github.com/fafucoder/cilium@v1.6.11/cilium/cmd/version.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  	"fmt"
    19  	"os"
    20  
    21  	"github.com/cilium/cilium/pkg/command"
    22  	"github.com/cilium/cilium/pkg/version"
    23  
    24  	"github.com/spf13/cobra"
    25  )
    26  
    27  const notResponding = "Not responding"
    28  
    29  var versionCmd = &cobra.Command{
    30  	Use:   "version",
    31  	Short: "Print version information",
    32  	Run: func(cmd *cobra.Command, args []string) {
    33  		getVersion(cmd, args)
    34  	},
    35  }
    36  
    37  func init() {
    38  	rootCmd.AddCommand(versionCmd)
    39  	command.AddJSONOutput(versionCmd)
    40  }
    41  
    42  func getVersion(cmd *cobra.Command, args []string) {
    43  	// -o argument is set
    44  	if command.OutputJSON() {
    45  		data := struct {
    46  			Client version.CiliumVersion
    47  			Daemon version.CiliumVersion
    48  		}{
    49  			getClientVersionAsStruct(),
    50  			getDaemonVersionAsStruct(),
    51  		}
    52  		if err := command.PrintOutput(data); err != nil {
    53  			os.Exit(1)
    54  		}
    55  		return
    56  	}
    57  	// default output
    58  	fmt.Printf("Client: %s\n", getClientVersionAsString())
    59  	fmt.Printf("Daemon: %s\n", getDaemonVersionAsString())
    60  }
    61  
    62  func getClientVersionAsString() string {
    63  	return version.Version
    64  }
    65  
    66  func getDaemonVersionAsString() string {
    67  	resp, err := client.Daemon.GetDebuginfo(nil)
    68  	if err != nil {
    69  		return notResponding
    70  	}
    71  	return resp.Payload.CiliumVersion
    72  }
    73  
    74  func getClientVersionAsStruct() version.CiliumVersion {
    75  	return version.GetCiliumVersion()
    76  }
    77  
    78  func getDaemonVersionAsStruct() version.CiliumVersion {
    79  	data := getDaemonVersionAsString()
    80  	if data == notResponding {
    81  		return version.CiliumVersion{}
    82  	}
    83  	return version.FromString(data)
    84  }