Minigraph resource type changes (#5198)

* Parse sub_role from minigraph into DEVICE_METADATA
* Change minigraph sub_role to resource_type

Author: anish-n

src/sonic-config-engine/minigraph.py

@@ -615,6 +615,7 @@ def parse_meta(meta, hname):
     cloudtype = None
     downstream_subrole = None
     qos_profile = None
+    resource_type = None
     device_metas = meta.find(str(QName(ns, "Devices")))
     for device in device_metas.findall(str(QName(ns1, "DeviceMetadata"))):
         if device.find(str(QName(ns1, "Name"))).text.lower() == hname.lower():
@@ -645,7 +646,9 @@ def parse_meta(meta, hname):
                     downstream_subrole = value
                 elif name == "SonicQosProfile":
                     qos_profile = value
-    return syslog_servers, dhcp_servers, ntp_servers, tacacs_servers, mgmt_routes, erspan_dst, deployment_id, region, cloudtype, downstream_subrole, qos_profile
+                elif name == "ResourceType":
+                    resource_type = value
+    return syslog_servers, dhcp_servers, ntp_servers, tacacs_servers, mgmt_routes, erspan_dst, deployment_id, region, cloudtype, downstream_subrole, qos_profile, resource_type
 
 
 def parse_linkmeta(meta, hname):
@@ -924,6 +927,7 @@ def parse_xml(filename, platform=None, port_config_file=None, asic_name=None):
     devices = None
     sub_role = None
     downstream_subrole = None
+    resource_type = None
     docker_routing_config_mode = "separated"
     port_speeds_default = {}
     port_speed_png = {}
@@ -981,7 +985,7 @@ def parse_xml(filename, platform=None, port_config_file=None, asic_name=None):
             elif child.tag == str(QName(ns, "UngDec")):
                 (u_neighbors, u_devices, _, _, _, _, _, _) = parse_png(child, hostname)
             elif child.tag == str(QName(ns, "MetadataDeclaration")):
-                (syslog_servers, dhcp_servers, ntp_servers, tacacs_servers, mgmt_routes, erspan_dst, deployment_id, region, cloudtype, downstream_subrole, qos_profile) = parse_meta(child, hostname)
+                (syslog_servers, dhcp_servers, ntp_servers, tacacs_servers, mgmt_routes, erspan_dst, deployment_id, region, cloudtype, downstream_subrole, qos_profile, resource_type) = parse_meta(child, hostname)
             elif child.tag == str(QName(ns, "LinkMetadataDeclaration")):
                 linkmetas = parse_linkmeta(child, hostname)
             elif child.tag == str(QName(ns, "DeviceInfos")):
@@ -1033,6 +1037,8 @@ def parse_xml(filename, platform=None, port_config_file=None, asic_name=None):
 
     if downstream_subrole is not None:
         results['DEVICE_METADATA']['localhost']['downstream_subrole'] = downstream_subrole
+    if resource_type is not None:
+        results['DEVICE_METADATA']['localhost']['resource_type'] = resource_type
 
     results['BGP_NEIGHBOR'] = bgp_sessions
     results['BGP_MONITORS'] = bgp_monitors

src/sonic-config-engine/tests/simple-sample-graph-metadata.xml

@@ -257,6 +257,9 @@
      <a:Name>DownStreamSubRole</a:Name>
      <a:Reference i:nil="true"/>
      <a:Value>downstream_subrole_y</a:Value>
+     <a:Name>ResourceType</a:Name>
+     <a:Reference i:nil="true"/>
+     <a:Value>resource_type_x</a:Value>
     </a:DeviceProperty>
   </a:Properties>
   </a:DeviceMetadata>

src/sonic-config-engine/tests/test_cfggen.py

@@ -82,6 +82,11 @@ def test_minigraph_downstream_subrole(self):
         argument = '-v "DEVICE_METADATA[\'localhost\'][\'downstream_subrole\']" -m "' + self.sample_graph_metadata + '"'
         output = self.run_script(argument)
         self.assertEqual(output.strip(), 'downstream_subrole_y')
+    
+    def test_minigraph_resourcetype(self):
+        argument = '-v "DEVICE_METADATA[\'localhost\'][\'resource_type\']" -m "' + self.sample_graph_metadata + '"'
+        output = self.run_script(argument)
+        self.assertEqual(output.strip(), 'resource_type_x')
 
     def test_print_data(self):
         argument = '-m "' + self.sample_graph + '" --print-data'