From 93b8da04376d147703812fd39880096531672d1f Mon Sep 17 00:00:00 2001
From: Terry Cain <terry@terrys-home.co.uk>
Date: Wed, 4 Oct 2017 01:21:30 +0100
Subject: [PATCH] Use long format for EC2 instance ID

---
 moto/ec2/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/moto/ec2/utils.py b/moto/ec2/utils.py
index ab54ea3a8..32122c763 100644
--- a/moto/ec2/utils.py
+++ b/moto/ec2/utils.py
@@ -51,7 +51,7 @@ def random_ami_id():
 
 
 def random_instance_id():
-    return random_id(prefix=EC2_RESOURCE_TO_PREFIX['instance'])
+    return random_id(prefix=EC2_RESOURCE_TO_PREFIX['instance'], size=17)
 
 
 def random_reservation_id():