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split services between multiple namespaces

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This commit is contained in:
Chris O'Haver 2018-06-28 17:35:24 -04:00
parent a68a909b36
commit e94304d814
1 changed files with 14 additions and 4 deletions
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18
test/e2e/network/dns_scale_records.go
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@ -34,6 +34,7 @@ import (
const (
parallelCreateServiceWorkers = 1
maxServicesPerCluster = 10000
maxServicesPerNamespace = 5000
checkServicePercent = 0.05
)
@ -50,10 +51,19 @@ var _ = SIGDescribe("[Feature:PerformanceDNS]", func() {
// answers dns for service - creates the maximum number of services, and then check dns record for one
It("Should answer DNS query for maximum number of services per cluster", func() {
services := generateServicesInNamespace(f.Namespace.Name, maxServicesPerCluster)
// get integer ceiling of maxServicesPerCluster / maxServicesPerNamespace
numNs := (maxServicesPerCluster + maxServicesPerNamespace - 1) / maxServicesPerNamespace
var namespaces []string
for i := 0; i < numNs; i++ {
ns, _ := f.CreateNamespace(f.BaseName, nil)
namespaces = append(namespaces, ns.Name)
}
services := generateServicesInNamespaces(namespaces, maxServicesPerCluster)
createService := func(i int) {
defer GinkgoRecover()
framework.ExpectNoError(testutils.CreateServiceWithRetries(f.ClientSet, f.Namespace.Name, services[i]))
framework.ExpectNoError(testutils.CreateServiceWithRetries(f.ClientSet, services[i].Namespace, services[i]))
}
framework.Logf("Creating %v test services", maxServicesPerCluster)
workqueue.Parallelize(parallelCreateServiceWorkers, len(services), createService)
@ -86,13 +96,13 @@ var _ = SIGDescribe("[Feature:PerformanceDNS]", func() {
})
})
func generateServicesInNamespace(namespace string, num int) []*v1.Service {
func generateServicesInNamespaces(namespaces []string, num int) []*v1.Service {
services := make([]*v1.Service, num)
for i := 0; i < num; i++ {
services[i] = &v1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "svc-" + strconv.Itoa(i),
Namespace: namespace,
Namespace: namespaces[i%len(namespaces)],
},
Spec: v1.ServiceSpec{
Ports: []v1.ServicePort{{