Extending L3VPN model to configure BGP peerings

This patchset extends the existing L3VPN model with additional
objects which allow to configure BGP peerings between SDN controllers
or data center gateways.

Change-Id: Id4d8e572f75e7246e9fa7006c792df31b13cea2f
Signed-off-by: Georg Kunz <georg.kunz@ericsson.com>

gluon/models/net-l3vpn/api.yaml

@@ -94,4 +94,54 @@ objects:
       export_route_policy:
         type: string
         length: 32
-        description: "Route target export policy"
+        description: "Route target export policy"
+  BGPPeering:
+    api:
+      name: bgppeering
+      plural_name: bgppeerings
+    extends: BaseObject
+    attributes:
+      local_ip_address:
+        required: true
+        type: string
+        format: ipv4
+        length: 16
+        description: "Local IP of the SDN controller which is supposed to
+                      create a new BGP peering with a remote SDN controller
+                      or data center gateway. This local IP is used as a
+                      unique identifier to allow the SDN controllers / shim
+                      layers  to determine if a new peering which has been
+                      pushed to etcd is meant for them."
+      peer_ip_address:
+        required: true
+        type: string
+        format: ipv4
+        length: 16
+        description: "IP of the BGP neighbor to establish a peering with."
+      as_number:
+        required: true
+        type: integer
+        format: int32
+        description: "Autonomous system number used by the local BGP stack."
+  DataplaneTunnel:
+    api:
+      name: dataplanetunnel
+      plural_name: dataplanetunnels
+    extends: BaseObject
+    attributes:
+      local_tunnel_endpoint:
+        required: true
+        type: string
+        format: ipv4
+        length: 16
+        description: "Local tunnel endpoint IP. This IP is used as a unique
+                      identifier to allow the SDN controller / shim layer to
+                      determine if this dataplane tunnel is supposed to be
+                      handled by them."
+      remote_tunnel_endpoint:
+        required: true
+        type: string
+        format: ipv4
+        length: 16
+        description: "Remote tunnel endpoint IP of the virtual switch or data
+                      center gateway."