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// Copyright 2018 Google Inc.
//
// 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 cmd
import (
"context"
"flag"
"github.com/google/subcommands"
"gvisor.googlesource.com/gvisor/runsc/boot"
"gvisor.googlesource.com/gvisor/runsc/sandbox"
)
// Delete implements subcommands.Command for the "delete" command.
type Delete struct {
// force indicates that the sandbox should be terminated if running.
force bool
}
// Name implements subcommands.Command.Name.
func (*Delete) Name() string {
return "delete"
}
// Synopsis implements subcommands.Command.Synopsis.
func (*Delete) Synopsis() string {
return "delete resources held by a container"
}
// Usage implements subcommands.Command.Usage.
func (*Delete) Usage() string {
return `delete [flags] <container ids>`
}
// SetFlags implements subcommands.Command.SetFlags.
func (d *Delete) SetFlags(f *flag.FlagSet) {
f.BoolVar(&d.force, "force", false, "terminate sandbox if running")
}
// Execute implements subcommands.Command.Execute.
func (d *Delete) Execute(_ context.Context, f *flag.FlagSet, args ...interface{}) subcommands.ExitStatus {
if f.NArg() == 0 {
f.Usage()
return subcommands.ExitUsageError
}
conf := args[0].(*boot.Config)
for i := 0; i < f.NArg(); i++ {
id := f.Arg(i)
s, err := sandbox.Load(conf.RootDir, id)
if err != nil {
Fatalf("error loading sandbox %q: %v", id, err)
}
if !d.force && (s.Status == sandbox.Running) {
Fatalf("cannot stop running sandbox without --force flag")
}
if err := s.Destroy(); err != nil {
Fatalf("error destroying sandbox: %v", err)
}
}
return subcommands.ExitSuccess
}
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