gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/tools/gvisor_k8s_tool/main.go (about)

     1  // Copyright 2023 The gVisor Authors.
     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  // gvisor_k8s_tool is a command-line tool to interact with gVisor in
    16  // Kubernetes clusters.
    17  package main
    18  
    19  import (
    20  	"context"
    21  	"os"
    22  
    23  	"github.com/google/subcommands"
    24  	"gvisor.dev/gvisor/runsc/flag"
    25  	"gvisor.dev/gvisor/tools/gvisor_k8s_tool/cmd/install"
    26  )
    27  
    28  func registerCommands() {
    29  	subcommands.Register(subcommands.HelpCommand(), "")
    30  	subcommands.Register(subcommands.FlagsCommand(), "")
    31  	subcommands.Register(new(install.Command), "install")
    32  }
    33  
    34  func main() {
    35  	registerCommands()
    36  	flag.Parse()
    37  	switch subcommands.Execute(context.Background()) {
    38  	case subcommands.ExitSuccess:
    39  		os.Exit(0)
    40  	default:
    41  		os.Exit(128)
    42  	}
    43  }