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71 lines
2.2 KiB
Go
71 lines
2.2 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 apiserver
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import (
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"context"
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"fmt"
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"strings"
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"testing"
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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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"k8s.io/apimachinery/pkg/types"
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"k8s.io/kubernetes/cmd/kube-apiserver/app/options"
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"k8s.io/kubernetes/test/integration/framework"
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)
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// Tests that the apiserver limits the number of operations in a json patch.
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func TestMaxJSONPatchOperations(t *testing.T) {
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stopCh := make(chan struct{})
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defer close(stopCh)
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clientSet, _ := framework.StartTestServer(t, stopCh, framework.TestServerSetup{
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ModifyServerRunOptions: func(opts *options.ServerRunOptions) {
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opts.GenericServerRunOptions.MaxRequestBodyBytes = 1024 * 1024
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},
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})
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p := `{"op":"add","path":"/x","value":"y"}`
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// maxJSONPatchOperations = 10000
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hugePatch := []byte("[" + strings.Repeat(p+",", 10000) + p + "]")
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c := clientSet.CoreV1().RESTClient()
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// Create a secret so we can patch it.
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secret := &v1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test",
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},
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}
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_, err := clientSet.CoreV1().Secrets("default").Create(context.TODO(), secret, metav1.CreateOptions{})
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if err != nil {
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t.Fatal(err)
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}
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err = c.Patch(types.JSONPatchType).AbsPath(fmt.Sprintf("/api/v1/namespaces/default/secrets/test")).
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Body(hugePatch).Do(context.TODO()).Error()
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if err == nil {
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t.Fatalf("unexpected no error")
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}
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if !apierrors.IsRequestEntityTooLargeError(err) {
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t.Errorf("expected requested entity too large err, got %v", err)
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}
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if !strings.Contains(err.Error(), "The allowed maximum operations in a JSON patch is") {
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t.Errorf("expected the error message to be about maximum operations, got %v", err)
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}
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}
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