apiserver/plugin/pkg/authenticator/token/webhook/metrics_test.go

118 lines
3.7 KiB
Go

/*
Copyright 2021 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 webhook
import (
"context"
"testing"
)
func TestAuthenticatorMetrics(t *testing.T) {
scenarios := []struct {
name string
clientCert, clientKey, clientCA []byte
serverCert, serverKey, serverCA []byte
authnFakeServiceStatusCode int
authFakeServiceDeny bool
expectedRegisteredStatusCode string
wantErr bool
}{
{
name: "happy path",
clientCert: clientCert, clientKey: clientKey, clientCA: caCert,
serverCert: serverCert, serverKey: serverKey, serverCA: caCert,
expectedRegisteredStatusCode: "200",
},
{
name: "an internal error returned from the webhook",
clientCert: clientCert, clientKey: clientKey, clientCA: caCert,
serverCert: serverCert, serverKey: serverKey, serverCA: caCert,
authnFakeServiceStatusCode: 500,
expectedRegisteredStatusCode: "500",
},
{
name: "incorrect client certificate used, the webhook not called, an error is recorded",
clientCert: clientCert, clientKey: clientKey, clientCA: caCert,
serverCert: serverCert, serverKey: serverKey, serverCA: badCACert,
expectedRegisteredStatusCode: "<error>",
wantErr: true,
},
}
for _, scenario := range scenarios {
t.Run(scenario.name, func(t *testing.T) {
service := new(mockV1Service)
service.statusCode = scenario.authnFakeServiceStatusCode
if service.statusCode == 0 {
service.statusCode = 200
}
service.allow = !scenario.authFakeServiceDeny
server, err := NewV1TestServer(service, scenario.serverCert, scenario.serverKey, scenario.serverCA)
if err != nil {
t.Errorf("%s: failed to create server: %v", scenario.name, err)
return
}
defer server.Close()
fakeAuthnMetrics := &fakeAuthenticatorMetrics{}
authnMetrics := AuthenticatorMetrics{
RecordRequestTotal: fakeAuthnMetrics.RequestTotal,
RecordRequestLatency: fakeAuthnMetrics.RequestLatency,
}
wh, err := newV1TokenAuthenticator(server.URL, scenario.clientCert, scenario.clientKey, scenario.clientCA, 0, nil, authnMetrics)
if err != nil {
t.Error("failed to create client")
return
}
_, _, err = wh.AuthenticateToken(context.Background(), "t0k3n")
if scenario.wantErr {
if err == nil {
t.Errorf("expected error making authorization request: %v", err)
}
}
if fakeAuthnMetrics.totalCode != scenario.expectedRegisteredStatusCode {
t.Errorf("incorrect status code recorded for RecordRequestTotal method, expected = %v, got %v", scenario.expectedRegisteredStatusCode, fakeAuthnMetrics.totalCode)
}
if fakeAuthnMetrics.latencyCode != scenario.expectedRegisteredStatusCode {
t.Errorf("incorrect status code recorded for RecordRequestLatency method, expected = %v, got %v", scenario.expectedRegisteredStatusCode, fakeAuthnMetrics.latencyCode)
}
})
}
}
type fakeAuthenticatorMetrics struct {
totalCode string
latency float64
latencyCode string
}
func (f *fakeAuthenticatorMetrics) RequestTotal(_ context.Context, code string) {
f.totalCode = code
}
func (f *fakeAuthenticatorMetrics) RequestLatency(_ context.Context, code string, latency float64) {
f.latency = latency
f.latencyCode = code
}