command/exec: Fill ConsoleSize

This makes the exec'd process console dimensions immediately match the
users terminal.

Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
This commit is contained in:
Paweł Gronowski 2022-06-14 18:20:00 +02:00
parent bb5c3575b3
commit a141f1c267
1 changed files with 15 additions and 3 deletions

View File

@ -117,6 +117,8 @@ func RunExec(dockerCli command.Cli, options ExecOptions) error {
}
}
fillConsoleSize(execConfig, dockerCli)
response, err := client.ContainerExecCreate(ctx, options.Container, *execConfig)
if err != nil {
return err
@ -129,14 +131,22 @@ func RunExec(dockerCli command.Cli, options ExecOptions) error {
if execConfig.Detach {
execStartCheck := types.ExecStartCheck{
Detach: execConfig.Detach,
Tty: execConfig.Tty,
Detach: execConfig.Detach,
Tty: execConfig.Tty,
ConsoleSize: execConfig.ConsoleSize,
}
return client.ContainerExecStart(ctx, execID, execStartCheck)
}
return interactiveExec(ctx, dockerCli, execConfig, execID)
}
func fillConsoleSize(execConfig *types.ExecConfig, dockerCli command.Cli) {
if execConfig.Tty {
height, width := dockerCli.Out().GetTtySize()
execConfig.ConsoleSize = &[2]uint{height, width}
}
}
func interactiveExec(ctx context.Context, dockerCli command.Cli, execConfig *types.ExecConfig, execID string) error {
// Interactive exec requested.
var (
@ -157,10 +167,12 @@ func interactiveExec(ctx context.Context, dockerCli command.Cli, execConfig *typ
stderr = dockerCli.Err()
}
}
fillConsoleSize(execConfig, dockerCli)
client := dockerCli.Client()
execStartCheck := types.ExecStartCheck{
Tty: execConfig.Tty,
Tty: execConfig.Tty,
ConsoleSize: execConfig.ConsoleSize,
}
resp, err := client.ContainerExecAttach(ctx, execID, execStartCheck)
if err != nil {