exposes rpc method to plugin (#35507)

The rpc method should be exposed to the modules over the connection rpc
mechanism.  This fix will expose the rpc method to call generalized rpc
endpoints on remote devices

lib/ansible/plugins/netconf/__init__.py

@@ -24,10 +24,11 @@ from functools import wraps
 
 from ansible.errors import AnsibleError
 from ansible.module_utils.six import with_metaclass
+from ansible.module_utils._text import to_bytes
 
 try:
     from ncclient.operations import RPCError
-    from ncclient.xml_ import to_xml
+    from ncclient.xml_ import to_xml, to_ele
 except ImportError:
     raise AnsibleError("ncclient is not installed")
 
@@ -96,6 +97,16 @@ class NetconfBase(with_metaclass(ABCMeta, object)):
         self._connection = connection
         self.m = self._connection._manager
 
+    @ensure_connected
+    def rpc(self, name):
+        """RPC to be execute on remote device
+           :name: Name of rpc in string format"""
+        try:
+            obj = to_ele(to_bytes(name, errors='surrogate_or_strict'))
+            return self.m.rpc(obj).data_xml
+        except RPCError as exc:
+            raise Exception(to_xml(exc.xml))
+
     @ensure_connected
     def get_config(self, *args, **kwargs):
         """Retrieve all or part of a specified configuration.

lib/ansible/plugins/netconf/junos.py

@@ -63,11 +63,7 @@ class Netconf(NetconfBase):
     def execute_rpc(self, name):
         """RPC to be execute on remote device
            :name: Name of rpc in string format"""
-        try:
-            obj = to_ele(to_bytes(name, errors='surrogate_or_strict'))
-            return self.m.rpc(obj).data_xml
-        except RPCError as exc:
-            raise Exception(to_xml(exc.xml))
+        return self.rpc(name)
 
     @ensure_connected
     def load_configuration(self, *args, **kwargs):