Centralize setting internal_protocol

Internal Openstack APIs may be encrypted with https. This patch
centralize setting internal API protocol among services by
setting one of depending if cluster or single models are used:
  cluster_internal_protocol: 'https'
  internal_protocol: 'https'

Change-Id: I2baff79cd5851678559d7de47460fdd2031f70ee
diff --git a/cinder/control/cluster.yml b/cinder/control/cluster.yml
index c130e97..1110c63 100644
--- a/cinder/control/cluster.yml
+++ b/cinder/control/cluster.yml
@@ -4,13 +4,15 @@
 - service.keepalived.cluster.single
 - system.haproxy.proxy.listen.openstack.cinder
 parameters:
+  _param:
+    cluster_internal_protocol: 'http'
   linux:
     system:
       package:
         python-pymysql:
           fromrepo: ${_param:openstack_version}
           version: latest
-  cinder:      
+  cinder:
     volume:
       enabled: false
       default_volume_type: ""
@@ -40,9 +42,11 @@
         tenant: service
         user: cinder
         password: ${_param:keystone_cinder_password}
+        protocol: ${_param:cluster_internal_protocol}
       glance:
         host: ${_param:cluster_vip_address}
         port: 9292
+        protocol: ${_param:cluster_internal_protocol}
       message_queue:
         engine: rabbitmq
         members:
diff --git a/cinder/control/single.yml b/cinder/control/single.yml
index 2d7f179..66aea6d 100644
--- a/cinder/control/single.yml
+++ b/cinder/control/single.yml
@@ -1,6 +1,8 @@
 classes:
 - service.cinder.control.single
 parameters:
+  _param:
+    internal_protocol: 'http'
   linux:
     system:
       package:
@@ -15,4 +17,6 @@
       default_volume_type: ''
       database:
         host: ${_param:single_address}
+      identity:
+        protocol: ${_param:internal_protocol}
 
diff --git a/cinder/volume/single.yml b/cinder/volume/single.yml
index de468ba..1b9948d 100644
--- a/cinder/volume/single.yml
+++ b/cinder/volume/single.yml
@@ -1,6 +1,8 @@
 classes:
 - service.cinder.volume.single
 parameters:
+  _param:
+    cluster_internal_protocol: 'http'
   linux:
     system:
       package:
@@ -21,3 +23,4 @@
           - host: ${_param:openstack_message_queue_node03_address}
       identity:
         host: ${_param:openstack_control_address}
+        protocol: ${_param:cluster_internal_protocol}