From 7f55d3ba01ece0a71c2389650270c2c176830abe Mon Sep 17 00:00:00 2001
From: Evan Hazlett <ejhazlett@gmail.com>
Date: Fri, 10 Apr 2015 10:35:25 -0400
Subject: [PATCH] fix ssh key gen bug windows

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>
---
 ssh/keys.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/ssh/keys.go b/ssh/keys.go
index b27f2d0c4c..636a684b4b 100644
--- a/ssh/keys.go
+++ b/ssh/keys.go
@@ -11,6 +11,7 @@ import (
 	"fmt"
 	"io"
 	"os"
+	"runtime"
 
 	gossh "golang.org/x/crypto/ssh"
 )
@@ -79,8 +80,12 @@ func (kp *KeyPair) WriteToFile(privateKeyPath string, publicKeyPath string) erro
 			return ErrUnableToWriteFile
 		}
 
-		if err := f.Chmod(0600); err != nil {
-			return err
+		// windows does not support chmod
+		switch runtime.GOOS {
+		case "darwin", "linux":
+			if err := f.Chmod(0600); err != nil {
+				return err
+			}
 		}
 	}