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// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package trace
import (
"context"
"fmt"
"github.com/google/subcommands"
"gvisor.dev/gvisor/runsc/cmd/util"
"gvisor.dev/gvisor/runsc/config"
"gvisor.dev/gvisor/runsc/container"
"gvisor.dev/gvisor/runsc/flag"
)
// delete implements subcommands.Command for the "delete" command.
type delete struct {
sessionName string
}
// Name implements subcommands.Command.
func (*delete) Name() string {
return "delete"
}
// Synopsis implements subcommands.Command.
func (*delete) Synopsis() string {
return "delete a trace session"
}
// Usage implements subcommands.Command.
func (*delete) Usage() string {
return `delete [flags] <sandbox id> - delete a trace session
`
}
// SetFlags implements subcommands.Command.
func (l *delete) SetFlags(f *flag.FlagSet) {
f.StringVar(&l.sessionName, "name", "", "name of session to be deleted")
}
// Execute implements subcommands.Command.
func (l *delete) Execute(_ context.Context, f *flag.FlagSet, args ...any) subcommands.ExitStatus {
if f.NArg() != 1 {
f.Usage()
return subcommands.ExitUsageError
}
if len(l.sessionName) == 0 {
f.Usage()
return util.Errorf("missing session name, please set --name")
}
id := f.Arg(0)
conf := args[0].(*config.Config)
opts := container.LoadOpts{
SkipCheck: true,
RootContainer: true,
}
c, err := container.Load(conf.RootDir, container.FullID{ContainerID: id}, opts)
if err != nil {
util.Fatalf("loading sandbox: %v", err)
}
if err := c.Sandbox.DeleteTraceSession(l.sessionName); err != nil {
util.Fatalf("deleting session: %v", err)
}
fmt.Printf("Trace session %q deleted.\n", l.sessionName)
return subcommands.ExitSuccess
}
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