Duplicate IOU

Ref https://github.com/GNS3/gns3-gui/issues/1065

gns3server/handlers/api/compute/iou_handler.py

@@ -133,6 +133,26 @@ class IOUHandler:
         yield from IOU.instance().delete_node(request.match_info["node_id"])
         response.set_status(204)
 
+    @Route.post(
+        r"/projects/{project_id}/iou/nodes/{node_id}/duplicate",
+        parameters={
+            "project_id": "Project UUID",
+            "node_id": "Node UUID"
+        },
+        status_codes={
+            201: "Instance duplicated",
+            404: "Instance doesn't exist"
+        },
+        description="Duplicate a IOU instance")
+    def duplicate(request, response):
+
+        new_node = yield from IOU.instance().duplicate_node(
+            request.match_info["node_id"],
+            request.json["destination_node_id"]
+        )
+        response.set_status(201)
+        response.json(new_node)
+
     @Route.post(
         r"/projects/{project_id}/iou/nodes/{node_id}/start",
         parameters={

tests/handlers/api/compute/test_iou.py

@@ -308,3 +308,17 @@ def test_image_vm(http_compute, tmpdir):
     with open(str(tmpdir / "test2.md5sum")) as f:
         checksum = f.read()
         assert checksum == "033bd94b1168d7e4f0d644c3c95e35bf"
+
+
+def test_iou_duplicate(http_compute, vm):
+    with asyncio_patch("gns3server.compute.iou.IOU.duplicate_node", return_value=True) as mock:
+        response = http_compute.post(
+            "/projects/{project_id}/iou/nodes/{node_id}/duplicate".format(
+                project_id=vm["project_id"],
+                node_id=vm["node_id"]),
+            body={
+                "destination_node_id": str(uuid.uuid4())
+            },
+            example=True)
+        assert mock.called
+        assert response.status == 201