default a CSR's allowed usage to key encipherment and digital signing

This commit is contained in:
Mike Danese 2017-01-10 15:47:17 -08:00
parent dc7fd284f0
commit 06077ac088
7 changed files with 90 additions and 44 deletions

View File

@ -54,47 +54,49 @@ func TestVerifyDefaulting(t *testing.T) {
func TestDefaulting(t *testing.T) {
// these are the known types with defaulters - you must add to this list if you add a top level defaulter
typesWithDefaulting := map[schema.GroupVersionKind]struct{}{
{Group: "", Version: "v1", Kind: "ConfigMap"}: {},
{Group: "", Version: "v1", Kind: "ConfigMapList"}: {},
{Group: "", Version: "v1", Kind: "Endpoints"}: {},
{Group: "", Version: "v1", Kind: "EndpointsList"}: {},
{Group: "", Version: "v1", Kind: "Namespace"}: {},
{Group: "", Version: "v1", Kind: "NamespaceList"}: {},
{Group: "", Version: "v1", Kind: "Node"}: {},
{Group: "", Version: "v1", Kind: "NodeList"}: {},
{Group: "", Version: "v1", Kind: "PersistentVolume"}: {},
{Group: "", Version: "v1", Kind: "PersistentVolumeList"}: {},
{Group: "", Version: "v1", Kind: "PersistentVolumeClaim"}: {},
{Group: "", Version: "v1", Kind: "PersistentVolumeClaimList"}: {},
{Group: "", Version: "v1", Kind: "PodAttachOptions"}: {},
{Group: "", Version: "v1", Kind: "PodExecOptions"}: {},
{Group: "", Version: "v1", Kind: "Pod"}: {},
{Group: "", Version: "v1", Kind: "PodList"}: {},
{Group: "", Version: "v1", Kind: "PodTemplate"}: {},
{Group: "", Version: "v1", Kind: "PodTemplateList"}: {},
{Group: "", Version: "v1", Kind: "ReplicationController"}: {},
{Group: "", Version: "v1", Kind: "ReplicationControllerList"}: {},
{Group: "", Version: "v1", Kind: "Secret"}: {},
{Group: "", Version: "v1", Kind: "SecretList"}: {},
{Group: "", Version: "v1", Kind: "Service"}: {},
{Group: "", Version: "v1", Kind: "ServiceList"}: {},
{Group: "apps", Version: "v1beta1", Kind: "StatefulSet"}: {},
{Group: "apps", Version: "v1beta1", Kind: "StatefulSetList"}: {},
{Group: "autoscaling", Version: "v1", Kind: "HorizontalPodAutoscaler"}: {},
{Group: "autoscaling", Version: "v1", Kind: "HorizontalPodAutoscalerList"}: {},
{Group: "batch", Version: "v1", Kind: "Job"}: {},
{Group: "batch", Version: "v1", Kind: "JobList"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "CronJob"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "CronJobList"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "Job"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "JobList"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "JobTemplate"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "ScheduledJob"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "ScheduledJobList"}: {},
{Group: "componentconfig", Version: "v1alpha1", Kind: "KubeProxyConfiguration"}: {},
{Group: "componentconfig", Version: "v1alpha1", Kind: "KubeSchedulerConfiguration"}: {},
{Group: "componentconfig", Version: "v1alpha1", Kind: "KubeletConfiguration"}: {},
{Group: "kubeadm.k8s.io", Version: "v1alpha1", Kind: "MasterConfiguration"}: {},
{Group: "", Version: "v1", Kind: "ConfigMap"}: {},
{Group: "", Version: "v1", Kind: "ConfigMapList"}: {},
{Group: "", Version: "v1", Kind: "Endpoints"}: {},
{Group: "", Version: "v1", Kind: "EndpointsList"}: {},
{Group: "", Version: "v1", Kind: "Namespace"}: {},
{Group: "", Version: "v1", Kind: "NamespaceList"}: {},
{Group: "", Version: "v1", Kind: "Node"}: {},
{Group: "", Version: "v1", Kind: "NodeList"}: {},
{Group: "", Version: "v1", Kind: "PersistentVolume"}: {},
{Group: "", Version: "v1", Kind: "PersistentVolumeList"}: {},
{Group: "", Version: "v1", Kind: "PersistentVolumeClaim"}: {},
{Group: "", Version: "v1", Kind: "PersistentVolumeClaimList"}: {},
{Group: "", Version: "v1", Kind: "PodAttachOptions"}: {},
{Group: "", Version: "v1", Kind: "PodExecOptions"}: {},
{Group: "", Version: "v1", Kind: "Pod"}: {},
{Group: "", Version: "v1", Kind: "PodList"}: {},
{Group: "", Version: "v1", Kind: "PodTemplate"}: {},
{Group: "", Version: "v1", Kind: "PodTemplateList"}: {},
{Group: "", Version: "v1", Kind: "ReplicationController"}: {},
{Group: "", Version: "v1", Kind: "ReplicationControllerList"}: {},
{Group: "", Version: "v1", Kind: "Secret"}: {},
{Group: "", Version: "v1", Kind: "SecretList"}: {},
{Group: "", Version: "v1", Kind: "Service"}: {},
{Group: "", Version: "v1", Kind: "ServiceList"}: {},
{Group: "apps", Version: "v1beta1", Kind: "StatefulSet"}: {},
{Group: "apps", Version: "v1beta1", Kind: "StatefulSetList"}: {},
{Group: "autoscaling", Version: "v1", Kind: "HorizontalPodAutoscaler"}: {},
{Group: "autoscaling", Version: "v1", Kind: "HorizontalPodAutoscalerList"}: {},
{Group: "batch", Version: "v1", Kind: "Job"}: {},
{Group: "batch", Version: "v1", Kind: "JobList"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "CronJob"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "CronJobList"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "Job"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "JobList"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "JobTemplate"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "ScheduledJob"}: {},
{Group: "batch", Version: "v2alpha1", Kind: "ScheduledJobList"}: {},
{Group: "certificates.k8s.io", Version: "v1alpha1", Kind: "CertificateSigningRequest"}: {},
{Group: "certificates.k8s.io", Version: "v1alpha1", Kind: "CertificateSigningRequestList"}: {},
{Group: "componentconfig", Version: "v1alpha1", Kind: "KubeProxyConfiguration"}: {},
{Group: "componentconfig", Version: "v1alpha1", Kind: "KubeSchedulerConfiguration"}: {},
{Group: "componentconfig", Version: "v1alpha1", Kind: "KubeletConfiguration"}: {},
{Group: "kubeadm.k8s.io", Version: "v1alpha1", Kind: "MasterConfiguration"}: {},
// This object contains only int fields which currently breaks the defaulting test because
// it's pretty stupid. Once we add non integer fields, we should uncomment this.
// {Group: "kubeadm.k8s.io", Version: "v1alpha1", Kind: "NodeConfiguration"}: {},

View File

@ -23,6 +23,7 @@ go_library(
"//pkg/api/v1:go_default_library",
"//pkg/apis/autoscaling:go_default_library",
"//pkg/apis/batch:go_default_library",
"//pkg/apis/certificates:go_default_library",
"//pkg/apis/extensions:go_default_library",
"//pkg/apis/policy:go_default_library",
"//pkg/apis/rbac:go_default_library",

View File

@ -34,6 +34,7 @@ import (
"k8s.io/kubernetes/pkg/api/testapi"
"k8s.io/kubernetes/pkg/apis/autoscaling"
"k8s.io/kubernetes/pkg/apis/batch"
"k8s.io/kubernetes/pkg/apis/certificates"
"k8s.io/kubernetes/pkg/apis/extensions"
"k8s.io/kubernetes/pkg/apis/policy"
"k8s.io/kubernetes/pkg/apis/rbac"
@ -567,6 +568,10 @@ func FuzzerFor(t *testing.T, version schema.GroupVersion, src rand.Source) *fuzz
c.FuzzNoCustom(s) // fuzz self without calling this function again
s.PodDisruptionsAllowed = int32(c.Rand.Intn(2))
},
func(obj *certificates.CertificateSigningRequestSpec, c fuzz.Continue) {
c.FuzzNoCustom(obj) // fuzz self without calling this function again
obj.Usages = []certificates.KeyUsage{certificates.UsageKeyEncipherment}
},
)
return f
}

View File

@ -11,6 +11,7 @@ go_library(
name = "go_default_library",
srcs = [
"conversion.go",
"defaults.go",
"doc.go",
"generated.pb.go",
"register.go",

View File

@ -0,0 +1,31 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package v1alpha1
import "k8s.io/apimachinery/pkg/runtime"
func addDefaultingFuncs(scheme *runtime.Scheme) error {
RegisterDefaults(scheme)
return scheme.AddDefaultingFuncs(
SetDefaults_CertificateSigningRequestSpec,
)
}
func SetDefaults_CertificateSigningRequestSpec(obj *CertificateSigningRequestSpec) {
if obj.Usages == nil {
obj.Usages = []KeyUsage{UsageDigitalSignature, UsageKeyEncipherment}
}
}

View File

@ -1,5 +1,5 @@
/*
Copyright 2016 The Kubernetes Authors.
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@ -40,7 +40,7 @@ func Resource(resource string) schema.GroupResource {
}
var (
SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes, addConversionFuncs)
SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes, addConversionFuncs, addDefaultingFuncs)
AddToScheme = SchemeBuilder.AddToScheme
)

View File

@ -50,8 +50,14 @@ func ValidateCertificateSigningRequest(csr *certificates.CertificateSigningReque
isNamespaced := false
allErrs := apivalidation.ValidateObjectMeta(&csr.ObjectMeta, isNamespaced, ValidateCertificateRequestName, field.NewPath("metadata"))
err := validateCSR(csr)
specPath := field.NewPath("spec")
if err != nil {
allErrs = append(allErrs, field.Invalid(field.NewPath("request"), csr.Spec.Request, fmt.Sprintf("%v", err)))
allErrs = append(allErrs, field.Invalid(specPath.Child("request"), csr.Spec.Request, fmt.Sprintf("%v", err)))
}
if len(csr.Spec.Usages) == 0 {
allErrs = append(allErrs, field.Required(specPath.Child("usages"), "usages must be provided"))
}
return allErrs
}