fix: More tweaks to OpenNebula driver

src/DIRAC/Resources/Computing/CloudProviders/OpenNebula.py

@@ -103,13 +103,17 @@ def __new__(cls, *args, **kwargs):
         return super(NodeDriver, cls).__new__(cls)
 
     def create_node(self, name, size, image=None, network=None, context=None,
-                    ex_onhold=False, ex_tmpl_network=True):
+                    ex_onhold=False, ex_tmpl_network=True, **kwargs):
         tmpl_id = None
         if isinstance(size, int):
             tmpl_id = size
         elif isinstance(size, NodeSize):
             tmpl_id = int(size.id)
 
+        # Allow use of ex_userdata in place of context
+        if context is None and "ex_userdata" in kwargs:
+            context = kwargs["ex_userdata"]
+
         if tmpl_id is not None:
             return self._create_vm_template(name, tmpl_id, context, ex_onhold,
                                             ex_tmpl_network)
@@ -169,6 +173,12 @@ def ex_get_node(self, node_id):
         res = self.connection.request("one.vm.info", node_id)
         return self._to_node(res.object)
 
+    def ex_get_node_details(self, node_name):
+        for node in self.list_nodes():
+            if node.name == node_name:
+                return self.ex_get_node(node.id)
+        return None
+
     def ex_node_action(self, action, node):
         node_id = None
         if isinstance(node, int):