From cf70bf23a5472027b4866bba5f17b6acb0e92b1b Mon Sep 17 00:00:00 2001
From: Jeffrey Zhang <zhang.lei.fly@gmail.com>
Date: Mon, 8 Oct 2018 11:27:38 +0800
Subject: [PATCH] Configure coordination in default for cinder when redis is
 enabled

Coordination is required for active-active cinder volume.

Change-Id: I9b26831fd951a24c483840a55824fae06ccbbf81
Closes-Bug: #1796615
---
 ansible/roles/cinder/templates/cinder.conf.j2 | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ansible/roles/cinder/templates/cinder.conf.j2 b/ansible/roles/cinder/templates/cinder.conf.j2
index 3f91806dc4..99769247ca 100644
--- a/ansible/roles/cinder/templates/cinder.conf.j2
+++ b/ansible/roles/cinder/templates/cinder.conf.j2
@@ -212,3 +212,11 @@ connection_string = {{ osprofiler_backend_connection_string }}
 [barbican]
 auth_endpoint = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}
 {% endif %}
+
+[coordination]
+{% if enable_redis | bool %}
+backend_url = redis://{% for host in groups['redis'] %}{% if host == groups['redis'][0] %}admin:{{ redis_master_password }}@{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ redis_sentinel_port }}?sentinel=kolla{% else %}&sentinel_fallback={{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}:{{ redis_sentinel_port }}{% endif %}{% endfor %}&socket_timeout=60&retry_on_timeout=yes
+{% elif enable_etcd | bool %}
+# NOTE(jeffrey4l): python-etcd3 module do not support multi endpoint here.
+backend_url = etcd3://{{ hostvars[groups['etcd'][0]]['ansible_' + hostvars[groups['etcd'][0]]['api_interface']]['ipv4']['address'] }}:{{ etcd_client_port }}
+{% endif %}