github.com/metacubex/gvisor@v0.0.0-20240320004321-933faba989ec/runsc/cmd/nvproxy/nvproxy.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  // Package nvproxy provides subcommands for the nvproxy command.
    16  package nvproxy
    17  
    18  import (
    19  	"bytes"
    20  	"context"
    21  
    22  	"github.com/google/subcommands"
    23  	"github.com/metacubex/gvisor/pkg/sentry/devices/nvproxy"
    24  	"github.com/metacubex/gvisor/runsc/flag"
    25  )
    26  
    27  type Nvproxy struct{}
    28  
    29  func (*Nvproxy) Name() string {
    30  	return "nvproxy"
    31  }
    32  
    33  func (*Nvproxy) Synopsis() string {
    34  	return "shows information about nvproxy support"
    35  }
    36  
    37  func (*Nvproxy) Usage() string {
    38  	buf := bytes.Buffer{}
    39  	buf.WriteString("Usage: nvproxy <flags> <subcommand> <subcommand args>\n\n")
    40  
    41  	cdr := createCommander(&flag.FlagSet{})
    42  	cdr.VisitGroups(func(grp *subcommands.CommandGroup) {
    43  		cdr.ExplainGroup(&buf, grp)
    44  	})
    45  
    46  	return buf.String()
    47  }
    48  
    49  func (*Nvproxy) SetFlags(*flag.FlagSet) {}
    50  
    51  func (*Nvproxy) Execute(ctx context.Context, f *flag.FlagSet, args ...any) subcommands.ExitStatus {
    52  	nvproxy.Init()
    53  	return createCommander(f).Execute(ctx, args...)
    54  }
    55  
    56  func createCommander(f *flag.FlagSet) *subcommands.Commander {
    57  	cdr := subcommands.NewCommander(f, "nvproxy")
    58  	cdr.Register(cdr.HelpCommand(), "")
    59  	cdr.Register(cdr.FlagsCommand(), "")
    60  	cdr.Register(new(listSupportedDrivers), "")
    61  	return cdr
    62  }