github.com/ttpreport/gvisor-ligolo@v0.0.0-20240123134145-a858404967ba/runsc/cmd/trace/trace.go (about)

     1  // Copyright 2022 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 trace provides subcommands for the trace command.
    16  package trace
    17  
    18  import (
    19  	"bytes"
    20  	"context"
    21  
    22  	"github.com/google/subcommands"
    23  	"github.com/ttpreport/gvisor-ligolo/pkg/sentry/seccheck"
    24  	"github.com/ttpreport/gvisor-ligolo/runsc/flag"
    25  )
    26  
    27  // Trace implements subcommands.Command for the "trace" command.
    28  type Trace struct{}
    29  
    30  // Name implements subcommands.Command.
    31  func (*Trace) Name() string {
    32  	return "trace"
    33  }
    34  
    35  // Synopsis implements subcommands.Command.
    36  func (*Trace) Synopsis() string {
    37  	return "manages trace sessions for a given sandbox"
    38  }
    39  
    40  // Usage implements subcommands.Command.
    41  func (*Trace) Usage() string {
    42  	buf := bytes.Buffer{}
    43  	buf.WriteString("Usage: trace <flags> <subcommand> <subcommand args>\n\n")
    44  
    45  	cdr := createCommander(&flag.FlagSet{})
    46  	cdr.VisitGroups(func(grp *subcommands.CommandGroup) {
    47  		cdr.ExplainGroup(&buf, grp)
    48  	})
    49  
    50  	return buf.String()
    51  }
    52  
    53  // SetFlags implements subcommands.Command.
    54  func (*Trace) SetFlags(f *flag.FlagSet) {}
    55  
    56  // Execute implements subcommands.Command.
    57  func (*Trace) Execute(ctx context.Context, f *flag.FlagSet, args ...any) subcommands.ExitStatus {
    58  	seccheck.Initialize()
    59  	return createCommander(f).Execute(ctx, args...)
    60  }
    61  
    62  func createCommander(f *flag.FlagSet) *subcommands.Commander {
    63  	cdr := subcommands.NewCommander(f, "trace")
    64  	cdr.Register(cdr.HelpCommand(), "")
    65  	cdr.Register(cdr.FlagsCommand(), "")
    66  	cdr.Register(new(create), "")
    67  	cdr.Register(new(delete), "")
    68  	cdr.Register(new(list), "")
    69  	cdr.Register(new(metadata), "")
    70  	cdr.Register(new(procfs), "")
    71  	return cdr
    72  }