k8s.io/apiserver@v0.31.1/plugin/pkg/authenticator/token/webhook/metrics_test.go (about) 1 /* 2 Copyright 2021 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package webhook 18 19 import ( 20 "context" 21 "testing" 22 ) 23 24 func TestAuthenticatorMetrics(t *testing.T) { 25 scenarios := []struct { 26 name string 27 clientCert, clientKey, clientCA []byte 28 serverCert, serverKey, serverCA []byte 29 authnFakeServiceStatusCode int 30 authFakeServiceDeny bool 31 expectedRegisteredStatusCode string 32 wantErr bool 33 }{ 34 { 35 name: "happy path", 36 clientCert: clientCert, clientKey: clientKey, clientCA: caCert, 37 serverCert: serverCert, serverKey: serverKey, serverCA: caCert, 38 expectedRegisteredStatusCode: "200", 39 }, 40 41 { 42 name: "an internal error returned from the webhook", 43 clientCert: clientCert, clientKey: clientKey, clientCA: caCert, 44 serverCert: serverCert, serverKey: serverKey, serverCA: caCert, 45 authnFakeServiceStatusCode: 500, 46 expectedRegisteredStatusCode: "500", 47 }, 48 49 { 50 name: "incorrect client certificate used, the webhook not called, an error is recorded", 51 clientCert: clientCert, clientKey: clientKey, clientCA: caCert, 52 serverCert: serverCert, serverKey: serverKey, serverCA: badCACert, 53 expectedRegisteredStatusCode: "<error>", 54 wantErr: true, 55 }, 56 } 57 58 for _, scenario := range scenarios { 59 t.Run(scenario.name, func(t *testing.T) { 60 service := new(mockV1Service) 61 service.statusCode = scenario.authnFakeServiceStatusCode 62 if service.statusCode == 0 { 63 service.statusCode = 200 64 } 65 service.allow = !scenario.authFakeServiceDeny 66 67 server, err := NewV1TestServer(service, scenario.serverCert, scenario.serverKey, scenario.serverCA) 68 if err != nil { 69 t.Errorf("%s: failed to create server: %v", scenario.name, err) 70 return 71 } 72 defer server.Close() 73 74 fakeAuthnMetrics := &fakeAuthenticatorMetrics{} 75 authnMetrics := AuthenticatorMetrics{ 76 RecordRequestTotal: fakeAuthnMetrics.RequestTotal, 77 RecordRequestLatency: fakeAuthnMetrics.RequestLatency, 78 } 79 wh, err := newV1TokenAuthenticator(server.URL, scenario.clientCert, scenario.clientKey, scenario.clientCA, 0, nil, authnMetrics) 80 if err != nil { 81 t.Error("failed to create client") 82 return 83 } 84 85 _, _, err = wh.AuthenticateToken(context.Background(), "t0k3n") 86 if scenario.wantErr { 87 if err == nil { 88 t.Errorf("expected error making authorization request: %v", err) 89 } 90 } 91 92 if fakeAuthnMetrics.totalCode != scenario.expectedRegisteredStatusCode { 93 t.Errorf("incorrect status code recorded for RecordRequestTotal method, expected = %v, got %v", scenario.expectedRegisteredStatusCode, fakeAuthnMetrics.totalCode) 94 } 95 96 if fakeAuthnMetrics.latencyCode != scenario.expectedRegisteredStatusCode { 97 t.Errorf("incorrect status code recorded for RecordRequestLatency method, expected = %v, got %v", scenario.expectedRegisteredStatusCode, fakeAuthnMetrics.latencyCode) 98 } 99 }) 100 } 101 } 102 103 type fakeAuthenticatorMetrics struct { 104 totalCode string 105 106 latency float64 107 latencyCode string 108 } 109 110 func (f *fakeAuthenticatorMetrics) RequestTotal(_ context.Context, code string) { 111 f.totalCode = code 112 } 113 114 func (f *fakeAuthenticatorMetrics) RequestLatency(_ context.Context, code string, latency float64) { 115 f.latency = latency 116 f.latencyCode = code 117 }