Provision another network and VIP for Kibana

Note that the change doesn't modify the configuration of HAProxy to
use the new virtual IP address. This will be addressed in another
review.

Change-Id: I84ef6e24402fe2dff2334c92986be5935e4fdc3c

network_roles.yaml

@@ -1,3 +1,4 @@
+# Network and virtual IP address for the Elasticsearch service
 - id: "elasticsearch"
   default_mapping: "management"
   properties:
@@ -10,3 +11,18 @@
          node_roles:
            - "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"
+  properties:
+    subnet: true
+    gateway: false
+    vip:
+       - name: "kibana"
+         namespace: "haproxy"
+         alias: "kibana"
+         node_roles:
+           - "elasticsearch_kibana"
+           - "primary-elasticsearch_kibana"