mirror of https://github.com/k3s-io/k3s
133 lines
3.7 KiB
Go
133 lines
3.7 KiB
Go
/*
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Copyright 2017 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 csr
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import (
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"fmt"
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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watch "k8s.io/apimachinery/pkg/watch"
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certificatesclient "k8s.io/client-go/kubernetes/typed/certificates/v1beta1"
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certificates "k8s.io/client-go/pkg/apis/certificates/v1beta1"
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certutil "k8s.io/client-go/util/cert"
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)
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func TestRequestNodeCertificateNoKeyData(t *testing.T) {
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certData, err := RequestNodeCertificate(&fakeClient{}, []byte{}, "fake-node-name")
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if err == nil {
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t.Errorf("Got no error, wanted error an error because there was an empty private key passed in.")
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}
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if certData != nil {
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t.Errorf("Got cert data, wanted nothing as there should have been an error.")
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}
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}
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func TestRequestNodeCertificateErrorCreatingCSR(t *testing.T) {
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client := &fakeClient{
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failureType: createError,
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}
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privateKeyData, err := certutil.MakeEllipticPrivateKeyPEM()
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if err != nil {
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t.Fatalf("Unable to generate a new private key: %v", err)
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}
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certData, err := RequestNodeCertificate(client, privateKeyData, "fake-node-name")
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if err == nil {
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t.Errorf("Got no error, wanted error an error because client.Create failed.")
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}
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if certData != nil {
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t.Errorf("Got cert data, wanted nothing as there should have been an error.")
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}
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}
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func TestRequestNodeCertificate(t *testing.T) {
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privateKeyData, err := certutil.MakeEllipticPrivateKeyPEM()
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if err != nil {
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t.Fatalf("Unable to generate a new private key: %v", err)
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}
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certData, err := RequestNodeCertificate(&fakeClient{}, privateKeyData, "fake-node-name")
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if err != nil {
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t.Errorf("Got %v, wanted no error.", err)
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}
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if certData == nil {
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t.Errorf("Got nothing, expected a CSR.")
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}
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}
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type FailureType int
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const (
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noError FailureType = iota
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createError
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certificateSigningRequestDenied
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)
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type fakeClient struct {
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certificatesclient.CertificateSigningRequestInterface
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watch *watch.FakeWatcher
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failureType FailureType
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}
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func (c *fakeClient) Create(*certificates.CertificateSigningRequest) (*certificates.CertificateSigningRequest, error) {
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if c.failureType == createError {
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return nil, fmt.Errorf("fakeClient failed creating request")
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}
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csr := certificates.CertificateSigningRequest{
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ObjectMeta: metav1.ObjectMeta{
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UID: "fake-uid",
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Name: "fake-certificate-signing-request-name",
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},
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}
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return &csr, nil
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}
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func (c *fakeClient) Watch(opts v1.ListOptions) (watch.Interface, error) {
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c.watch = watch.NewFakeWithChanSize(1, false)
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c.watch.Add(c.generateCSR())
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c.watch.Stop()
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return c.watch, nil
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}
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func (c *fakeClient) generateCSR() *certificates.CertificateSigningRequest {
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var condition certificates.CertificateSigningRequestCondition
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if c.failureType == certificateSigningRequestDenied {
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condition = certificates.CertificateSigningRequestCondition{
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Type: certificates.CertificateDenied,
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}
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} else {
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condition = certificates.CertificateSigningRequestCondition{
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Type: certificates.CertificateApproved,
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}
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}
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csr := certificates.CertificateSigningRequest{
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ObjectMeta: metav1.ObjectMeta{
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UID: "fake-uid",
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},
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Status: certificates.CertificateSigningRequestStatus{
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Conditions: []certificates.CertificateSigningRequestCondition{
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condition,
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},
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Certificate: []byte{},
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},
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}
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return &csr
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}
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