Be sure to reload when checking for a started spot instance, also add private/public key options into spot_requests, then set those on the server when loaded

lib/fog/aws/models/compute/spot_request.rb

@@ -31,6 +31,8 @@ module Fog
         attribute :tags,                       :aliases => 'tagSet'
         attribute :fault,                      :squash  => 'message'
         attribute :user_data
+        
+        attr_writer   :private_key, :private_key_path, :public_key, :public_key_path
 
         attr_writer :username
 
@@ -71,6 +73,24 @@ module Fog
         def key_pair=(new_keypair)
           self.key_name = new_keypair && new_keypair.name
         end
+        
+        def private_key_path
+          @private_key_path ||= Fog.credentials[:private_key_path]
+          @private_key_path &&= File.expand_path(@private_key_path)
+        end
+
+        def private_key
+          @private_key ||= private_key_path && File.read(private_key_path)
+        end
+
+        def public_key_path
+          @public_key_path ||= Fog.credentials[:public_key_path]
+          @public_key_path &&= File.expand_path(@public_key_path)
+        end
+
+        def public_key
+          @public_key ||= public_key_path && File.read(public_key_path)
+        end
 
         def ready?
           state == 'active'

lib/fog/aws/models/compute/spot_requests.rb

@@ -62,7 +62,7 @@ module Fog
 
           spot_request.save
           spot_request.wait_for { ready? }
-          Fog.wait_for { server = connection.servers.get(spot_request.instance_id) }
+          Fog.wait_for { server = connection.servers.get(spot_request.reload.instance_id) }
           server = connection.servers.get(spot_request.instance_id)
           if spot_request.tags
             for key, value in spot_request.tags
@@ -74,7 +74,7 @@ module Fog
             end
           end
           server.wait_for { ready? }
-          server.setup(:key_data => [server.private_key])
+          server.setup(:key_data => [spot_request.private_key])
           server
         end