Support to duplicate an appliance.

gns3server/controller/__init__.py

@@ -24,6 +24,7 @@ import shutil
 import asyncio
 import aiohttp
 import jsonschema
+import copy
 
 from ..config import Config
 from .project import Project
@@ -181,6 +182,20 @@ class Controller:
         self.save()
         self.notification.controller_emit("appliance.deleted", appliance.__json__())
 
+    def duplicate_appliance(self, appliance_id):
+        """
+        Duplicates an appliance.
+
+        :param appliance_id: appliance identifier
+        """
+
+        appliance = self.get_appliance(appliance_id)
+        if appliance.builtin:
+            raise aiohttp.web.HTTPConflict(text="Appliance ID {} cannot be duplicated because it is a builtin".format(appliance_id))
+        appliance_settings = copy.deepcopy(appliance.settings)
+        del appliance_settings["appliance_id"]
+        return self.add_appliance(appliance_settings)
+
     def load_appliances(self):
 
         #self._appliances = {}

gns3server/handlers/api/controller/appliance_handler.py

@@ -115,7 +115,7 @@ class ApplianceHandler:
     @Route.delete(
         r"/appliances/{appliance_id}",
         parameters={
-            "appliance_id": "Node UUID"
+            "appliance_id": "appliance UUID"
         },
         status_codes={
             204: "Appliance deleted",
@@ -140,6 +140,25 @@ class ApplianceHandler:
         controller = Controller.instance()
         response.json([c for c in controller.appliances.values()])
 
+    @Route.post(
+        r"/appliances/{appliance_id}/duplicate",
+        parameters={
+            "appliance_id": "Appliance UUID"
+        },
+        status_codes={
+            201: "Appliance duplicated",
+            400: "Invalid request",
+            404: "Appliance doesn't exist"
+        },
+        description="Duplicate an appliance",
+        output=APPLIANCE_OBJECT_SCHEMA)
+    async def duplicate(request, response):
+
+        controller = Controller.instance()
+        appliance = controller.duplicate_appliance(request.match_info["appliance_id"])
+        response.set_status(201)
+        response.json(appliance)
+
     @Route.post(
         r"/projects/{project_id}/appliances/{appliance_id}",
         description="Create a node from an appliance",