Schema changes to route aggregation and routing policy

   1. Introduce route aggregate identifier.
   2. Link Routing instance and route aggregation
   3. Link Service instance and routing policy
   3. Link Service instance and route aggregation
Related-bug: #1500698

Change-Id: I6c0b5fdd137a4be620098a45d017a9be7f069f16

src/schema/bgp_schema.xsd

@@ -21,6 +21,22 @@
 <!--#IFMAP-SEMANTICS-IDL 
     Link('instance-target', 'routing-instance', 'route-target', ['ref']) -->
 
+<xsd:element name="route-aggregate" type="ifmap:IdentityType"/>
+
+<xsd:complexType name='AggregateRouteType'>
+    <xsd:element name='prefix' type='xsd:string'/>
+    <xsd:element name='nexthop' type='xsd:string'/>
+</xsd:complexType>
+
+<xsd:element name='aggregate-route' type='AggregateRouteType'/>
+<!--#IFMAP-SEMANTICS-IDL
+     Property('aggregate-route', 'route-aggregate') -->
+
+<xsd:element name="routing-instance-route-aggregate"/>
+<!--#IFMAP-SEMANTICS-IDL
+     Link('routing-instance-route-aggregate',
+          'routing-instance', 'route-aggregate', ['ref']) -->
+
 <xsd:complexType name="RoutingPolicyType">
     <xsd:annotation>
         <xsd:documentation>

src/schema/vnc_cfg.xsd

@@ -1490,6 +1490,16 @@ targetNamespace="http://www.contrailsystems.com/2012/VNC-CONFIG/0">
      Link('interface-route-table-service-instance',
           'interface-route-table', 'service-instance', ['ref']) -->
 
+<xsd:element name="routing-policy-service-instance" type="ServiceInterfaceTag"/>
+<!--#IFMAP-SEMANTICS-IDL
+     Link('routing-policy-service-instance',
+          'bgp:routing-policy', 'service-instance', ['ref']) -->
+
+<xsd:element name="route-aggregate-service-instance" type="ServiceInterfaceTag"/>
+<!--#IFMAP-SEMANTICS-IDL
+     Link('route-aggregate-service-instance',
+          'bgp:route-aggregate', 'service-instance', ['ref']) -->
+
 <!-- NEED TO DELETE THIS BEFORE RELEASE IN 3.0 BY PNF TEAM -->
 <xsd:complexType name='ServiceInstanceVirtualMachineInterfaceType'>
     <xsd:all>