Add openstack_node_role parameter

Add openstack_node_role parameter that will specify node role
primary|secondary. This metadata will be used by formulas as a
trigger to run one-shot operations.

Change-Id: I230590bc5f9d53960c6edaf7e37c44541d9c3342
Related-Prod: PROD-21267
diff --git a/manila/control/cluster.yml b/manila/control/cluster.yml
index ff6ca10..7ea128b 100644
--- a/manila/control/cluster.yml
+++ b/manila/control/cluster.yml
@@ -10,6 +10,7 @@
     api:
       enabled: true
       version: ${_param:openstack_version}
+      role: ${_param:openstack_node_role}
     scheduler:
       enabled: true
       version: ${_param:openstack_version}
diff --git a/manila/control/single.yml b/manila/control/single.yml
index 3e14e96..262a158 100644
--- a/manila/control/single.yml
+++ b/manila/control/single.yml
@@ -9,6 +9,7 @@
     api:
       enabled: true
       version: ${_param:openstack_version}
+      role: ${_param:openstack_node_role}
     scheduler:
       enabled: true
       version: ${_param:openstack_version}