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package shell_local
import (
"fmt"
"io"
"os"
"os/exec"
"syscall"
"github.com/mitchellh/packer/packer"
)
type Communicator struct{}
func (c *Communicator) Start(cmd *packer.RemoteCmd) error {
localCmd := exec.Command("sh", "-c", cmd.Command)
localCmd.Stdin = cmd.Stdin
localCmd.Stdout = cmd.Stdout
localCmd.Stderr = cmd.Stderr
// Start it. If it doesn't work, then error right away.
if err := localCmd.Start(); err != nil {
return err
}
// We've started successfully. Start a goroutine to wait for
// it to complete and track exit status.
go func() {
var exitStatus int
err := localCmd.Wait()
if err != nil {
if exitErr, ok := err.(*exec.ExitError); ok {
exitStatus = 1
// There is no process-independent way to get the REAL
// exit status so we just try to go deeper.
if status, ok := exitErr.Sys().(syscall.WaitStatus); ok {
exitStatus = status.ExitStatus()
}
}
}
cmd.SetExited(exitStatus)
}()
return nil
}
func (c *Communicator) Upload(string, io.Reader, *os.FileInfo) error {
return fmt.Errorf("upload not supported")
}
func (c *Communicator) UploadDir(string, string, []string) error {
return fmt.Errorf("uploadDir not supported")
}
func (c *Communicator) Download(string, io.Writer) error {
return fmt.Errorf("download not supported")
}
func (c *Communicator) DownloadDir(src string, dst string, exclude []string) error {
return fmt.Errorf("downloadDir not supported")
}
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