mirror of
https://github.com/k3s-io/kubernetes.git
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AdmissionReview: Allow webhook admission to dispatch v1 or v1beta1
This commit is contained in:
Jordan Liggitt
parent
44930fc939
commit
dda9bcb082
@ -40,7 +40,7 @@ type webhookConverterFactory struct {
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}
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func newWebhookConverterFactory(serviceResolver webhook.ServiceResolver, authResolverWrapper webhook.AuthenticationInfoResolverWrapper) (*webhookConverterFactory, error) {
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clientManager, err := webhook.NewClientManager(v1beta1.SchemeGroupVersion, v1beta1.AddToScheme)
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clientManager, err := webhook.NewClientManager([]schema.GroupVersion{v1beta1.SchemeGroupVersion}, v1beta1.AddToScheme)
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if err != nil {
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return nil, err
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}
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@ -21,6 +21,7 @@ import (
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"fmt"
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"io"
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admissionv1 "k8s.io/api/admission/v1"
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admissionv1beta1 "k8s.io/api/admission/v1beta1"
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"k8s.io/api/admissionregistration/v1beta1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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@ -65,7 +66,14 @@ func NewWebhook(handler *admission.Handler, configFile io.Reader, sourceFactory
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return nil, err
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}
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cm, err := webhookutil.NewClientManager(admissionv1beta1.SchemeGroupVersion, admissionv1beta1.AddToScheme)
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cm, err := webhookutil.NewClientManager(
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[]schema.GroupVersion{
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admissionv1beta1.SchemeGroupVersion,
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admissionv1.SchemeGroupVersion,
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},
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admissionv1beta1.AddToScheme,
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admissionv1.AddToScheme,
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)
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if err != nil {
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return nil, err
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}
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@ -27,7 +27,7 @@ import (
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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"k8s.io/klog"
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admissionv1beta1 "k8s.io/api/admission/v1beta1"
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admissionv1 "k8s.io/api/admission/v1"
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"k8s.io/api/admissionregistration/v1beta1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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@ -39,7 +39,7 @@ import (
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"k8s.io/apiserver/pkg/admission/plugin/webhook"
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webhookerrors "k8s.io/apiserver/pkg/admission/plugin/webhook/errors"
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"k8s.io/apiserver/pkg/admission/plugin/webhook/generic"
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"k8s.io/apiserver/pkg/admission/plugin/webhook/request"
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webhookrequest "k8s.io/apiserver/pkg/admission/plugin/webhook/request"
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"k8s.io/apiserver/pkg/admission/plugin/webhook/util"
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webhookutil "k8s.io/apiserver/pkg/util/webhook"
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)
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@ -163,20 +163,16 @@ func (a *mutatingDispatcher) callAttrMutatingHook(ctx context.Context, h *v1beta
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}
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}
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// Currently dispatcher only supports `v1beta1` AdmissionReview
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// TODO: Make the dispatcher capable of sending multiple AdmissionReview versions
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if !util.HasAdmissionReviewVersion(v1beta1.SchemeGroupVersion.Version, invocation.Webhook) {
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return false, &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: fmt.Errorf("webhook does not accept v1beta1 AdmissionReview")}
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uid, request, response, err := webhookrequest.CreateAdmissionObjects(attr, invocation)
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if err != nil {
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return false, &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: err}
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}
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// Make the webhook request
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request := request.CreateAdmissionReview(attr, invocation)
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client, err := a.cm.HookClient(util.HookClientConfigForWebhook(invocation.Webhook))
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if err != nil {
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return false, &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: err}
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}
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response := &admissionv1beta1.AdmissionReview{}
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r := client.Post().Context(ctx).Body(&request)
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r := client.Post().Context(ctx).Body(request)
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if h.TimeoutSeconds != nil {
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r = r.Timeout(time.Duration(*h.TimeoutSeconds) * time.Second)
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}
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@ -184,26 +180,26 @@ func (a *mutatingDispatcher) callAttrMutatingHook(ctx context.Context, h *v1beta
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return false, &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: err}
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}
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if response.Response == nil {
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return false, &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: fmt.Errorf("Webhook response was absent")}
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result, err := webhookrequest.VerifyAdmissionResponse(uid, true, response)
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if err != nil {
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return false, &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: err}
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}
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for k, v := range response.Response.AuditAnnotations {
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for k, v := range result.AuditAnnotations {
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key := h.Name + "/" + k
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if err := attr.Attributes.AddAnnotation(key, v); err != nil {
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klog.Warningf("Failed to set admission audit annotation %s to %s for mutating webhook %s: %v", key, v, h.Name, err)
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}
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}
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if !response.Response.Allowed {
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return false, webhookerrors.ToStatusErr(h.Name, response.Response.Result)
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if !result.Allowed {
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return false, webhookerrors.ToStatusErr(h.Name, result.Result)
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}
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patchJS := response.Response.Patch
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if len(patchJS) == 0 {
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if len(result.Patch) == 0 {
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return false, nil
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}
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patchObj, err := jsonpatch.DecodePatch(patchJS)
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patchObj, err := jsonpatch.DecodePatch(result.Patch)
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if err != nil {
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return false, apierrors.NewInternalError(err)
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}
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@ -216,14 +212,21 @@ func (a *mutatingDispatcher) callAttrMutatingHook(ctx context.Context, h *v1beta
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return false, apierrors.NewInternalError(fmt.Errorf("admission webhook %q attempted to modify the object, which is not supported for this operation", h.Name))
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}
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var patchedJS []byte
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jsonSerializer := json.NewSerializer(json.DefaultMetaFactory, o.GetObjectCreater(), o.GetObjectTyper(), false)
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objJS, err := runtime.Encode(jsonSerializer, attr.VersionedObject)
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if err != nil {
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return false, apierrors.NewInternalError(err)
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}
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patchedJS, err := patchObj.Apply(objJS)
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if err != nil {
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return false, apierrors.NewInternalError(err)
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switch result.PatchType {
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// VerifyAdmissionResponse normalizes to v1 patch types, regardless of the AdmissionReview version used
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case admissionv1.PatchTypeJSONPatch:
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objJS, err := runtime.Encode(jsonSerializer, attr.VersionedObject)
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if err != nil {
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return false, apierrors.NewInternalError(err)
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}
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patchedJS, err = patchObj.Apply(objJS)
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if err != nil {
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return false, apierrors.NewInternalError(err)
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}
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default:
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return false, &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: fmt.Errorf("unsupported patch type %q", result.PatchType)}
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}
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var newVersionedObject runtime.Object
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@ -17,16 +17,138 @@ limitations under the License.
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package request
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import (
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"fmt"
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admissionv1 "k8s.io/api/admission/v1"
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admissionv1beta1 "k8s.io/api/admission/v1beta1"
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authenticationv1 "k8s.io/api/authentication/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/uuid"
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"k8s.io/apiserver/pkg/admission/plugin/webhook/generic"
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)
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// CreateAdmissionReview creates an AdmissionReview for the provided admission.Attributes
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func CreateAdmissionReview(versionedAttributes *generic.VersionedAttributes, invocation *generic.WebhookInvocation) admissionv1beta1.AdmissionReview {
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// AdmissionResponse contains the fields extracted from an AdmissionReview response
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type AdmissionResponse struct {
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AuditAnnotations map[string]string
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Allowed bool
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Patch []byte
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PatchType admissionv1.PatchType
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Result *metav1.Status
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}
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// VerifyAdmissionResponse checks the validity of the provided admission review object, and returns the
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// audit annotations, whether the response allowed the request, any provided patch/patchType/status,
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// or an error if the provided admission review was not valid.
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func VerifyAdmissionResponse(uid types.UID, mutating bool, review runtime.Object) (*AdmissionResponse, error) {
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switch r := review.(type) {
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case *admissionv1.AdmissionReview:
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if r.Response == nil {
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return nil, fmt.Errorf("webhook response was absent")
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}
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// Verify UID matches
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if r.Response.UID != uid {
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return nil, fmt.Errorf("expected response.uid=%q, got %q", uid, r.Response.UID)
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}
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// Verify GVK
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v1GVK := admissionv1.SchemeGroupVersion.WithKind("AdmissionReview")
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if r.GroupVersionKind() != v1GVK {
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return nil, fmt.Errorf("expected webhook response of %v, got %v", v1GVK.String(), r.GroupVersionKind().String())
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}
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patch := []byte(nil)
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patchType := admissionv1.PatchType("")
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if mutating {
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// Ensure a mutating webhook provides both patch and patchType together
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if len(r.Response.Patch) > 0 && r.Response.PatchType == nil {
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return nil, fmt.Errorf("webhook returned response.patch but not response.patchType")
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}
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if len(r.Response.Patch) == 0 && r.Response.PatchType != nil {
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return nil, fmt.Errorf("webhook returned response.patchType but not response.patch")
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}
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patch = r.Response.Patch
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if r.Response.PatchType != nil {
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patchType = *r.Response.PatchType
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if len(patchType) == 0 {
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return nil, fmt.Errorf("webhook returned invalid response.patchType of %q", patchType)
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}
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}
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} else {
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// Ensure a validating webhook doesn't return patch or patchType
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if len(r.Response.Patch) > 0 {
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return nil, fmt.Errorf("validating webhook may not return response.patch")
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}
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if r.Response.PatchType != nil {
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return nil, fmt.Errorf("validating webhook may not return response.patchType")
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}
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}
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return &AdmissionResponse{
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AuditAnnotations: r.Response.AuditAnnotations,
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Allowed: r.Response.Allowed,
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Patch: patch,
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PatchType: patchType,
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Result: r.Response.Result,
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}, nil
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case *admissionv1beta1.AdmissionReview:
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if r.Response == nil {
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return nil, fmt.Errorf("webhook response was absent")
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}
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// Response GVK and response.uid were not verified in v1beta1 handling, allow any
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patch := []byte(nil)
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patchType := admissionv1.PatchType("")
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if mutating {
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patch = r.Response.Patch
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if len(r.Response.Patch) > 0 {
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// patch type was not verified in v1beta1 admissionreview handling. pin to only supported version if a patch is provided.
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patchType = admissionv1.PatchTypeJSONPatch
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}
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}
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return &AdmissionResponse{
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AuditAnnotations: r.Response.AuditAnnotations,
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Allowed: r.Response.Allowed,
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Patch: patch,
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PatchType: patchType,
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Result: r.Response.Result,
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}, nil
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default:
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return nil, fmt.Errorf("unexpected response type %T", review)
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}
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}
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// CreateAdmissionObjects returns the unique request uid, the AdmissionReview object to send the webhook and to decode the response into,
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// or an error if the webhook does not support receiving any of the admission review versions we know to send
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func CreateAdmissionObjects(versionedAttributes *generic.VersionedAttributes, invocation *generic.WebhookInvocation) (uid types.UID, request, response runtime.Object, err error) {
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for _, version := range invocation.Webhook.GetAdmissionReviewVersions() {
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switch version {
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case admissionv1.SchemeGroupVersion.Version:
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uid := types.UID(uuid.NewUUID())
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request := CreateV1AdmissionReview(uid, versionedAttributes, invocation)
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response := &admissionv1.AdmissionReview{}
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return uid, request, response, nil
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case admissionv1beta1.SchemeGroupVersion.Version:
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uid := types.UID(uuid.NewUUID())
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request := CreateV1beta1AdmissionReview(uid, versionedAttributes, invocation)
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response := &admissionv1beta1.AdmissionReview{}
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return uid, request, response, nil
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}
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}
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return "", nil, nil, fmt.Errorf("webhook does not accept known AdmissionReview versions (v1, v1beta1)")
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}
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// CreateV1AdmissionReview creates an AdmissionReview for the provided admission.Attributes
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func CreateV1AdmissionReview(uid types.UID, versionedAttributes *generic.VersionedAttributes, invocation *generic.WebhookInvocation) *admissionv1.AdmissionReview {
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attr := versionedAttributes.Attributes
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gvk := invocation.Kind
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gvr := invocation.Resource
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@ -48,9 +170,75 @@ func CreateAdmissionReview(versionedAttributes *generic.VersionedAttributes, inv
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userInfo.Extra[key] = authenticationv1.ExtraValue(val)
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}
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return admissionv1beta1.AdmissionReview{
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return &admissionv1.AdmissionReview{
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Request: &admissionv1.AdmissionRequest{
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UID: uid,
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Kind: metav1.GroupVersionKind{
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Group: gvk.Group,
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Kind: gvk.Kind,
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Version: gvk.Version,
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},
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Resource: metav1.GroupVersionResource{
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Group: gvr.Group,
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Resource: gvr.Resource,
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Version: gvr.Version,
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},
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SubResource: subresource,
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RequestKind: &metav1.GroupVersionKind{
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Group: requestGVK.Group,
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Kind: requestGVK.Kind,
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Version: requestGVK.Version,
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},
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RequestResource: &metav1.GroupVersionResource{
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Group: requestGVR.Group,
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Resource: requestGVR.Resource,
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Version: requestGVR.Version,
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},
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RequestSubResource: requestSubResource,
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Name: attr.GetName(),
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Namespace: attr.GetNamespace(),
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Operation: admissionv1.Operation(attr.GetOperation()),
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UserInfo: userInfo,
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Object: runtime.RawExtension{
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Object: versionedAttributes.VersionedObject,
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},
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OldObject: runtime.RawExtension{
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Object: versionedAttributes.VersionedOldObject,
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},
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DryRun: &dryRun,
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Options: runtime.RawExtension{
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Object: attr.GetOperationOptions(),
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},
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},
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}
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}
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// CreateV1beta1AdmissionReview creates an AdmissionReview for the provided admission.Attributes
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func CreateV1beta1AdmissionReview(uid types.UID, versionedAttributes *generic.VersionedAttributes, invocation *generic.WebhookInvocation) *admissionv1beta1.AdmissionReview {
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attr := versionedAttributes.Attributes
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gvk := invocation.Kind
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gvr := invocation.Resource
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subresource := invocation.Subresource
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requestGVK := attr.GetKind()
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requestGVR := attr.GetResource()
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requestSubResource := attr.GetSubresource()
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aUserInfo := attr.GetUserInfo()
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userInfo := authenticationv1.UserInfo{
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Extra: make(map[string]authenticationv1.ExtraValue),
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Groups: aUserInfo.GetGroups(),
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UID: aUserInfo.GetUID(),
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Username: aUserInfo.GetName(),
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}
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dryRun := attr.IsDryRun()
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// Convert the extra information in the user object
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for key, val := range aUserInfo.GetExtra() {
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userInfo.Extra[key] = authenticationv1.ExtraValue(val)
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}
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return &admissionv1beta1.AdmissionReview{
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Request: &admissionv1beta1.AdmissionRequest{
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UID: uuid.NewUUID(),
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UID: uid,
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Kind: metav1.GroupVersionKind{
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Group: gvk.Group,
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Kind: gvk.Kind,
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@ -0,0 +1,618 @@
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/*
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Copyright 2019 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 request
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import (
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"reflect"
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"strings"
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"testing"
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"github.com/google/go-cmp/cmp"
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admissionv1 "k8s.io/api/admission/v1"
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admissionv1beta1 "k8s.io/api/admission/v1beta1"
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admissionregistrationv1beta1 "k8s.io/api/admissionregistration/v1beta1"
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appsv1 "k8s.io/api/apps/v1"
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authenticationv1 "k8s.io/api/authentication/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apiserver/pkg/admission"
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"k8s.io/apiserver/pkg/admission/plugin/webhook"
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"k8s.io/apiserver/pkg/admission/plugin/webhook/generic"
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"k8s.io/apiserver/pkg/authentication/user"
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utilpointer "k8s.io/utils/pointer"
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)
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func TestVerifyAdmissionResponse(t *testing.T) {
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v1beta1JSONPatch := admissionv1beta1.PatchTypeJSONPatch
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v1JSONPatch := admissionv1.PatchTypeJSONPatch
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emptyv1beta1Patch := admissionv1beta1.PatchType("")
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emptyv1Patch := admissionv1.PatchType("")
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invalidv1beta1Patch := admissionv1beta1.PatchType("Foo")
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invalidv1Patch := admissionv1.PatchType("Foo")
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testcases := []struct {
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name string
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uid types.UID
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mutating bool
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review runtime.Object
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expectAuditAnnotations map[string]string
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expectAllowed bool
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expectPatch []byte
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expectPatchType admissionv1.PatchType
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expectResult *metav1.Status
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expectErr string
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||||
}{
|
||||
// Allowed validating
|
||||
{
|
||||
name: "v1beta1 allowed validating",
|
||||
uid: "123",
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
Response: &admissionv1beta1.AdmissionResponse{Allowed: true},
|
||||
},
|
||||
expectAllowed: true,
|
||||
},
|
||||
{
|
||||
name: "v1 allowed validating",
|
||||
uid: "123",
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{UID: "123", Allowed: true},
|
||||
},
|
||||
expectAllowed: true,
|
||||
},
|
||||
// Allowed mutating
|
||||
{
|
||||
name: "v1beta1 allowed mutating",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
Response: &admissionv1beta1.AdmissionResponse{Allowed: true},
|
||||
},
|
||||
expectAllowed: true,
|
||||
},
|
||||
{
|
||||
name: "v1 allowed mutating",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{UID: "123", Allowed: true},
|
||||
},
|
||||
expectAllowed: true,
|
||||
},
|
||||
|
||||
// Audit annotations
|
||||
{
|
||||
name: "v1beta1 auditAnnotations",
|
||||
uid: "123",
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
Response: &admissionv1beta1.AdmissionResponse{
|
||||
Allowed: true,
|
||||
AuditAnnotations: map[string]string{"foo": "bar"},
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
expectAuditAnnotations: map[string]string{"foo": "bar"},
|
||||
},
|
||||
{
|
||||
name: "v1 auditAnnotations",
|
||||
uid: "123",
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
AuditAnnotations: map[string]string{"foo": "bar"},
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
expectAuditAnnotations: map[string]string{"foo": "bar"},
|
||||
},
|
||||
|
||||
// Patch
|
||||
{
|
||||
name: "v1beta1 patch",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
Response: &admissionv1beta1.AdmissionResponse{
|
||||
Allowed: true,
|
||||
Patch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
expectPatch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
expectPatchType: "JSONPatch",
|
||||
},
|
||||
{
|
||||
name: "v1 patch",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
Patch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
PatchType: &v1JSONPatch,
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
expectPatch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
expectPatchType: "JSONPatch",
|
||||
},
|
||||
|
||||
// Result
|
||||
{
|
||||
name: "v1beta1 result",
|
||||
uid: "123",
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
Response: &admissionv1beta1.AdmissionResponse{
|
||||
Allowed: false,
|
||||
Result: &metav1.Status{Status: "Failure", Message: "Foo", Code: 401},
|
||||
},
|
||||
},
|
||||
expectAllowed: false,
|
||||
expectResult: &metav1.Status{Status: "Failure", Message: "Foo", Code: 401},
|
||||
},
|
||||
{
|
||||
name: "v1 result",
|
||||
uid: "123",
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: false,
|
||||
Result: &metav1.Status{Status: "Failure", Message: "Foo", Code: 401},
|
||||
},
|
||||
},
|
||||
expectAllowed: false,
|
||||
expectResult: &metav1.Status{Status: "Failure", Message: "Foo", Code: 401},
|
||||
},
|
||||
|
||||
// Missing response
|
||||
{
|
||||
name: "v1beta1 no response",
|
||||
uid: "123",
|
||||
review: &admissionv1beta1.AdmissionReview{},
|
||||
expectErr: "response was absent",
|
||||
},
|
||||
{
|
||||
name: "v1 no response",
|
||||
uid: "123",
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
},
|
||||
expectErr: "response was absent",
|
||||
},
|
||||
|
||||
// v1 invalid responses
|
||||
{
|
||||
name: "v1 wrong group",
|
||||
uid: "123",
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io2/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
},
|
||||
},
|
||||
expectErr: "expected webhook response of admission.k8s.io/v1, Kind=AdmissionReview",
|
||||
},
|
||||
{
|
||||
name: "v1 wrong version",
|
||||
uid: "123",
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v2", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
},
|
||||
},
|
||||
expectErr: "expected webhook response of admission.k8s.io/v1, Kind=AdmissionReview",
|
||||
},
|
||||
{
|
||||
name: "v1 wrong kind",
|
||||
uid: "123",
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview2"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
},
|
||||
},
|
||||
expectErr: "expected webhook response of admission.k8s.io/v1, Kind=AdmissionReview",
|
||||
},
|
||||
{
|
||||
name: "v1 wrong uid",
|
||||
uid: "123",
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "1234",
|
||||
Allowed: true,
|
||||
},
|
||||
},
|
||||
expectErr: `expected response.uid="123"`,
|
||||
},
|
||||
{
|
||||
name: "v1 patch without patch type",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
Patch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
},
|
||||
},
|
||||
expectErr: `webhook returned response.patch but not response.patchType`,
|
||||
},
|
||||
{
|
||||
name: "v1 patch type without patch",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
PatchType: &v1JSONPatch,
|
||||
},
|
||||
},
|
||||
expectErr: `webhook returned response.patchType but not response.patch`,
|
||||
},
|
||||
{
|
||||
name: "v1 empty patch type",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
Patch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
PatchType: &emptyv1Patch,
|
||||
},
|
||||
},
|
||||
expectErr: `webhook returned invalid response.patchType of ""`,
|
||||
},
|
||||
{
|
||||
name: "v1 invalid patch type",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
Patch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
PatchType: &invalidv1Patch,
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
expectPatch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
expectPatchType: invalidv1Patch, // invalid patch types are caught when the mutating dispatcher evaluates the patch
|
||||
},
|
||||
{
|
||||
name: "v1 patch for validating webhook",
|
||||
uid: "123",
|
||||
mutating: false,
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
Patch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
},
|
||||
},
|
||||
expectErr: `validating webhook may not return response.patch`,
|
||||
},
|
||||
{
|
||||
name: "v1 patch type for validating webhook",
|
||||
uid: "123",
|
||||
mutating: false,
|
||||
review: &admissionv1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io/v1", Kind: "AdmissionReview"},
|
||||
Response: &admissionv1.AdmissionResponse{
|
||||
UID: "123",
|
||||
Allowed: true,
|
||||
PatchType: &invalidv1Patch,
|
||||
},
|
||||
},
|
||||
expectErr: `validating webhook may not return response.patchType`,
|
||||
},
|
||||
|
||||
// v1beta1 invalid responses that we have to allow/fixup for compatibility
|
||||
{
|
||||
name: "v1beta1 wrong group/version/kind",
|
||||
uid: "123",
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
TypeMeta: metav1.TypeMeta{APIVersion: "admission.k8s.io2/v2", Kind: "AdmissionReview2"},
|
||||
Response: &admissionv1beta1.AdmissionResponse{
|
||||
Allowed: true,
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
},
|
||||
{
|
||||
name: "v1beta1 wrong uid",
|
||||
uid: "123",
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
Response: &admissionv1beta1.AdmissionResponse{
|
||||
UID: "1234",
|
||||
Allowed: true,
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
},
|
||||
{
|
||||
name: "v1beta1 validating returns patch/patchType",
|
||||
uid: "123",
|
||||
mutating: false,
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
Response: &admissionv1beta1.AdmissionResponse{
|
||||
UID: "1234",
|
||||
Allowed: true,
|
||||
Patch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
PatchType: &v1beta1JSONPatch,
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
},
|
||||
{
|
||||
name: "v1beta1 empty patch type",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
Response: &admissionv1beta1.AdmissionResponse{
|
||||
Allowed: true,
|
||||
Patch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
PatchType: &emptyv1beta1Patch,
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
expectPatch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
expectPatchType: admissionv1.PatchTypeJSONPatch,
|
||||
},
|
||||
{
|
||||
name: "v1beta1 invalid patchType",
|
||||
uid: "123",
|
||||
mutating: true,
|
||||
review: &admissionv1beta1.AdmissionReview{
|
||||
Response: &admissionv1beta1.AdmissionResponse{
|
||||
Allowed: true,
|
||||
Patch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
PatchType: &invalidv1beta1Patch,
|
||||
},
|
||||
},
|
||||
expectAllowed: true,
|
||||
expectPatch: []byte(`[{"op":"add","path":"/foo","value":"bar"}]`),
|
||||
expectPatchType: admissionv1.PatchTypeJSONPatch,
|
||||
},
|
||||
}
|
||||
|
||||
for _, tc := range testcases {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
result, err := VerifyAdmissionResponse(tc.uid, tc.mutating, tc.review)
|
||||
if err != nil {
|
||||
if len(tc.expectErr) > 0 {
|
||||
if !strings.Contains(err.Error(), tc.expectErr) {
|
||||
t.Errorf("expected error '%s', got %v", tc.expectErr, err)
|
||||
}
|
||||
} else {
|
||||
t.Errorf("unexpected error %v", err)
|
||||
}
|
||||
return
|
||||
} else if len(tc.expectErr) > 0 {
|
||||
t.Errorf("expected error '%s', got none", tc.expectErr)
|
||||
return
|
||||
}
|
||||
|
||||
if e, a := tc.expectAuditAnnotations, result.AuditAnnotations; !reflect.DeepEqual(e, a) {
|
||||
t.Errorf("unexpected: %v", cmp.Diff(e, a))
|
||||
}
|
||||
if e, a := tc.expectAllowed, result.Allowed; !reflect.DeepEqual(e, a) {
|
||||
t.Errorf("unexpected: %v", cmp.Diff(e, a))
|
||||
}
|
||||
if e, a := tc.expectPatch, result.Patch; !reflect.DeepEqual(e, a) {
|
||||
t.Errorf("unexpected: %v", cmp.Diff(e, a))
|
||||
}
|
||||
if e, a := tc.expectPatchType, result.PatchType; !reflect.DeepEqual(e, a) {
|
||||
t.Errorf("unexpected: %v", cmp.Diff(e, a))
|
||||
}
|
||||
if e, a := tc.expectResult, result.Result; !reflect.DeepEqual(e, a) {
|
||||
t.Errorf("unexpected: %v", cmp.Diff(e, a))
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
func TestCreateAdmissionObjects(t *testing.T) {
|
||||
internalObj := &appsv1.Deployment{ObjectMeta: metav1.ObjectMeta{ResourceVersion: "2", Name: "myname", Namespace: "myns"}}
|
||||
internalObjOld := &appsv1.Deployment{ObjectMeta: metav1.ObjectMeta{ResourceVersion: "1", Name: "myname", Namespace: "myns"}}
|
||||
versionedObj := &appsv1.Deployment{ObjectMeta: metav1.ObjectMeta{ResourceVersion: "2", Name: "myname", Namespace: "myns"}}
|
||||
versionedObjOld := &appsv1.Deployment{ObjectMeta: metav1.ObjectMeta{ResourceVersion: "1", Name: "myname", Namespace: "myns"}}
|
||||
userInfo := &user.DefaultInfo{
|
||||
Name: "myuser",
|
||||
Groups: []string{"mygroup"},
|
||||
UID: "myuid",
|
||||
Extra: map[string][]string{"extrakey": {"value1", "value2"}},
|
||||
}
|
||||
attrs := admission.NewAttributesRecord(
|
||||
internalObj.DeepCopyObject(),
|
||||
internalObjOld.DeepCopyObject(),
|
||||
schema.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"},
|
||||
"myns",
|
||||
"myname",
|
||||
schema.GroupVersionResource{Group: "apps", Version: "v1", Resource: "deployments"},
|
||||
"",
|
||||
admission.Update,
|
||||
&metav1.UpdateOptions{FieldManager: "foo"},
|
||||
false,
|
||||
userInfo,
|
||||
)
|
||||
|
||||
testcases := []struct {
|
||||
name string
|
||||
attrs *generic.VersionedAttributes
|
||||
invocation *generic.WebhookInvocation
|
||||
|
||||
expectRequest func(uid types.UID) runtime.Object
|
||||
expectResponse runtime.Object
|
||||
expectErr string
|
||||
}{
|
||||
{
|
||||
name: "no supported versions",
|
||||
invocation: &generic.WebhookInvocation{
|
||||
Webhook: webhook.NewMutatingWebhookAccessor("mywebhook", &admissionregistrationv1beta1.MutatingWebhook{}),
|
||||
},
|
||||
expectErr: "webhook does not accept known AdmissionReview versions",
|
||||
},
|
||||
{
|
||||
name: "no known supported versions",
|
||||
invocation: &generic.WebhookInvocation{
|
||||
Webhook: webhook.NewMutatingWebhookAccessor("mywebhook", &admissionregistrationv1beta1.MutatingWebhook{
|
||||
AdmissionReviewVersions: []string{"vX"},
|
||||
}),
|
||||
},
|
||||
expectErr: "webhook does not accept known AdmissionReview versions",
|
||||
},
|
||||
{
|
||||
name: "v1",
|
||||
attrs: &generic.VersionedAttributes{
|
||||
VersionedObject: versionedObj.DeepCopyObject(),
|
||||
VersionedOldObject: versionedObjOld.DeepCopyObject(),
|
||||
Attributes: attrs,
|
||||
},
|
||||
invocation: &generic.WebhookInvocation{
|
||||
Resource: schema.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "deployments"},
|
||||
Subresource: "",
|
||||
Kind: schema.GroupVersionKind{Group: "extensions", Version: "v1beta1", Kind: "Deployment"},
|
||||
Webhook: webhook.NewMutatingWebhookAccessor("mywebhook", &admissionregistrationv1beta1.MutatingWebhook{
|
||||
AdmissionReviewVersions: []string{"v1", "v1beta1"},
|
||||
}),
|
||||
},
|
||||
expectRequest: func(uid types.UID) runtime.Object {
|
||||
return &admissionv1.AdmissionReview{
|
||||
Request: &admissionv1.AdmissionRequest{
|
||||
UID: uid,
|
||||
Kind: metav1.GroupVersionKind{Group: "extensions", Version: "v1beta1", Kind: "Deployment"},
|
||||
Resource: metav1.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "deployments"},
|
||||
SubResource: "",
|
||||
RequestKind: &metav1.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"},
|
||||
RequestResource: &metav1.GroupVersionResource{Group: "apps", Version: "v1", Resource: "deployments"},
|
||||
RequestSubResource: "",
|
||||
Name: "myname",
|
||||
Namespace: "myns",
|
||||
Operation: "UPDATE",
|
||||
UserInfo: authenticationv1.UserInfo{
|
||||
Username: "myuser",
|
||||
UID: "myuid",
|
||||
Groups: []string{"mygroup"},
|
||||
Extra: map[string]authenticationv1.ExtraValue{"extrakey": {"value1", "value2"}},
|
||||
},
|
||||
Object: runtime.RawExtension{Object: versionedObj},
|
||||
OldObject: runtime.RawExtension{Object: versionedObjOld},
|
||||
DryRun: utilpointer.BoolPtr(false),
|
||||
Options: runtime.RawExtension{Object: &metav1.UpdateOptions{FieldManager: "foo"}},
|
||||
},
|
||||
}
|
||||
},
|
||||
expectResponse: &admissionv1.AdmissionReview{},
|
||||
},
|
||||
{
|
||||
name: "v1beta1",
|
||||
attrs: &generic.VersionedAttributes{
|
||||
VersionedObject: versionedObj.DeepCopyObject(),
|
||||
VersionedOldObject: versionedObjOld.DeepCopyObject(),
|
||||
Attributes: attrs,
|
||||
},
|
||||
invocation: &generic.WebhookInvocation{
|
||||
Resource: schema.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "deployments"},
|
||||
Subresource: "",
|
||||
Kind: schema.GroupVersionKind{Group: "extensions", Version: "v1beta1", Kind: "Deployment"},
|
||||
Webhook: webhook.NewMutatingWebhookAccessor("mywebhook", &admissionregistrationv1beta1.MutatingWebhook{
|
||||
AdmissionReviewVersions: []string{"v1beta1", "v1"},
|
||||
}),
|
||||
},
|
||||
expectRequest: func(uid types.UID) runtime.Object {
|
||||
return &admissionv1beta1.AdmissionReview{
|
||||
Request: &admissionv1beta1.AdmissionRequest{
|
||||
UID: uid,
|
||||
Kind: metav1.GroupVersionKind{Group: "extensions", Version: "v1beta1", Kind: "Deployment"},
|
||||
Resource: metav1.GroupVersionResource{Group: "extensions", Version: "v1beta1", Resource: "deployments"},
|
||||
SubResource: "",
|
||||
RequestKind: &metav1.GroupVersionKind{Group: "apps", Version: "v1", Kind: "Deployment"},
|
||||
RequestResource: &metav1.GroupVersionResource{Group: "apps", Version: "v1", Resource: "deployments"},
|
||||
RequestSubResource: "",
|
||||
Name: "myname",
|
||||
Namespace: "myns",
|
||||
Operation: "UPDATE",
|
||||
UserInfo: authenticationv1.UserInfo{
|
||||
Username: "myuser",
|
||||
UID: "myuid",
|
||||
Groups: []string{"mygroup"},
|
||||
Extra: map[string]authenticationv1.ExtraValue{"extrakey": {"value1", "value2"}},
|
||||
},
|
||||
Object: runtime.RawExtension{Object: versionedObj},
|
||||
OldObject: runtime.RawExtension{Object: versionedObjOld},
|
||||
DryRun: utilpointer.BoolPtr(false),
|
||||
Options: runtime.RawExtension{Object: &metav1.UpdateOptions{FieldManager: "foo"}},
|
||||
},
|
||||
}
|
||||
},
|
||||
expectResponse: &admissionv1beta1.AdmissionReview{},
|
||||
},
|
||||
}
|
||||
|
||||
for _, tc := range testcases {
|
||||
t.Run(tc.name, func(t *testing.T) {
|
||||
uid, request, response, err := CreateAdmissionObjects(tc.attrs, tc.invocation)
|
||||
if err != nil {
|
||||
if len(tc.expectErr) > 0 {
|
||||
if !strings.Contains(err.Error(), tc.expectErr) {
|
||||
t.Errorf("expected error '%s', got %v", tc.expectErr, err)
|
||||
}
|
||||
} else {
|
||||
t.Errorf("unexpected error %v", err)
|
||||
}
|
||||
return
|
||||
} else if len(tc.expectErr) > 0 {
|
||||
t.Errorf("expected error '%s', got none", tc.expectErr)
|
||||
return
|
||||
}
|
||||
|
||||
if len(uid) == 0 {
|
||||
t.Errorf("expected uid, got none")
|
||||
}
|
||||
if e, a := tc.expectRequest(uid), request; !reflect.DeepEqual(e, a) {
|
||||
t.Errorf("unexpected: %v", cmp.Diff(e, a))
|
||||
}
|
||||
if e, a := tc.expectResponse, response; !reflect.DeepEqual(e, a) {
|
||||
t.Errorf("unexpected: %v", cmp.Diff(e, a))
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
@ -487,7 +487,7 @@ func NewNonMutatingTestCases(url *url.URL) []ValidatingTest {
|
||||
AdmissionReviewVersions: []string{"v1beta1"},
|
||||
}},
|
||||
ExpectStatusCode: http.StatusInternalServerError,
|
||||
ErrorContains: "Webhook response was absent",
|
||||
ErrorContains: "webhook response was absent",
|
||||
},
|
||||
{
|
||||
Name: "no match dry run",
|
||||
|
||||
@ -22,7 +22,6 @@ import (
|
||||
"sync"
|
||||
"time"
|
||||
|
||||
admissionv1beta1 "k8s.io/api/admission/v1beta1"
|
||||
"k8s.io/api/admissionregistration/v1beta1"
|
||||
apierrors "k8s.io/apimachinery/pkg/api/errors"
|
||||
"k8s.io/apimachinery/pkg/runtime/schema"
|
||||
@ -32,7 +31,7 @@ import (
|
||||
"k8s.io/apiserver/pkg/admission/plugin/webhook"
|
||||
webhookerrors "k8s.io/apiserver/pkg/admission/plugin/webhook/errors"
|
||||
"k8s.io/apiserver/pkg/admission/plugin/webhook/generic"
|
||||
"k8s.io/apiserver/pkg/admission/plugin/webhook/request"
|
||||
webhookrequest "k8s.io/apiserver/pkg/admission/plugin/webhook/request"
|
||||
"k8s.io/apiserver/pkg/admission/plugin/webhook/util"
|
||||
webhookutil "k8s.io/apiserver/pkg/util/webhook"
|
||||
"k8s.io/klog"
|
||||
@ -145,20 +144,16 @@ func (d *validatingDispatcher) callHook(ctx context.Context, h *v1beta1.Validati
|
||||
}
|
||||
}
|
||||
|
||||
// Currently dispatcher only supports `v1beta1` AdmissionReview
|
||||
// TODO: Make the dispatcher capable of sending multiple AdmissionReview versions
|
||||
if !util.HasAdmissionReviewVersion(v1beta1.SchemeGroupVersion.Version, invocation.Webhook) {
|
||||
return &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: fmt.Errorf("webhook does not accept v1beta1 AdmissionReviewRequest")}
|
||||
uid, request, response, err := webhookrequest.CreateAdmissionObjects(attr, invocation)
|
||||
if err != nil {
|
||||
return &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: err}
|
||||
}
|
||||
|
||||
// Make the webhook request
|
||||
request := request.CreateAdmissionReview(attr, invocation)
|
||||
client, err := d.cm.HookClient(util.HookClientConfigForWebhook(invocation.Webhook))
|
||||
if err != nil {
|
||||
return &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: err}
|
||||
}
|
||||
response := &admissionv1beta1.AdmissionReview{}
|
||||
r := client.Post().Context(ctx).Body(&request)
|
||||
r := client.Post().Context(ctx).Body(request)
|
||||
if h.TimeoutSeconds != nil {
|
||||
r = r.Timeout(time.Duration(*h.TimeoutSeconds) * time.Second)
|
||||
}
|
||||
@ -166,17 +161,19 @@ func (d *validatingDispatcher) callHook(ctx context.Context, h *v1beta1.Validati
|
||||
return &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: err}
|
||||
}
|
||||
|
||||
if response.Response == nil {
|
||||
return &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: fmt.Errorf("Webhook response was absent")}
|
||||
result, err := webhookrequest.VerifyAdmissionResponse(uid, false, response)
|
||||
if err != nil {
|
||||
return &webhookutil.ErrCallingWebhook{WebhookName: h.Name, Reason: err}
|
||||
}
|
||||
for k, v := range response.Response.AuditAnnotations {
|
||||
|
||||
for k, v := range result.AuditAnnotations {
|
||||
key := h.Name + "/" + k
|
||||
if err := attr.Attributes.AddAnnotation(key, v); err != nil {
|
||||
klog.Warningf("Failed to set admission audit annotation %s to %s for validating webhook %s: %v", key, v, h.Name, err)
|
||||
}
|
||||
}
|
||||
if response.Response.Allowed {
|
||||
if result.Allowed {
|
||||
return nil
|
||||
}
|
||||
return webhookerrors.ToStatusErr(h.Name, response.Response.Result)
|
||||
return webhookerrors.ToStatusErr(h.Name, result.Result)
|
||||
}
|
||||
|
||||
@ -62,19 +62,21 @@ type ClientManager struct {
|
||||
}
|
||||
|
||||
// NewClientManager creates a clientManager.
|
||||
func NewClientManager(gv schema.GroupVersion, addToSchemaFunc func(s *runtime.Scheme) error) (ClientManager, error) {
|
||||
func NewClientManager(gvs []schema.GroupVersion, addToSchemaFuncs ...func(s *runtime.Scheme) error) (ClientManager, error) {
|
||||
cache, err := lru.New(defaultCacheSize)
|
||||
if err != nil {
|
||||
return ClientManager{}, err
|
||||
}
|
||||
hookScheme := runtime.NewScheme()
|
||||
if err := addToSchemaFunc(hookScheme); err != nil {
|
||||
return ClientManager{}, err
|
||||
for _, addToSchemaFunc := range addToSchemaFuncs {
|
||||
if err := addToSchemaFunc(hookScheme); err != nil {
|
||||
return ClientManager{}, err
|
||||
}
|
||||
}
|
||||
return ClientManager{
|
||||
cache: cache,
|
||||
negotiatedSerializer: serializer.NegotiatedSerializerWrapper(runtime.SerializerInfo{
|
||||
Serializer: serializer.NewCodecFactory(hookScheme).LegacyCodec(gv),
|
||||
Serializer: serializer.NewCodecFactory(hookScheme).LegacyCodec(gvs...),
|
||||
}),
|
||||
}, nil
|
||||
}
|
||||
|
||||
@ -28,6 +28,7 @@ import (
|
||||
auditregv1alpha1 "k8s.io/api/auditregistration/v1alpha1"
|
||||
corev1 "k8s.io/api/core/v1"
|
||||
"k8s.io/apimachinery/pkg/runtime"
|
||||
"k8s.io/apimachinery/pkg/runtime/schema"
|
||||
"k8s.io/apimachinery/pkg/types"
|
||||
auditinternal "k8s.io/apiserver/pkg/apis/audit"
|
||||
auditinstall "k8s.io/apiserver/pkg/apis/audit/install"
|
||||
@ -101,7 +102,7 @@ func NewBackend(c *Config) (audit.Backend, error) {
|
||||
if c.BufferedConfig == nil {
|
||||
c.BufferedConfig = NewDefaultWebhookBatchConfig()
|
||||
}
|
||||
cm, err := webhook.NewClientManager(auditv1.SchemeGroupVersion, func(s *runtime.Scheme) error {
|
||||
cm, err := webhook.NewClientManager([]schema.GroupVersion{auditv1.SchemeGroupVersion}, func(s *runtime.Scheme) error {
|
||||
auditinstall.Install(s)
|
||||
return nil
|
||||
})
|
||||
|
||||
@ -30,7 +30,9 @@ import (
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
admissionreviewv1 "k8s.io/api/admission/v1"
|
||||
"k8s.io/api/admission/v1beta1"
|
||||
admissionv1 "k8s.io/api/admissionregistration/v1"
|
||||
admissionv1beta1 "k8s.io/api/admissionregistration/v1beta1"
|
||||
appsv1beta1 "k8s.io/api/apps/v1beta1"
|
||||
corev1 "k8s.io/api/core/v1"
|
||||
@ -151,6 +153,8 @@ var (
|
||||
)
|
||||
|
||||
type webhookOptions struct {
|
||||
version string
|
||||
|
||||
// phase indicates whether this is a mutating or validating webhook
|
||||
phase string
|
||||
// converted indicates if this webhook makes use of matchPolicy:equivalent and expects conversion.
|
||||
@ -165,7 +169,7 @@ type holder struct {
|
||||
t *testing.T
|
||||
|
||||
recordGVR metav1.GroupVersionResource
|
||||
recordOperation v1beta1.Operation
|
||||
recordOperation string
|
||||
recordNamespace string
|
||||
recordName string
|
||||
|
||||
@ -182,7 +186,7 @@ type holder struct {
|
||||
// When a converted request is recorded, gvrToConvertedGVR[expectGVK] is compared to the GVK seen by the webhook.
|
||||
gvrToConvertedGVK map[metav1.GroupVersionResource]schema.GroupVersionKind
|
||||
|
||||
recorded map[webhookOptions]*v1beta1.AdmissionRequest
|
||||
recorded map[webhookOptions]*admissionRequest
|
||||
}
|
||||
|
||||
func (h *holder) reset(t *testing.T) {
|
||||
@ -200,10 +204,12 @@ func (h *holder) reset(t *testing.T) {
|
||||
h.expectOptions = false
|
||||
|
||||
// Set up the recorded map with nil records for all combinations
|
||||
h.recorded = map[webhookOptions]*v1beta1.AdmissionRequest{}
|
||||
h.recorded = map[webhookOptions]*admissionRequest{}
|
||||
for _, phase := range []string{mutation, validation} {
|
||||
for _, converted := range []bool{true, false} {
|
||||
h.recorded[webhookOptions{phase: phase, converted: converted}] = nil
|
||||
for _, version := range []string{"v1", "v1beta1"} {
|
||||
h.recorded[webhookOptions{version: version, phase: phase, converted: converted}] = nil
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -217,7 +223,7 @@ func (h *holder) expect(gvr schema.GroupVersionResource, gvk, optionsGVK schema.
|
||||
defer h.lock.Unlock()
|
||||
h.recordGVR = metav1.GroupVersionResource{Group: gvr.Group, Version: gvr.Version, Resource: gvr.Resource}
|
||||
h.expectGVK = gvk
|
||||
h.recordOperation = operation
|
||||
h.recordOperation = string(operation)
|
||||
h.recordName = name
|
||||
h.recordNamespace = namespace
|
||||
h.expectObject = object
|
||||
@ -226,14 +232,28 @@ func (h *holder) expect(gvr schema.GroupVersionResource, gvk, optionsGVK schema.
|
||||
h.expectOptions = options
|
||||
|
||||
// Set up the recorded map with nil records for all combinations
|
||||
h.recorded = map[webhookOptions]*v1beta1.AdmissionRequest{}
|
||||
h.recorded = map[webhookOptions]*admissionRequest{}
|
||||
for _, phase := range []string{mutation, validation} {
|
||||
for _, converted := range []bool{true, false} {
|
||||
h.recorded[webhookOptions{phase: phase, converted: converted}] = nil
|
||||
for _, version := range []string{"v1", "v1beta1"} {
|
||||
h.recorded[webhookOptions{version: version, phase: phase, converted: converted}] = nil
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
func (h *holder) record(phase string, converted bool, request *v1beta1.AdmissionRequest) {
|
||||
|
||||
type admissionRequest struct {
|
||||
Operation string
|
||||
Resource metav1.GroupVersionResource
|
||||
SubResource string
|
||||
Namespace string
|
||||
Name string
|
||||
Object runtime.RawExtension
|
||||
OldObject runtime.RawExtension
|
||||
Options runtime.RawExtension
|
||||
}
|
||||
|
||||
func (h *holder) record(version string, phase string, converted bool, request *admissionRequest) {
|
||||
h.lock.Lock()
|
||||
defer h.lock.Unlock()
|
||||
|
||||
@ -286,9 +306,9 @@ func (h *holder) record(phase string, converted bool, request *v1beta1.Admission
|
||||
}
|
||||
|
||||
if debug {
|
||||
h.t.Logf("recording: %#v = %s %#v %v", webhookOptions{phase: phase, converted: converted}, request.Operation, request.Resource, request.SubResource)
|
||||
h.t.Logf("recording: %#v = %s %#v %v", webhookOptions{version: version, phase: phase, converted: converted}, request.Operation, request.Resource, request.SubResource)
|
||||
}
|
||||
h.recorded[webhookOptions{phase: phase, converted: converted}] = request
|
||||
h.recorded[webhookOptions{version: version, phase: phase, converted: converted}] = request
|
||||
}
|
||||
|
||||
func (h *holder) verify(t *testing.T) {
|
||||
@ -297,12 +317,12 @@ func (h *holder) verify(t *testing.T) {
|
||||
|
||||
for options, value := range h.recorded {
|
||||
if err := h.verifyRequest(options.converted, value); err != nil {
|
||||
t.Errorf("phase:%v, converted:%v error: %v", options.phase, options.converted, err)
|
||||
t.Errorf("version: %v, phase:%v, converted:%v error: %v", options.version, options.phase, options.converted, err)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (h *holder) verifyRequest(converted bool, request *v1beta1.AdmissionRequest) error {
|
||||
func (h *holder) verifyRequest(converted bool, request *admissionRequest) error {
|
||||
// Check if current resource should be exempted from Admission processing
|
||||
if admissionExemptResources[gvr(h.recordGVR.Group, h.recordGVR.Version, h.recordGVR.Resource)] {
|
||||
if request == nil {
|
||||
@ -366,8 +386,8 @@ func (h *holder) verifyOptions(options runtime.Object) error {
|
||||
return nil
|
||||
}
|
||||
|
||||
// TestWebhookV1beta1 tests communication between API server and webhook process.
|
||||
func TestWebhookV1beta1(t *testing.T) {
|
||||
// TestWebhookAdmission tests communication between API server and webhook process.
|
||||
func TestWebhookAdmission(t *testing.T) {
|
||||
// holder communicates expectations to webhooks, and results from webhooks
|
||||
holder := &holder{
|
||||
t: t,
|
||||
@ -386,10 +406,17 @@ func TestWebhookV1beta1(t *testing.T) {
|
||||
}
|
||||
|
||||
webhookMux := http.NewServeMux()
|
||||
webhookMux.Handle("/"+mutation, newWebhookHandler(t, holder, mutation, false))
|
||||
webhookMux.Handle("/convert/"+mutation, newWebhookHandler(t, holder, mutation, true))
|
||||
webhookMux.Handle("/"+validation, newWebhookHandler(t, holder, validation, false))
|
||||
webhookMux.Handle("/convert/"+validation, newWebhookHandler(t, holder, validation, true))
|
||||
webhookMux.Handle("/v1beta1/"+mutation, newV1beta1WebhookHandler(t, holder, mutation, false))
|
||||
webhookMux.Handle("/v1beta1/convert/"+mutation, newV1beta1WebhookHandler(t, holder, mutation, true))
|
||||
webhookMux.Handle("/v1beta1/"+validation, newV1beta1WebhookHandler(t, holder, validation, false))
|
||||
webhookMux.Handle("/v1beta1/convert/"+validation, newV1beta1WebhookHandler(t, holder, validation, true))
|
||||
webhookMux.Handle("/v1/"+mutation, newV1WebhookHandler(t, holder, mutation, false))
|
||||
webhookMux.Handle("/v1/convert/"+mutation, newV1WebhookHandler(t, holder, mutation, true))
|
||||
webhookMux.Handle("/v1/"+validation, newV1WebhookHandler(t, holder, validation, false))
|
||||
webhookMux.Handle("/v1/convert/"+validation, newV1WebhookHandler(t, holder, validation, true))
|
||||
webhookMux.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
|
||||
holder.t.Errorf("unexpected request to %v", req.URL.Path)
|
||||
}))
|
||||
webhookServer := httptest.NewUnstartedServer(webhookMux)
|
||||
webhookServer.TLS = &tls.Config{
|
||||
RootCAs: roots,
|
||||
@ -488,7 +515,8 @@ func TestWebhookV1beta1(t *testing.T) {
|
||||
// Note: this only works because there are no overlapping resource names in-process that are not co-located
|
||||
convertedResources := map[string]schema.GroupVersionResource{}
|
||||
// build the webhook rules enumerating the specific group/version/resources we want
|
||||
convertedRules := []admissionv1beta1.RuleWithOperations{}
|
||||
convertedV1beta1Rules := []admissionv1beta1.RuleWithOperations{}
|
||||
convertedV1Rules := []admissionv1.RuleWithOperations{}
|
||||
for _, gvr := range gvrsToTest {
|
||||
metaGVR := metav1.GroupVersionResource{Group: gvr.Group, Version: gvr.Version, Resource: gvr.Resource}
|
||||
|
||||
@ -499,10 +527,14 @@ func TestWebhookV1beta1(t *testing.T) {
|
||||
convertedGVR = gvr
|
||||
convertedResources[gvr.Resource] = gvr
|
||||
// add an admission rule indicating we can receive this version
|
||||
convertedRules = append(convertedRules, admissionv1beta1.RuleWithOperations{
|
||||
convertedV1beta1Rules = append(convertedV1beta1Rules, admissionv1beta1.RuleWithOperations{
|
||||
Operations: []admissionv1beta1.OperationType{admissionv1beta1.OperationAll},
|
||||
Rule: admissionv1beta1.Rule{APIGroups: []string{gvr.Group}, APIVersions: []string{gvr.Version}, Resources: []string{gvr.Resource}},
|
||||
})
|
||||
convertedV1Rules = append(convertedV1Rules, admissionv1.RuleWithOperations{
|
||||
Operations: []admissionv1.OperationType{admissionv1.OperationAll},
|
||||
Rule: admissionv1.Rule{APIGroups: []string{gvr.Group}, APIVersions: []string{gvr.Version}, Resources: []string{gvr.Resource}},
|
||||
})
|
||||
}
|
||||
|
||||
// record the expected resource and kind
|
||||
@ -510,10 +542,16 @@ func TestWebhookV1beta1(t *testing.T) {
|
||||
holder.gvrToConvertedGVK[metaGVR] = schema.GroupVersionKind{Group: resourcesByGVR[convertedGVR].Group, Version: resourcesByGVR[convertedGVR].Version, Kind: resourcesByGVR[convertedGVR].Kind}
|
||||
}
|
||||
|
||||
if err := createV1beta1MutationWebhook(client, webhookServer.URL+"/"+mutation, webhookServer.URL+"/convert/"+mutation, convertedRules); err != nil {
|
||||
if err := createV1beta1MutationWebhook(client, webhookServer.URL+"/v1beta1/"+mutation, webhookServer.URL+"/v1beta1/convert/"+mutation, convertedV1beta1Rules); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if err := createV1beta1ValidationWebhook(client, webhookServer.URL+"/"+validation, webhookServer.URL+"/convert/"+validation, convertedRules); err != nil {
|
||||
if err := createV1beta1ValidationWebhook(client, webhookServer.URL+"/v1beta1/"+validation, webhookServer.URL+"/v1beta1/convert/"+validation, convertedV1beta1Rules); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if err := createV1MutationWebhook(client, webhookServer.URL+"/v1/"+mutation, webhookServer.URL+"/v1/convert/"+mutation, convertedV1Rules); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
if err := createV1ValidationWebhook(client, webhookServer.URL+"/v1/"+validation, webhookServer.URL+"/v1/convert/"+validation, convertedV1Rules); err != nil {
|
||||
t.Fatal(err)
|
||||
}
|
||||
|
||||
@ -1118,7 +1156,7 @@ func testNoPruningCustomFancy(c *testContext) {
|
||||
// utility methods
|
||||
//
|
||||
|
||||
func newWebhookHandler(t *testing.T, holder *holder, phase string, converted bool) http.Handler {
|
||||
func newV1beta1WebhookHandler(t *testing.T, holder *holder, phase string, converted bool) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
defer r.Body.Close()
|
||||
data, err := ioutil.ReadAll(r.Body)
|
||||
@ -1176,18 +1214,124 @@ func newWebhookHandler(t *testing.T, holder *holder, phase string, converted boo
|
||||
|
||||
if review.Request.UserInfo.Username == testClientUsername {
|
||||
// only record requests originating from this integration test's client
|
||||
holder.record(phase, converted, review.Request)
|
||||
reviewRequest := &admissionRequest{
|
||||
Operation: string(review.Request.Operation),
|
||||
Resource: review.Request.Resource,
|
||||
SubResource: review.Request.SubResource,
|
||||
Namespace: review.Request.Namespace,
|
||||
Name: review.Request.Name,
|
||||
Object: review.Request.Object,
|
||||
OldObject: review.Request.OldObject,
|
||||
Options: review.Request.Options,
|
||||
}
|
||||
holder.record("v1beta1", phase, converted, reviewRequest)
|
||||
}
|
||||
|
||||
review.Response = &v1beta1.AdmissionResponse{
|
||||
Allowed: true,
|
||||
Result: &metav1.Status{Message: "admitted"},
|
||||
}
|
||||
|
||||
// v1beta1 webhook handler tolerated these not being set. verify the server continues to accept these as unset.
|
||||
review.APIVersion = ""
|
||||
review.Kind = ""
|
||||
review.Response.UID = ""
|
||||
|
||||
// If we're mutating, and have an object, return a patch to exercise conversion
|
||||
if phase == mutation && len(review.Request.Object.Raw) > 0 {
|
||||
review.Response.Patch = []byte(`[{"op":"add","path":"/foo","value":"test"}]`)
|
||||
jsonPatch := v1beta1.PatchTypeJSONPatch
|
||||
review.Response.PatchType = &jsonPatch
|
||||
}
|
||||
|
||||
w.Header().Set("Content-Type", "application/json")
|
||||
if err := json.NewEncoder(w).Encode(review); err != nil {
|
||||
t.Errorf("Marshal of response failed with error: %v", err)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
func newV1WebhookHandler(t *testing.T, holder *holder, phase string, converted bool) http.Handler {
|
||||
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
|
||||
defer r.Body.Close()
|
||||
data, err := ioutil.ReadAll(r.Body)
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
return
|
||||
}
|
||||
|
||||
if contentType := r.Header.Get("Content-Type"); contentType != "application/json" {
|
||||
t.Errorf("contentType=%s, expect application/json", contentType)
|
||||
return
|
||||
}
|
||||
|
||||
review := admissionreviewv1.AdmissionReview{}
|
||||
if err := json.Unmarshal(data, &review); err != nil {
|
||||
t.Errorf("Fail to deserialize object: %s with error: %v", string(data), err)
|
||||
http.Error(w, err.Error(), 400)
|
||||
return
|
||||
}
|
||||
|
||||
if review.GetObjectKind().GroupVersionKind() != gvk("admission.k8s.io", "v1", "AdmissionReview") {
|
||||
err := fmt.Errorf("Invalid admission review kind: %#v", review.GetObjectKind().GroupVersionKind())
|
||||
t.Error(err)
|
||||
http.Error(w, err.Error(), 400)
|
||||
return
|
||||
}
|
||||
|
||||
if len(review.Request.Object.Raw) > 0 {
|
||||
u := &unstructured.Unstructured{Object: map[string]interface{}{}}
|
||||
if err := json.Unmarshal(review.Request.Object.Raw, u); err != nil {
|
||||
t.Errorf("Fail to deserialize object: %s with error: %v", string(review.Request.Object.Raw), err)
|
||||
http.Error(w, err.Error(), 400)
|
||||
return
|
||||
}
|
||||
review.Request.Object.Object = u
|
||||
}
|
||||
if len(review.Request.OldObject.Raw) > 0 {
|
||||
u := &unstructured.Unstructured{Object: map[string]interface{}{}}
|
||||
if err := json.Unmarshal(review.Request.OldObject.Raw, u); err != nil {
|
||||
t.Errorf("Fail to deserialize object: %s with error: %v", string(review.Request.OldObject.Raw), err)
|
||||
http.Error(w, err.Error(), 400)
|
||||
return
|
||||
}
|
||||
review.Request.OldObject.Object = u
|
||||
}
|
||||
|
||||
if len(review.Request.Options.Raw) > 0 {
|
||||
u := &unstructured.Unstructured{Object: map[string]interface{}{}}
|
||||
if err := json.Unmarshal(review.Request.Options.Raw, u); err != nil {
|
||||
t.Errorf("Fail to deserialize options object: %s for admission request %#+v with error: %v", string(review.Request.Options.Raw), review.Request, err)
|
||||
http.Error(w, err.Error(), 400)
|
||||
return
|
||||
}
|
||||
review.Request.Options.Object = u
|
||||
}
|
||||
|
||||
if review.Request.UserInfo.Username == testClientUsername {
|
||||
// only record requests originating from this integration test's client
|
||||
reviewRequest := &admissionRequest{
|
||||
Operation: string(review.Request.Operation),
|
||||
Resource: review.Request.Resource,
|
||||
SubResource: review.Request.SubResource,
|
||||
Namespace: review.Request.Namespace,
|
||||
Name: review.Request.Name,
|
||||
Object: review.Request.Object,
|
||||
OldObject: review.Request.OldObject,
|
||||
Options: review.Request.Options,
|
||||
}
|
||||
holder.record("v1", phase, converted, reviewRequest)
|
||||
}
|
||||
|
||||
review.Response = &admissionreviewv1.AdmissionResponse{
|
||||
Allowed: true,
|
||||
UID: review.Request.UID,
|
||||
Result: &metav1.Status{Message: "admitted"},
|
||||
}
|
||||
// If we're mutating, and have an object, return a patch to exercise conversion
|
||||
if phase == mutation && len(review.Request.Object.Raw) > 0 {
|
||||
review.Response.Patch = []byte(`[{"op":"add","path":"/foo","value":"test"}]`)
|
||||
jsonPatch := v1beta1.PatchTypeJSONPatch
|
||||
review.Response.Patch = []byte(`[{"op":"add","path":"/bar","value":"test"}]`)
|
||||
jsonPatch := admissionreviewv1.PatchTypeJSONPatch
|
||||
review.Response.PatchType = &jsonPatch
|
||||
}
|
||||
|
||||
@ -1358,6 +1502,84 @@ func createV1beta1MutationWebhook(client clientset.Interface, endpoint, converte
|
||||
return err
|
||||
}
|
||||
|
||||
func createV1ValidationWebhook(client clientset.Interface, endpoint, convertedEndpoint string, convertedRules []admissionv1.RuleWithOperations) error {
|
||||
fail := admissionv1.Fail
|
||||
equivalent := admissionv1.Equivalent
|
||||
none := admissionv1.SideEffectClassNone
|
||||
// Attaching Admission webhook to API server
|
||||
_, err := client.AdmissionregistrationV1().ValidatingWebhookConfigurations().Create(&admissionv1.ValidatingWebhookConfiguration{
|
||||
ObjectMeta: metav1.ObjectMeta{Name: "admissionv1.integration.test"},
|
||||
Webhooks: []admissionv1.ValidatingWebhook{
|
||||
{
|
||||
Name: "admissionv1.integration.test",
|
||||
ClientConfig: admissionv1.WebhookClientConfig{
|
||||
URL: &endpoint,
|
||||
CABundle: localhostCert,
|
||||
},
|
||||
Rules: []admissionv1.RuleWithOperations{{
|
||||
Operations: []admissionv1.OperationType{admissionv1.OperationAll},
|
||||
Rule: admissionv1.Rule{APIGroups: []string{"*"}, APIVersions: []string{"*"}, Resources: []string{"*/*"}},
|
||||
}},
|
||||
FailurePolicy: &fail,
|
||||
AdmissionReviewVersions: []string{"v1", "v1beta1"},
|
||||
SideEffects: &none,
|
||||
},
|
||||
{
|
||||
Name: "admissionv1.integration.testconversion",
|
||||
ClientConfig: admissionv1.WebhookClientConfig{
|
||||
URL: &convertedEndpoint,
|
||||
CABundle: localhostCert,
|
||||
},
|
||||
Rules: convertedRules,
|
||||
FailurePolicy: &fail,
|
||||
MatchPolicy: &equivalent,
|
||||
AdmissionReviewVersions: []string{"v1", "v1beta1"},
|
||||
SideEffects: &none,
|
||||
},
|
||||
},
|
||||
})
|
||||
return err
|
||||
}
|
||||
|
||||
func createV1MutationWebhook(client clientset.Interface, endpoint, convertedEndpoint string, convertedRules []admissionv1.RuleWithOperations) error {
|
||||
fail := admissionv1.Fail
|
||||
equivalent := admissionv1.Equivalent
|
||||
none := admissionv1.SideEffectClassNone
|
||||
// Attaching Mutation webhook to API server
|
||||
_, err := client.AdmissionregistrationV1().MutatingWebhookConfigurations().Create(&admissionv1.MutatingWebhookConfiguration{
|
||||
ObjectMeta: metav1.ObjectMeta{Name: "mutationv1.integration.test"},
|
||||
Webhooks: []admissionv1.MutatingWebhook{
|
||||
{
|
||||
Name: "mutationv1.integration.test",
|
||||
ClientConfig: admissionv1.WebhookClientConfig{
|
||||
URL: &endpoint,
|
||||
CABundle: localhostCert,
|
||||
},
|
||||
Rules: []admissionv1.RuleWithOperations{{
|
||||
Operations: []admissionv1.OperationType{admissionv1.OperationAll},
|
||||
Rule: admissionv1.Rule{APIGroups: []string{"*"}, APIVersions: []string{"*"}, Resources: []string{"*/*"}},
|
||||
}},
|
||||
FailurePolicy: &fail,
|
||||
AdmissionReviewVersions: []string{"v1", "v1beta1"},
|
||||
SideEffects: &none,
|
||||
},
|
||||
{
|
||||
Name: "mutationv1.integration.testconversion",
|
||||
ClientConfig: admissionv1.WebhookClientConfig{
|
||||
URL: &convertedEndpoint,
|
||||
CABundle: localhostCert,
|
||||
},
|
||||
Rules: convertedRules,
|
||||
FailurePolicy: &fail,
|
||||
MatchPolicy: &equivalent,
|
||||
AdmissionReviewVersions: []string{"v1", "v1beta1"},
|
||||
SideEffects: &none,
|
||||
},
|
||||
},
|
||||
})
|
||||
return err
|
||||
}
|
||||
|
||||
// localhostCert was generated from crypto/tls/generate_cert.go with the following command:
|
||||
// go run generate_cert.go --rsa-bits 512 --host 127.0.0.1,::1,example.com --ca --start-date "Jan 1 00:00:00 1970" --duration=1000000h
|
||||
var localhostCert = []byte(`-----BEGIN CERTIFICATE-----
|
||||
|
||||
Loading…
Reference in New Issue
Block a user