81 lines
3.1 KiB
Go
81 lines
3.1 KiB
Go
/*
|
|
Copyright 2014 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 validation
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
"k8s.io/kubernetes/pkg/api/meta"
|
|
"k8s.io/kubernetes/pkg/api/unversioned"
|
|
apiutil "k8s.io/kubernetes/pkg/api/util"
|
|
"k8s.io/kubernetes/pkg/apimachinery/registered"
|
|
"k8s.io/kubernetes/pkg/util/validation"
|
|
"k8s.io/kubernetes/pkg/util/validation/field"
|
|
)
|
|
|
|
// ValidateEvent makes sure that the event makes sense.
|
|
func ValidateEvent(event *api.Event) field.ErrorList {
|
|
allErrs := field.ErrorList{}
|
|
|
|
// Make sure event.Namespace and the involvedObject.Namespace agree
|
|
if len(event.InvolvedObject.Namespace) == 0 {
|
|
// event.Namespace must also be empty (or "default", for compatibility with old clients)
|
|
if event.Namespace != api.NamespaceNone && event.Namespace != api.NamespaceDefault {
|
|
allErrs = append(allErrs, field.Invalid(field.NewPath("involvedObject", "namespace"), event.InvolvedObject.Namespace, "does not match event.namespace"))
|
|
}
|
|
} else {
|
|
// event namespace must match
|
|
if event.Namespace != event.InvolvedObject.Namespace {
|
|
allErrs = append(allErrs, field.Invalid(field.NewPath("involvedObject", "namespace"), event.InvolvedObject.Namespace, "does not match event.namespace"))
|
|
}
|
|
}
|
|
|
|
// For kinds we recognize, make sure involvedObject.Namespace is set for namespaced kinds
|
|
if namespaced, err := isNamespacedKind(event.InvolvedObject.Kind, event.InvolvedObject.APIVersion); err == nil {
|
|
if namespaced && len(event.InvolvedObject.Namespace) == 0 {
|
|
allErrs = append(allErrs, field.Required(field.NewPath("involvedObject", "namespace"), fmt.Sprintf("required for kind %s", event.InvolvedObject.Kind)))
|
|
}
|
|
if !namespaced && len(event.InvolvedObject.Namespace) > 0 {
|
|
allErrs = append(allErrs, field.Invalid(field.NewPath("involvedObject", "namespace"), event.InvolvedObject.Namespace, fmt.Sprintf("not allowed for kind %s", event.InvolvedObject.Kind)))
|
|
}
|
|
}
|
|
|
|
for _, msg := range validation.IsDNS1123Subdomain(event.Namespace) {
|
|
allErrs = append(allErrs, field.Invalid(field.NewPath("namespace"), event.Namespace, msg))
|
|
}
|
|
return allErrs
|
|
}
|
|
|
|
// Check whether the kind in groupVersion is scoped at the root of the api hierarchy
|
|
func isNamespacedKind(kind, groupVersion string) (bool, error) {
|
|
group := apiutil.GetGroup(groupVersion)
|
|
g, err := registered.Group(group)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
restMapping, err := g.RESTMapper.RESTMapping(unversioned.GroupKind{Group: group, Kind: kind}, apiutil.GetVersion(groupVersion))
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
scopeName := restMapping.Scope.Name()
|
|
if scopeName == meta.RESTScopeNameNamespace {
|
|
return true, nil
|
|
}
|
|
return false, nil
|
|
}
|