#!/usr/bin/env python # # Copyright (C) 2016 GNS3 Technologies Inc. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . import pytest import asyncio import aiohttp from unittest.mock import MagicMock from tests.utils import AsyncioMagicMock from gns3server.controller.project import Project from gns3server.controller.udp_link import UDPLink from gns3server.controller.ports.ethernet_port import EthernetPort from gns3server.controller.node import Node @pytest.fixture def project(controller): return Project(controller=controller, name="Test") def test_create(async_run, project): compute1 = MagicMock() compute2 = MagicMock() node1 = Node(project, compute1, "node1", node_type="vpcs") node1._ports = [EthernetPort("E0", 0, 0, 4)] node2 = Node(project, compute2, "node2", node_type="vpcs") node2._ports = [EthernetPort("E0", 0, 3, 1)] @asyncio.coroutine def subnet_callback(compute2): """ Fake subnet callback """ return ("192.168.1.1", "192.168.1.2") compute1.get_ip_on_same_subnet.side_effect = subnet_callback link = UDPLink(project) async_run(link.add_node(node1, 0, 4)) async_run(link.update_filters({"latency": [10]})) @asyncio.coroutine def compute1_callback(path, data={}, **kwargs): """ Fake server """ if "/ports/udp" in path: response = MagicMock() response.json = {"udp_port": 1024} return response @asyncio.coroutine def compute2_callback(path, data={}, **kwargs): """ Fake server """ if "/ports/udp" in path: response = MagicMock() response.json = {"udp_port": 2048} return response compute1.post.side_effect = compute1_callback compute1.host = "example.com" compute2.post.side_effect = compute2_callback compute2.host = "example.org" async_run(link.add_node(node2, 3, 1)) compute1.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/0/ports/4/nio".format(project.id, node1.id), data={ "lport": 1024, "rhost": "192.168.1.2", "rport": 2048, "type": "nio_udp", "filters": {"latency": [10]} }, timeout=120) compute2.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/3/ports/1/nio".format(project.id, node2.id), data={ "lport": 2048, "rhost": "192.168.1.1", "rport": 1024, "type": "nio_udp", "filters": {} }, timeout=120) def test_create_one_side_failure(async_run, project): compute1 = MagicMock() compute2 = MagicMock() node1 = Node(project, compute1, "node1", node_type="vpcs") node1._ports = [EthernetPort("E0", 0, 0, 4)] node2 = Node(project, compute2, "node2", node_type="vpcs") node2._ports = [EthernetPort("E0", 0, 3, 1)] @asyncio.coroutine def subnet_callback(compute2): """ Fake subnet callback """ return ("192.168.1.1", "192.168.1.2") compute1.get_ip_on_same_subnet.side_effect = subnet_callback link = UDPLink(project) async_run(link.add_node(node1, 0, 4)) @asyncio.coroutine def compute1_callback(path, data={}, **kwargs): """ Fake server """ if "/ports/udp" in path: response = MagicMock() response.json = {"udp_port": 1024} return response @asyncio.coroutine def compute2_callback(path, data={}, **kwargs): """ Fake server """ if "/ports/udp" in path: response = MagicMock() response.json = {"udp_port": 2048} return response elif "/adapters" in path: raise aiohttp.web.HTTPConflict(text="Error when creating the NIO") compute1.post.side_effect = compute1_callback compute1.host = "example.com" compute2.post.side_effect = compute2_callback compute2.host = "example.org" with pytest.raises(aiohttp.web.HTTPConflict): async_run(link.add_node(node2, 3, 1)) compute1.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/0/ports/4/nio".format(project.id, node1.id), data={ "lport": 1024, "rhost": "192.168.1.2", "rport": 2048, "type": "nio_udp", "filters": {} }, timeout=120) compute2.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/3/ports/1/nio".format(project.id, node2.id), data={ "lport": 2048, "rhost": "192.168.1.1", "rport": 1024, "type": "nio_udp", "filters": {} }, timeout=120) # The link creation has failed we rollback the nio compute1.delete.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/0/ports/4/nio".format(project.id, node1.id), timeout=120) def test_delete(async_run, project): compute1 = MagicMock() compute2 = MagicMock() node1 = Node(project, compute1, "node1", node_type="vpcs") node1._ports = [EthernetPort("E0", 0, 0, 4)] node2 = Node(project, compute2, "node2", node_type="vpcs") node2._ports = [EthernetPort("E0", 0, 3, 1)] link = UDPLink(project) link.create = AsyncioMagicMock() async_run(link.add_node(node1, 0, 4)) async_run(link.add_node(node2, 3, 1)) async_run(link.delete()) compute1.delete.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/0/ports/4/nio".format(project.id, node1.id), timeout=120) compute2.delete.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/3/ports/1/nio".format(project.id, node2.id), timeout=120) def test_choose_capture_side(async_run, project): """ The link capture should run on the optimal node """ compute1 = MagicMock() compute2 = MagicMock() compute2.id = "local" # Capture should run on the local node node_vpcs = Node(project, compute1, "node1", node_type="vpcs") node_vpcs._status = "started" node_vpcs._ports = [EthernetPort("E0", 0, 0, 4)] node_iou = Node(project, compute2, "node2", node_type="iou") node_iou._status = "started" node_iou._ports = [EthernetPort("E0", 0, 3, 1)] link = UDPLink(project) link.create = AsyncioMagicMock() async_run(link.add_node(node_vpcs, 0, 4)) async_run(link.add_node(node_iou, 3, 1)) assert link._choose_capture_side()["node"] == node_iou # Capture should choose always running node node_iou = Node(project, compute1, "node5", node_type="iou") node_iou._status = "started" node_iou._ports = [EthernetPort("E0", 0, 0, 4)] node_switch = Node(project, compute1, "node6", node_type="ethernet_switch") node_switch._status = "started" node_switch._ports = [EthernetPort("E0", 0, 3, 1)] link = UDPLink(project) link.create = AsyncioMagicMock() async_run(link.add_node(node_iou, 0, 4)) async_run(link.add_node(node_switch, 3, 1)) assert link._choose_capture_side()["node"] == node_switch # Capture should raise error if node are not started node_vpcs = Node(project, compute1, "node1", node_type="vpcs") node_vpcs._ports = [EthernetPort("E0", 0, 0, 4)] node_iou = Node(project, compute2, "node2", node_type="iou") node_iou._ports = [EthernetPort("E0", 0, 3, 1)] link = UDPLink(project) link.create = AsyncioMagicMock() async_run(link.add_node(node_vpcs, 0, 4)) async_run(link.add_node(node_iou, 3, 1)) with pytest.raises(aiohttp.web.HTTPConflict): link._choose_capture_side() # If you start a node you can capture on it node_vpcs._status = "started" assert link._choose_capture_side()["node"] == node_vpcs def test_capture(async_run, project): compute1 = MagicMock() node_vpcs = Node(project, compute1, "V1", node_type="vpcs") node_vpcs._status = "started" node_vpcs._ports = [EthernetPort("E0", 0, 0, 4)] node_iou = Node(project, compute1, "I1", node_type="iou") node_iou._ports = [EthernetPort("E0", 0, 3, 1)] link = UDPLink(project) link.create = AsyncioMagicMock() async_run(link.add_node(node_vpcs, 0, 4)) async_run(link.add_node(node_iou, 3, 1)) capture = async_run(link.start_capture()) assert link.capturing compute1.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/0/ports/4/start_capture".format(project.id, node_vpcs.id), data={ "capture_file_name": link.default_capture_file_name(), "data_link_type": "DLT_EN10MB" }) capture = async_run(link.stop_capture()) assert link.capturing is False compute1.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/0/ports/4/stop_capture".format(project.id, node_vpcs.id)) def test_read_pcap_from_source(project, async_run): compute1 = MagicMock() node_vpcs = Node(project, compute1, "V1", node_type="vpcs") node_vpcs._status = "started" node_vpcs._ports = [EthernetPort("E0", 0, 0, 4)] node_iou = Node(project, compute1, "I1", node_type="iou") node_iou._ports = [EthernetPort("E0", 0, 3, 1)] link = UDPLink(project) link.create = AsyncioMagicMock() async_run(link.add_node(node_vpcs, 0, 4)) async_run(link.add_node(node_iou, 3, 1)) capture = async_run(link.start_capture()) assert link._capture_node is not None async_run(link.read_pcap_from_source()) link._capture_node["node"].compute.stream_file.assert_called_with(project, "tmp/captures/" + link._capture_file_name) def test_node_updated(project, async_run): """ If a node stop when capturing we stop the capture """ compute1 = MagicMock() node_vpcs = Node(project, compute1, "V1", node_type="vpcs") node_vpcs._status = "started" link = UDPLink(project) link._capture_node = {"node": node_vpcs} link.stop_capture = AsyncioMagicMock() async_run(link.node_updated(node_vpcs)) assert not link.stop_capture.called node_vpcs._status = "stopped" async_run(link.node_updated(node_vpcs)) assert link.stop_capture.called def test_update(async_run, project): compute1 = MagicMock() compute2 = MagicMock() node1 = Node(project, compute1, "node1", node_type="vpcs") node1._ports = [EthernetPort("E0", 0, 0, 4)] node2 = Node(project, compute2, "node2", node_type="vpcs") node2._ports = [EthernetPort("E0", 0, 3, 1)] @asyncio.coroutine def subnet_callback(compute2): """ Fake subnet callback """ return ("192.168.1.1", "192.168.1.2") compute1.get_ip_on_same_subnet.side_effect = subnet_callback link = UDPLink(project) async_run(link.add_node(node1, 0, 4)) async_run(link.update_filters({"latency": [10]})) @asyncio.coroutine def compute1_callback(path, data={}, **kwargs): """ Fake server """ if "/ports/udp" in path: response = MagicMock() response.json = {"udp_port": 1024} return response @asyncio.coroutine def compute2_callback(path, data={}, **kwargs): """ Fake server """ if "/ports/udp" in path: response = MagicMock() response.json = {"udp_port": 2048} return response compute1.post.side_effect = compute1_callback compute1.host = "example.com" compute2.post.side_effect = compute2_callback compute2.host = "example.org" async_run(link.add_node(node2, 3, 1)) compute1.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/0/ports/4/nio".format(project.id, node1.id), data={ "lport": 1024, "rhost": "192.168.1.2", "rport": 2048, "type": "nio_udp", "filters": {"latency": [10]} }, timeout=120) compute2.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/3/ports/1/nio".format(project.id, node2.id), data={ "lport": 2048, "rhost": "192.168.1.1", "rport": 1024, "type": "nio_udp", "filters": {} }, timeout=120) assert link.created async_run(link.update_filters({"drop": [5], "bpf": ["icmp[icmptype] == 8"]})) compute1.put.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/0/ports/4/nio".format(project.id, node1.id), data={ "lport": 1024, "rhost": "192.168.1.2", "rport": 2048, "type": "nio_udp", "filters": { "drop": [5], "bpf": ["icmp[icmptype] == 8"] } }, timeout=120) def test_update_suspend(async_run, project): compute1 = MagicMock() compute2 = MagicMock() node1 = Node(project, compute1, "node1", node_type="vpcs") node1._ports = [EthernetPort("E0", 0, 0, 4)] node2 = Node(project, compute2, "node2", node_type="vpcs") node2._ports = [EthernetPort("E0", 0, 3, 1)] @asyncio.coroutine def subnet_callback(compute2): """ Fake subnet callback """ return ("192.168.1.1", "192.168.1.2") compute1.get_ip_on_same_subnet.side_effect = subnet_callback link = UDPLink(project) async_run(link.add_node(node1, 0, 4)) async_run(link.update_filters({"latency": [10]})) async_run(link.update_suspend(True)) @asyncio.coroutine def compute1_callback(path, data={}, **kwargs): """ Fake server """ if "/ports/udp" in path: response = MagicMock() response.json = {"udp_port": 1024} return response @asyncio.coroutine def compute2_callback(path, data={}, **kwargs): """ Fake server """ if "/ports/udp" in path: response = MagicMock() response.json = {"udp_port": 2048} return response compute1.post.side_effect = compute1_callback compute1.host = "example.com" compute2.post.side_effect = compute2_callback compute2.host = "example.org" async_run(link.add_node(node2, 3, 1)) compute1.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/0/ports/4/nio".format(project.id, node1.id), data={ "lport": 1024, "rhost": "192.168.1.2", "rport": 2048, "type": "nio_udp", "filters": {"frequency_drop": [-1]} }, timeout=120) compute2.post.assert_any_call("/projects/{}/vpcs/nodes/{}/adapters/3/ports/1/nio".format(project.id, node2.id), data={ "lport": 2048, "rhost": "192.168.1.1", "rport": 1024, "type": "nio_udp", "filters": {} }, timeout=120)