From a735b889834a829ba5f8bf82b72df75861b4bced Mon Sep 17 00:00:00 2001
From: Sean Kelly <code@katron.org>
Date: Tue, 26 May 2015 21:52:20 -0500
Subject: [PATCH] Request spot instances

The max price is set to $0.05. In us-west-1, one region consistently has
a price of around $0.032 for m3.xlarge.
---
 master/master.cfg | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/master/master.cfg b/master/master.cfg
index 5767609..55671c4 100644
--- a/master/master.cfg
+++ b/master/master.cfg
@@ -308,6 +308,8 @@ for line in open("slave-list.txt"):
 					build_wait_timeout=build_wait_timeout,
                                         # notify_on_missing=['admin@rust-lang.org'],
                                         max_builds=int(ext['max_builds']),
+                                        spot_instance=True,
+                                        max_spot_price=0.05,
                                         tags = { 'Name': env + "-slave-" + name })
         else:
             slave = BuildSlave(name, pw, max_builds=int(ext['max_builds']))