Switch the Kibana dashboard to the public network

By default, the Kibana dashboard is now exposed on the public network.
To change this configuration, the deployer will have to assign the
'kibana' role to another network using Fuel netwowrk templates.

DocImpact

Change-Id: I32ee51d7d534dc6a2526f27ea21d7b97d2a8dfda

network_roles.yaml

@@ -12,10 +12,8 @@
            - "elasticsearch_kibana"
            - "primary-elasticsearch_kibana"
 # Network and virtual IP address for the Kibana service
-# TODO(pasquier-s): expose the Kibana service on this virtual IP address
-# instead of es_vip_mgmt
 - id: "kibana"
-  default_mapping: "management"
+  default_mapping: "public"
   properties:
     subnet: true
     gateway: false

node_roles.yaml

@@ -2,7 +2,8 @@ elasticsearch_kibana:
   name: 'Elasticsearch Kibana'
   description: 'Install Elasticsearch and Kibana'
   has_primary: true
-  public_ip_required: false
+  # A public IP address is required when Kibana is deployed on the public network
+  public_ip_required: true
   weight: 100
   limits:
     max: 5