Implement an api call for computing the IDLE PC

Fix https://github.com/GNS3/gns3-gui/pull/2153

gns3server/controller/__init__.py

@@ -597,3 +597,24 @@ class Controller:
         if not hasattr(Controller, '_instance') or Controller._instance is None:
             Controller._instance = Controller()
         return Controller._instance
+
+    @asyncio.coroutine
+    def autoidlepc(self, compute_id, platform, image):
+        """
+        Compute and IDLE PC value for an image
+
+        :param compute_id: ID of the compute where the idlepc operation need to run
+        :param platform: Platform type
+        :param image: Image to use
+        """
+        compute = self.get_compute(compute_id)
+        for project in list(self._projects.values()):
+            if project.name == "AUTOIDLEPC":
+                yield from project.delete()
+                self.remove_project(project)
+        project = yield from self.add_project(name="AUTOIDLEPC")
+        node = yield from project.add_node(compute, "AUTOIDLEPC", str(uuid.uuid4()), node_type="dynamips", platform=platform, image=image, ram=512)
+        res = yield from node.dynamips_auto_idlepc()
+        yield from project.delete()
+        self.remove_project(project)
+        return res

gns3server/controller/compute.py

@@ -665,3 +665,4 @@ class Compute:
                     return (this_interface["ip_address"], other_interface["ip_address"])
 
         raise ValueError("No common subnet for compute {} and {}".format(self.name, other_compute.name))
+

gns3server/handlers/api/controller/compute_handler.py

@@ -154,3 +154,18 @@ class ComputeHandler:
         controller = Controller.instance()
         yield from controller.delete_compute(request.match_info["compute_id"])
         response.set_status(204)
+
+    @Route.post(
+        r"/computes/{compute_id}/autoidlepc",
+        parameters={
+            "compute_id": "Compute UUID"
+        },
+        status_codes={
+            200: "Idle PC computed",
+        },
+        description="Compute IDLE PC value")
+    def autoidlepc(request, response):
+        controller = Controller.instance()
+        res = yield from controller.autoidlepc(request.match_info["compute_id"], request.json["platform"], request.json["image"])
+        response.set_status(200)
+        response.json(res)

tests/controller/test_controller.py

@@ -517,3 +517,13 @@ def test_load_appliances(controller):
             assert qemu_uuid == appliance.id
         elif appliance.name == "Cloud":
             assert cloud_uuid == appliance.id
+
+
+def test_autoidlepc(controller, async_run):
+    controller._computes["local"] = AsyncioMagicMock()
+    node_mock = AsyncioMagicMock()
+    with asyncio_patch("gns3server.controller.Project.add_node", return_value=node_mock):
+        async_run(controller.autoidlepc("local", "c7200", "test.bin"))
+    assert node_mock.dynamips_auto_idlepc.called
+    assert len(controller.projects) == 0
+

tests/handlers/api/controller/test_compute.py

@@ -216,3 +216,28 @@ def test_compute_create_img(http_controller, controller):
     with asyncio_patch("gns3server.controller.compute.Compute.forward", return_value=[]) as mock:
         response = http_controller.post("/computes/my_compute/qemu/img", params, example=True)
         mock.assert_called_with("POST", "qemu", "img", data=unittest.mock.ANY)
+
+
+def test_compute_autoidlepc(http_controller, controller):
+
+    params = {
+        "compute_id": "my_compute_id",
+        "protocol": "http",
+        "host": "localhost",
+        "port": 84,
+        "user": "julien",
+        "password": "secure"
+    }
+    response = http_controller.post("/computes", params, example=False)
+
+    params = {
+        "platform": "c7200",
+        "image": "test.bin"
+    }
+    with asyncio_patch("gns3server.controller.Controller.autoidlepc", return_value={"idlepc": "0x606de20c"}) as mock:
+        response = http_controller.post("/computes/my_compute_id/autoidlepc", params, example=True)
+    assert mock.called
+    assert response.status == 200
+
+
+