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Merge pull request #95533 from roycaihw/apiserver-lease-controller

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Add kube-apiserver lease controller
This commit is contained in:
Kubernetes Prow Robot
2020-11-06 18:09:37 -08:00
committed by GitHub
parent 48a0ef6a39 39f8daf967
commit 281866b35c
11 changed files with 164 additions and 10 deletions
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4
test/integration/master/BUILD
View File

@@ -10,6 +10,7 @@ go_test(
name = "go_default_test",
size = "large",
srcs = [
"apiserver_identity_test.go",
"audit_test.go",
"crd_test.go",
"graceful_shutdown_test.go",
@@ -49,14 +50,17 @@ go_test(
"//staging/src/k8s.io/apiserver/pkg/authentication/user:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/authorization/authorizer:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/authorization/authorizerfactory:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/features:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/registry/generic/registry:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/storage/value:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/storage/value/encrypt/aes:go_default_library",
"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
"//staging/src/k8s.io/apiserver/plugin/pkg/authenticator/token/tokentest:go_default_library",
"//staging/src/k8s.io/client-go/dynamic:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes/typed/core/v1:go_default_library",
"//staging/src/k8s.io/client-go/rest:go_default_library",
"//staging/src/k8s.io/component-base/featuregate/testing:go_default_library",
"//staging/src/k8s.io/kube-aggregator/pkg/apis/apiregistration:go_default_library",
"//test/integration:go_default_library",
"//test/integration/etcd:go_default_library",

64
test/integration/master/apiserver_identity_test.go Normal file
View File

@@ -0,0 +1,64 @@
/*
Copyright 2020 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package master
import (
"context"
"strings"
"testing"
"time"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apiserver/pkg/features"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/kubernetes"
featuregatetesting "k8s.io/component-base/featuregate/testing"
kubeapiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing"
"k8s.io/kubernetes/pkg/controlplane"
"k8s.io/kubernetes/test/integration/framework"
)
const apiserverIdentityLeaseLabelSelector = controlplane.IdentityLeaseComponentLabelKey + "=" + controlplane.KubeAPIServer
func TestCreateLeaseOnStart(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.APIServerIdentity, true)()
result := kubeapiservertesting.StartTestServerOrDie(t, nil, nil, framework.SharedEtcd())
defer result.TearDownFn()
kubeclient, err := kubernetes.NewForConfig(result.ClientConfig)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
t.Logf(`Waiting the kube-apiserver Lease to be created`)
if err := wait.PollImmediate(500*time.Millisecond, 10*time.Second, func() (bool, error) {
leases, err := kubeclient.
CoordinationV1().
Leases(metav1.NamespaceSystem).
List(context.TODO(), metav1.ListOptions{LabelSelector: apiserverIdentityLeaseLabelSelector})
if err != nil {
return false, err
}
if leases != nil && len(leases.Items) == 1 && strings.HasPrefix(leases.Items[0].Name, "kube-apiserver-") {
return true, nil
}
return false, nil
}); err != nil {
t.Fatalf("Failed to see the kube-apiserver lease: %v", err)
}
}