From 4602dd69acecba0c4598c980502f12308a579d17 Mon Sep 17 00:00:00 2001
From: Andrew Leonard <andy@hurricane-ridge.com>
Date: Wed, 11 Dec 2013 06:46:21 -0800
Subject: [PATCH] Add exponential backoff to backoff_if_unfound.

---
 lib/fog/google/compute.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/fog/google/compute.rb b/lib/fog/google/compute.rb
index 2b2ecb5e4..f47945017 100644
--- a/lib/fog/google/compute.rb
+++ b/lib/fog/google/compute.rb
@@ -99,12 +99,14 @@ module Fog
 
         def backoff_if_unfound(&block)
           retries_remaining = 10
+          sleep_time = 0.1
           begin
             result = block.call
           rescue Exception => msg
             if msg.to_s.include? 'was not found' and retries_remaining > 0
               retries_remaining -= 1
-              sleep 0.1
+              sleep sleep_time
+              sleep_time *= 1.6
               retry
             else
               raise msg