65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
/*
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Copyright 2020 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 master
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import (
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"context"
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"strings"
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"testing"
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"time"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/apiserver/pkg/features"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/client-go/kubernetes"
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featuregatetesting "k8s.io/component-base/featuregate/testing"
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kubeapiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing"
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"k8s.io/kubernetes/pkg/controlplane"
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"k8s.io/kubernetes/test/integration/framework"
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)
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const apiserverIdentityLeaseLabelSelector = controlplane.IdentityLeaseComponentLabelKey + "=" + controlplane.KubeAPIServer
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func TestCreateLeaseOnStart(t *testing.T) {
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defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.APIServerIdentity, true)()
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result := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, framework.SharedEtcd())
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defer result.TearDownFn()
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kubeclient, err := kubernetes.NewForConfig(result.ClientConfig)
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if err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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t.Logf(`Waiting the kube-apiserver Lease to be created`)
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if err := wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
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leases, err := kubeclient.
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CoordinationV1().
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Leases(metav1.NamespaceSystem).
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List(context.TODO(), metav1.ListOptions{LabelSelector: apiserverIdentityLeaseLabelSelector})
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if err != nil {
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return false, err
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}
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if leases != nil && len(leases.Items) == 1 && strings.HasPrefix(leases.Items[0].Name, "kube-apiserver-") {
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return true, nil
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}
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return false, nil
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}); err != nil {
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t.Fatalf("Failed to see the kube-apiserver lease: %v", err)
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}
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}
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