From 2c77de3d3e9d142b076c69bbfa64f31c28d95d71 Mon Sep 17 00:00:00 2001
From: Nat Welch <nat@natwelch.com>
Date: Wed, 26 Jun 2013 23:03:59 -0700
Subject: [PATCH] metadata could be nil

---
 lib/fog/google/models/compute/server.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/fog/google/models/compute/server.rb b/lib/fog/google/models/compute/server.rb
index b1c06fed7..950ca7449 100644
--- a/lib/fog/google/models/compute/server.rb
+++ b/lib/fog/google/models/compute/server.rb
@@ -64,6 +64,10 @@ module Fog
           requires :machine_type
           requires :zone_name
 
+          if metadata.nil?
+            metadata = {}
+          end
+
           metadata.merge!({
             "sshKeys" => "#{username}:#{File.read(public_key_path).strip}"
           }) if :public_key_path