client/pkg/commands/route/list.go

84 lines
2.3 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 route
import (
"errors"
"fmt"
"knative.dev/client/pkg/commands"
clientservingv1 "knative.dev/client/pkg/serving/v1"
"github.com/spf13/cobra"
servingv1 "knative.dev/serving/pkg/apis/serving/v1"
"knative.dev/client/pkg/commands/flags"
)
// NewrouteListCommand represents 'kn route list' command
func NewRouteListCommand(p *commands.KnParams) *cobra.Command {
routeListFlags := flags.NewListPrintFlags(RouteListHandlers)
routeListCommand := &cobra.Command{
Use: "list NAME",
Short: "List routes",
Aliases: []string{"ls"},
Example: `
# List all routes
kn route list
# List route 'web' in namespace 'dev'
kn route list web -n dev
# List all routes in YAML format
kn route list -o yaml`,
RunE: func(cmd *cobra.Command, args []string) error {
namespace, err := p.GetNamespace(cmd)
if err != nil {
return err
}
client, err := p.NewServingClient(namespace)
if err != nil {
return err
}
var routeList *servingv1.RouteList
switch len(args) {
case 0:
routeList, err = client.ListRoutes(cmd.Context())
case 1:
routeList, err = client.ListRoutes(cmd.Context(), clientservingv1.WithName(args[0]))
default:
return errors.New("'kn route list' accepts only one additional argument")
}
if err != nil {
return err
}
if !routeListFlags.GenericPrintFlags.OutputFlagSpecified() && len(routeList.Items) == 0 {
fmt.Fprintf(cmd.OutOrStdout(), "No routes found.\n")
return nil
}
err = routeListFlags.Print(routeList, cmd.OutOrStdout())
if err != nil {
return err
}
return nil
},
}
commands.AddNamespaceFlags(routeListCommand.Flags(), true)
routeListFlags.AddFlags(routeListCommand)
return routeListCommand
}