mirror of https://github.com/knative/client.git
86 lines
3.0 KiB
Go
86 lines
3.0 KiB
Go
// Copyright © 2019 The Knative 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 source
|
|
|
|
import (
|
|
"fmt"
|
|
"sort"
|
|
|
|
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
|
|
metav1beta1 "k8s.io/apimachinery/pkg/apis/meta/v1beta1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
|
|
hprinters "knative.dev/client/pkg/printers"
|
|
)
|
|
|
|
var sourceTypeDescription = map[string]string{
|
|
"ApiServerSource": "Watch and send Kubernetes API events to a sink",
|
|
"SinkBinding": "Binding for connecting a PodSpecable to a sink",
|
|
"PingSource": "Send periodically ping events to a sink",
|
|
}
|
|
|
|
func getSourceTypeDescription(kind string) string {
|
|
return sourceTypeDescription[kind]
|
|
}
|
|
|
|
// ListTypesHandlers handles printing human readable table for `kn source list-types` command's output
|
|
func ListTypesHandlers(h hprinters.PrintHandler) {
|
|
sourceTypesColumnDefinitions := []metav1beta1.TableColumnDefinition{
|
|
{Name: "Type", Type: "string", Description: "Kind / Type of the source type", Priority: 1},
|
|
{Name: "Name", Type: "string", Description: "Name of the source type", Priority: 1},
|
|
{Name: "Description", Type: "string", Description: "Description of the source type", Priority: 1},
|
|
}
|
|
h.TableHandler(sourceTypesColumnDefinitions, printSourceTypes)
|
|
h.TableHandler(sourceTypesColumnDefinitions, printSourceTypesList)
|
|
}
|
|
|
|
// printSourceTypes populates a single row of source types list table
|
|
func printSourceTypes(sourceType unstructured.Unstructured, options hprinters.PrintOptions) ([]metav1beta1.TableRow, error) {
|
|
name := sourceType.GetName()
|
|
content := sourceType.UnstructuredContent()
|
|
kind, found, err := unstructured.NestedString(content, "spec", "names", "kind")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !found {
|
|
return nil, fmt.Errorf("can't find specs.names.kind for %s", name)
|
|
}
|
|
|
|
row := metav1beta1.TableRow{
|
|
Object: runtime.RawExtension{Object: &sourceType},
|
|
}
|
|
row.Cells = append(row.Cells, kind, name, getSourceTypeDescription(kind))
|
|
return []metav1beta1.TableRow{row}, nil
|
|
}
|
|
|
|
// printSourceTypesList populates the source types list table rows
|
|
func printSourceTypesList(sourceTypesList *unstructured.UnstructuredList, options hprinters.PrintOptions) ([]metav1beta1.TableRow, error) {
|
|
rows := make([]metav1beta1.TableRow, 0, len(sourceTypesList.Items))
|
|
|
|
sort.SliceStable(sourceTypesList.Items, func(i, j int) bool {
|
|
return sourceTypesList.Items[i].GetName() < sourceTypesList.Items[j].GetName()
|
|
})
|
|
for _, item := range sourceTypesList.Items {
|
|
row, err := printSourceTypes(item, options)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
rows = append(rows, row...)
|
|
}
|
|
return rows, nil
|
|
}
|