patch to ssh keypair for littlechef

gistfile1.diff

--- a/littlechef.py
+++ b/littlechef.py
@@ -49,6 +49,7 @@ def new_deployment():
             print >>authfh, "[userinfo]"
             print >>authfh, "user = "
             print >>authfh, "password = "
+            print >>authfh, "keypair-file = "
             print "auth.cfg file created..."
 
 @hosts('setup')
@@ -219,9 +220,14 @@ def _readconfig():
                 raise ValueError
         except (ConfigParser.NoOptionError, ValueError):
             abort('You need to define a valid user in auth.cfg')
+
         env.password = config.get('userinfo', 'password')
-    except ConfigParser.NoSectionError:
-        msg = 'You need to define a user and password in the "userinfo" section'
+       env.key_filename = config.get('userinfo','keypair-file')
+        if not env.password and  not env.key_filename:
+                raise ValueError
+    except (ConfigParser.NoSectionError, ValueError):
+       
+        msg = 'You need to define a user and password or path-to-keypair in the "userinfo" section'
         msg += ' of auth.cfg. Refer to the README for help'
         msg += ' (http://github.com/tobami/littlechef)'
         abort(msg)