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https://github.com/k3s-io/kubernetes.git
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67 lines
2.4 KiB
Go
67 lines
2.4 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 certificates
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import (
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"context"
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"testing"
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certv1 "k8s.io/api/certificates/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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clientset "k8s.io/client-go/kubernetes"
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kubeapiservertesting "k8s.io/kubernetes/cmd/kube-apiserver/app/testing"
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"k8s.io/kubernetes/test/integration/framework"
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)
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// Verifies that the CertificateSubjectRestriction admission controller works as expected.
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func TestCertificateSubjectRestrictionPlugin(t *testing.T) {
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tests := map[string]struct {
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signerName string
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group string
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error string
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}{
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"should reject a request if signerName is kube-apiserver-client and group is system:masters": {
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signerName: certv1.KubeAPIServerClientSignerName,
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group: "system:masters",
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error: `certificatesigningrequests.certificates.k8s.io "csr" is forbidden: use of kubernetes.io/kube-apiserver-client signer with system:masters group is not allowed`,
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},
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"should admit a request if signerName is kube-apiserver-client and group is NOT system:masters": {
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signerName: certv1.KubeAPIServerClientSignerName,
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group: "system:notmasters",
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},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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// Run an apiserver with the default configuration options.
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s := kubeapiservertesting.StartTestServerOrDie(t, kubeapiservertesting.NewDefaultTestServerOptions(), []string{""}, framework.SharedEtcd())
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defer s.TearDownFn()
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client := clientset.NewForConfigOrDie(s.ClientConfig)
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// Attempt to create the CSR resource.
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csr := buildTestingCSR("csr", test.signerName, test.group)
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_, err := client.CertificatesV1().CertificateSigningRequests().Create(context.TODO(), csr, metav1.CreateOptions{})
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if err != nil && test.error != err.Error() {
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t.Errorf("expected error %q but got: %v", test.error, err)
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}
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if err == nil && test.error != "" {
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t.Errorf("expected to get an error %q but got none", test.error)
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}
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})
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}
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}
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