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for start := time.Now(); time.Since(start) < ServiceStartTimeout; time.Sleep(1 * time.Second) {
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endpoints, err := c.CoreV1().Endpoints(namespace).Get(serviceName, metav1.GetOptions{})
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@ -1323,7 +1324,7 @@ func ValidateEndpointsOrFail(c clientset.Interface, namespace, serviceName strin
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func StartServeHostnameService(c clientset.Interface, svc *v1.Service, ns string, replicas int) ([]string, string, error) {
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podNames := make([]string, replicas)
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name := svc.ObjectMeta.Name
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By("creating service " + name + " in namespace " + ns)
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ginkgo.By("creating service " + name + " in namespace " + ns)
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_, err := c.CoreV1().Services(ns).Create(svc)
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if err != nil {
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return podNames, "", err
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@ -1420,7 +1421,7 @@ func VerifyServeHostnameServiceUp(c clientset.Interface, ns, host string, expect
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}
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expectedEndpoints := sets.NewString(expectedPods...)
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By(fmt.Sprintf("verifying service has %d reachable backends", len(expectedPods)))
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ginkgo.By(fmt.Sprintf("verifying service has %d reachable backends", len(expectedPods)))
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for _, cmdFunc := range commands {
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passed := false
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gotEndpoints := sets.NewString()
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@ -1567,9 +1568,9 @@ func checkAffinityFailed(tracker affinityTracker, err string) {
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// number of same response observed in a row. If affinity is not expected, the
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// test will keep observe until different responses observed. The function will
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// return false only in case of unexpected errors.
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func CheckAffinity(jig *ServiceTestJig, execPod *v1.Pod, targetIp string, targetPort int, shouldHold bool) bool {
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targetIpPort := net.JoinHostPort(targetIp, strconv.Itoa(targetPort))
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cmd := fmt.Sprintf(`wget -qO- http://%s/ -T 2`, targetIpPort)
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func CheckAffinity(jig *ServiceTestJig, execPod *v1.Pod, targetIP string, targetPort int, shouldHold bool) bool {
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targetIPPort := net.JoinHostPort(targetIP, strconv.Itoa(targetPort))
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cmd := fmt.Sprintf(`wget -qO- http://%s/ -T 2`, targetIPPort)
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timeout := ServiceTestTimeout
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if execPod == nil {
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timeout = LoadBalancerPollTimeout
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@ -1577,14 +1578,14 @@ func CheckAffinity(jig *ServiceTestJig, execPod *v1.Pod, targetIp string, target
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var tracker affinityTracker
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if pollErr := wait.PollImmediate(Poll, timeout, func() (bool, error) {
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if execPod != nil {
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if stdout, err := RunHostCmd(execPod.Namespace, execPod.Name, cmd); err != nil {
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Logf("Failed to get response from %s. Retry until timeout", targetIpPort)
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stdout, err := RunHostCmd(execPod.Namespace, execPod.Name, cmd)
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if err != nil {
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Logf("Failed to get response from %s. Retry until timeout", targetIPPort)
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return false, nil
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} else {
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tracker.recordHost(stdout)
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}
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tracker.recordHost(stdout)
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} else {
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rawResponse := jig.GetHTTPContent(targetIp, targetPort, timeout, "")
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rawResponse := jig.GetHTTPContent(targetIP, targetPort, timeout, "")
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tracker.recordHost(rawResponse.String())
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}
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trackerFulfilled, affinityHolds := tracker.checkHostTrace(AffinityConfirmCount)
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@ -1600,17 +1601,16 @@ func CheckAffinity(jig *ServiceTestJig, execPod *v1.Pod, targetIp string, target
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if pollErr != wait.ErrWaitTimeout {
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checkAffinityFailed(tracker, pollErr.Error())
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return false
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} else {
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if !trackerFulfilled {
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checkAffinityFailed(tracker, fmt.Sprintf("Connection to %s timed out or not enough responses.", targetIpPort))
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}
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if shouldHold {
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checkAffinityFailed(tracker, "Affinity should hold but didn't.")
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} else {
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checkAffinityFailed(tracker, "Affinity shouldn't hold but did.")
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}
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return true
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}
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if !trackerFulfilled {
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checkAffinityFailed(tracker, fmt.Sprintf("Connection to %s timed out or not enough responses.", targetIPPort))
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}
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if shouldHold {
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checkAffinityFailed(tracker, "Affinity should hold but didn't.")
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} else {
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checkAffinityFailed(tracker, "Affinity shouldn't hold but did.")
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}
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return true
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}
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return true
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}
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