Files
docker-machine/libmachine/provision/redhat_ssh_commander.go
Nathan LeClaire 19973f2b1b Fix golint errors
Signed-off-by: Nathan LeClaire <nathan.leclaire@gmail.com>
2016-11-15 17:14:17 -08:00

46 lines
1.1 KiB
Go

package provision
import (
"fmt"
"github.com/docker/machine/libmachine/drivers"
"github.com/docker/machine/libmachine/log"
"github.com/docker/machine/libmachine/ssh"
)
type RedHatSSHCommander struct {
Driver drivers.Driver
}
func (sshCmder RedHatSSHCommander) SSHCommand(args string) (string, error) {
client, err := drivers.GetSSHClientFromDriver(sshCmder.Driver)
if err != nil {
return "", err
}
log.Debugf("About to run SSH command:\n%s", args)
// redhat needs "-t" for tty allocation on ssh therefore we check for the
// external client and add as needed.
// Note: CentOS 7.0 needs multiple "-tt" to force tty allocation when ssh has
// no local tty.
var output string
switch c := client.(type) {
case *ssh.ExternalClient:
c.BaseArgs = append(c.BaseArgs, "-tt")
output, err = c.Output(args)
case *ssh.NativeClient:
output, err = c.OutputWithPty(args)
}
log.Debugf("SSH cmd err, output: %v: %s", err, output)
if err != nil {
return "", fmt.Errorf(`something went wrong running an SSH command
command : %s
err : %v
output : %s`, args, err, output)
}
return output, nil
}