github.com/mirantis/virtlet@v1.5.2-0.20191204181327-1659b8a48e9b/cmd/virtletctl/virtletctl.go (about) 1 /* 2 Copyright 2018 Mirantis 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package main 18 19 import ( 20 "flag" 21 "os" 22 23 "github.com/renstrom/dedent" 24 "github.com/spf13/cobra" 25 26 "github.com/Mirantis/virtlet/pkg/tools" 27 ) 28 29 func newRootCmd() *cobra.Command { 30 // rootCmd represents the base command when called without any subcommands 31 cmd := &cobra.Command{ 32 Use: "virtletctl", 33 Short: "Virtlet control tool", 34 SilenceUsage: true, 35 Long: dedent.Dedent(` 36 virtletctl provides a number of utilities for Virtet-enabled 37 Kubernetes cluster.`), 38 } 39 cmd.DisableAutoGenTag = true 40 41 clientCfg := tools.BindFlags(cmd.PersistentFlags()) 42 // Fix unwanted glog warnings, see 43 // https://github.com/kubernetes/kubernetes/issues/17162#issuecomment-225596212 44 flag.CommandLine.Parse([]string{}) 45 46 client := tools.NewRealKubeClient(clientCfg) 47 cmd.AddCommand(tools.NewVirshCmd(client, os.Stdout)) 48 cmd.AddCommand(tools.NewSSHCmd(client, os.Stdout, "")) 49 cmd.AddCommand(tools.NewVNCCmd(client, os.Stdout, true)) 50 cmd.AddCommand(tools.NewInstallCmd(cmd, "", "")) 51 cmd.AddCommand(tools.NewGenDocCmd(cmd, os.Stdout)) 52 cmd.AddCommand(tools.NewGenCmd(os.Stdout)) 53 cmd.AddCommand(tools.NewVersionCommand(client, os.Stdout, nil)) 54 cmd.AddCommand(tools.NewDiagCommand(client, os.Stdin, os.Stdout)) 55 cmd.AddCommand(tools.NewValidateCommand(client, os.Stdin)) 56 57 for _, c := range cmd.Commands() { 58 c.PreRunE = func(*cobra.Command, []string) error { 59 return tools.SetLocalPluginFlags(c) 60 } 61 } 62 63 return cmd 64 } 65 66 func main() { 67 cmd := newRootCmd() 68 if tools.InPlugin() && len(os.Args) > 1 { 69 // in case of a kubectl plugin, all the options are 70 // already removed from the command line 71 args := []string{os.Args[1]} 72 args = append(args, "--") 73 args = append(args, os.Args[2:]...) 74 cmd.SetArgs(args) 75 } 76 if err := cmd.Execute(); err != nil { 77 os.Exit(1) 78 } 79 }