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moby--moby/daemon/execdriver/termconsole.go
Qiang Huang 3d17c3bb66 Fix golint warnings for daemon/execdriver/*
Addresses: #14756

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
2015-07-28 08:43:22 +08:00

51 lines
1 KiB
Go

package execdriver
import (
"io"
"os/exec"
)
// StdConsole defines standard console operations for execdriver
type StdConsole struct {
}
// NewStdConsole returns a new StdConsole struct
func NewStdConsole(processConfig *ProcessConfig, pipes *Pipes) (*StdConsole, error) {
std := &StdConsole{}
if err := std.AttachPipes(&processConfig.Cmd, pipes); err != nil {
return nil, err
}
return std, nil
}
// AttachPipes attaches given pipes to exec.Cmd
func (s *StdConsole) AttachPipes(command *exec.Cmd, pipes *Pipes) error {
command.Stdout = pipes.Stdout
command.Stderr = pipes.Stderr
if pipes.Stdin != nil {
stdin, err := command.StdinPipe()
if err != nil {
return err
}
go func() {
defer stdin.Close()
io.Copy(stdin, pipes.Stdin)
}()
}
return nil
}
// Resize implements Resize method of Terminal interface
func (s *StdConsole) Resize(h, w int) error {
// we do not need to reside a non tty
return nil
}
// Close implements Close method of Terminal interface
func (s *StdConsole) Close() error {
// nothing to close here
return nil
}