From 4ef83afdfdf4bf687b64ffb11dd1294ef7f84bf7 Mon Sep 17 00:00:00 2001
From: Scott Dodson <sdodson@redhat.com>
Date: Wed, 31 May 2017 15:25:41 -0400
Subject: Add mtu setting to /etc/sysconfig/docker-network

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1457062
---
 roles/docker/tasks/package_docker.yml | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'roles/docker')

diff --git a/roles/docker/tasks/package_docker.yml b/roles/docker/tasks/package_docker.yml
index e101730d2..c82d8659a 100644
--- a/roles/docker/tasks/package_docker.yml
+++ b/roles/docker/tasks/package_docker.yml
@@ -102,6 +102,21 @@
   notify:
   - restart docker
 
+- stat: path=/etc/sysconfig/docker-network
+  register: sysconfig_docker_network_check
+
+- name: Configure Docker Network OPTIONS
+  lineinfile:
+    dest: /etc/sysconfig/docker-network
+    regexp: '^DOCKER_NETWORK_OPTIONS=.*$'
+    line: "DOCKER_NETWORK_OPTIONS='\
+      {% if openshift.node is defined and openshift.node.sdn_mtu is defined %} --mtu={{ openshift.node.sdn_mtu }}{% endif %}'"
+  when:
+  - sysconfig_docker_network_check.stat.isreg is defined
+  - sysconfig_docker_network_check.stat.isreg
+  notify:
+  - restart docker
+
 - name: Start the Docker service
   systemd:
     name: docker
-- 
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