Fix appliance properties lost when you create two node from template

gns3server/controller/appliance.py

@@ -15,6 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import copy
 import uuid
 
 
@@ -54,7 +55,7 @@ class Appliance:
 
     @property
     def data(self):
-        return self._data
+        return copy.deepcopy(self._data)
 
     @property
     def name(self):

gns3server/controller/appliance_template.py

@@ -15,6 +15,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import copy
 import uuid
 
 
@@ -43,4 +44,4 @@ class ApplianceTemplate:
         """
         Appliance data (a hash)
         """
-        return self._data
+        return copy.deepcopy(self._data)

gns3server/controller/project.py

@@ -325,11 +325,12 @@ class Project:
         Create a node from an appliance
         """
         try:
-            template = copy.copy(self.controller.appliances[appliance_id].data)
+            template = self.controller.appliances[appliance_id].data
         except KeyError:
             msg = "Appliance {} doesn't exist".format(appliance_id)
             log.error(msg)
             raise aiohttp.web.HTTPNotFound(text=msg)
+        print(template)
         template["x"] = x
         template["y"] = y
         node_type = template.pop("node_type")

tests/controller/test_project.py

@@ -193,7 +193,10 @@ def test_add_node_from_appliance(async_run, controller):
         "server": "local",
         "name": "Test",
         "default_name_format": "{name}-{0}",
-        "node_type": "vpcs"
+        "node_type": "vpcs",
+        "properties": {
+            "a": 1
+        }
 
     })
     controller._computes["local"] = compute
@@ -211,11 +214,22 @@ def test_add_node_from_appliance(async_run, controller):
     })
     compute.post.assert_any_call('/projects/{}/vpcs/nodes'.format(project.id),
                                  data={'node_id': node.id,
-                                       'name': 'Test-1'},
+                                       'name': 'Test-1',
+                                       'a': 1,
+                                       },
                                  timeout=120)
     assert compute in project._project_created_on_compute
     controller.notification.emit.assert_any_call("node.created", node.__json__())
 
+    # Make sure we can call twice the node creation
+    node = async_run(project.add_node_from_appliance("fakeid", x=13, y=12))
+    compute.post.assert_any_call('/projects/{}/vpcs/nodes'.format(project.id),
+                                 data={'node_id': node.id,
+                                       'name': 'Test-2',
+                                       'a': 1
+                                       },
+                                 timeout=120)
+
 
 def test_create_iou_on_multiple_node(async_run, controller):
     """