lib/fog/compute/models/slicehost/server.rb in fog-0.4.1 vs lib/fog/compute/models/slicehost/server.rb in fog-0.5.0

@@ -92,11 +92,14 @@
           sleep(1)
           retry
         end
 
         def ssh(commands)
-          requires :addresses, :identity, :private_key, :username
-          Fog::SSH.new(addresses.first, username, :key_data => [private_key]).run(commands)
+          requires :addresses, :identity, :username
+
+          options = {}
+          options[:key_data] = [private_key] if private_key
+          Fog::SSH.new(addresses.first, username, options).run(commands)
         end
 
         def username
           @username ||= 'root'
         end