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Require listers to implement TableConverter

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This commit is contained in:
Jordan Liggitt 2020-03-09 10:08:13 -04:00
parent c4a7d3cf16
commit 7cbb74d089
3 changed files with 21 additions and 7 deletions
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6
staging/src/k8s.io/apiserver/pkg/endpoints/installer.go
View File

@ -381,7 +381,11 @@ func (a *APIInstaller) registerResourceHandlers(path string, storage rest.Storag
resourceKind = kind
}
tableProvider, _ := storage.(rest.TableConvertor)
tableProvider, isTableProvider := storage.(rest.TableConvertor)
if isLister && !isTableProvider {
// All listers must implement TableProvider
return nil, fmt.Errorf("%q must implement TableConvertor", resource)
}
var apiResource metav1.APIResource
if utilfeature.DefaultFeatureGate.Enabled(features.StorageVersionHash) &&

6
staging/src/k8s.io/apiserver/pkg/registry/generic/registry/store.go
View File

@ -1217,6 +1217,10 @@ func (e *Store) CompleteWithOptions(options *generic.StoreOptions) error {
return fmt.Errorf("store for %s must set both KeyRootFunc and KeyFunc or neither", e.DefaultQualifiedResource.String())
}
if e.TableConvertor == nil {
return fmt.Errorf("store for %s must set TableConvertor; rest.NewDefaultTableConvertor(e.DefaultQualifiedResource) can be used to output just name/creation time", e.DefaultQualifiedResource.String())
}
var isNamespaced bool
switch {
case e.CreateStrategy != nil:
@ -1377,7 +1381,7 @@ func (e *Store) ConvertToTable(ctx context.Context, object runtime.Object, table
if e.TableConvertor != nil {
return e.TableConvertor.ConvertToTable(ctx, object, tableOptions)
}
return rest.NewDefaultTableConvertor(e.qualifiedResourceFromContext(ctx)).ConvertToTable(ctx, object, tableOptions)
return rest.NewDefaultTableConvertor(e.DefaultQualifiedResource).ConvertToTable(ctx, object, tableOptions)
}
func (e *Store) StorageVersion() runtime.GroupVersioner {

16
staging/src/k8s.io/apiserver/pkg/registry/rest/table.go
View File

@ -26,15 +26,17 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
)
type defaultTableConvertor struct {
qualifiedResource schema.GroupResource
defaultQualifiedResource schema.GroupResource
}
// NewDefaultTableConvertor creates a default convertor for the provided resource.
func NewDefaultTableConvertor(resource schema.GroupResource) TableConvertor {
return defaultTableConvertor{qualifiedResource: resource}
// NewDefaultTableConvertor creates a default convertor; the provided resource is used for error messages
// if no resource info can be determined from the context passed to ConvertToTable.
func NewDefaultTableConvertor(defaultQualifiedResource schema.GroupResource) TableConvertor {
return defaultTableConvertor{defaultQualifiedResource: defaultQualifiedResource}
}
var swaggerMetadataDescriptions = metav1.ObjectMeta{}.SwaggerDoc()
@ -44,7 +46,11 @@ func (c defaultTableConvertor) ConvertToTable(ctx context.Context, object runtim
fn := func(obj runtime.Object) error {
m, err := meta.Accessor(obj)
if err != nil {
return errNotAcceptable{resource: c.qualifiedResource}
resource := c.defaultQualifiedResource
if info, ok := genericapirequest.RequestInfoFrom(ctx); ok {
resource = schema.GroupResource{Group: info.APIGroup, Resource: info.Resource}
}
return errNotAcceptable{resource: resource}
}
table.Rows = append(table.Rows, metav1.TableRow{
Cells: []interface{}{m.GetName(), m.GetCreationTimestamp().Time.UTC().Format(time.RFC3339)},