From bd5b65d3429e9ac3da21ec18bbffe98d1922afa7 Mon Sep 17 00:00:00 2001
From: Mark Goddard <mark@stackhpc.com>
Date: Wed, 15 Mar 2017 09:44:29 +0000
Subject: [PATCH] Allocate IPs in serial to prevent allocation race conditions

---
 ansible/ip-allocation.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ansible/ip-allocation.yml b/ansible/ip-allocation.yml
index 98b9fd331..167c59b34 100644
--- a/ansible/ip-allocation.yml
+++ b/ansible/ip-allocation.yml
@@ -24,3 +24,5 @@
     - role: ip-allocation
       ip_allocation_filename: "{{ kayobe_config_path }}/network-allocation.yml"
       ip_allocation_hostname: "{{ inventory_hostname }}"
+      # Use serial=1 to avoid races between allocations for different hosts.
+      serial: 1