/
table.go
143 lines (126 loc) · 4.29 KB
/
table.go
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/*
Copyright AppsCode Inc. and Contributors.
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 request
import (
"context"
"fmt"
"net/http"
"kubeops.dev/scanner/apis/scanner"
"k8s.io/apimachinery/pkg/api/meta"
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"
"k8s.io/apiserver/pkg/registry/rest"
)
/*
Adapted from:
- https://github.com/kubernetes/apiserver/blob/master/pkg/registry/rest/table.go
- https://github.com/kubernetes/kubernetes/blob/v1.25.0/pkg/printers/internalversion/printers.go#L190-L198
*/
type defaultTableConvertor struct {
defaultQualifiedResource schema.GroupResource
}
// NewTableConvertor 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 NewTableConvertor(defaultQualifiedResource schema.GroupResource) rest.TableConvertor {
return defaultTableConvertor{defaultQualifiedResource: defaultQualifiedResource}
}
var swaggerMetadataDescriptions = metav1.ObjectMeta{}.SwaggerDoc()
func (c defaultTableConvertor) ConvertToTable(ctx context.Context, object runtime.Object, tableOptions runtime.Object) (*metav1.Table, error) {
var table metav1.Table
fn := func(obj runtime.Object) error {
var (
image string
reportName string
status string
)
if o, ok := obj.(*scanner.ImageScanRequest); ok {
if o.Status.Image != nil {
image = o.Status.Image.Name
//if o.Status.Image.Digest != "" {
// image = o.Status.Image.Name + "@" + o.Status.Image.Digest
//} else if o.Status.Image.Tag != "" {
// image = o.Status.Image.Name + ":" + o.Status.Image.Tag
//} else {
// image = o.Status.Image.Name
//}
}
if o.Status.ReportRef != nil {
reportName = o.Status.ReportRef.Name
}
status = string(o.Status.Phase)
}
m, err := meta.Accessor(obj)
if err != nil {
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(),
image,
reportName,
status,
},
Object: runtime.RawExtension{Object: obj},
})
return nil
}
switch {
case meta.IsListType(object):
if err := meta.EachListItem(object, fn); err != nil {
return nil, err
}
default:
if err := fn(object); err != nil {
return nil, err
}
}
if m, err := meta.ListAccessor(object); err == nil {
table.ResourceVersion = m.GetResourceVersion()
table.Continue = m.GetContinue()
table.RemainingItemCount = m.GetRemainingItemCount()
} else {
if m, err := meta.CommonAccessor(object); err == nil {
table.ResourceVersion = m.GetResourceVersion()
}
}
if opt, ok := tableOptions.(*metav1.TableOptions); !ok || !opt.NoHeaders {
table.ColumnDefinitions = []metav1.TableColumnDefinition{
{Name: "Name", Type: "string", Format: "name", Description: swaggerMetadataDescriptions["name"]},
{Name: "Image", Type: "string", Description: ""},
{Name: "Report Name", Type: "string", Description: ""},
{Name: "Status", Type: "string", Description: ""},
}
}
return &table, nil
}
// errNotAcceptable indicates the resource doesn't support Table conversion
type errNotAcceptable struct {
resource schema.GroupResource
}
func (e errNotAcceptable) Error() string {
return fmt.Sprintf("the resource %s does not support being converted to a Table", e.resource)
}
func (e errNotAcceptable) Status() metav1.Status {
return metav1.Status{
Status: metav1.StatusFailure,
Code: http.StatusNotAcceptable,
Reason: metav1.StatusReason("NotAcceptable"),
Message: e.Error(),
}
}