87 lines
2.0 KiB
Go
87 lines
2.0 KiB
Go
/*
|
|
Copyright The containerd 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 tasks
|
|
|
|
import (
|
|
"github.com/containerd/console"
|
|
"github.com/containerd/containerd/v2/cmd/ctr/commands"
|
|
"github.com/containerd/containerd/v2/pkg/cio"
|
|
"github.com/containerd/log"
|
|
"github.com/urfave/cli"
|
|
)
|
|
|
|
var attachCommand = cli.Command{
|
|
Name: "attach",
|
|
Usage: "Attach to the IO of a running container",
|
|
ArgsUsage: "CONTAINER",
|
|
Action: func(context *cli.Context) error {
|
|
client, ctx, cancel, err := commands.NewClient(context)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer cancel()
|
|
container, err := client.LoadContainer(ctx, context.Args().First())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
spec, err := container.Spec(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var (
|
|
con console.Console
|
|
tty = spec.Process.Terminal
|
|
)
|
|
if tty {
|
|
con = console.Current()
|
|
defer con.Reset()
|
|
if err := con.SetRaw(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
task, err := container.Task(ctx, cio.NewAttach(cio.WithStdio))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer task.Delete(ctx)
|
|
|
|
statusC, err := task.Wait(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if tty {
|
|
if err := HandleConsoleResize(ctx, task, con); err != nil {
|
|
log.L.WithError(err).Error("console resize")
|
|
}
|
|
} else {
|
|
sigc := commands.ForwardAllSignals(ctx, task)
|
|
defer commands.StopCatch(sigc)
|
|
}
|
|
|
|
ec := <-statusC
|
|
code, _, err := ec.Result()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if code != 0 {
|
|
return cli.NewExitError("", int(code))
|
|
}
|
|
return nil
|
|
},
|
|
}
|