예제 #1
0
파일: update.go 프로젝트: pulcy/gluon
func runRemoteCommand(member service.ClusterMember, userName string, log *logging.Logger, command, stdin string, quiet bool) (string, error) {
	hostAddress := member.ClusterIP
	cmd := exec.Command("ssh", "-o", "UserKnownHostsFile=/dev/null", "-o", "StrictHostKeyChecking=no", userName+"@"+hostAddress, command)
	var stdOut, stdErr bytes.Buffer
	cmd.Stdout = &stdOut
	cmd.Stderr = &stdErr

	if stdin != "" {
		cmd.Stdin = strings.NewReader(stdin)
	}

	if err := cmd.Run(); err != nil {
		if !quiet {
			log.Errorf("SSH failed: %s %s", cmd.Path, strings.Join(cmd.Args, " "))
		}
		return "", errgo.NoteMask(err, stdErr.String())
	}

	out := stdOut.String()
	out = strings.TrimSuffix(out, "\n")
	return out, nil
}