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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package virt_api | ||
|
|
||
| import ( | ||
| . "github.com/onsi/ginkgo" | ||
| . "github.com/onsi/gomega" | ||
| v1 "k8s.io/api/core/v1" | ||
| v12 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/tools/cache" | ||
| "k8s.io/client-go/util/cert" | ||
| "k8s.io/client-go/util/cert/triple" | ||
|
|
||
| "kubevirt.io/kubevirt/pkg/util" | ||
| ) | ||
|
|
||
| var _ = Describe("CaManager", func() { | ||
|
|
||
| var configMap *v1.ConfigMap | ||
| var manager ClientCAManager | ||
| var store cache.Store | ||
|
|
||
| BeforeEach(func() { | ||
| ca, err := triple.NewCA("first") | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| configMap = &v1.ConfigMap{ | ||
| ObjectMeta: v12.ObjectMeta{ | ||
| Name: util.ExtensionAPIServerAuthenticationConfigMap, | ||
| Namespace: v12.NamespaceSystem, | ||
| ResourceVersion: "1", | ||
| }, | ||
| Data: map[string]string{ | ||
| util.RequestHeaderClientCAFileKey: string(cert.EncodeCertPEM(ca.Cert)), | ||
| }, | ||
| } | ||
| store = cache.NewStore(cache.DeletionHandlingMetaNamespaceKeyFunc) | ||
| Expect(store.Add(configMap)).To(Succeed()) | ||
| manager = NewClientCAManager(store) | ||
| }) | ||
|
|
||
| It("should load an initial CA", func() { | ||
| cert, err := manager.GetCurrent() | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| Expect(cert.Subjects()[0]).To(ContainSubstring("first")) | ||
| }) | ||
|
|
||
| It("should detect updates on the informer and update the CA", func() { | ||
| newCA, err := triple.NewCA("new") | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| configMap.Data[util.RequestHeaderClientCAFileKey] = string(cert.EncodeCertPEM(newCA.Cert)) | ||
| configMap.ObjectMeta.ResourceVersion = "2" | ||
| cert, err := manager.GetCurrent() | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| Expect(cert.Subjects()[0]).To(ContainSubstring("new")) | ||
| }) | ||
|
|
||
| It("should detect invalid CAs and recover later", func() { | ||
| By("injecting an invalid CA") | ||
| configMap.Data[util.RequestHeaderClientCAFileKey] = string("garbage") | ||
| configMap.ObjectMeta.ResourceVersion = "2" | ||
| _, err := manager.GetCurrent() | ||
| Expect(err).To(HaveOccurred()) | ||
| By("repairing the CA") | ||
| configMap.ObjectMeta.ResourceVersion = "3" | ||
| newCA, err := triple.NewCA("new") | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| configMap.Data[util.RequestHeaderClientCAFileKey] = string(cert.EncodeCertPEM(newCA.Cert)) | ||
| cert, err := manager.GetCurrent() | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| Expect(cert.Subjects()[0]).To(ContainSubstring("new")) | ||
| }) | ||
|
|
||
| It("should detect if the is no CA provided", func() { | ||
| delete(configMap.Data, util.RequestHeaderClientCAFileKey) | ||
| _, err := manager.GetCurrent() | ||
| Expect(err).To(HaveOccurred()) | ||
| }) | ||
|
|
||
| It("should detect if the config map is missing", func() { | ||
| Expect(store.Delete(configMap)).To(Succeed()) | ||
| _, err := manager.GetCurrent() | ||
| Expect(err).To(HaveOccurred()) | ||
| }) | ||
|
|
||
| It("should return the last result if the resource version of the map did not change", func() { | ||
| By("first loading the valid CA") | ||
| _, err := manager.GetCurrent() | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| By("changing the content but not increasing the resource version") | ||
| configMap.Data[util.RequestHeaderClientCAFileKey] = string("garbage") | ||
| cert, err := manager.GetCurrent() | ||
| Expect(err).ToNot(HaveOccurred()) | ||
| Expect(cert.Subjects()[0]).To(ContainSubstring("first")) | ||
| }) | ||
| }) |