From 2e3b6639fe7dd4fd2fce48c950a18f4366364df8 Mon Sep 17 00:00:00 2001
From: "Michal (inc0) Jastrzebski" <inc007@gmail.com>
Date: Tue, 20 Jun 2017 13:23:44 -0700
Subject: [PATCH] Fix baremetal role idempotency

When you add new nodes to existing cluster, docker will restart
all anyway and that will break a lot, including mariadb.

Change-Id: Ie46f99a141f99480a87218ead4b76ba65f2edae9
Closes-Bug: #1699335
---
 ansible/roles/baremetal/tasks/post-install.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ansible/roles/baremetal/tasks/post-install.yml b/ansible/roles/baremetal/tasks/post-install.yml
index 0874a76d21..d85f583445 100644
--- a/ansible/roles/baremetal/tasks/post-install.yml
+++ b/ansible/roles/baremetal/tasks/post-install.yml
@@ -15,6 +15,7 @@
     dest=/etc/systemd/system/docker.service.d/kolla.conf
   when: (ansible_distribution == "Ubuntu" and ansible_distribution_major_version > "14") or
         (ansible_os_family == "RedHat") or (ansible_distribution == "Debian")
+  register: docker_configured
 
 - name: Reload docker service file
   become: True
@@ -70,6 +71,7 @@
     name: docker
     state: restarted
   become: True
+  when: docker_configured.changed
 
 - name: Enable docker
   service: