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Merge pull request #128848 from yongruilin/flagz-integration-test-apiserver

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test: Add integration test for apiserver flagz endpoint
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Kubernetes Prow Robot 2024-12-13 03:04:32 +01:00 committed by GitHub
commit e933a30523
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1 changed files with 33 additions and 0 deletions
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33
test/integration/controlplane/kube_apiserver_test.go
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@ -38,7 +38,10 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/apimachinery/pkg/util/wait"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/kubernetes"
featuregatetesting "k8s.io/component-base/featuregate/testing"
"k8s.io/component-base/zpages/features"
"k8s.io/kube-aggregator/pkg/apis/apiregistration"
"k8s.io/kube-openapi/pkg/validation/spec"
kubeapiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing"
@ -127,6 +130,36 @@ func TestLivezAndReadyz(t *testing.T) {
}
}
func TestFlagz(t *testing.T) {
featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.ComponentFlagz, true)
server := kubeapiservertesting.StartTestServerOrDie(t, nil, framework.DefaultTestServerFlags(), framework.SharedEtcd())
defer server.TearDownFn()
client, err := kubernetes.NewForConfig(server.ClientConfig)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
res := client.CoreV1().RESTClient().Get().RequestURI("/flagz").Do(context.TODO())
var status int
res.StatusCode(&status)
if status != http.StatusOK {
t.Fatalf("flagz/ should be healthy, got %v", status)
}
expectedHeader := `
kube-apiserver flags
Warning: This endpoint is not meant to be machine parseable, has no formatting compatibility guarantees and is for debugging purposes only.`
raw, err := res.Raw()
if err != nil {
t.Fatal(err)
}
if !bytes.HasPrefix(raw, []byte(expectedHeader)) {
t.Fatalf("Header mismatch!\nExpected:\n%s\n\nGot:\n%s", expectedHeader, string(raw))
}
}
// TestOpenAPIDelegationChainPlumbing is a smoke test that checks for
// the existence of some representative paths from the
// apiextensions-server and the kube-aggregator server, both part of