Added support to parse "AssociatedSliceStr" attribute of minigraph and

save as `slice_type` as part of DEVICE_METADATA

Signed-off-by: Abhishek Dosi <abdosi@microsoft.com>

Author: abdosi

src/sonic-config-engine/minigraph.py

@@ -470,6 +470,7 @@ def parse_device(device):
     deployment_id = None
     cluster = None
     d_subtype = None
+    slice_type = None
 
     for node in device:
         if node.tag == str(QName(ns, "Address")):
@@ -492,11 +493,13 @@ def parse_device(device):
             cluster = node.text
         elif node.tag == str(QName(ns, "SubType")):
             d_subtype = node.text
+        elif node.tag == str(QName(ns, "AssociatedSliceStr")) and node.text and "AZNG_Production" in node.text:
+            slice_type = "AZNG_Production"
 
     if d_type is None and str(QName(ns3, "type")) in device.attrib:
         d_type = device.attrib[str(QName(ns3, "type"))]
 
-    return (lo_prefix, lo_prefix_v6, mgmt_prefix, mgmt_prefix_v6, name, hwsku, d_type, deployment_id, cluster, d_subtype)
+    return (lo_prefix, lo_prefix_v6, mgmt_prefix, mgmt_prefix_v6, name, hwsku, d_type, deployment_id, cluster, d_subtype, slice_type)
 
 
 def calculate_lcm_for_ecmp (nhdevices_bank_map, nhip_bank_map):
@@ -634,7 +637,8 @@ def parse_png(png, hname, dpg_ecmp_content = None):
 
         if child.tag == str(QName(ns, "Devices")):
             for device in child.findall(str(QName(ns, "Device"))):
-                (lo_prefix, lo_prefix_v6, mgmt_prefix, mgmt_prefix_v6, name, hwsku, d_type, deployment_id, cluster, d_subtype) = parse_device(device)
+                (lo_prefix, lo_prefix_v6, mgmt_prefix, mgmt_prefix_v6, name, hwsku, d_type, deployment_id, cluster, d_subtype, slice_type) = \
+                                        parse_device(device)
                 device_data = {}
                 if hwsku != None:
                     device_data['hwsku'] = hwsku
@@ -654,6 +658,8 @@ def parse_png(png, hname, dpg_ecmp_content = None):
                     device_data['type'] = d_type
                 if d_subtype != None:
                     device_data['subtype'] = d_subtype
+                if slice_type != None:
+                    device_data['slice_type'] = slice_type
                 devices[name] = device_data
 
         if child.tag == str(QName(ns, "DeviceInterfaceLinks")):
@@ -775,7 +781,7 @@ def parse_asic_png(png, asic_name, hostname):
 
         if child.tag == str(QName(ns, "Devices")):
             for device in child.findall(str(QName(ns, "Device"))):
-                (lo_prefix, lo_prefix_v6, mgmt_prefix, mgmt_prefix_v6, name, hwsku, d_type, deployment_id, cluster, _) = parse_device(device)
+                (lo_prefix, lo_prefix_v6, mgmt_prefix, mgmt_prefix_v6, name, hwsku, d_type, deployment_id, cluster, _, slice_type) = parse_device(device)
                 device_data = {}
                 if hwsku != None:
                     device_data['hwsku'] = hwsku
@@ -793,6 +799,8 @@ def parse_asic_png(png, asic_name, hostname):
                     device_data['mgmt_addr_v6'] = mgmt_prefix_v6
                 if d_type != None:
                     device_data['type'] = d_type
+                if slice_type != None:
+                    device_data['slice_type'] = slice_type
                 devices[name] = device_data
 
     return (neighbors, devices, port_speeds)
@@ -2137,6 +2145,9 @@ def parse_xml(filename, platform=None, port_config_file=None, asic_name=None, hw
     if cluster:
         results['DEVICE_METADATA']['localhost']['cluster'] = cluster
 
+    if current_device and 'slice_type' in current_device and current_device['slice_type']:
+        results['DEVICE_METADATA']['localhost']['slice_type'] = current_device['slice_type']
+
     if kube_data:
         results['KUBERNETES_MASTER'] = {
             'SERVER': {
@@ -2809,7 +2820,7 @@ def get_mux_cable_entries(ports, mux_cable_ports, active_active_ports, neighbors
 
 def parse_device_desc_xml(filename):
     root = ET.parse(filename).getroot()
-    (lo_prefix, lo_prefix_v6, mgmt_prefix, mgmt_prefix_v6, hostname, hwsku, d_type, _, _, _) = parse_device(root)
+    (lo_prefix, lo_prefix_v6, mgmt_prefix, mgmt_prefix_v6, hostname, hwsku, d_type, _, _, _, _) = parse_device(root)
 
     results = {}
     results['DEVICE_METADATA'] = {'localhost': {

src/sonic-config-engine/tests/multi_npu_data/sample-minigraph.xml

@@ -913,7 +913,7 @@
           <a:IPPrefix>::/0</a:IPPrefix>
         </AddressV6>
         <AssociatedClustersStr/>
-        <AssociatedSliceStr/>
+	<AssociatedSliceStr>AZNG_Production</AssociatedSliceStr>
         <AssociatedTagsStr/>
         <ClusterName/>
         <DeploymentId i:nil="true"/>
@@ -938,7 +938,7 @@
           <a:IPPrefix>::/0</a:IPPrefix>
         </AddressV6>
         <AssociatedClustersStr/>
-        <AssociatedSliceStr/>
+	<AssociatedSliceStr>AZNG_Production</AssociatedSliceStr>
         <AssociatedTagsStr/>
         <ClusterName/>
         <DeploymentId i:nil="true"/>
@@ -963,7 +963,7 @@
           <a:IPPrefix>::/0</a:IPPrefix>
         </AddressV6>
         <AssociatedClustersStr/>
-        <AssociatedSliceStr/>
+	<AssociatedSliceStr>AZNG_Production</AssociatedSliceStr>
         <AssociatedTagsStr/>
         <ClusterName/>
         <DeploymentId i:nil="true"/>

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

@@ -342,6 +342,8 @@ def test_device_asic_metadata(self):
             else:
                 self.assertEqual(output['localhost']['sub_role'], 'BackEnd')
             self.assertEqual(output['localhost']['deployment_id'], "1")
+            if asic != 3:
+                self.assertEqual(output['localhost']['slice_type'], "AZNG_Production")
 
     def test_global_asic_acl(self):
         argument = ["-m", self.sample_graph, "-p", self.sample_port_config, "--var-json", "ACL_TABLE"]