infamy: Set hostname from logical topology

If no hostname is specified, set it to the dut-name in
logical topology

test/infamy/netconf.py

@@ -16,7 +16,7 @@ import lxml
 import netconf_client.connect
 import netconf_client.ncclient
 import infamy.iface as iface
-from infamy.transport import Transport
+from infamy.transport import Transport,infer_put_dict
 from netconf_client.error import RpcError
 from . import env
 
@@ -315,6 +315,7 @@ class Device(Transport):
 
     def put_config_dicts(self, models):
         config = ""
+        infer_put_dict(self.name, models)
 
         for model in models.keys():
             mod = self.ly.get_module(model)

test/infamy/restconf.py

@@ -10,7 +10,7 @@ import time
 from requests.auth import HTTPBasicAuth
 from urllib3.exceptions import InsecureRequestWarning
 from dataclasses import dataclass
-from infamy.transport import Transport
+from infamy.transport import Transport, infer_put_dict
 from . import env
 
 # We know we have a self-signed certificate, silence warning about it
@@ -263,6 +263,7 @@ class Device(Transport):
             return {container: v}
 
     def put_config_dicts(self, models):
+        infer_put_dict(self.name, models)
         running = self.get_running()
 
         for model in models.keys():

test/infamy/transport.py

@@ -1,6 +1,14 @@
 from abc import ABC, abstractmethod
 from infamy.neigh import ll6ping
 
+def infer_put_dict(name, models):
+    if not models.get("ietf-system"):
+        models["ietf-system"] = { "system": { "hostname": name} }
+    else:
+        if not models["ietf-system"].get("system"):
+            models["ieft-system"]["system"] = {}
+        if not models["ietf-system"]["system"].get("hostname"):
+            models["ietf-system"]["system"]["hostname"] = name
 
 class Transport(ABC):
     """Common functions for NETCONF/RESTCONF"""