client/pkg/kn/commands/revision_get.go

68 lines
1.9 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 commands
import (
"fmt"
"github.com/spf13/cobra"
"k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
)
// NewRevisionGetCommand represents 'kn revision get' command
func NewRevisionGetCommand(p *KnParams) *cobra.Command {
revisionGetFlags := NewRevisionGetFlags()
revisionGetCommand := &cobra.Command{
Use: "get",
Short: "Get available revisions.",
RunE: func(cmd *cobra.Command, args []string) error {
client, err := p.ServingFactory()
if err != nil {
return err
}
namespace, err := GetNamespace(cmd)
if err != nil {
return err
}
revision, err := client.Revisions(namespace).List(v1.ListOptions{})
if err != nil {
return err
}
if len(revision.Items) == 0 {
fmt.Fprintf(cmd.OutOrStdout(), "No resources found.\n")
return nil
}
revision.GetObjectKind().SetGroupVersionKind(schema.GroupVersionKind{
Group: "knative.dev",
Version: "v1alpha1",
Kind: "revision"})
printer, err := revisionGetFlags.ToPrinter()
if err != nil {
return err
}
err = printer.PrintObj(revision, cmd.OutOrStdout())
if err != nil {
return err
}
return nil
},
}
AddNamespaceFlags(revisionGetCommand.Flags(), true)
revisionGetFlags.AddFlags(revisionGetCommand)
return revisionGetCommand
}