Files
higress/hgctl/pkg/plugin/ls/ls.go
澄潭 f7a419770d upgrade to istio 1.19 (#1211)
Co-authored-by: CH3CHO <ch3cho@qq.com>
Co-authored-by: rinfx <893383980@qq.com>
2024-08-26 09:51:47 +08:00

79 lines
2.1 KiB
Go

// Copyright (c) 2022 Alibaba Group Holding Ltd.
//
// 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 ls
import (
"context"
"fmt"
"io"
"time"
k8s "github.com/alibaba/higress/hgctl/pkg/kubernetes"
"github.com/alibaba/higress/pkg/cmd/options"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"k8s.io/apimachinery/pkg/util/duration"
"k8s.io/cli-runtime/pkg/printers"
cmdutil "k8s.io/kubectl/pkg/cmd/util"
)
func NewCommand() *cobra.Command {
lsCmd := &cobra.Command{
Use: "ls",
Aliases: []string{"l"},
Short: "List all installed WASM plugins",
Example: ` hgctl plugin ls`,
Run: func(cmd *cobra.Command, args []string) {
cmdutil.CheckErr(runLs(cmd.OutOrStdout()))
},
}
flags := lsCmd.PersistentFlags()
options.AddKubeConfigFlags(flags)
k8s.AddHigressNamespaceFlags(flags)
return lsCmd
}
func runLs(w io.Writer) error {
dynCli, err := k8s.NewDynamicClient(options.DefaultConfigFlags.ToRawKubeConfigLoader())
if err != nil {
return errors.Wrap(err, "failed to build kubernetes client")
}
cli := k8s.NewWasmPluginClient(dynCli)
list, err := cli.List(context.TODO())
if err != nil {
return errors.Wrap(err, "failed to list all wasm plugins")
}
printer := printers.GetNewTabWriter(w)
now := time.Now()
fmt.Fprintf(printer, "NAME\tAGE\n")
for _, item := range list.Items {
fmt.Fprintf(printer, "%s\t%s\n", item.GetName(), getAge(now, item.GetCreationTimestamp().Time))
}
if err = printer.Flush(); err != nil {
return errors.Wrap(err, "failed to flush output")
}
return nil
}
func getAge(now time.Time, create time.Time) string {
return duration.ShortHumanDuration(now.Sub(create))
}