96 lines
3.3 KiB
Go
96 lines
3.3 KiB
Go
/*
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Copyright 2018 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 kubemark
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import (
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"flag"
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"fmt"
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"k8s.io/client-go/informers"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/tools/clientcmd"
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"k8s.io/kubernetes/pkg/kubemark"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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var (
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kubemarkExternalKubeConfig = flag.String(fmt.Sprintf("%s-%s", "kubemark-external", clientcmd.RecommendedConfigPathFlag), "", "Path to kubeconfig containing embedded authinfo for external cluster.")
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)
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func init() {
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framework.RegisterProvider("kubemark", newProvider)
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}
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func newProvider() (framework.ProviderInterface, error) {
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// Actual initialization happens when the e2e framework gets constructed.
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return &Provider{}, nil
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}
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// Provider is a structure to handle Kubemark cluster for e2e testing
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type Provider struct {
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framework.NullProvider
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controller *kubemark.KubemarkController
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closeChannel chan struct{}
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}
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// ResizeGroup resizes an instance group
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func (p *Provider) ResizeGroup(group string, size int32) error {
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return p.controller.SetNodeGroupSize(group, int(size))
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}
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// GetGroupNodes returns a node name for the specified node group
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func (p *Provider) GetGroupNodes(group string) ([]string, error) {
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return p.controller.GetNodeNamesForNodeGroup(group)
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}
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// FrameworkBeforeEach prepares clients, configurations etc. for e2e testing
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func (p *Provider) FrameworkBeforeEach(f *framework.Framework) {
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if *kubemarkExternalKubeConfig != "" && p.controller == nil {
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externalConfig, err := clientcmd.BuildConfigFromFlags("", *kubemarkExternalKubeConfig)
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externalConfig.QPS = f.Options.ClientQPS
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externalConfig.Burst = f.Options.ClientBurst
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framework.ExpectNoError(err)
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externalClient, err := clientset.NewForConfig(externalConfig)
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framework.ExpectNoError(err)
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f.KubemarkExternalClusterClientSet = externalClient
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p.closeChannel = make(chan struct{})
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externalInformerFactory := informers.NewSharedInformerFactory(externalClient, 0)
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kubemarkInformerFactory := informers.NewSharedInformerFactory(f.ClientSet, 0)
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kubemarkNodeInformer := kubemarkInformerFactory.Core().V1().Nodes()
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go kubemarkNodeInformer.Informer().Run(p.closeChannel)
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p.controller, err = kubemark.NewKubemarkController(externalClient, externalInformerFactory, f.ClientSet, kubemarkNodeInformer)
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framework.ExpectNoError(err)
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externalInformerFactory.Start(p.closeChannel)
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framework.ExpectEqual(p.controller.WaitForCacheSync(p.closeChannel), true)
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go p.controller.Run(p.closeChannel)
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}
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}
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// FrameworkAfterEach cleans up after e2e testing
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func (p *Provider) FrameworkAfterEach(f *framework.Framework) {
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if p.closeChannel != nil {
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close(p.closeChannel)
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p.controller = nil
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p.closeChannel = nil
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}
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}
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// GroupSize returns the size of an instance group
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func (p *Provider) GroupSize(group string) (int, error) {
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return p.controller.GetNodeGroupSize(group)
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}
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