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Merge pull request #2795 from krzysied/vpa_webhook_test
VPA - Injected sidecar e2e test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| Copyright 2020 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. | ||
| */ | ||
|
|
||
| // COPY OF https://github.com/kubernetes/kubernetes/blob/master/test/e2e/apimachinery/certs.go | ||
|
|
||
| package utils | ||
|
|
||
| import ( | ||
| "crypto/x509" | ||
| "io/ioutil" | ||
| "os" | ||
|
|
||
| "k8s.io/client-go/util/cert" | ||
| "k8s.io/client-go/util/keyutil" | ||
| "k8s.io/kubernetes/test/e2e/framework" | ||
| "k8s.io/kubernetes/test/utils" | ||
| ) | ||
|
|
||
| type certContext struct { | ||
| cert []byte | ||
| key []byte | ||
| signingCert []byte | ||
| } | ||
|
|
||
| // SetupWebhookCert sets up the server cert. For example, user, apiservers and admission webhooks | ||
| // can use the cert to prove their identity to the kube-apiserver. | ||
| func SetupWebhookCert(namespaceName string) *certContext { | ||
| certDir, err := ioutil.TempDir("", "test-e2e-server-cert") | ||
| if err != nil { | ||
| framework.Failf("Failed to create a temp dir for cert generation %v", err) | ||
| } | ||
| defer os.RemoveAll(certDir) | ||
| signingKey, err := utils.NewPrivateKey() | ||
| if err != nil { | ||
| framework.Failf("Failed to create CA private key %v", err) | ||
| } | ||
| signingCert, err := cert.NewSelfSignedCACert(cert.Config{CommonName: "e2e-server-cert-ca"}, signingKey) | ||
| if err != nil { | ||
| framework.Failf("Failed to create CA cert for apiserver %v", err) | ||
| } | ||
| caCertFile, err := ioutil.TempFile(certDir, "ca.crt") | ||
| if err != nil { | ||
| framework.Failf("Failed to create a temp file for ca cert generation %v", err) | ||
| } | ||
| if err := ioutil.WriteFile(caCertFile.Name(), utils.EncodeCertPEM(signingCert), 0644); err != nil { | ||
| framework.Failf("Failed to write CA cert %v", err) | ||
| } | ||
| key, err := utils.NewPrivateKey() | ||
| if err != nil { | ||
| framework.Failf("Failed to create private key for %v", err) | ||
| } | ||
| signedCert, err := utils.NewSignedCert( | ||
| &cert.Config{ | ||
| CommonName: WebhookServiceName + "." + namespaceName + ".svc", | ||
| Usages: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, | ||
| }, | ||
| key, signingCert, signingKey, | ||
| ) | ||
| if err != nil { | ||
| framework.Failf("Failed to create cert%v", err) | ||
| } | ||
| certFile, err := ioutil.TempFile(certDir, "server.crt") | ||
| if err != nil { | ||
| framework.Failf("Failed to create a temp file for cert generation %v", err) | ||
| } | ||
| keyFile, err := ioutil.TempFile(certDir, "server.key") | ||
| if err != nil { | ||
| framework.Failf("Failed to create a temp file for key generation %v", err) | ||
| } | ||
| if err = ioutil.WriteFile(certFile.Name(), utils.EncodeCertPEM(signedCert), 0600); err != nil { | ||
| framework.Failf("Failed to write cert file %v", err) | ||
| } | ||
| privateKeyPEM, err := keyutil.MarshalPrivateKeyToPEM(key) | ||
| if err != nil { | ||
| framework.Failf("Failed to marshal key %v", err) | ||
| } | ||
| if err = ioutil.WriteFile(keyFile.Name(), privateKeyPEM, 0644); err != nil { | ||
| framework.Failf("Failed to write key file %v", err) | ||
| } | ||
| return &certContext{ | ||
| cert: utils.EncodeCertPEM(signedCert), | ||
| key: privateKeyPEM, | ||
| signingCert: utils.EncodeCertPEM(signingCert), | ||
| } | ||
| } |
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