From 8a4fd50fb71059fc58b39a2535348ee21a6c9aff Mon Sep 17 00:00:00 2001
From: Genti Topija <genti.topija@banzai.it>
Date: Thu, 15 Dec 2016 13:11:19 +0100
Subject: [PATCH] Fix Flannel network on CoreOS

Resolves: #748
---
 .../network_plugin/flannel/templates/flannel-options.conf.j2  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/roles/network_plugin/flannel/templates/flannel-options.conf.j2 b/roles/network_plugin/flannel/templates/flannel-options.conf.j2
index 62dcb1e41..e7758736c 100644
--- a/roles/network_plugin/flannel/templates/flannel-options.conf.j2
+++ b/roles/network_plugin/flannel/templates/flannel-options.conf.j2
@@ -1,2 +1,6 @@
 [Service]
+{% if ansible_os_family == "CoreOS" %}
+Environment="DOCKER_OPT_BIP=--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }}"
+{% else %}
 Environment="DOCKER_NETWORK_OPTIONS=--bip={{ flannel_subnet }} --mtu={{ flannel_mtu }}"
+{% endif %}