From 0f8516e0bc1839d1866d444583e97ce4a73e3c98 Mon Sep 17 00:00:00 2001
From: Rob Vermaas <rob.vermaas@gmail.com>
Date: Fri, 15 Nov 2013 13:56:11 +0100
Subject: [PATCH] Allow i2 instances to be used (hvm).

---
 nix/ec2.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/nix/ec2.nix b/nix/ec2.nix
index 9c62a6d73..2620936c4 100644
--- a/nix/ec2.nix
+++ b/nix/ec2.nix
@@ -117,7 +117,10 @@ let
       cfg.instanceType == "cc1.4xlarge"
    || cfg.instanceType == "cc2.8xlarge"
    || cfg.instanceType == "hs1.8xlarge"
-   || cfg.instanceType == "cr1.8xlarge";
+   || cfg.instanceType == "cr1.8xlarge"
+   || builtins.substring 0 2 cfg.instanceType == "i2"
+   || builtins.substring 0 2 cfg.instanceType == "c3"
+   || builtins.substring 0 2 cfg.instanceType == "m3";
 
   # Map "/dev/mapper/xvdX" to "/dev/xvdX".
   dmToDevice = dev: