Suspend for VPCS == stop

Fix #1465

gns3server/controller/compute.py

@@ -452,7 +452,7 @@ class Compute:
             elif response.status == 403:
                 raise aiohttp.web.HTTPForbidden(text=msg)
             elif response.status == 404:
-                raise aiohttp.web.HTTPNotFound(text=msg)
+                raise aiohttp.web.HTTPNotFound(text="{} {} not found".format(method, path))
             elif response.status == 409:
                 try:
                     raise ComputeConflict(json.loads(body))

gns3server/handlers/api/compute/vpcs_handler.py

@@ -159,6 +159,25 @@ class VPCSHandler:
         yield from vm.stop()
         response.set_status(204)
 
+    @Route.post(
+        r"/projects/{project_id}/vpcs/nodes/{node_id}/suspend",
+        parameters={
+            "project_id": "Project UUID",
+            "node_id": "Node UUID"
+        },
+        status_codes={
+            204: "Instance stopped",
+            400: "Invalid request",
+            404: "Instance doesn't exist"
+        },
+        description="Suspend a VPCS instance (stop it)")
+    def stop(request, response):
+
+        vpcs_manager = VPCS.instance()
+        vm = vpcs_manager.get_node(request.match_info["node_id"], project_id=request.match_info["project_id"])
+        yield from vm.stop()
+        response.set_status(204)
+
     @Route.post(
         r"/projects/{project_id}/vpcs/nodes/{node_id}/reload",
         parameters={