Resolve "(TID) Add interface information to network instance"

Closes #142 (closed)

src/device/service/drivers/openconfig/templates/NetworkInstances.py

@@ -23,6 +23,8 @@ XPATH_NETWORK_INSTANCES = "//ocni:network-instances/ocni:network-instance"
 XPATH_NI_PROTOCOLS      = ".//ocni:protocols/ocni:protocol"
 XPATH_NI_TABLE_CONNECTS = ".//ocni:table-connections/ocni:table-connection"
 
+XPATH_NI_INTERFACE      = ".//ocni:interfaces/ocni:interface"
+
 XPATH_NI_IIP_AP         = ".//ocni:inter-instance-policies/ocni:apply-policy"
 XPATH_NI_IIP_AP_IMPORT  = ".//ocni:config/ocni:import-policy"
 XPATH_NI_IIP_AP_EXPORT  = ".//ocni:config/ocni:export-policy"
@@ -136,6 +138,21 @@ def parse(xml_data : ET.Element) -> List[Tuple[str, Dict[str, Any]]]:
                 table_connection['address_family'])
             response.append((resource_key, table_connection))
 
+        for xml_interface in xml_network_instance.xpath(XPATH_NI_INTERFACE, namespaces=NAMESPACES):
+            LOGGER.info('xml_interfaces = {:s}'.format(str(ET.tostring(xml_interface))))
+
+            interface = {}
+            name_iface = xml_interface.find('ocni:config/ocni:interface', namespaces=NAMESPACES)
+            if name_iface is None or name_iface.text is None: continue
+            add_value_from_tag(interface, 'name_iface', name_iface)
+            
+            name_subiface = xml_interface.find('ocni:config/ocni:subinterface', namespaces=NAMESPACES)
+            add_value_from_tag(interface, 'name_subiface', name_subiface)
+            
+            resource_key = '/network_instance[{:s}]/interface[{:s}]'.format(
+                network_instance['name'], interface['name_iface'])
+            response.append((resource_key, interface))
+
         for xml_iip_ap in xml_network_instance.xpath(XPATH_NI_IIP_AP, namespaces=NAMESPACES):
             #LOGGER.info('xml_iip_ap = {:s}'.format(str(ET.tostring(xml_iip_ap))))