107 lines
3.4 KiB
Go
107 lines
3.4 KiB
Go
/*
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Copyright 2019 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 service
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import (
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"context"
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"time"
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v1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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clientset "k8s.io/client-go/kubernetes"
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restclient "k8s.io/client-go/rest"
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"k8s.io/kubernetes/test/e2e/framework"
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e2enode "k8s.io/kubernetes/test/e2e/framework/node"
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)
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// GetServicesProxyRequest returns a request for a service proxy.
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func GetServicesProxyRequest(c clientset.Interface, request *restclient.Request) (*restclient.Request, error) {
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return request.Resource("services").SubResource("proxy"), nil
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}
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// CreateServiceSpec returns a Service object for testing.
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func CreateServiceSpec(serviceName, externalName string, isHeadless bool, selector map[string]string) *v1.Service {
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headlessService := &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: serviceName,
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},
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Spec: v1.ServiceSpec{
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Selector: selector,
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},
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}
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if externalName != "" {
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headlessService.Spec.Type = v1.ServiceTypeExternalName
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headlessService.Spec.ExternalName = externalName
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} else {
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headlessService.Spec.Ports = []v1.ServicePort{
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{Port: 80, Name: "http", Protocol: v1.ProtocolTCP},
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}
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}
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if isHeadless {
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headlessService.Spec.ClusterIP = "None"
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}
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return headlessService
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}
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// UpdateService fetches a service, calls the update function on it,
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// and then attempts to send the updated service. It retries up to 2
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// times in the face of timeouts and conflicts.
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func UpdateService(c clientset.Interface, namespace, serviceName string, update func(*v1.Service)) (*v1.Service, error) {
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var service *v1.Service
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var err error
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for i := 0; i < 3; i++ {
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service, err = c.CoreV1().Services(namespace).Get(context.TODO(), serviceName, metav1.GetOptions{})
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if err != nil {
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return service, err
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}
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update(service)
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service, err = c.CoreV1().Services(namespace).Update(context.TODO(), service, metav1.UpdateOptions{})
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if !apierrors.IsConflict(err) && !apierrors.IsServerTimeout(err) {
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return service, err
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}
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}
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return service, err
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}
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// CleanupServiceResources cleans up service Type=LoadBalancer resources.
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func CleanupServiceResources(c clientset.Interface, loadBalancerName, region, zone string) {
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framework.TestContext.CloudConfig.Provider.CleanupServiceResources(c, loadBalancerName, region, zone)
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}
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// GetIngressPoint returns a host on which ingress serves.
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func GetIngressPoint(ing *v1.LoadBalancerIngress) string {
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host := ing.IP
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if host == "" {
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host = ing.Hostname
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}
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return host
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}
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// GetServiceLoadBalancerCreationTimeout returns a timeout value for creating a load balancer of a service.
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func GetServiceLoadBalancerCreationTimeout(cs clientset.Interface) time.Duration {
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nodes, err := e2enode.GetReadySchedulableNodes(cs)
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framework.ExpectNoError(err)
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if len(nodes.Items) > LargeClusterMinNodesNumber {
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return LoadBalancerCreateTimeoutLarge
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}
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return LoadBalancerCreateTimeoutDefault
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}
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