github.com/fafucoder/cilium@v1.6.11/cilium/cmd/bpf_tunnel_list.go (about)

     1  // Copyright 2017 Authors of Cilium
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package cmd
    16  
    17  import (
    18  	"os"
    19  
    20  	"github.com/cilium/cilium/common"
    21  	"github.com/cilium/cilium/pkg/command"
    22  	"github.com/cilium/cilium/pkg/maps/tunnel"
    23  
    24  	"github.com/spf13/cobra"
    25  )
    26  
    27  const (
    28  	tunnelTitle = "TUNNEL"
    29  )
    30  
    31  var bpfTunnelListCmd = &cobra.Command{
    32  	Use:     "list",
    33  	Aliases: []string{"ls"},
    34  	Short:   "List tunnel endpoint entries",
    35  	Run: func(cmd *cobra.Command, args []string) {
    36  		common.RequireRootPrivilege("cilium bpf tunnel list")
    37  
    38  		tunnelList := make(map[string][]string)
    39  		if err := tunnel.TunnelMap.Dump(tunnelList); err != nil {
    40  			os.Exit(1)
    41  		}
    42  
    43  		if command.OutputJSON() {
    44  			if err := command.PrintOutput(tunnelList); err != nil {
    45  				os.Exit(1)
    46  			}
    47  			return
    48  		}
    49  
    50  		TablePrinter(tunnelTitle, destinationTitle, tunnelList)
    51  	},
    52  }
    53  
    54  func init() {
    55  	bpfTunnelCmd.AddCommand(bpfTunnelListCmd)
    56  	command.AddJSONOutput(bpfTunnelListCmd)
    57  }