Fail fast if driver is not running

When waiting for SHS server, check if driver is running after errors. If
the driver state is not "running" fail quickly with a clear error.

Author: nirs

pkg/drivers/common/ssh.go

@@ -17,13 +17,15 @@ limitations under the License.
 package common
 
 import (
+	"fmt"
 	"io"
 	"net"
 	"strconv"
 	"time"
 
 	"github.com/docker/machine/libmachine/drivers"
 	"github.com/docker/machine/libmachine/log"
+	"github.com/docker/machine/libmachine/state"
 )
 
 var (
@@ -49,15 +51,21 @@ func WaitForSSHAccess(d drivers.Driver) error {
 		log.Debugf("Dialing to %q", addr)
 		conn, err := net.Dial("tcp", addr)
 		if err != nil {
-			log.Debugf("Failed to dial, retrying in 1 second: %v", err)
+			log.Debugf("Failed to dial: %v", err)
+			if ds, err := d.GetState(); ds != state.Running {
+				return fmt.Errorf("Driver is %v: %w", ds, err)
+			}
 			time.Sleep(retryDelay)
 			continue
 		}
 
 		defer conn.Close()
 		log.Debugf("Reading from SSH server %q", addr)
 		if _, err := conn.Read(make([]byte, 1)); err != nil && err != io.EOF {
-			log.Debugf("Failed to read from SSH server: %v: retrying in 1 second", err)
+			log.Debugf("Failed to read from SSH server: %v", err)
+			if ds, err := d.GetState(); ds != state.Running {
+				return fmt.Errorf("Driver is %v: %w", ds, err)
+			}
 			time.Sleep(retryDelay)
 			continue
 		}