Add yang_config_validation to minigraph.py (sonic-net#12504)

Author: isabelmsft

src/sonic-config-engine/minigraph.py

@@ -1450,7 +1450,8 @@ def parse_xml(filename, platform=None, port_config_file=None, asic_name=None, hw
         'hostname': hostname,
         'hwsku': hwsku,
         'type': device_type,
-        'synchronous_mode': 'enable'
+        'synchronous_mode': 'enable',
+        'yang_config_validation': 'disable'
         }
     }
 

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

@@ -81,7 +81,8 @@ def test_device_metadata(self):
             'hostname': 'sonic',
             'hwsku': 'Force10-S6000',
             'platform': 'x86_64-kvm_x86_64-r0',
-            'type': 'LeafRouter'
+            'type': 'LeafRouter',
+            'yang_config_validation': 'disable'
         })
 
 

src/sonic-config-engine/tests/test_yang_data.json

@@ -161,7 +161,8 @@
                 "hostname": "sonic",
                 "hwsku": "Force10-S6000",
                 "type": "LeafRouter",
-                "platform": "x86_64-kvm_x86_64-r0"
+                "platform": "x86_64-kvm_x86_64-r0",
+                "yang_config_validation": "disable"
             }
         }
     },
@@ -378,4 +379,4 @@
             }
         }
     }
-}
+}