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