From 4e7cec443ceb8aad0ff29b2b6bde4c3c049fcd16 Mon Sep 17 00:00:00 2001
From: Adam Cooke <me@adamcooke.io>
Date: Thu, 1 Jun 2017 14:41:27 +0100
Subject: [PATCH] ensure IP addresses are unique

fixes #165
---
 app/models/ip_address.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/models/ip_address.rb b/app/models/ip_address.rb
index c0be2bb..c1a4694 100644
--- a/app/models/ip_address.rb
+++ b/app/models/ip_address.rb
@@ -15,7 +15,8 @@ class IPAddress < ApplicationRecord
 
   belongs_to :ip_pool
 
-  validates :ipv4, :presence => true
+  validates :ipv4, :presence => true, :uniqueness => true
   validates :hostname, :presence => true
+  validates :ipv6, :uniqueness => {:allow_blank => true}
 
 end